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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, Q4 2021

Institutional positions in Gossamer Bio, Inc. as of Dec 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
133
+6 vs. Q3 2021
Shares held
58.8M
+4.90M (+9.1%) vs. Q3 2021
Total value
$664.9M
−$12.3M (−1.8%) vs. Q3 2021
New holders
20
42 more added
Sold out
14
42 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 133 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 heldQ4 2021: $664.9M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q3 2021.

Institutions holding GOSS in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)7,420,974$83.9M1.30%00.0%Unchanged
Vanguard Group Inc5,587,459$63.2M0.00%+88,654+1.6%Added
BlackRock Inc.5,429,686$61.4M0.00%+66,816+1.2%Added
State Street Corp3,292,091$37.2M0.00%+629,325+23.6%Added
Omega Fund Management, LLC3,164,835$35.8M5.06%−155,773−4.7%Reduced
Federated Hermes, Inc.2,962,242$33.5M0.06%+80.0%Added
Boxer Capital, LLC2,462,358$27.8M1.11%00.0%Unchanged
Artal Group S.A.2,358,968$26.7M0.78%00.0%Unchanged
Citadel Advisors LLC1,875,751$21.2M0.02%+287,800+18.1%Added
Emerald Mutual Fund Advisers Trust1,805,305$20.4M0.72%+227,558+14.4%Added
Palo Alto Investors LP1,772,950$20.1M1.28%00.0%Unchanged
Emerald Advisers, LLC1,770,919$20.0M0.74%+254,916+16.8%Added
Octagon Capital Advisors LP1,513,138$17.1M3.33%00.0%Unchanged
Morgan Stanley1,221,855$13.8M0.00%+967,952+381.2%Added
Ikarian Capital, LLC1,166,933$13.2M3.78%−185,000−13.7%Reduced
Kynam Capital Management, LP1,016,857$11.5M6.15%+1,016,857New
Geode Capital Management, LLC1,013,083$11.5M0.00%+17,322+1.7%Added
Woodline Partners LP977,823$11.1M0.16%+977,823New
Jacobs Levy Equity Management, Inc908,432$10.3M0.07%−68,931−7.1%Reduced
FMR LLC894,500$10.1M0.00%00.0%Unchanged
Norges Bank724,800$8.20M0.00%00.0%Unchanged
OrbiMed Advisors LLC683,000$7.72M0.10%+683,000New
Northern Trust Corp598,089$6.76M0.00%−2,348−0.4%Reduced
Marshall Wace, LLP572,072$6.47M0.01%+552,820+2,871.5%Added
Parkman Healthcare Partners LLC546,421$6.18M1.40%−240,449−30.6%Reduced
Ally Bridge Group (NY) LLC475,000$5.37M1.88%−700,000−59.6%Reduced
Charles Schwab Investment Management Inc390,505$4.42M0.00%+7,938+2.1%Added
Lord, Abbett & Co. LLC390,146$4.41M0.01%+390,146New
Two Sigma Investments, LP332,251$3.76M0.01%+142,891+75.5%Added
Two Sigma Advisers, LP265,200$3.00M0.01%+61,600+30.3%Added
Bank of America Corp253,655$2.87M0.00%+160,180+171.4%Added
Goldman Sachs Group Inc244,088$2.76M0.00%−327,829−57.3%Reduced
Bank of New York Mellon Corp228,196$2.58M0.00%−60.0%Reduced
Millennium Management LLC208,892$2.36M0.00%−299,898−58.9%Reduced
Cormorant Asset Management, LP198,382$2.24M0.13%00.0%Unchanged
Nuveen Asset Management, LLC206,954$2.13M0.00%−15,005−6.8%Reduced
Rafferty Asset Management, LLC183,844$2.08M0.01%+106,084+136.4%Added
Walleye Capital LLC181,624$2.05M0.07%+181,624New
UBS Group AG165,428$1.87M0.00%+103,453+166.9%Added
Citigroup Inc152,785$1.73M0.00%−31,993−17.3%Reduced
Ensign Peak Advisors, Inc151,166$1.71M0.00%+6,090+4.2%Added
Schonfeld Strategic Advisors LLC122,500$1.39M0.01%+22,200+22.1%Added
Acuta Capital Partners, LLC119,843$1.35M0.57%−95,157−44.3%Reduced
Boothbay Fund Management, LLC116,399$1.32M0.04%−17,676−13.2%Reduced
Endurant Capital Management LP113,660$1.28M0.35%+113,660New
Moore Capital Management, LP109,024$1.23M0.03%−3,376−3.0%Reduced
Swiss National Bank108,800$1.23M0.00%00.0%Unchanged
Birchview Capital, LP100,000$1.13M0.73%+60,000+150.0%Added
Rhumbline Advisers91,264$1.03M0.00%+717+0.8%Added
Alps Advisors Inc88,487$1.00M0.01%−4,649−5.0%Reduced
Pura Vida Investments, LLC87,429$989.0K0.10%−2,648−2.9%Reduced
PDT Partners, LLC87,182$986.0K0.08%+17,369+24.9%Added
State of Wisconsin Investment Board76,300$863.0K0.00%00.0%Unchanged
California State Teachers Retirement System75,805$857.0K0.00%+1,713+2.3%Added
Susquehanna International Group, LLP73,476$831.0K0.00%+34,250+87.3%Added
Barclays PLC72,450$819.0K0.00%+72,450New
Public Employees Retirement System of Ohio70,332$795.0K0.00%00.0%Unchanged
Susquehanna Fundamental Investments, LLC64,009$724.0K0.02%−4,297−6.3%Reduced
Deutsche Bank AG61,028$690.0K0.00%+1,297+2.2%Added
Cubist Systematic Strategies, LLC56,958$644.0K0.01%−18,060−24.1%Reduced
Russell Investments Group, Ltd.53,535$604.0K0.00%−18,771−26.0%Reduced
Alliancebernstein L.P.49,700$562.0K0.00%00.0%Unchanged
Jump Financial, LLC48,068$544.0K0.03%+48,068New
UBS Asset Management Americas Inc47,951$542.3K0.00%−1,791−3.6%Reduced
Invesco Ltd.47,037$532.0K0.00%−5,365−10.2%Reduced
JPMorgan Chase & Co46,230$523.0K0.00%+3,685+8.7%Added
Connor, Clark & Lunn Investment Management Ltd.45,719$517.0K0.00%−787−1.7%Reduced
New York State Common Retirement Fund44,431$503.0K0.00%−114−0.3%Reduced
Lazard Asset Management LLC44,385$501.0K0.00%+44,385New
Renaissance Technologies LLC43,700$494.0K0.00%+43,700New
Ergoteles LLC40,316$456.0K0.02%−2,017−4.8%Reduced
Eversept Partners, LP39,910$451.4K0.04%−110,000−73.4%Reduced
Credit Suisse AG39,873$451.0K0.00%+5,818+17.1%Added
Virginia Retirement Systems Et Al35,800$405.0K0.00%−2,200−5.8%Reduced
Parametric Portfolio Associates LLC35,846$405.0K0.00%+2,233+6.6%Added
Gyon Technologies Capital Management, LP34,222$387.0K0.07%−5,017−12.8%Reduced
Manufacturers Life Insurance Company, The33,426$378.0K0.00%−1,604−4.6%Reduced
Change Path, LLC33,426$378.0K0.02%+1,627+5.1%Added
American International Group, Inc.33,043$374.0K0.00%−989−2.9%Reduced
BNP Paribas Arbitrage, SA30,963$350.2K0.00%+15,989+106.8%Added
Wells Fargo & Company28,214$319.0K0.00%+12,525+79.8%Added
Jane Street Group, LLC27,965$317.0K0.00%−20,036−41.7%Reduced
Nisa Investment Advisors, LLC30,210$290.0K0.00%+23,460+347.6%Added
ProShare Advisors LLC24,356$276.0K0.00%+157+0.6%Added
Voya Investment Management LLC24,100$273.0K0.00%+773+3.3%Added
MetLife Investment Management22,675$256.5K0.00%+5,987+35.9%Added
SG Americas Securities, LLC20,428$231.0K0.00%−28,386−58.2%Reduced
Smith, Moore & Co.19,500$221.0K0.03%+9,500+95.0%Added
Campbell & CO Investment Adviser LLC18,600$210.0K0.07%−1,600−7.9%Reduced
Legal & General Group Plc17,553$199.0K0.00%−285−1.6%Reduced
Metropolitan Life Insurance Co16,796$190.0K0.00%+825+5.2%Added
State Board of Administration of Florida Retirement System16,741$189.0K0.00%+738+4.6%Added
Simplex Trading, LLC16,029$181.0K0.01%+16,029New
Virtus ETF Advisers LLC15,932$180.0K0.07%−8,178−33.9%Reduced
Trexquant Investment LP14,899$169.0K0.01%−3,940−20.9%Reduced
Allspring Global Investments Holdings, LLC14,618$165.0K0.00%+14,618New
DekaBank Deutsche Girozentrale14,800$157.0K0.00%+400+2.8%Added
XTX Topco Ltd13,310$151.0K0.09%+13,310New
Arizona State Retirement System13,295$150.0K0.00%−145−1.1%Reduced
Belvedere Trading LLC14,089$145.0K0.03%+14,089New