Form 13-F position report

GOSSAMER BIO INC

Reported by ABSOLUTE INVESTMENT ADVISERS LLC

Manager portfolio Source filing
GOSS 5 06/01/27 CUSIP 38341PAA0 Manager CIK 0001316187
Latest reported change

Reported 1,500,000 shares, down 1,250,000 (45.5%) from the prior quarter.

Reported value -48.8%; share count -45.5% vs. the prior quarter.

Reduced
% of reported 13F value 0.1% This manager · Q2 2025
Shares 1,500,000 Quarter-end amount reported
Reported value $775,500 Fair value at quarter end
Consecutive quarters held 16 Through Q2 2025

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Manager history

Quarterly position history

How this manager's reported quarter-end position changed over time.

17 quarters
Quarter Activity Shares Change % of reported 13F Reported value Filed
Q4 2025 Reduced 0 -1,500,000 (-100.0%) 0 $0 2026-01-28
Q3 2025 Unchanged 1,500,000 0 (0.0%) 0.13% $1,027,500 2025-10-20
Q2 2025 Reduced 1,500,000 -1,250,000 (-45.5%) 0.1% $775,500 2025-07-15
Q1 2025 Unchanged 2,750,000 0 (0.0%) 0.22% $1,515,650 2025-04-29
Q4 2024 Unchanged 2,750,000 0 (0.0%) 0.19% $1,461,526 2025-01-24
Q3 2024 Reduced 2,750,000 -1,000,000 (-26.7%) 0.2% $1,436,563 2024-10-24
Q2 2024 Unchanged 3,750,000 0 (0.0%) 0.26% $1,750,509 2024-07-26
Q1 2024 Reduced 3,750,000 -1,250,000 (-25.0%) 0.2% $1,448,464 2024-04-24
Q4 2023 Unchanged 5,000,000 0 (0.0%) 0.27% $1,862,562 2024-01-31
Q3 2023 Added 5,000,000 +3,000,000 (150.0%) 0.28% $1,977,538 2023-10-20
Q2 2023 Reduced 2,000,000 -1,150,000 (-36.5%) 0.08% $586,200 2023-07-28
Q1 2023 Unchanged 3,150,000 0 (0.0%) 0.13% $859,740 2023-04-27
Q4 2022 Unchanged 3,150,000 0 (0.0%) 0.16% $1,039,500 2023-02-09
Q3 2022 Unchanged 3,150,000 0 (0.0%) 0.57% $3,222,000 2022-10-11
Q2 2022 Unchanged 3,150,000 0 (0.0%) 0.48% $2,381,000 2022-07-27
Q1 2022 Added 3,150,000 +150,000 (5.0%) 0.58% $2,575,000 2022-05-02
Q4 2021 Unchanged 3,000,000 0 (0.0%) 0.96% $2,940,000 2022-01-27
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Institutional context

Who else reported the position

16 managers reported GOSSAMER BIO INC for Q2 2025.

Manager Activity Shares Change % of reported 13F Reported value Tenure
Shaolin Capital Management LLC Added 33,500,000 +1,200,000 0.61% $17,577,288 21 qtrs
DeepCurrents Investment Group LLC Unchanged 27,860,000 0 0.49% $14,763,012 21 qtrs
Context Capital Management LLC Added 27,880 +2,030 0.5% $14,653,310 21 qtrs
WOLVERINE ASSET MANAGEMENT LLC Unchanged 0 0 0.11% $11,456,686 21 qtrs
HIGHBRIDGE CAPITAL MANAGEMENT LLC Reduced 17,000,000 -7,750,000 0.36% $8,925,000 12 qtrs
683 Capital Management LLC Unchanged 13,145,000 0 0.45% $6,835,400 9 qtrs
Opaleye Management Inc Unchanged 8,000,000 0 1.2% $5,948,973 8 qtrs
Rock Springs Capital Management LP Unchanged 9,573,000 0 0.31% $4,952,132 21 qtrs
CAPSTONE INVESTMENT ADVISORS LLC Reduced 7,293,000 -1,500,000 < 0.01% $3,833,092 14 qtrs
WHITEBOX ADVISORS LLC Reduced 6,504,000 -3,500,000 0.07% $3,385,886 17 qtrs
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Filing details and methodology As reported
Report period
June 30, 2025
Filed
July 15, 2025
Filing type
13F-HR
Position type
NOTE 5.000% 6/0

Voting authority reported

Sole
1,500,000
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.