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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 2026 vs. Q1 2026

How the institutions holding Gossamer Bio, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of GOSS: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders1851170−14
Shares169.8M320.0K370.6M+201.1M (+118.7%)
Value$56.3M$105.1K$60.8M+$4.63M (+8.2%)

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (28)

Institutions that held Gossamer Bio, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to GOSS in Q2 2026
InstitutionSharesValue% of portfolio
DeepCurrents Investment Group LLC37,665,073$6.03M0.21%
Context Capital Management, LLC28,946,459$4.76M0.10%
Worth Venture Partners, LLC25,017,881$4.12M9.29%
Wolverine Asset Management LLC12,894,746$2.12M0.03%
Arrowstreet Capital, Limited Partnership7,573,388$1.25M0.00%
Marshall Wace, LLP2,114,988$338.4K0.00%
Eventide Asset Management, LLC163,440$26.8K0.00%
Schonfeld Strategic Advisors LLC132,888$21.9K0.00%
SRS Capital Advisors, Inc.108,204$17.8K0.00%
Bronte Capital Management Pty Ltd.67,754$11.2K0.00%
Two Sigma Securities, LLC58,064$9.56K0.00%
Y-Intercept (Hong Kong) Ltd43,210$7.11K0.00%
Prospera Financial Services Inc42,123$6.93K0.00%
StoneX Group Inc.27,556$6.19K0.00%
Capstone Wealth Management, LLC24,602$4.05K0.00%
Mainsail Asset Management, LLC22,035$3.75K0.00%
GWM Advisors LLC21,893$3.60K0.00%
Envestnet Asset Management Inc18,835$3.10K0.00%
Evolve Private Wealth, LLC17,643$2.90K0.00%
HB Wealth Management, LLC16,451$2.71K0.00%
Citizens Financial Group Inc13,478$2.22K0.00%
Axxcess Wealth Management, LLC12,008$1.98K0.00%
Atlas Legacy Advisors, LLC12,008$1.98K0.00%
Warren Averett Asset Management, LLC10,773$1.77K0.00%
Wealth Enhancement Trust Services, Inc.3,039$5000.00%
Planning Strategies Inc.2,764$4550.00%
GAMMA Investing LLC1,250$2060.00%
Caitong International Asset Management Co., Ltd1$00.00%

Sold out (42)

Institutions that held Gossamer Bio, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of GOSS in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Alliancebernstein L.P.190,220$589.7K
Rock Springs Capital Management LP1,609,492$528.7K
Mackenzie Financial Corp1,536,923$504.9K
Voya Investment Management LLC866,615$284.7K
XTX Topco Ltd679,125$223.1K
Connor, Clark & Lunn Investment Management Ltd.658,221$216.2K
Price T Rowe Associates Inc132,026$44.0K
Los Angeles Capital Management LLC131,216$43.1K
Nine Masts Capital Ltd114,766$37.7K
Victory Capital Management Inc107,141$35.2K
Mirae Asset Global ETFs Holdings Ltd.91,418$30.0K
Virtus Investment Advisers, Inc.75,746$24.9K
Caption Management, LLC71,282$23.4K
Intech Investment Management LLC54,002$17.7K
Police & Firemen's Retirement System of New Jersey51,314$16.9K
New York State Common Retirement Fund43,600$14.3K
Letko, Brosseau & Associates Inc39,400$12.9K
ProShare Advisors LLC38,206$12.6K
Alpine Global Management, LLC32,827$10.8K
SEI Investments Co31,520$10.4K
Axq Capital, LP20,421$6.71K
Angeles Wealth Management, LLC20,000$6.57K
Principal Financial Group Inc17,586$5.78K
Legal & General Group Plc17,298$5.68K
Xponance, Inc.17,201$5.65K
Bridgeway Capital Management, LLC16,000$5.26K
Ameritas Investment Partners, Inc.15,867$5.21K
Brinker Capital Investments, LLC15,220$5.00K
Stratos Wealth Partners, LTD.12,812$4.21K
Janney Montgomery Scott LLC11,200$4.00K
Beese Fulmer Investment Management, Inc.11,135$3.66K
State of Wyoming10,941$3.59K
Baader Bank INC16,077$3.47K
California State Teachers Retirement System10,399$3.42K
MML Investors Services, LLC10,000$3.29K
GF Fund Management Co. Ltd.5,173$1.70K
Wealth Preservation Advisors, LLC1,504$494
Sterling Capital Management LLC1,265$416
Steward Partners Investment Advisory, LLC1,000$329
Natixis920$302
Cornerstone Financial Management LLC282$93
Morton Brown Family Wealth, LLC25$8

Not filed for Q2 2026 yet (1)

Institutions that held Gossamer Bio, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding GOSS in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
CWM, LLC319,995$105.1K