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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, Q4 2022

Institutional positions in Gossamer Bio, Inc. as of Dec 31, 2022. 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
120
−39 vs. Q3 2022
Shares held
103.8M
+18.6M (+21.8%) vs. Q3 2022
Total value
$225.1M
−$795.5M (−77.9%) vs. Q3 2022
New holders
21
51 more added
Sold out
60
34 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 120 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 2022: $225.1M
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, Q4 2022

Shares, value and share of portfolio for each institution holding Gossamer Bio, Inc.; share changes are against Q3 2022.

Institutions holding GOSS in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
State Street Corp27,843,985$60.4M0.00%+24,066,082+637.0%Added
Vanguard Group Inc7,959,857$17.3M0.00%+613,694+8.4%Added
BlackRock Inc.5,413,023$11.7M0.00%−95,154−1.7%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)4,974,041$10.8M0.23%−2,446,933−33.0%Reduced
Millennium Management LLC4,625,511$10.0M0.01%+3,296,396+248.0%Added
Weiss Asset Management LP3,643,174$7.91M0.38%+869,250+31.3%Added
NEA Management Company, LLC3,467,406$7.52M0.42%00.0%Unchanged
Boxer Capital, LLC3,336,928$7.24M0.38%−235,000−6.6%Reduced
Artal Group S.A.3,246,624$7.04M0.41%00.0%Unchanged
Morgan Stanley3,163,345$6.86M0.00%+1,955,742+162.0%Added
Bank of America Corp3,043,307$6.60M0.00%+2,685,828+751.3%Added
Rafferty Asset Management, LLC2,771,503$6.01M0.05%+2,542,058+1,107.9%Added
Octagon Capital Advisors LP1,958,069$4.25M0.66%−87,373−4.3%Reduced
Two Sigma Advisers, LP1,824,700$3.96M0.01%+957,000+110.3%Added
Kynam Capital Management, LP1,771,545$3.84M0.59%+1,385,196+358.5%Added
Goldman Sachs Group Inc1,768,817$3.84M0.00%+717,305+68.2%Added
UBS Group AG1,730,306$3.75M0.00%+1,699,439+5,505.7%Added
Two Sigma Investments, LP1,463,120$3.17M0.01%+537,393+58.1%Added
Acadian Asset Management LLC1,453,740$3.15M0.02%+1,453,740New
Barclays PLC1,432,620$3.11M0.00%+1,279,971+838.5%Added
Price T Rowe Associates Inc1,308,807$2.84M0.00%+1,298,783+12,956.7%Added
Geode Capital Management, LLC1,295,114$2.81M0.00%+36,345+2.9%Added
Citigroup Inc1,205,545$2.62M0.00%+130,448+12.1%Added
Marshall Wace, LLP1,015,450$2.20M0.01%+515,894+103.3%Added
JPMorgan Chase & Co917,569$1.99M0.00%+844,868+1,162.1%Added
Squarepoint Ops LLC914,926$1.99M0.01%+674,380+280.4%Added
Schonfeld Strategic Advisors LLC903,500$1.96M0.02%+774,156+598.5%Added
Occudo Quantitative Strategies LP825,793$1.79M0.21%+722,235+697.4%Added
Madison Avenue Partners, LP711,178$1.54M0.27%−675,784−48.7%Reduced
Federated Hermes, Inc.701,694$1.52M0.00%−1,496,621−68.1%Reduced
Northern Trust Corp659,687$1.43M0.00%−14,284−2.1%Reduced
Charles Schwab Investment Management Inc542,055$1.18M0.00%+11,870+2.2%Added
BNP Paribas Arbitrage, SA507,844$1.10M0.00%+277,292+120.3%Added
Rock Springs Capital Management LP376,048$816.0K0.02%−1,210,914−76.3%Reduced
D. E. Shaw & Co., Inc.315,625$684.9K0.00%+29,867+10.5%Added
Susquehanna International Group, LLP269,502$584.8K0.00%+176,047+188.4%Added
XTX Topco Ltd267,134$579.7K0.12%+250,669+1,522.4%Added
Prosight Management, LP265,000$575.0K0.32%+265,000New
Engineers Gate Manager LP243,848$529.1K0.03%+243,848New
Bank of New York Mellon Corp220,836$479.2K0.00%−46,504−17.4%Reduced
Alliancebernstein L.P.209,970$455.6K0.00%00.0%Unchanged
Deutsche Bank AG198,624$431.0K0.00%+7,785+4.1%Added
CI Private Wealth, LLC168,720$366.1K0.00%+168,720New
Cubist Systematic Strategies, LLC163,399$354.6K0.00%−348,392−68.1%Reduced
Eversept Partners, LP154,212$334.6K0.03%−394,219−71.9%Reduced
E Fund Management Co., Ltd.145,237$315.0K0.03%+129,468+821.0%Added
Ensign Peak Advisors, Inc145,076$314.8K0.00%−20,540−12.4%Reduced
Gsa Capital Partners LLP126,497$274.0K0.03%+85,228+206.5%Added
Swiss National Bank124,800$270.8K0.00%+2,500+2.0%Added
Two Sigma Securities, LLC109,084$236.7K0.03%+109,084New
Tang Capital Management LLC100,000$217.0K0.03%−150,000−60.0%Reduced
Jefferies Financial Group Inc.100,000$217.0K0.00%+100,000New
Silverarc Capital Management, LLC100,000$217.0K0.07%+100,000New
Birchview Capital, LP99,088$215.0K0.15%−60,000−37.7%Reduced
HighVista Strategies LLC96,795$210.0K0.12%00.0%Unchanged
Jane Street Group, LLC94,472$205.0K0.00%−50,419−34.8%Reduced
Rhumbline Advisers84,017$182.0K0.00%+2,084+2.5%Added
California State Teachers Retirement System70,024$152.0K0.00%+776+1.1%Added
Tower Research Capital LLC (TRC)68,888$149.0K0.01%+53,100+336.3%Added
Simplex Trading, LLC60,345$130.0K0.01%+39,557+190.3%Added
Group One Trading, L.P.58,938$127.9K0.00%−72,281−55.1%Reduced
Manufacturers Life Insurance Company, The57,112$125.8K0.00%+31,440+122.5%Added
Invesco Ltd.57,847$125.5K0.00%−918,152−94.1%Reduced
FMR LLC56,373$122.3K0.00%−1,230,333−95.6%Reduced
UBS Asset Management Americas Inc54,020$117.2K0.00%+6,069+12.7%Added
Aquatic Capital Management LLC46,500$101.0K0.01%+46,500New
New York State Common Retirement Fund45,030$97.7K0.00%−13,733−23.4%Reduced
Palo Alto Investors LP37,750$81.9K0.01%−1,712,901−97.8%Reduced
Credit Suisse AG34,903$75.7K0.00%−472−1.3%Reduced
Dynamic Technology Lab Private Ltd33,911$74.0K0.01%+5,138+17.9%Added
TD Asset Management Inc33,800$73.3K0.00%+33,800New
American International Group, Inc.29,791$64.6K0.00%−108−0.4%Reduced
Change Path, LLC28,999$63.0K0.00%+2,433+9.2%Added
Sequoia Financial Advisors, LLC28,500$61.8K0.00%+17,500+159.1%Added
Smith, Moore & Co.25,000$54.3K0.01%+10,000+66.7%Added
Voya Investment Management LLC24,100$52.3K0.00%00.0%Unchanged
Principal Financial Group Inc22,520$48.9K0.00%+4,511+25.0%Added
Legal & General Group Plc20,566$44.6K0.00%−410−2.0%Reduced
Walleye Capital LLC18,267$39.6K0.00%+18,267New
State Board of Administration of Florida Retirement System17,071$37.0K0.00%+320+1.9%Added
Royal Bank of Canada17,246$37.0K0.00%+15,621+961.3%Added
Axq Capital, LP16,372$35.5K0.02%+16,372New
Zurcher Kantonalbank (Zurich Cantonalbank)15,977$34.7K0.00%+3,050+23.6%Added
ProShare Advisors LLC15,918$34.5K0.00%+1,072+7.2%Added
Teacher Retirement System of Texas15,760$34.0K0.00%−1,127−6.7%Reduced
Arizona State Retirement System14,581$31.6K0.00%+567+4.0%Added
AQR Capital Management LLC14,473$31.4K0.00%+14,473New
Atom Investors LP12,808$27.8K0.01%+12,808New
Allspring Global Investments Holdings, LLC10,396$22.6K0.00%−26,843−72.1%Reduced
Lazard Asset Management LLC10,502$22.0K0.00%−15,929−60.3%Reduced
Amalgamated Bank10,049$22.0K0.00%00.0%Unchanged
Pictet Asset Management SA10,083$22.0K0.00%+10,083New
Janus Henderson Group PLC10,123$21.9K0.00%+10.0%Added
Texas Yale Capital Corp.10,000$21.7K0.00%+10,000New
Ikarian Capital, LLC6,100$13.2K0.01%−604,307−99.0%Reduced
MetLife Investment Management5,906$12.8K0.00%−28,730−82.9%Reduced
Parallax Volatility Advisers, L.P.5,642$12.2K0.00%+5,642New
Great West Life Assurance Co5,522$12.0K0.00%+745+15.6%Added
Cutler Group LP5,722$12.0K0.00%+3,090+117.4%Added
Denali Advisors LLC4,600$9.98K0.00%00.0%Unchanged