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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 $62.7M in total; HHLR Advisors (Hillhouse) is the only superinvestor holding it.

13F holders, Q2 2021

Institutional positions in Gossamer Bio, Inc. as of Jun 30, 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
115
−8 vs. Q1 2021
Shares held
53.1M
−1.17M (−2.2%) vs. Q1 2021
Total value
$431.1M
−$70.8M (−14.1%) vs. Q1 2021
New holders
17
33 more added
Sold out
25
35 more reduced

Compare with Q1 2021: 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 2021: 115 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 2021: $431.1M
Q1 2021: $501.9MQ2 2021: $431.1MQ3 2021: $687.7MQ4 2021: $666.5MQ1 2022: $519.8MQ2 2022: $533.3MQ3 2022: $1.02BQ4 2022: $225.1MQ1 2023: $97.9MQ2 2023: $74.7MQ3 2023: $171.4MQ4 2023: $197.8MQ1 2024: $244.2MQ2 2024: $165.5MQ3 2024: $173.2MQ4 2024: $155.7MQ1 2025: $186.9MQ2 2025: $218.1MQ3 2025: $474.2MQ4 2025: $585.3MQ1 2026: $58.8MQ2 2026: $62.7M
Institutions holding GOSS and their total value by quarter
QuarterHoldersValue
Q2 2026170$62.7M
Q1 2026185$58.8M
Q4 2025195$585.3M
Q3 2025164$474.2M
Q2 2025124$218.1M
Q1 2025119$186.9M
Q4 2024105$155.7M
Q3 2024100$173.2M
Q2 202494$165.5M
Q1 2024109$244.2M
Q4 202398$197.8M
Q3 202396$171.4M
Q2 202399$74.7M
Q1 2023111$97.9M
Q4 2022120$225.1M
Q3 2022160$1.02B
Q2 2022129$533.3M
Q1 2022141$519.8M
Q4 2021133$666.5M
Q3 2021128$687.7M
Q2 2021115$431.1M
Q1 2021123$501.9M

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q1 2021.

Institutions holding GOSS in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)7,420,974$60.3M0.62%00.0%Unchanged
Vanguard Group Inc5,433,078$44.1M0.00%+51,327+1.0%Added
BlackRock Inc.5,415,805$44.0M0.00%+50,456+0.9%Added
State Street Corp3,327,716$27.0M0.00%−537,965−13.9%Reduced
Omega Fund Management, LLC3,320,608$27.0M3.05%00.0%Unchanged
Federated Hermes, Inc.2,962,200$24.1M0.04%−500,000−14.4%Reduced
Boxer Capital, LLC2,562,358$20.8M0.73%00.0%Unchanged
Artal Group S.A.2,358,968$19.2M0.44%00.0%Unchanged
Palo Alto Investors LP1,772,950$14.4M0.79%00.0%Unchanged
Octagon Capital Advisors LP1,413,138$11.5M2.38%00.0%Unchanged
Emerald Advisers, LLC1,276,996$10.4M0.38%+825,566+182.9%Added
Emerald Mutual Fund Advisers Trust1,261,080$10.2M0.34%+812,728+181.3%Added
Ally Bridge Group (NY) LLC1,175,000$9.54M2.68%+1,175,000New
Ikarian Capital, LLC1,048,383$8.51M1.52%00.0%Unchanged
Jacobs Levy Equity Management, Inc1,006,479$8.17M0.06%−54,075−5.1%Reduced
Geode Capital Management, LLC922,294$7.49M0.00%+76,700+9.1%Added
Marshall Wace North America L.P.840,642$6.83M0.03%00.0%Unchanged
Parkman Healthcare Partners LLC786,870$6.39M1.40%+203,980+35.0%Added
Alyeska Investment Group, L.P.770,066$6.25M0.07%+50,000+6.9%Added
Norges Bank724,800$5.88M0.00%00.0%Unchanged
Northern Trust Corp608,206$4.94M0.00%+5,066+0.8%Added
Millennium Management LLC607,616$4.93M0.01%+566,354+1,372.6%Added
Goldman Sachs Group Inc511,575$4.15M0.00%−465,522−47.6%Reduced
Two Sigma Investments, LP478,060$3.88M0.01%−220,015−31.5%Reduced
Charles Schwab Investment Management Inc362,330$2.94M0.00%+42,330+13.2%Added
Two Sigma Advisers, LP358,700$2.91M0.01%−131,500−26.8%Reduced
Morgan Stanley308,745$2.51M0.00%−20,216−6.1%Reduced
Sio Capital Management, LLC261,400$2.12M0.58%00.0%Unchanged
Nuveen Asset Management, LLC228,347$1.85M0.00%−715,947−75.8%Reduced
Bank of New York Mellon Corp210,538$1.71M0.00%−23,737−10.1%Reduced
Hudson Bay Capital Management LP210,500$1.71M0.02%+35,500+20.3%Added
Farallon Capital Management, L.L.C.202,326$1.64M0.01%+202,326New
Cormorant Asset Management, LP198,382$1.61M0.06%−650,000−76.6%Reduced
Citigroup Inc178,118$1.45M0.00%−39,515−18.2%Reduced
Clough Capital Partners L P159,725$1.30M0.07%−298,909−65.2%Reduced
Ensign Peak Advisors, Inc145,076$1.18M0.00%00.0%Unchanged
Rafferty Asset Management, LLC112,850$916.0K0.01%−60,778−35.0%Reduced
Swiss National Bank108,800$883.0K0.00%−2,600−2.3%Reduced
Boothbay Fund Management, LLC102,620$833.0K0.03%+2,165+2.2%Added
Alps Advisors Inc99,981$812.0K0.01%−37,390−27.2%Reduced
Pura Vida Investments, LLC98,633$801.0K0.06%−1,621−1.6%Reduced
PDT Partners, LLC97,700$793.0K0.05%−15,120−13.4%Reduced
Dowling & Yahnke LLC95,575$776.0K0.04%−30,000−23.9%Reduced
Rhumbline Advisers87,324$709.0K0.00%+9,056+11.6%Added
California State Teachers Retirement System85,823$697.0K0.00%+384+0.4%Added
Russell Investments Group, Ltd.81,099$658.0K0.00%−6,525−7.4%Reduced
Susquehanna International Group, LLP77,671$631.0K0.00%+10,506+15.6%Added
State of Wisconsin Investment Board76,300$620.0K0.00%00.0%Unchanged
Bank of America Corp73,470$597.0K0.00%−69,991−48.8%Reduced
Public Employees Retirement System of Ohio70,332$571.0K0.00%00.0%Unchanged
Royal Bank of Canada57,880$470.0K0.00%+54,040+1,407.3%Added
Alliancebernstein L.P.55,300$449.0K0.00%−81,322−59.5%Reduced
UBS Asset Management Americas Inc49,742$403.9K0.00%−4,910−9.0%Reduced
Invesco Ltd.49,081$398.0K0.00%+10,145+26.1%Added
New York State Common Retirement Fund46,774$380.0K0.00%+474+1.0%Added
Deutsche Bank AG43,780$356.0K0.00%+1,830+4.4%Added
Nisa Investment Advisors, LLC41,750$339.0K0.00%+41,750New
JPMorgan Chase & Co40,613$330.0K0.00%+6,666+19.6%Added
Manufacturers Life Insurance Company, The38,294$311.0K0.00%+2,924+8.3%Added
ExodusPoint Capital Management, LP37,543$305.0K0.00%+37,543New
Virginia Retirement Systems Et Al36,000$292.0K0.00%+400+1.1%Added
American International Group, Inc.34,840$283.0K0.00%+1,817+5.5%Added
Credit Suisse AG33,091$268.0K0.00%−7,233−17.9%Reduced
ProShare Advisors LLC29,771$242.0K0.00%+4,175+16.3%Added
Virtus ETF Advisers LLC25,361$206.0K0.08%−3,102−10.9%Reduced
MetLife Investment Management24,479$198.8K0.00%+13,322+119.4%Added
Voya Investment Management LLC23,327$189.0K0.00%−122,280−84.0%Reduced
Change Path, LLC20,506$167.0K0.01%+5,407+35.8%Added
Jane Street Group, LLC20,217$164.0K0.00%+20,217New
Marshall Wace, LLP19,252$156.0K0.00%00.0%Unchanged
Parametric Portfolio Associates LLC17,762$144.0K0.00%−10,469−37.1%Reduced
Principal Financial Group Inc17,436$142.0K0.00%+586+3.5%Added
State Board of Administration of Florida Retirement System16,003$130.0K0.00%+601+3.9%Added
Citadel Advisors LLC15,801$128.0K0.00%−564,995−97.3%Reduced
Wells Fargo & Company15,510$126.0K0.00%−4,159−21.1%Reduced
DekaBank Deutsche Girozentrale14,400$119.0K0.00%00.0%Unchanged
Cubist Systematic Strategies, LLC14,096$114.0K0.00%−28,958−67.3%Reduced
Arizona State Retirement System13,416$109.0K0.00%−951−6.6%Reduced
Barclays PLC13,429$109.0K0.00%+12,942+2,657.5%Added
Qube Research & Technologies Ltd13,271$108.0K0.00%+13,271New
UBS Group AG12,437$101.0K0.00%−68,549−84.6%Reduced
Squarepoint Ops LLC10,575$86.0K0.00%−19,613−65.0%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)10,421$85.0K0.00%00.0%Unchanged
Texas Yale Capital Corp.10,000$81.0K0.00%+10,000New
Tower Research Capital LLC (TRC)8,932$72.0K0.00%+6,662+293.5%Added
Metropolitan Life Insurance Co8,665$70.4K0.00%−6,739−43.7%Reduced
Legal & General Group Plc7,841$63.0K0.00%−624−7.4%Reduced
BNP Paribas Arbitrage, SA7,596$61.7K0.00%−12,604−62.4%Reduced
State of Wyoming4,761$39.0K0.02%+4,761New
Ameritas Investment Partners, Inc.4,379$36.0K0.00%00.0%Unchanged
Great West Life Assurance Co3,784$31.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.3,567$29.0K0.00%+2,350+193.1%Added
Clearstead Advisors, LLC3,500$28.0K0.00%00.0%Unchanged
Liberty Wealth Management LLC2,000$16.0K0.01%00.0%Unchanged
SG3 Management, LLC2,000$16.0K0.01%+2,000New
US Bancorp1,762$14.0K0.00%+184+11.7%Added
Penserra Capital Management LLC1,730$14.0K0.00%+20+1.2%Added
Macquarie Group Ltd1,575$13.0K0.00%00.0%Unchanged
Endurance Wealth Management, Inc.1,700$13.0K0.00%00.0%Unchanged
Cutler Group LP1,500$12.0K0.00%+1,500New