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J. Goldman & Co LP

Position in PTGX — Protagonist Therapeutics, Inc

CIK 1412741 NEW YORK, NY

Position in PTGX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,153,968
+$130,113 QoQ
Shares Held
9,414
-3.1% QoQ
Ownership
0.015%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#172
of 341 holders
Holding Since
Jun 2020
14 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 Dec 31, 2025
CallValue
$3,554,738
CallShares
40,700
PutValue
$0
PutShares
0

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

J. Goldman & Co LP holds $154,729,761 across 52 Biotechnology names. PTGX ranks #30 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PTGX

Export CSV
16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,153,968 9,414
2026-03-31 $1,023,855 9,714
2025-12-31 $4,046,025 46,325
2025-12-31 $3,554,738 40,700
2025-09-30 $1,200,257 18,068
2025-06-30 $1,980,213 35,828
2025-03-31 $2,060,136 42,600
2025-03-31 $3,155,199 65,244
2023-06-30 $1,491,480 54,000
2022-03-31 $1,938,752 81,873
2021-12-31 $4,463,681 130,517
2021-06-30 $896,971 19,986
2021-03-31 $1,284,096 49,579
2020-12-31 $772,954 38,341
2020-09-30 $453,872 23,216
2020-06-30 $871,679 49,359