X4 Pharmaceuticals, Inc.

XFOR Healthcare Biotechnology

X4 Pharmaceuticals, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $35.1 million, up 1,273.2% from fiscal 2024.

Revenue
+63.1%
EPS
+76.9%
Free cash flow
+27.5%
Total debt
+1.24%

Quarter to September 2026, against a year earlier

3.15 0.08 +2.61%
Market cap
$304.4M
P/E
0.0×
Fwd P/E
−5.0×
Dividend yield
—
F-score
n/a
Altman Z
−1.78
Beneish M
8.05
Dividend safety
n/a

Insider Decisions last twelve months

Bought, $m 0.01
Sold, $m 0.46
Trades a month
Jan 26 Apr 26 Jul 26 Oct 26
Buy — — — — — — — — — — 1 —
Sell — — — — — 1 1 — 2 — 1 —
Insider Ownership 40.68%

Capital & Financial Ratios $m

Size
Market Cap 304.38
Revenue ttm 16.96
Net income ttm (80.52)
Free cash flow ttm (81.10)
Net debt Q (110.69)
Valuation
P/E 0.00
Forward P/E (5.01) (negative: loss-making)
Price / sales 23.50 (above 10: high)
Forward P/S Powerpack
Price / FCF 16.91
Price / book 2.87
Financial health
Current ratio Q 13.22 (at or above 1.5: strong)
Debt / equity Q 0.55
Interest coverage Q (9.11)
Growth
Revenue growth Q +63.12% (above 0%: growing)
Operating income growth Q +27.33% (above 0%: growing)
EPS, this year +65.56% (at or above 15%: strong)
EPS, next year A −18.01% (below 0%: weak)
Revenue, next year A −54.49% (below 0%: weak)
EPS, past 5 yrs —
EPS, next 5 yrs A +23.26% (at or above 15%: strong)

Green and red mark values outside typical ranges; (Q) is the latest quarter, (A) analysts’ estimates. How we judge →

Valuation vs history

P/B against its own 10 years 79.24%
10-year low 10-year high

Dividends

Yield
—
Annual rate
—
Payout ratio
—

Assets vs Liabilities $m

2023 2024 2025 Q'26
Cash 114 102 253 188
Receivables 1 2 1 1
Inventory — 3 4 6
Other — — — —
122 112 262 198
2023 2024 2025 Q'26
Payables 9 9 6 5
ST’ Debt — — — —
Other — — — —
23 33 26 15

Compound Annual Growth %

10y 5y 3y
Sales — — 115.68%
Cash Flow 0.00% 0.00% 0.00%
Earnings 0.00% 0.00% 0.00%
Book Value 0.00% 20.67% 36.00%

Earnings Trends EPS, adjusted, against the consensus

EPS $

Mar Jun Sep Dec Year
’26 (0.16) (0.13) (0.16) — —
’25 0.04 (3.47) (0.69) (0.22) (1.87)
’24 (7.81) 13.51 (5.41) (6.01) (5.71)
’23 (4.80) (9.91) (0.35) (3.00) (17.12)
’22 (21.62) (18.02) (7.81) (8.71) (45.65)
’21 (39.04) (22.22) (22.82) (37.24) (119.82)
’20 (16.82) (22.82) (26.13) (27.33) (92.79)
Fiscal quarters ending in the months shown.

Revenue $m

Mar Jun Sep Dec Year
’26 3 9 3 — —
’25 29 2 2 3 35
’24 — 1 1 1 3
’20 3 — — — 3
Fiscal quarters ending in the months shown.

Operating Cash Flow $m

Mar Jun Sep Dec Year
’26 (20) (21) (20) — —
’25 (12) (30) (28) (16) (86)
’24 (34) (30) (34) (33) (131)
’23 (27) (21) (21) (28) (97)
’22 (20) (18) (19) (19) (77)
’21 (18) (19) (14) (19) (71)
’20 (16) (11) (14) (18) (59)
Fiscal quarters ending in the months shown.

Free Cash Flow $m

Mar Jun Sep Dec Year
’26 (20) (26) (20) — —
’25 (15) (30) (28) (16) (89)
’24 (34) 68 (34) (33) (33)
’23 (27) (21) (21) (28) (97)
’22 (20) (19) (19) (19) (77)
’21 (19) (19) (14) (19) (72)
’20 (16) (11) (15) (18) (60)
Fiscal quarters ending in the months shown.

Target Price Range

Analyst price targets

Recommendation Rating

1
1Buy 2 3Hold 4 5Sell

Ten years at a glance Fiscal years to December

Ten-year view Analyst estimates Powerpack
Group Line 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 TTM Sep ’26 Trend 10 yrs 2026e 2027e 2028e Next 3/yr
Income, $m
Income, $m Revenue — — 4 — 3 — — — 3 35 17 +39.0% 16 12 36 +1.2%
Gross margin, % — — 100.00 — 100.00 — — — 68.83 83.60 81.77 (16.4) pt
EBT (23) (22) (33) (53) (62) (89) (94) (101) (37) (79) (81) +14.7%
EBT margin, % 0.00 0.00 (951.00) 0.00 (2,066.10) 0.00 0.00 0.00 (1,452.48) (225.44) (474.71) (225.4) pt
Net income (23) (22) (33) (53) (62) (89) (94) (101) (37) (79) (81) +14.7%
Per share, $
Per share, $ Revenue 0.00 0.00 228.76 0.00 4.49 0.00 0.00 0.00 0.38 0.83 0.13 n/m
Earnings (8,059.58) (1,637.16) (2,177.67) (139.04) (92.79) (119.82) (45.65) (17.12) (5.71) (1.87) (0.67) (60.5%)
Cash flow (7,461.72) (1,392.88) (1,661.44) (125.18) (87.97) (82.70) (36.45) (16.28) (19.53) (2.02) (0.60) (59.8%)
Capex (25.17) (24.71) (2.22) 2.15 (2.04) (0.72) (0.05) (0.01) 14.57 (0.07) (0.04) (47.9%)
Free cash flow (7,486.90) (1,417.58) (1,663.66) (123.02) (90.01) (83.41) (36.50) (16.29) (4.96) (2.10) (0.64) (59.7%)
Book value (5,766.90) 3,837.06 (811.18) 336.60 108.88 75.12 35.01 8.62 3.30 4.40 1.10 n/m
Shares, m 0 0 0 0 1 1 2 6 7 42 105 +190.2%
Valuation, ×
Valuation, × P/E — — 0.00 — 0.00 — — — 0.00 0.00 0.00 0.0
P/S — — 0.00 — 0.00 — — — 26.55 4.82 23.50 7.8
P/B — — 0.00 — 1.77 — — — 6.66 0.91 2.87 2.3
EV/Sales — — 0.00 — 0.00 — — — 21.89 (0.19) 17.02 5.4
EV/FCF — — (0.32) — (1.40) — — — (4.64) (0.42) 12.24 (1.7)
Cash, $m
Cash, $m Operating cash flow (22) (21) (25) (48) (59) (71) (77) (97) (131) (86) (76) +16.5%
Capex 0 0 0 1 (1) (1) 0 0 98 (3) (5) +51.1%
Free cash flow (22) (22) (25) (47) (60) (72) (77) (97) (33) (89) (81) +16.9%
Balance, $m
Balance, $m Working capital (6) 69 1 120 71 74 106 99 79 236 183 n/m
Net debt 7 (67) 2 (105) (46) (48) (88) (60) (27) (177) (111) n/m
Shareholders’ equity (17) 59 (12) 129 73 64 74 51 22 186 139 n/m
Returns, %
Returns, % ROA (268.79) (56.26) (79.62) (62.59) (43.82) (85.52) (70.69) (66.81) (25.50) (36.25) (40.73) +232.5 pt
ROIC 0.00 0.00 0.00 (134.47) (137.23) (321.23) 0.00 0.00 0.00 (566.65) (178.23) (566.6) pt
ROE 50.61 (2,330.44) 395.09 (204.85) (61.51) (149.61) (139.26) (161.67) (102.26) (75.99) (80.32) (126.6) pt
People
People Employees 39 40 15 58 72 83 70 93 143 45 — +1.6%
Revenue/emp, $m 0.00 0.00 0.23 0.00 0.04 0.00 0.00 0.00 0.02 0.78 — n/m
Negative figures in brackets.
estimates

All 10 years →

Fiscal years to Dec 2025 · latest quarter Sep 2026 · fundamentals updated 6 Nov 2026

X4 Pharmaceuticals, Inc. vs peers in Biotechnology (Q) = latest quarter vs a year earlier

Company Market cap P/E Fwd P/E Revenue growth (Q) EPS growth (Q) FCF growth (Q) Gross margin (Q) EBIT margin (Q) Compare
PROK ProKidney Corp. $322.0M — (loss-making) — (loss-making) −32.13% (below 0%: shrinking) n/m −28.03% (below 0%: shrinking) 100.00% (32,248.67%) Compare
EIKN Eikon Therapeutics, Inc. $316.3M — (loss-making) — — n/m +15.18% (above 0%: growing) — 0.00% Compare
ALEC Alector, Inc. $309.9M 6.6× — (loss-making) +4,895.89% (above 0%: growing) n/m +25.73% (above 0%: growing) 100.00% 76.04% Compare
XFOR X4 Pharmaceuticals, Inc. $304.4M — (loss-making) — (loss-making) +63.12% (above 0%: growing) n/m +27.45% (above 0%: growing) 82.18% (694.37%)
BNTC Benitec Biopharma Limited $301.5M — (loss-making) — (loss-making) −85.42% (below 0%: shrinking) n/m +38.90% (above 0%: growing) 0.00% 0.00% Compare
GALT Galectin Therapeutics Inc. $301.0M — (loss-making) — — n/m +63.06% (above 0%: growing) 0.00% 0.00% Compare
ENTA Enanta Pharmaceuticals, Inc. $293.6M — (loss-making) — (loss-making) −21.60% (below 0%: shrinking) n/m −157.51% (below 0%: shrinking) 100.00% (120.04%) Compare
SCTX Scribe Therapeutics Inc. $293.1M — — — n/m — 100.00% (489.83%) Compare
AGEN Agenus Inc. $290.8M 10.7× 27.7× +4.14% (above 0%: growing) −99.00% (below 0%: shrinking) −37.06% (below 0%: shrinking) 100.00% 36.23% Compare
Median of peers $301.2M — — −21.60% — +15.18% 100.00% 0.00%

All 621 Biotechnology stocks →

Pay and ownership Proxy statement filed 20 March 2026

Ownership

Directors and executive officers, together 1.13%
Funds managed by Empery Asset Management, LP 9.99%
FMR LLC 9.35%
Morgan Stanley 9.02%
Entities affiliated with Bain Capital Life Sciences Investors, LLC 8.08%
Coastland Capital Partners LP 7.27%
Saturn V Capital Management 7.08%
Entities affiliated with Perceptive Advisors LLC 6.52%
Entities affiliated with Growth Equity Opportunities 5.65%
Trails Edge Biotechnology Master Fund, LP 5.59%
Deep Track Biotechnology Master Fund, Ltd. 5.56%
Ownership is the proxy’s own table: the directors and officers as a group, and every holder of 5% or more. Read the proxy statement

X4 Pharmaceuticals, Inc. (XFOR) Latest News

24 Nov

Impact 4 · · Simply Wall St.Simply Wall St.Simply Wall St.Simply Wall St.Simply Wall St.Simply Wall St.

18 Nov

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5 Nov

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stockrow.com/XFOR · Data as of Nov 6, 2026 · For information only; not investment advice. · © 2026 stockrow.com