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RTW INVESTMENTS, LP

Position in PTGX — Protagonist Therapeutics, Inc

CIK 1493215 NEW YORK, NY

Position in PTGX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$620,398,831
+$87,174,645 QoQ
Shares Held
5,061,175
+0.0% QoQ
Ownership
7.82%
of shares outstanding
% of Portfolio
5.30%
of 13F equity value
Holder Rank
#3
of 341 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PTGX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

RTW INVESTMENTS, LP holds $9,530,420,260 across 63 Biotechnology names. PTGX ranks #4 (6.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 PTGX
Protagonist Therapeutics, Inc
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5,061,175 $620,398,831

All Filings in PTGX

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $620,398,831 5,061,175
2026-03-31 $533,224,186 5,059,053
2025-12-31 $441,857,689 5,059,053
2025-09-30 $382,389,481 5,756,277
2025-06-30 $318,149,429 5,756,277
2025-03-31 $276,590,909 5,719,415
2024-12-31 $212,243,837 5,498,545
2024-09-30 $244,175,040 5,426,112
2024-06-30 $183,173,898 5,286,404
2024-03-31 $153,777,820 5,315,514
2023-12-31 $121,884,736 5,315,514
2023-09-30 $90,330,773 5,415,514
2023-06-30 $149,576,496 5,415,514
2023-03-31 $105,818,377 4,600,799
2022-12-31 $39,188,567 3,591,986
2022-09-30 $35,210,735 4,176,837
2022-06-30 $37,924,487 4,794,499
2022-03-31 $113,533,736 4,794,499
2021-12-31 $88,913,912 2,599,822
2021-09-30 $31,075,475 1,753,695
2021-06-30 $157,411,663 3,507,390
2021-03-31 $90,841,401 3,507,390
2020-12-31 $73,585,391 3,650,069
2020-09-30 $66,645,187 3,408,961
2020-06-30 $59,747,453 3,383,208
2020-03-31 $18,782,367 2,660,392