GOSS GOSSAMER BIO INC

Ownership history in GROUP ONE TRADING LLC  ·  16 quarters on record

This page tracks every 13F SEC filing in which GROUP ONE TRADING LLC reported a position in GOSSAMER BIO INC (GOSS). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.01% (2020 Q1)
Avg. % of fund
0.0%
First filed
2020 Q1
Last filed
2025 Q3
Quarters held
16
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 74,531 -158,639 -68.0% 0.00% $196K $2.63
2025 Q2 ADDED 233,170 +25,426 +12.2% 0.00% $287K $1.23
2025 Q1 ADDED 207,744 +133,100 +178.3% 0.00% $229K $1.10
2024 Q4 ADDED 74,644 +63,580 +574.7% 0.00% $68K $0.90
2024 Q3 REDUCED 11,064 -47,874 -81.2% 0.00% $11K $0.99
2022 Q4 REDUCED 58,938 -72,281 -55.1% 0.00% $128K $2.17
2022 Q3 REDUCED 131,219 -2,985 -2.2% 0.00% $1.6M $11.98
2022 Q2 ADDED 134,204 +126,664 +1679.9% 0.00% $1.1M $8.37
2022 Q1 REDUCED 7,540 -4,259 -36.1% 0.00% $65K $8.68
2021 Q4 REDUCED 11,799 -2,211 -15.8% 0.00% $133K $11.31
6 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    GOSS price (monthly, adj. close)
← Back to GROUP ONE TRADING LLC Holdings