NASDAQ: GOSS
Gossamer Bio Inc Stock Ownership - Who owns Gossamer Bio?

Insider buying vs selling

Have Gossamer Bio Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Sandra MilliganDirector2025-08-1926,050$1.92
$50.02kBuy

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Net Insider Buy/Sell (L12M) Ownership

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GOSS Shareholders

What type of owners hold Gossamer Bio Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Nea Management Company LLC7.82%18,093,034$44.87MInstitution
Octagon Capital Advisors LP7.37%17,050,000$42.28MInstitution
Blackrock Inc5.98%13,846,054$34.34MInstitution
Omega Fund V LP5.84%13,506,832$33.50MInsider
Vanguard Group Inc5.19%12,009,773$29.78MInstitution
Arch Venture Management LLC3.48%8,055,916$19.98MInstitution
Faheem Hasnain2.70%6,245,866$15.49MInsider
Samsara Biocapital LLC2.65%6,130,268$15.20MInstitution
Palo Alto Investors LP2.36%5,464,349$13.55MInstitution
Siren LLC2.25%5,208,968$12.92MInstitution

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GOSS vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
GOSS77.81%15.24%Net Buying
DRTS2.15%0.00%
PROK11.45%39.20%Net BuyingNet Selling
REPL66.37%33.63%Net SellingNet Selling
CRMD54.72%9.50%Net SellingNet Selling

Gossamer Bio Stock Ownership FAQ

Who owns Gossamer Bio?

Gossamer Bio (NASDAQ: GOSS) is owned by 77.81% institutional shareholders, 15.24% Gossamer Bio insiders, and 6.95% retail investors. Omega Fund V LP is the largest individual Gossamer Bio shareholder, owning 13.51M shares representing 5.84% of the company. Omega Fund V LP's Gossamer Bio shares are currently valued at $36.06M.

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