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ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in PTGX — Protagonist Therapeutics, Inc

CIK 1165408 Boston, MA

Position in PTGX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$29,768,754
+$9,432,858 QoQ
Shares Held
282,436
+21.3% QoQ
Ownership
0.436%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
23 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

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $4,240,035,723 across 126 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in PTGX

Export CSV
23 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $29,768,754 282,436
2025-12-31 $20,335,896 232,836
2025-09-30 $47,710,158 718,202
2025-06-30 $60,369,320 1,092,262
2025-03-31 $16,611,853 343,504
2024-09-30 $54,040,095 1,200,891
2024-06-30 $69,346,500 2,001,342
2024-03-31 $64,191,851 2,218,868
2023-12-31 $29,618,703 1,291,701
2023-09-30 $11,676,000 700,000
2023-06-30 $35,704,677 1,292,711
2023-03-31 $58,834,000 2,558,000
2022-12-31 $8,368,460 767,045
2022-09-30 $7,359,769 873,045
2022-06-30 $7,910,355 1,000,045
2022-03-31 $14,209,065 600,045
2021-12-31 $15,391,539 450,045
2021-09-30 $5,316,797 300,045
2021-06-30 $24,686,019 550,045
2021-03-31 $15,541,165 600,045
2020-12-31 $23,184,907 1,150,045
2020-09-30 $49,277,730 2,520,600
2020-06-30 $38,852,000 2,200,000