Skip to main content

Gossamer Bio, Inc.

GOSS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001728117

No open-market purchases or sales by Gossamer Bio, Inc. insiders were filed in the last 90 days; 170 institutions reported holding it in 13F filings for Q2 2026, worth $60.8M in total; HHLR Advisors (Hillhouse) is the only superinvestor holding it.

13F holders, Q1 2021

Institutional positions in Gossamer Bio, Inc. as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
123
No complete 13F data for Q4 2020
Shares held
54.3M
No complete 13F data for Q4 2020
Total value
$501.9M
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting GOSS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 123 institutions
Q1 2021: 123 institutionsQ2 2021: 115 institutionsQ3 2021: 128 institutionsQ4 2021: 133 institutionsQ1 2022: 141 institutionsQ2 2022: 129 institutionsQ3 2022: 160 institutionsQ4 2022: 120 institutionsQ1 2023: 111 institutionsQ2 2023: 99 institutionsQ3 2023: 96 institutionsQ4 2023: 98 institutionsQ1 2024: 109 institutionsQ2 2024: 94 institutionsQ3 2024: 100 institutionsQ4 2024: 105 institutionsQ1 2025: 119 institutionsQ2 2025: 124 institutionsQ3 2025: 164 institutionsQ4 2025: 195 institutionsQ1 2026: 185 institutionsQ2 2026: 170 institutions
Value heldQ1 2021: $501.9M
Q1 2021: $501.9MQ2 2021: $431.1MQ3 2021: $687.7MQ4 2021: $664.9MQ1 2022: $519.8MQ2 2022: $533.2MQ3 2022: $1.02BQ4 2022: $225.1MQ1 2023: $97.9MQ2 2023: $74.4MQ3 2023: $171.2MQ4 2023: $192.0MQ1 2024: $233.5MQ2 2024: $164.7MQ3 2024: $172.6MQ4 2024: $155.0MQ1 2025: $186.9MQ2 2025: $218.0MQ3 2025: $473.7MQ4 2025: $573.4MQ1 2026: $56.3MQ2 2026: $60.8M
Institutions holding GOSS and their total value by quarter
QuarterHoldersValue
Q2 2026170$60.8M
Q1 2026185$56.3M
Q4 2025195$573.4M
Q3 2025164$473.7M
Q2 2025124$218.0M
Q1 2025119$186.9M
Q4 2024105$155.0M
Q3 2024100$172.6M
Q2 202494$164.7M
Q1 2024109$233.5M
Q4 202398$192.0M
Q3 202396$171.2M
Q2 202399$74.4M
Q1 2023111$97.9M
Q4 2022120$225.1M
Q3 2022160$1.02B
Q2 2022129$533.2M
Q1 2022141$519.8M
Q4 2021133$664.9M
Q3 2021128$687.7M
Q2 2021115$431.1M
Q1 2021123$501.9M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding GOSS in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Citadel Advisors LLC580,796$5.37M0.01%––
Parkman Healthcare Partners LLC582,890$5.39M1.30%––
Northern Trust Corp603,140$5.58M0.00%––
Two Sigma Investments, LP698,075$6.46M0.02%––
Alyeska Investment Group, L.P.720,066$6.66M0.09%––
Norges Bank724,800$6.70M0.00%––
Marshall Wace North America L.P.840,642$7.78M0.03%––
Geode Capital Management, LLC845,594$7.82M0.00%––
Cormorant Asset Management, LP848,382$7.85M0.23%––
Nuveen Asset Management, LLC944,294$8.73M0.00%––
Goldman Sachs Group Inc977,097$9.04M0.00%––
Ikarian Capital, LLC1,048,383$9.70M1.44%––
Jacobs Levy Equity Management, Inc1,060,554$9.81M0.08%––
Octagon Capital Advisors LP1,413,138$13.1M4.92%––
Palo Alto Investors LP1,772,950$16.4M0.93%––
Artal Group S.A.2,358,968$21.8M0.46%––
Boxer Capital, LLC2,562,358$23.7M0.80%––
Omega Fund Management, LLC3,320,608$30.7M2.91%––
Federated Hermes, Inc.3,462,200$32.0M0.06%––
State Street Corp3,865,681$35.8M0.00%––
BlackRock Inc.5,365,349$49.6M0.00%––
Vanguard Group Inc5,381,751$49.8M0.00%––
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)7,420,974$68.6M0.68%––