Skip to main content

Caption Management, LLC

Position in PTGX — Protagonist Therapeutics, Inc

CIK 1706766 OKLAHOMA CITY, OK

Position in PTGX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$5,516,100
+$5,516,100 QoQ
Shares Held
45,000
Ownership
0.070%
of shares outstanding
% of Portfolio
0.22%
of 13F equity value
Holder Rank
#99
of 341 holders
Holding Since
Sep 2021
16 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PTGX Over Time

Shares Held

Position Value (USD)

Derivatives in PTGX

reported options exposure · as of Jun 30, 2026
CallValue
$18,387,000
CallShares
150,000
PutValue
$19,833,444
PutShares
161,800

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Caption Management, LLC holds $249,760,911 across 78 Biotechnology names. PTGX ranks #10 (2.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PTGX

Export CSV
32 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $18,387,000 150,000
2026-06-30 $19,833,444 161,800
2026-06-30 $5,516,100 45,000
2026-03-31 $13,153,920 124,800
2026-03-31 $1,243,720 11,800
2025-12-31 $15,267,032 174,800
2025-09-30 $1,195,740 18,000
2025-06-30 $7,903,610 143,000
2025-06-30 $7,461,450 135,000
2025-03-31 $9,377,004 193,900
2025-03-31 $13,956,696 288,600
2024-12-31 $3,443,120 89,200
2024-12-31 $3,818,852 98,934
2024-09-30 $4,014,000 89,200
2024-09-30 $994,500 22,100
2023-06-30 $528,646 19,140
2023-06-30 $8,023,610 290,500
2023-03-31 $5,589 243
2023-03-31 $575,000 25,000
2022-12-31 $436,400 40,000
2022-09-30 $337,200 40,000
2022-06-30 $82,264 10,400
2022-06-30 $632,800 80,000
2022-06-30 $4,340,217 548,700
2022-03-31 $1,657,600 70,000
2022-03-31 $14,113,280 596,000
2021-12-31 $6,590,408 192,702
2021-12-31 $7,989,120 233,600
2021-12-31 $577,980 16,900
2021-09-30 $4,208,500 237,500
2021-09-30 $1,949,200 110,000
2021-09-30 $4,208,500 237,500