Sutro Biopharma, Inc. STRO

15.98 0.27 1.72% as of 25 Sep
Market cap
$260.5M
P/E
0.0×
Insider Buys alert about insiders buying in the last 12 month

Insider Decisions

Total buys 0.09
in millions of $
Nov 25 Feb 26 May 26 Aug 26
Buy 5 — — — — — — — — — — —
Sell — — — — — — — — — — — —
Insider Ownership 13.29%

Capital & Financial Ratios

Market Cap 260.49
Revenue 45.70
Net Income (180.64)
Free Cash Flow (145.62)
Net Debt (164.35)
Current Ratio 3.32
Debt/Equity 0.00
P/E ratio 0.00
P/S ratio 5.79
P/B ratio 0.00
Past 5Y EPS Growth (4.05%)
This Y EPS Growth 64.30%
Next Y EPS Growth 20.41%
Next 5Y EPS Growth 34.95%
in millions of $

Dividends

Payout Ratio 0.00
Annual Dividend Rate —
Annual Dividend Yield —
total individual payouts
2023 Powerpack
2022 Powerpack
2021 Powerpack
2020 Powerpack
2019 Powerpack
2017 Powerpack
predictions in italic, special payouts not included in total or ratios

Assets vs Liabilities

2023 2024 2025 Q'26
Cash 376 317 141 164
Receivables 36 9 4 6
Inventory — — — —
Other — — — —
422 343 151 176
2023 2024 2025 Q'26
Payables 9 10 8 3
ST’ Debt 4 — — —
Other — — — —
94 132 75 53
in millions of $

Compound Annual Growth

10y 5y 3y
Sales — 19.12% 14.78%
Cash Flow — 0.00% 0.00%
Earnings — 0.00% 0.00%
Book Value — 0.00% 0.00%

Revenue

Mar Jun Sep Dec Year
’26 15 10 — — —
’25 17 64 10 12 102
’24 13 26 9 15 62
’23 13 10 17 114 154
’22 6 28 25 9 68
’21 15 28 9 11 62
’20 7 9 18 8 43
in millions of $ · fiscal quarters ending in the months shown

Operating Cash Flow

Mar Jun Sep Dec Year
’26 (42) (38) — — —
’25 (68) (45) (38) (26) (177)
’24 (65) 9 (65) (72) (192)
’23 (61) (31) (34) 14 (112)
’22 (35) (3) 66 (24) 4
’21 (30) (5) (24) (22) (82)
’20 (19) (12) (18) (19) (68)
in millions of $ · fiscal quarters ending in the months shown

Free Cash Flow

Mar Jun Sep Dec Year
’26 (42) (38) — — —
’25 (69) (45) (38) (27) (179)
’24 (65) 9 (65) (73) (195)
’23 (62) (33) (34) 13 (116)
’22 (37) (5) 65 (27) (4)
’21 (33) (11) (29) (24) (97)
’20 (19) (14) (21) (21) (75)
in millions of $ · fiscal quarters ending in the months shown

EPS

Mar Jun Sep Dec Year
’26 (2.94) (2.33) — — —
’25 (9.10) (1.40) (6.70) (5.35) (22.49)
’24 (9.50) (5.90) (5.90) (8.90) (29.60)
’23 (8.50) (6.40) (8.10) 5.20 (17.80)
’22 (8.40) (5.50) (3.70) (6.10) (23.50)
’21 (6.60) (1.30) (6.70) (8.30) (22.90)
’20 (8.40) 9.40 4.50 (14.80) (9.90)
fiscal quarters ending in the months shown

Target Price Range

Analyst price targets

Recommendation Rating

1.3
1Buy 2 3Hold 4 5Sell
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028
— — 85.00 76.90 60.00 140.30 33.30 20.10 17.00 5.20

Analyst estimates 2026–2028

Powerpack
Low Price
— — 159.00 124.90 254.90 283.00 156.70 87.20 61.30 21.50
High Price
— 128 147 168 191 224 278 324 310 137
Employees
0 0 0 0 0 0 0 0 0 1
Revenue/Emp
60 52 38 43 43 62 68 154 62 102
Revenue
100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00%
Gross Margin
2 (20) (35) (56) (32) (106) (117) (89) (225) (191)
EBT
2.85% (38.05%) (91.93%) (130.44%) (74.96%) (170.55%) (172.20%) (57.63%) (362.81%) (186.55%)
EBT Margin
2 (20) (35) (56) (32) (106) (119) (107) (227) (191)
Net Income
6 5 4 3 5 8 5 (2) (3) 4
Depreciation
1,464.00 1,154.93 66.71 18.61 13.12 13.42 13.36 25.55 8.02 12.06
Revenue/Sh
41.72 (439.52) (61.30) (24.30) (9.90) (22.90) (23.50) (17.80) (29.60) (22.49)
Earnings/Sh
(322.38) (827.52) 22.02 (28.32) (20.82) (17.71) 0.70 (18.55) (24.76) (20.86)
Cash Flow/Sh
(107.30) (74.02) (2.70) (1.52) (2.19) (3.32) (1.55) (0.72) (0.40) (0.20)
Capex/Sh
(429.68) (901.54) 19.32 (29.84) (23.00) (21.03) (0.85) (19.27) (25.16) (21.06)
Free CF/Sh
284.83 (145.00) 228.41 42.59 101.94 54.76 42.78 24.87 5.76 (15.59)
Book Value/Sh
0 0 1 2 3 5 5 6 8 8
Shares
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
PE Ratio
0.00 0.00 1.35 5.91 16.55 11.09 6.00 1.79 2.29 0.96
PS Ratio
0.00 0.00 0.39 2.58 2.13 2.72 1.87 1.84 3.19 0.00
PB Ratio
0.00 0.00 (3.59) 3.38 8.53 8.30 1.31 (0.47) (2.35) (0.14)
EV/Sales
0.58 0.58 (12.39) (2.11) (4.87) (5.29) (20.62) 0.62 0.75 0.08
EV/FCF
(13) (37) 13 (65) (68) (82) 4 (112) (192) (177)
Op' Cash Flow
(4) (3) (2) (3) (7) (15) (8) (4) (3) (2)
Capex
(18) (40) 11 (69) (75) (97) (4) (116) (195) (179)
FCF
0 (6) 174 96 349 177 287 328 211 76
Working Cap'
1 15 15 10 25 25 16 4 — —
Total Debt
(46) (7) (190) (108) (344) (173) (318) (372) (317) (141)
Net Debt
12 (6) 132 98 332 253 217 150 45 (132)
Sh' Equity
3.09% (35.78%) (26.76%) (29.38%) (11.67%) (28.70%) (31.86%) (24.34%) (53.02%) (68.12%)
ROA
0.00% 0.00% 0.00% 0.00% 0.00% (77.22%) 0.00% 0.00% 0.00% 0.00%
ROIC
(1.70%) 19.70% (313.40%) (48.62%) (14.95%) (36.11%) (50.77%) (58.25%) (234.19%) 435.02%
ROE
predictions in italic, sparklines do not include predictions

All 10 years →

Fiscal years to Dec 2025 · latest quarter Jun 2026

Sutro Biopharma, Inc. peers in Biotechnology

All 616 Biotechnology stocks →

Sutro Biopharma, Inc. (STRO) key facts

  • Sutro Biopharma, Inc. (STRO) is a Biotechnology company in the Healthcare sector, listed on Nasdaq.
  • Sutro Biopharma, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $102.5 million, up 65.2% from fiscal 2024.
  • As of September 25, 2026, STRO traded at $15.98, a market capitalization of $260.5 million.
  • Return on equity was 435.0% and debt-to-equity 0.00.

Source: company filings (standardised) and stockrow calculations.

Sutro Biopharma, Inc. (STRO) Latest News

News by impact score

Fine-tune

12 Aug

3

STRO shares fell 15% in a sharp selloff driven by unspecified market factors. A 15% stock drop reflects short-term negative sentiment without evidence of fundamental long-term changes.

17 May

3

Analysts set Sutro Biopharma price target at US$47.10 following recent results. Analyst price targets following results moderately influence short-term investor sentiment and valuation views.

14 May

3

Sutro Biopharma reported first quarter 2026 financial results and business highlights. Quarterly financial results and business highlights moderately influence financial performance and investor sentiment.

1 May

3

Citizens raised its price target on Sutro Biopharma (STRO) due to the company's pipeline and lead program. Analyst price target increase underscores pipeline strengths, likely generating moderate positive impact on investor sentiment and stock performance.

19 Apr

3

Sutro Biopharma presented promising preclinical data across its pipeline of next-generation single and dual-payload ADC programs at AACR 2026. Promising preclinical ADC data bolsters pipeline credibility and could moderately influence investor sentiment and competitive positioning.

23 Mar

4

Sutro Biopharma reported full year 2025 financial results and business highlights. Full-year financial results and business highlights signal key operational progress and financial health, significantly impacting investor sentiment and stock trajectory.

11 Feb

3

Sutro Biopharma, Inc. (STRO) experienced an 11.9% surge in its stock price, raising questions about the potential for further gains. The increase is attributed to positive market sentiment and developments surrounding the company's pipeline and strategic initiatives. Investors are closely monitoring the situation to assess whether this momentum can be sustained in the coming weeks. The stock surge indicates a moderately noticeable influence on market sentiment and investor interest, but it may not fundamentally alter the company's trajectory.

10 Feb

3

Sutro Biopharma, Inc. has announced the pricing of an underwritten public offering of $110.0 million. The offering consists of shares of common stock, with the company intending to use the proceeds for general corporate purposes, including advancing its pipeline of therapeutics. The offering is expected to close on a specified date, subject to customary closing conditions. The capital raised could support product development and operational needs, influencing financial performance moderately.

3

Sutro Biopharma, Inc. (NASDAQ:STRO) has garnered significant interest from institutional investors, who collectively hold a substantial 41% stake in the company. This level of institutional ownership indicates confidence in Sutro's potential and may influence its market performance moving forward. Institutional ownership at 41% suggests a moderately noticeable influence on investor sentiment and potential market performance.

22 Jan

3

Sutro Biopharma, Inc. (STRO) experienced a 5.9% increase in stock price, raising questions about the potential for further gains. Investors are analyzing the company's recent developments and market conditions to assess future performance. The stock's rise indicates moderate investor interest, but further developments are needed to significantly impact the company's trajectory.

7 Jan

3

Sutro Biopharma, Inc. will present at the 44th Annual J.P. Morgan Healthcare Conference, highlighting its latest developments and strategic initiatives in the biopharmaceutical sector. The conference is a key event for industry leaders and investors, providing insights into the company's future direction and potential growth opportunities. Participation in a major healthcare conference can enhance visibility and investor interest, potentially influencing market sentiment.

31 Dec

3

Sutro Biopharma, Inc. is facing financial challenges and must manage its cash reserves carefully to sustain operations and support ongoing projects. The company is under pressure to optimize spending while navigating a competitive landscape in the biopharmaceutical sector. Investors are advised to monitor Sutro's financial strategies closely as they could significantly influence future performance. Financial management and cash spending will moderately influence Sutro's operational capabilities and market perception.

17 Dec

3

Sutro Biopharma, Inc. has regained compliance with Nasdaq's minimum bid price requirement after its stock price rose above the $1 threshold for 10 consecutive trading days. This development follows a period of non-compliance that could have led to delisting. The company expressed satisfaction with this outcome and remains focused on advancing its clinical programs and business objectives. Regaining compliance with Nasdaq's requirements helps stabilize investor confidence but does not fundamentally change the company's operational trajectory.

3 Dec

4

Sutro Biopharma, Inc. has announced the dosing of the first cohort of patients in a Phase 1 clinical trial for STRO-004, a next-generation antibody-drug conjugate targeting tissue factor in solid tumors that express this protein. The trial aims to evaluate the safety, tolerability, and preliminary efficacy of STRO-004 in patients with TF-expressing solid tumors, marking a significant step in the development of innovative cancer therapies. The initiation of a Phase 1 trial for a novel cancer therapy could significantly influence Sutro Biopharma's future performance and investor sentiment.

1 Dec

3

Sutro Biopharma, Inc. announced a 1-for-10 reverse stock split, effective on October 30, 2023. This decision aims to increase the per-share trading price of its common stock to meet the minimum bid price requirement for continued listing on the Nasdaq. The reverse split will reduce the number of outstanding shares, but the overall value of shareholders' investments will remain unchanged. Sutro's management believes this move will enhance the company's marketability and attract institutional investors. The reverse stock split may influence market sentiment and trading dynamics but does not fundamentally alter the company's operations or long-term strategy.

12 Nov

4

Sutro Biopharma, Inc. showcased its next-generation antibody-drug conjugate (ADC) innovations during a virtual R&D Day, highlighting advancements in its proprietary technology platform. The company emphasized its commitment to developing targeted therapies for cancer treatment, presenting data on its lead candidates and future pipeline. Sutro's innovative approach aims to enhance the efficacy and safety of ADCs, positioning the company as a key player in the oncology space. The presentation of next-generation ADC innovations and pipeline advancements is likely to significantly impact Sutro's competitive positioning and investor sentiment.

6 Nov

3

Sutro Biopharma, Inc. (STRO) reported a loss for Q3 but exceeded revenue estimates. The company continues to focus on its pipeline and strategic initiatives, which may influence future performance despite the current financial setback. The revenue beat indicates potential for future growth, but the reported loss suggests challenges that may limit overall impact.

3

Sutro Biopharma, Inc. reported its financial results for the third quarter of 2025, highlighting key business developments and financial metrics. The company continues to advance its pipeline of therapeutics, focusing on innovative treatments and collaborations. Financial performance showed trends that may influence future operations and investor sentiment. The financial results and business highlights indicate moderate influence on Sutro Biopharma's future performance and market positioning.

5 Nov

3

Sutro Biopharma, Inc. will host a virtual Research & Development Day on November 12, 2025, to present updates on its pipeline and strategic initiatives. The event aims to provide insights into the company's ongoing research efforts and future directions. The event may influence investor sentiment and provide insights into product innovation, but its overall effect is expected to be somewhat limited.

3 Nov

3

Sutro Biopharma, Inc. announced its participation in the 16th Annual World ADC Conference, where it will showcase its advancements in antibody-drug conjugate technology. The conference is a key event for industry leaders to discuss innovations and developments in the field. Sutro aims to highlight its proprietary platform and pipeline of therapeutics during the event, which could enhance its visibility and networking opportunities within the biopharmaceutical community. Participation in a prominent industry conference may enhance visibility and networking, potentially influencing future collaborations and innovations.

29 Sep

3

Sutro Biopharma, Inc. announced an operational restructuring aimed at extending its cash runway through key milestones. The company is implementing cost-saving measures and prioritizing its pipeline projects to enhance financial stability and support ongoing development efforts. The restructuring may moderately influence financial performance and operational focus, but its overall effect is expected to be balanced by other factors.

10 Aug

4

Sutro Biopharma, Inc. reported its second quarter 2025 earnings, surpassing analysts' expectations. The company highlighted strong revenue growth driven by increased demand for its innovative therapies. Management expressed optimism about future product developments and ongoing clinical trials, which are expected to enhance the company's market position. The positive earnings report has led to a favorable response from investors, reflecting confidence in Sutro's strategic direction and potential for continued success in the biopharmaceutical sector. The earnings beat and positive outlook indicate significant potential for future growth and investor confidence.

7 Aug

4

Sutro Biopharma, Inc. reported its financial results for the second quarter of 2025, highlighting key business developments and financial metrics. The company continues to advance its pipeline of therapeutics, focusing on innovative treatments and collaborations. Financial performance showed progress, with updates on ongoing clinical trials and strategic partnerships aimed at enhancing growth and market presence. Significant advancements in clinical trials and strategic partnerships are likely to impact Sutro Biopharma's future performance and market position.

3

Sutro Biopharma, Inc. (STRO) reported a loss for Q2 but exceeded revenue estimates, indicating a positive reception from investors despite the financial setback. The company's performance reflects ongoing efforts in its biopharmaceutical development, which may influence future market positioning. Exceeding revenue estimates suggests potential for improved financial performance, though losses indicate challenges remain.

23 Jul

4

Sutro Biopharma (NASDAQ:STRO) faces concerns over its cash burn rate, having $249 million in cash and a cash burn of $199 million over the past year, resulting in a cash runway of about 15 months. The company has increased its cash burn by 67% while experiencing a 57% decline in operating revenue. Analysts predict it will reach cash flow breakeven in three years, but the high cash burn relative to its market capitalization of $68 million raises the risk of funding distress. Overall, there are significant warning signs regarding the company's financial management. The significant cash burn relative to market capitalization indicates a high risk of funding distress, which could impact future operations and investor sentiment.

22 Jul

4

Sutro Biopharma, Inc. has entered a collaboration with the FDA to develop reference materials aimed at improving regulatory standards and analytical methods for antibody drug conjugates (ADCs). Utilizing Sutro’s cell-free XpressCF® technology, the partnership will focus on study design, target antigens, payload-linkers, and drug conjugation sites. The results will enhance the FDA's capacity for ADC quality assessments and are expected to impact the industry positively. The collaboration with the FDA is a significant strategic move that could enhance regulatory standards and improve product development for Sutro's ADCs.

2 Jun

3

Sutro Biopharma, Inc. has appointed Greg Chow as the new Chief Financial Officer, effective immediately. Chow brings over 20 years of financial leadership experience in the biotechnology and pharmaceutical sectors. His previous roles include serving as CFO at several companies, where he successfully managed financial operations and strategic planning. The appointment is expected to strengthen Sutro's financial strategy as it advances its pipeline of therapeutics. The appointment of a new CFO may influence financial performance and strategic direction but is not expected to drastically change the company's trajectory.

10 May

3

Sutro Biopharma, Inc. reported its first quarter 2025 earnings, revealing revenues that exceeded expectations, while earnings per share (EPS) fell short of forecasts. The company continues to focus on its pipeline and strategic initiatives despite the mixed financial results. The revenue beat indicates positive momentum, but the EPS miss suggests challenges that could limit overall impact.

8 May

3

Sutro Biopharma, Inc. (STRO) reported a loss for Q1 but exceeded revenue estimates, indicating a positive reception in the market despite the financial setback. The company continues to focus on its product pipeline and strategic initiatives to enhance growth prospects. Exceeding revenue estimates while reporting a loss suggests moderate influence on financial performance and market sentiment.

3

Sutro Biopharma, Inc. reported its financial results for the first quarter of 2025, highlighting key business developments and financial metrics. The company continues to advance its pipeline of therapeutics, focusing on innovative treatments and collaborations. Financial performance showed notable trends, with updates on cash reserves and expenditures, indicating a strategic approach to funding ongoing projects and research initiatives. Financial results and business highlights indicate moderate influence on Sutro Biopharma's performance and market positioning.

stockrow.com/STRO · Data as of Jun 30, 2026 · For information only; not investment advice. · © 2026 stockrow.com