Protagonist Therapeutics, Inc.

PTGX Healthcare Biotechnology

Protagonist Therapeutics, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $46.0 million, down 89.4% from fiscal 2024.

Revenue
+3,749.2%
EPS
+549.1%
Free cash flow
+839.7%

Quarter to June 2026, against a year earlier

133.50 1.76 −1.30%
Market cap
$8.8B
P/E
111×
Fwd P/E
31.2×
Dividend yield
—
F-score
4/9
Altman Z
61.55
Beneish M
−7.18
Dividend safety
n/a

Protagonist Therapeutics, Inc. (PTGX) Book value per share

Alert me on Book value per share

Protagonist Therapeutics, Inc.'s book value per share at the end of fiscal 2025 was 9.7×, down 11.8% from 11.0× in fiscal 2024. At the end of the quarter to 30 June 2026 it was 12.8×. Over the past ten years it has ranged from −109× (fiscal 2015) to 13.5× (fiscal 2016); the current reading is higher than 82% of that period. Protagonist Therapeutics, Inc. ranks 65th of 611 Biotechnology companies by book value per share.

Book value per share, annual

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Annual newest first

Period Book value per share Change
FY2025 9.7× (11.84%)
FY2024 11.0× 84.93%
FY2023 5.9× 34.91%
FY2022 4.4× (32.12%)
FY2021 6.5× (20.33%)
FY2020 8.1× 163.23%
FY2019 3.1× (38.62%)
FY2018 5.0× (26.20%)
FY2017 6.8× (49.37%)
FY2016 13.5× —

Quarterly newest first

Period Book value per share Change
Jun 2026 12.8× 26.74%
Mar 2026 10.1× 4.15%
Dec 2025 9.7× (4.46%)
Sep 2025 10.1× (3.78%)
40 more quarters

Against its own ten years

Low −109× High 13.5×
Ten-year median 6.5×
Current reading's percentile 82

Book value per share against peers

What Book value per share is

BV per Share tells an investor how much of a company’s accounting net worth stands behind each share.

(Shareholders Equity (Total) ÷ Shares (Basic, Weighted))

The full definition of Book value per share →

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