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Livermore
Livermore
ZHEN

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.

Q2 2025 vs. Q1 2025

How the institutions holding Gossamer Bio, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of GOSS: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders119124+5
Shares169.6M176.8M+7.20M (+4.2%)
Value$186.9M$218.0M+$31.1M (+16.6%)

New holders (32)

Institutions that held Gossamer Bio, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to GOSS in Q2 2025
InstitutionSharesValue% of portfolio
Ameriprise Financial Inc434,049$533.9K0.00%
Nuveen, LLC246,864$303.6K0.00%
Rhumbline Advisers231,049$284.2K0.00%
Alps Advisors Inc122,644$150.9K0.00%
MetLife Investment Management115,813$142.4K0.00%
State of Wyoming105,175$129.4K0.02%
Mirae Asset Global ETFs Holdings Ltd.103,947$127.9K0.00%
XTX Topco Ltd98,976$121.7K0.01%
Intech Investment Management LLC98,303$120.9K0.00%
Quadrature Capital Ltd95,796$116.9K0.00%
New York State Common Retirement Fund77,000$94.7K0.00%
Manufacturers Life Insurance Company, The72,061$88.6K0.00%
LPL Financial LLC67,000$82.4K0.00%
D. E. Shaw & Co., Inc.56,808$69.9K0.00%
Voya Investment Management LLC54,428$66.9K0.00%
Police & Firemen's Retirement System of New Jersey42,915$52.8K0.00%
ProShare Advisors LLC38,946$47.9K0.00%
Alliancebernstein L.P.26,420$32.5K0.00%
Caption Management, LLC25,480$31.3K0.00%
CIBC World Markets Corp23,401$28.8K0.00%
Banco BTG Pactual S.A.22,009$27.1K0.01%
Legal & General Group Plc21,159$26.0K0.00%
Ameritas Investment Partners, Inc.19,391$23.9K0.00%
HSBC Holdings PLC18,066$23.0K0.00%
Xponance, Inc.14,677$18.1K0.00%
Principal Financial Group Inc13,508$16.6K0.00%
California State Teachers Retirement System11,850$14.6K0.00%
Dauntless Investment Group, LLC10,000$12.3K0.06%
Jones Financial Companies LLLP7,333$9.17K0.00%
Amalgamated Bank6,486$8.00K0.00%
Sterling Capital Management LLC459$5650.00%
Raymond James Financial Inc270$3320.00%

Sold out (27)

Institutions that held Gossamer Bio, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of GOSS in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Marshall Wace, LLP1,713,655$1.89M
Jane Street Group, LLC683,423$751.8K
Allostery Investments LP613,028$674.3K
HRT Financial LP389,452$428.0K
Omers Administration Corp351,600$386.8K
Balyasny Asset Management LLC289,265$318.2K
Diadema Partners LP269,589$296.5K
Squarepoint Ops LLC217,921$239.7K
Jain Global LLC199,902$219.9K
Cubist Systematic Strategies, LLC194,031$213.4K
Quantessence Capital LLC118,349$130.2K
LMR Partners LLP115,649$127.2K
ExodusPoint Capital Management, LP105,056$116.0K
Jefferies Financial Group Inc.100,000$110.0K
Point72 Asia (Singapore) Pte. Ltd.83,130$91.4K
Financial Advocates Investment Management78,616$86.5K
Persistent Asset Partners Ltd61,984$68.2K
Catalyst Funds Management Pty Ltd52,039$57.2K
HB Wealth Management, LLC46,700$51.4K
Hudson Bay Capital Management LP36,900$40.6K
Virtu Financial LLC34,971$38.0K
Brevan Howard Capital Management LP23,672$26.0K
Traynor Capital Management, Inc.23,272$25.6K
CTC Alternative Strategies, Ltd.16,600$18.3K
Point72 (DIFC) Ltd12,700$14.0K
Moors & Cabot, Inc.11,000$12.1K
PFS Partners, LLC50$55