13F

Stock

Gossamer Bio, Inc.

GOSS · held by 210 managers

Reported value

$686.2M

Holders

210

+1 new · −0 exited

Holders’ est. mark

$1.31M

Price effect on 7 books still in the name

Largest holder

$56.1M

NEA Management Company, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
NEA Management Company, LLC18.1M$56.1MHeld
BlackRock, Inc.17.1M$52.9MHeld
Octagon Capital Advisors LP13.9M$43.1MHeld
Vanguard12.9M$39.9MHeld
State Street9.31M$28.9MHeld
ARCH Venture Management, LLC8.06M$25MHeld
Context Capital Management, LLC33.5M$22.7MHeld
SAMSARA BIOCAPITAL, LLC7.22M$22.4MHeld
D. E. Shaw & Co., Inc.30.5M$21.3MHeld
DeepCurrents Investment Group LLC27.9M$18.7MHeld
Rock Springs Capital Management LP12.8M$16.7MHeld
Siren, L.L.C.5.21M$16.1MHeld
683 Capital Management, LLC5.19M$16.1MHeld
UBS Group AG16.8M$15.6MHeld
HHLR ADVISORS, LTD.4.97M$15.4MHeld
GEODE CAPITAL MANAGEMENT, LLC4.87M$15.1MHeld
WOLVERINE ASSET MANAGEMENT LLC22M$14.9MHeld
Shaolin Capital Management LLC21.8M$14.9MHeld
Palo Alto Investors LP4.47M$13.9MHeld
Fidelity4.24M$13.1MHeld
Corient Private Wealth LLC3.85M$11.9MHeld
MILLENNIUM MANAGEMENT LLC3.58M$11.1MHeld
TWO SIGMA INVESTMENTS, LP3.4M$10.5MHeld
PERCEPTIVE ADVISORS LLC3.14M$9.73MHeld
Opaleye Management Inc.2.72M$8.43MHeld
TWO SIGMA ADVISERS, LP2.6M$8.05MHeld
JACOBS LEVY EQUITY MANAGEMENT, INC2.18M$6.75MHeld
SILVERARC CAPITAL MANAGEMENT, LLC2.14M$6.62MHeld
BANK OF AMERICA CORP /DE/1.91M$5.91M$896.1KCut−$1.67M
GOLDMAN SACHS GROUP INC1.79M$5.56MHeld
Alpine Global Management, LLC8K$5.53MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1.69M$5.23MHeld
MB Generational Wealth, LLC1.61M$4.98MHeld
Balyasny Asset Management L.P.1.52M$4.7MHeld
NORTHERN TRUST CORP1.42M$4.39MHeld
WHITEBOX ADVISORS LLC6.5M$4.39MHeld
Monashee Investment Management LLC2.87M$4.38MHeld
ADVENT CAPITAL MANAGEMENT /DE/6M$4.1MHeld
DEUTSCHE BANK AG\1.28M$3.98MHeld
Icahn Capital1.12M$3.47MHeld
Walleye Capital LLC1.08M$3.34MHeld
Integral Health Asset Management, LLC1M$3.1MHeld
AGF MANAGEMENT LTD4.25M$2.87MHeld
MORGAN STANLEY918.9K$2.85M$266.2KAdded$1.36M
Alyeska Investment Group, L.P.909.1K$2.82MHeld
CAPSTONE INVESTMENT ADVISORS, LLC4M$2.72MHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP750.3K$2.33MHeld
Citadel704.8K$2.18MHeld
HIGHBRIDGE CAPITAL MANAGEMENT LLC3M$2.07MHeld
Renaissance Technologies658.9K$2.04MHeld
Hennion & Walsh Asset Management, Inc.653K$2.02MHeld
WELLINGTON MANAGEMENT GROUP LLP601.3K$1.86MHeld
BARCLAYS PLC576.5K$1.79M$127.7KAdded$1.07M
PLATINUM INVESTMENT MANAGEMENT LTD562K$1.74MHeld
Qube Research & Technologies Ltd540.6K$1.68MHeld
Connor, Clark & Lunn Investment Management Ltd.528.1K$1.64MHeld
SILVERBACK ASSET MANAGEMENT LLC500K$1.55MHeld
Invesco Ltd.478.9K$1.48MHeld
XTX Topco Ltd456.3K$1.41MHeld
Exome Asset Management LLC451.7K$1.4MHeld
Bank of New York Mellon Corp447.9K$1.39MHeld
JPMORGAN CHASE & CO428.9K$1.33MHeld
WELLS FARGO & COMPANY/MN361.9K$1.12MHeld
LPL Financial LLC358.9K$1.11MHeld
Rafferty Asset Management, LLC312.8K$969.7KHeld
Monaco Asset Management SAM309.2K$958.6KHeld
Nuveen, LLC308.5K$956.4KHeld
MACKENZIE FINANCIAL CORP306.5K$954.3KHeld
SMITH, MOORE & CO.280K$868KHeld
Informed Momentum Co LLC278.4K$863.1KHeld
Jain Global LLC278.2K$862.4KHeld
SEI INVESTMENTS CO228.9K$709.6KHeld
Squarepoint Ops LLC221.6K$686.9KHeld
RHUMBLINE ADVISERS214.9K$666.1KHeld
ADAR1 Capital Management, LLC212.5K$658.8KHeld
Atom Investors LP205.6K$637.5KHeld
Stonepine Capital Management, LLC204.8K$634.8KHeld
ALLIANCEBERNSTEIN L.P.190.2K$589.7KHeld
BRIDGEWAY CAPITAL MANAGEMENT, LLC176K$545.6KHeld
Russell Investments Group, Ltd.171.1K$530.3KHeld
JANE STREET GROUP, LLC155.6K$482.3KHeld
Merit Financial Group, LLC155.2K$481.1KHeld
PANAGORA ASSET MANAGEMENT INC147.3K$456.6KHeld
Birchview Capital, LP138.2K$428.3KHeld
PRELUDE CAPITAL MANAGEMENT, LLC136.2K$422.2KHeld
Brevan Howard Capital Management LP127.3K$394.6KHeld
PROFUND ADVISORS LLC116.5K$361.2KHeld
Susquehanna Portfolio Strategies, LLC111.3K$345.2KHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.107.5K$333.5KHeld
VICTORY CAPITAL MANAGEMENT INC105.6K$327.2KHeld
EntryPoint Capital, LLC105.1K$325.8KHeld
HB Wealth Management, LLC95.9K$297.4KHeld
Lighthouse Investment Partners, LLC92.5K$286.8KHeld
BNP PARIBAS FINANCIAL MARKETS89.5K$277.4KHeld
Sequoia Financial Advisors, LLC88.5K$274.2KHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP88.5K$274.2KHeld
MetLife Investment Management, LLC85.6K$265.5KHeld
INTECH INVESTMENT MANAGEMENT LLC85.6K$265.3KHeld
VARCOV Co.83.9K$260KHeld
Caprock Group, LLC80K$248KHeld
COMMONWEALTH EQUITY SERVICES, LLC78.8K$244.1KHeld
CHOREO, LLC75.1K$234.3KHeld
Caption Management, LLC75.4K$233.7KHeld
Virtus Investment Advisers, LLC73.9K$229.1KHeld
Velan Capital Investment Management LP70K$217KHeld
HighTower Advisors, LLC66.5K$206.1KHeld
Mariner, LLC64.5K$199.9KHeld
AXQ CAPITAL, LP63.1K$195.7KHeld
Rockefeller Capital Management L.P.60.9K$188.7KHeld
Voleon Capital Management LP60.2K$186.7KHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE58.4K$181.2KHeld
LAZARD ASSET MANAGEMENT LLC56.7K$175.7KHeld
Police & Firemen's Retirement System of New Jersey51.3K$159.1KHeld
Engineers Gate Manager LP51.1K$158.5KHeld
TUDOR INVESTMENT CORP ET AL50K$155K$23.5KAdded$23.2K
CITIGROUP INC49.2K$152.6KHeld
China Universal Asset Management Co., Ltd.47.7K$147.9KHeld
Creative Planning45.6K$141.4KHeld
ProShare Advisors LLC45.3K$140.5KHeld
NEW YORK STATE COMMON RETIREMENT FUND43.6K$135.2KHeld
LETKO, BROSSEAU & ASSOCIATES INC39.4K$122.1KHeld
PRUDENTIAL FINANCIAL INC37.6K$116.6KHeld
OPPENHEIMER & CO INC37.5K$116.3KHeld
VOYA INVESTMENT MANAGEMENT LLC36.5K$113.2KHeld
Graham Capital Management, L.P.36.5K$113KHeld
Sivia Capital Partners, LLC35K$108.6KHeld
Vickerman Investment Advisors, Inc.34.8K$107.8KHeld
Cetera Investment Advisers34.2K$106.2KHeld
AlphaCore Capital LLC26.4K$100.2KHeld
Cerity Partners LLC31.9K$98.9KHeld
MANGROVE PARTNERS IM, LLC30.7K$95.3KHeld
GERBER, LLC28.2K$87.6KHeld
Caitong International Asset Management Co., Ltd27.1K$84KHeld
TWO SIGMA SECURITIES, LLC27.1K$83.9KHeld
STATE OF WISCONSIN INVESTMENT BOARD26.3K$81.5KHeld
MERCER GLOBAL ADVISORS INC /ADV24K$74.3KHeld
Clearstead Advisors, LLC23.7K$73.4KHeld
DRIVE WEALTH MANAGEMENT, LLC21.3K$66.1KHeld
Evernest Financial Advisors, LLC28.4K$64.2KHeld
Legal & General Group Plc20.3K$62.9KHeld
JONES FINANCIAL COMPANIES LLLP19.8K$61.3KHeld
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC24K$59.3KHeld
Tower Research Capital LLC (TRC)17.2K$53.4KHeld
Vanguard Personalized Indexing Management, LLC16.1K$50KHeld
NOMURA HOLDINGS INC16K$49.6KHeld
Kestra Advisory Services, LLC16K$49.6KHeld
Ameritas Investment Partners, Inc.15.9K$49.2KHeld
XPONANCE LLC14.9K$46.2KHeld
Eaton Financial Holdings Company, LLC14.2K$44KHeld
Hudson Bay Capital Management LP14.2K$44KNew
Gladstone Institutional Advisory LLC14.2K$43.9KHeld
SHERBROOKE PARK ADVISERS LLC13.3K$41.4KHeld
O'SHAUGHNESSY ASSET MANAGEMENT, LLC13.1K$40.6KHeld
CIBC WORLD MARKETS CORP12.7K$39.4KHeld
NEUBERGER BERMAN GROUP LLC12.6K$38.9KHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM11.8K$36.7KHeld
PRINCIPAL FINANCIAL GROUP INC11.4K$35.4KHeld
Mirae Asset Global Investments Co., Ltd.11.2K$34.9KHeld
IEQ CAPITAL, LLC11.2K$34.8KHeld
Beacon Pointe Advisors, LLC11K$34.1KHeld
Curi Capital, LLC10.7K$33.1KHeld
MML INVESTORS SERVICES, LLC10.4K$32.1KHeld
Ciovacco Capital Management LLC10.2K$31.6KHeld
NorthCrest Asset Manangement, LLC11.5K$31.5KHeld
Soltis Investment Advisors LLC10.1K$31.3KHeld
Texas Yale Capital Corp.10K$31KHeld
MMA ASSET MANAGEMENT LLC10K$31KHeld
Rialto Wealth Management, LLC5.75K$17.8KHeld
ROYAL BANK OF CANADA5.49K$17KHeld
GF FUND MANAGEMENT CO. LTD.4.55K$14.1KHeld
ACADIAN ASSET MANAGEMENT LLC4.42M$13.7KHeld
SBI Securities Co., Ltd.4.4K$13.6KHeld
SageView Advisory Group, LLC4.1K$12.7KHeld
OSAIC HOLDINGS, INC.2.48K$7.67KHeld
Essential Partners LLC2.43K$7.54K$694Added$3.65K
Aster Capital Management (DIFC) Ltd2.1K$6.51KHeld
Allworth Financial LP2.01K$6.24K$465Added$3.64K
NISA INVESTMENT ADVISORS, LLC2.01K$6.24KHeld
Sterling Capital Management LLC1.26K$3.92KHeld
Steward Partners Investment Advisory, LLC1K$3.1KHeld
Heritage Wealth Advisors1K$3.1KHeld
HRT FINANCIAL LP956.9K$2.97KHeld
IFP Advisors, Inc945$2.93K$75Added$2.51K
Federation des caisses Desjardins du Quebec750$2.33KHeld
EverSource Wealth Advisors, LLC655$2.03KHeld
GAMMA Investing LLC468$1.45KHeld
Farther Finance Advisors, LLC464$1.44KHeld
True Wealth Design, LLC402$1.25KHeld
ALGERT GLOBAL LLC332.3K$1.03KHeld
Cornerstone Financial Management LLC282$874Held
ROTHSCHILD INVESTMENT LLC253$784Held
PNC Financial Services Group, Inc.199$617Held
PRICE T ROWE ASSOCIATES INC /MD/113.1K$351Held
MAI Capital Management85$264Held
Cambridge Investment Research Advisors, Inc.76.9K$239Held
SG Americas Securities, LLC74.1K$230Held
SJS Investment Consulting Inc.59$183Held
GSA CAPITAL PARTNERS LLP51.9K$161Held
CWM, LLC34K$105Held
Arax Advisory Partners30$93Held
Morton Brown Family Wealth, LLC25$78Held
Janney Montgomery Scott LLC12.7K$39Held
AMALGAMATED BANK6.04K$19Held
Daiwa Securities Group Inc.771$2Held
Capital Advisors, Ltd. LLC17$0Held

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.