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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, Q2 2023

Institutional positions in Gossamer Bio, Inc. as of Jun 30, 2023. 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
99
−12 vs. Q1 2023
Shares held
62.0M
−15.7M (−20.2%) vs. Q1 2023
Total value
$74.4M
−$23.5M (−24.0%) vs. Q1 2023
New holders
13
19 more added
Sold out
25
43 more reduced

Compare with Q1 2023: new holders, sold out and not filed yet

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 holdersQ2 2023: 99 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 heldQ2 2023: $74.4M
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, Q2 2023

Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q1 2023.

Institutions holding GOSS in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
HRT Financial LP0$00.00%−1,548,153−100.0%Sold out
Kynam Capital Management, LP0$00.00%−1,502,866−100.0%Sold out
Centiva Capital, LP0$00.00%−265,920−100.0%Sold out
SG Americas Securities, LLC0$00.00%−166,766−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−163,769−100.0%Sold out
Walleye Trading LLC0$00.00%−119,362−100.0%Sold out
Dimensional Fund Advisors LP0$00.00%−104,100−100.0%Sold out
Laurion Capital Management LP0$00.00%−56,960−100.0%Sold out
Osher Van de Voorde Investment Management0$00.00%−50,000−100.0%Sold out
American International Group, Inc.0$00.00%−30,396−100.0%Sold out
Invesco Ltd.0$00.00%−25,420−100.0%Sold out
Voya Investment Management LLC0$00.00%−24,100−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−23,628−100.0%Sold out
California State Teachers Retirement System0$00.00%−23,416−100.0%Sold out
ProShare Advisors LLC0$00.00%−13,963−100.0%Sold out
Ground Swell Capital, LLC0$00.00%−13,437−100.0%Sold out
Amalgamated Bank0$00.00%−8,727−100.0%Sold out
Legal & General Group Plc0$00.00%−7,451−100.0%Sold out
Ikarian Capital, LLC0$00.00%−6,100−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−4,379−100.0%Sold out
Great West Life Assurance Co0$00.00%−3,751−100.0%Sold out
Advisory Services Network, LLC0$00.00%−2,040−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−2,037−100.0%Sold out
Simplex Trading, LLC0$00.00%−100−100.0%Sold out