Titelia

Fund shareholders of Gossamer Bio Inc

ISIN US38341P1021 · United States · LEI 549300ZOC0N2W6PSFR58

Fund shareholders
106
Of which ETFs
21 85 other funds
Value held
10.3M $
Share of capital
6.0 % of 488.8M shares on Aug 8, 2026
FundSharesValueWeight in fundShare of capital
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS 6,910,9342.3M $0.00 %1.41 %as of Mar 31, 2026
iShares Russell 2000 ETF iShares Trust 4,841,5081.6M $0.00 %0.99 %as of Mar 31, 2026
VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS 2,251,634739.7K $0.00 %0.46 %as of Mar 31, 2026
Fidelity Small Cap Index Fund Fidelity Salem Street Trust 1,865,316686.1K $0.00 %0.38 %as of Apr 30, 2026
iShares Russell 2000 Growth ETF iShares Trust 1,593,081523.3K $0.00 %0.33 %as of Mar 31, 2026
iShares Biotechnology ETF iShares Trust 1,510,536496.2K $0.01 %0.31 %as of Mar 31, 2026
Fidelity Extended Market Index Fund Fidelity Concord Street Trust 1,084,307460.7K $0.00 %0.22 %as of Feb 28, 2026
Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST 1,002,740426.1K $0.00 %0.21 %as of Feb 28, 2026
VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS 950,593403.9K $0.00 %0.19 %as of Feb 28, 2026
VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND 546,631232.3K $0.00 %0.11 %as of Feb 28, 2026
iShares Micro-Cap ETF iShares Trust 500,160164.3K $0.01 %0.10 %as of Mar 31, 2026
Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust 474,444174.5K $0.01 %0.10 %as of Apr 30, 2026
Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST 405,885149.3K $0.00 %0.08 %as of Apr 30, 2026
Fidelity Total Market Index Fund Fidelity Concord Street Trust 381,135161.9K $0.00 %0.08 %as of Feb 28, 2026
BlackRock Health Sciences Opportunities Portfolio BlackRock Funds 365,199155.2K $0.00 %0.07 %as of Feb 27, 2026
Master Small Cap Index Series Quantitative Master Series LLC 329,052108.1K $0.00 %0.07 %as of Mar 31, 2026
Fidelity Series Total Market Index Fund Fidelity Concord Street Trust 295,833125.7K $0.00 %0.06 %as of Feb 28, 2026
iShares Core S&P Total U.S. Stock Market ETF iShares Trust 286,93594.3K $0.00 %0.06 %as of Mar 31, 2026
EQ/2000 Managed Volatility Portfolio EQ Advisors Trust 211,99969.6K $0.00 %0.04 %as of Mar 31, 2026
VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS 174,86874.3K $0.01 %0.04 %as of Feb 28, 2026
Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust 149,68863.6K $0.00 %0.03 %as of Feb 28, 2026
Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust 145,47647.8K $0.00 %0.03 %as of Mar 31, 2026
PACE Small/Medium Co Growth Equity Investments PACE SELECT ADVISORS TRUST 145,40453.5K $0.02 %0.03 %as of Apr 30, 2026
LVIP SSGA Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST 138,60045.5K $0.00 %0.03 %as of Mar 31, 2026
Nuveen Small Cap Blend Index Fund TIAA-CREF Funds 132,89448.9K $0.00 %0.03 %as of Apr 30, 2026
VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS 124,65740.9K $0.00 %0.03 %as of Mar 31, 2026
Clearwater Select Equity Fund Clearwater Investment Trust 114,03737.5K $0.01 %0.02 %as of Mar 31, 2026
Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST 110,41746.9K $0.00 %0.02 %as of Feb 28, 2026
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS 107,36835.3K $0.00 %0.02 %as of Mar 31, 2026
EQ/Small Company Index Portfolio EQ Advisors Trust 104,75034.4K $0.00 %0.02 %as of Mar 31, 2026
Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust 99,97636.8K $0.00 %0.02 %as of Apr 30, 2026
Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST 98,77836.3K $0.00 %0.02 %as of Apr 30, 2026
Fidelity Nasdaq Composite Index ETF Fidelity Commonwealth Trust 97,80641.6K $0.00 %0.02 %as of Feb 28, 2026
Global X Russell 2000 ETF GLOBAL X FUNDS 84,61831.1K $0.00 %0.02 %as of Apr 30, 2026
Virtus Biotech Clinical Trials Etf ETFis Series Trust I 76,66828.2K $0.08 %0.02 %as of Apr 30, 2026
SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS 74,01724.3K $0.00 %0.02 %as of Mar 31, 2026
Small Cap Index Fund VALIC Co I 73,09731.1K $0.00 %0.01 %as of Feb 28, 2026
EQ/AB Small Cap Growth Portfolio EQ Advisors Trust 68,07022.4K $0.00 %0.01 %as of Mar 31, 2026
Diversified Equity Master Portfolio Master Investment Portfolio 65,10221.4K $0.00 %0.01 %as of Mar 31, 2026
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST 64,40021.2K $0.00 %0.01 %as of Mar 31, 2026
Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust 64,22623.6K $0.00 %0.01 %as of Apr 30, 2026
Small Cap Index Fund Northern Funds 61,08020.1K $0.00 %0.01 %as of Mar 31, 2026
ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust 60,37619.8K $0.00 %0.01 %as of Mar 31, 2026
iShares Russell 3000 ETF iShares Trust 51,53816.9K $0.00 %0.01 %as of Mar 31, 2026
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF Goldman Sachs ETF Trust 49,91921.2K $0.00 %0.01 %as of Feb 28, 2026
Small-Cap Index Portfolio PACIFIC SELECT FUND 49,61616.3K $0.00 %0.01 %as of Mar 31, 2026
Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds 42,30013.9K $0.00 %0.01 %as of Mar 31, 2026
NVIT Small Cap Index Fund Nationwide Variable Insurance Trust 39,46313K $0.00 %0.01 %as of Mar 31, 2026
Small Cap Index Trust John Hancock Variable Insurance Trust 37,78712.4K $0.00 %0.01 %as of Mar 31, 2026
Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust 36,52412K $0.00 %0.01 %as of Mar 31, 2026
U.S. Small Cap Equity Fund RUSSELL INVESTMENT CO 36,51313.4K $0.00 %0.01 %as of Apr 30, 2026
1290 VT Micro Cap Portfolio EQ Advisors Trust 36,11211.9K $0.01 %0.01 %as of Mar 31, 2026
Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust 35,83913.2K $0.00 %0.01 %as of Apr 30, 2026
SIMT Small Cap Fund SEI INSTITUTIONAL MANAGED TRUST 35,46011.6K $0.00 %0.01 %as of Mar 31, 2026
Invesco Russell 2000 Dynamic Multifactor ETF Invesco Exchange-Traded Self-Indexed Fund Trust 30,71713.1K $0.00 %0.01 %as of Feb 28, 2026
iShares Russell Small/Mid-Cap Index Fund BlackRock Funds 29,51010.9K $0.00 %0.01 %as of Apr 30, 2026
SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST 28,30012K $0.00 %0.01 %as of Feb 28, 2026
EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust 28,1389.2K $0.00 %0.01 %as of Mar 31, 2026
DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS 27,3199K $0.00 %0.01 %as of Mar 31, 2026
SIIT SMALL CAP II FUND SEI INSTITUTIONAL INVESTMENTS TRUST 26,68611.3K $0.00 %0.01 %as of Feb 28, 2026
BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. 23,6487.8K $0.00 %0.00 %as of Mar 31, 2026
T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. 23,4997.7K $0.00 %0.00 %as of Mar 31, 2026
Goldman Sachs Absolute Return Tracker Fund GOLDMAN SACHS TRUST 23,3177.7K $0.00 %0.00 %as of Mar 31, 2026
Victory Extended Market Index Fund Victory Portfolios III 22,9618.4K $0.00 %0.00 %as of Apr 30, 2026
Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC 22,7827.5K $0.00 %0.00 %as of Mar 31, 2026
SIIT SMALL CAP FUND SEI INSTITUTIONAL INVESTMENTS TRUST 22,7509.7K $0.01 %0.00 %as of Feb 28, 2026
Health Sciences Portfolio PACIFIC SELECT FUND 21,8347.2K $0.00 %0.00 %as of Mar 31, 2026
SA Small Cap Index Portfolio SUNAMERICA SERIES TRUST 20,7557.6K $0.00 %0.00 %as of Apr 30, 2026
PD Small-Cap Growth Index Portfolio PACIFIC SELECT FUND 17,6175.8K $0.01 %0.00 %as of Mar 31, 2026
SmallCap Growth Fund I Principal Funds, Inc 17,5866.5K $0.00 %0.00 %as of Apr 30, 2026
VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS 16,6837.1K $0.00 %0.00 %as of Feb 28, 2026
Nationwide Small Cap Index Fund Nationwide Mutual Funds 16,5406.1K $0.00 %0.00 %as of Apr 30, 2026
Strategic Equity Allocation Trust John Hancock Variable Insurance Trust 16,1795.3K $0.00 %0.00 %as of Mar 31, 2026
CVT Russell 2000 Small Cap Index Portfolio Calvert Variable Trust, Inc. 15,8675.2K $0.00 %0.00 %as of Mar 31, 2026
Venerable Small Cap Index Fund Venerable Variable Insurance Trust 15,7315.2K $0.00 %0.00 %as of Mar 31, 2026
VIP Extended Market Index Portfolio Variable Insurance Products Fund II 13,3874.4K $0.00 %0.00 %as of Mar 31, 2026
iShares Total U.S. Stock Market Index Fund BlackRock Funds 13,3034.9K $0.00 %0.00 %as of Apr 30, 2026
Invesco Nasdaq Biotechnology ETF Invesco Exchange-Traded Fund Trust II 12,9115.5K $0.01 %0.00 %as of Feb 28, 2026
Voya VACS Index Series SC Portfolio Voya VARIABLE PORTFOLIOS INC 12,6304.1K $0.00 %0.00 %as of Mar 31, 2026
ProShares Ultra Russell2000 ProShares Trust 11,8935.1K $0.00 %0.00 %as of Feb 28, 2026
Nationwide Fundamental All Cap Equity Portfolio Nationwide Mutual Funds 11,8644.4K $0.00 %0.00 %as of Apr 30, 2026
ProShares UltraPro Russell2000 ProShares Trust 11,8545K $0.00 %0.00 %as of Feb 28, 2026
ProShares Ultra Nasdaq Biotechnology ProShares Trust 10,6874.5K $0.01 %0.00 %as of Feb 28, 2026
U.S. Small Cap Equity Fund RUSSELL INVESTMENT FUNDS 9,8063.2K $0.00 %0.00 %as of Mar 31, 2026
ProShares Russell 2000 High Income ETF ProShares Trust 8,3233.5K $0.00 %0.00 %as of Feb 28, 2026
Morgan Stanley Pathway Small-Mid Cap Equity ETF MORGAN STANLEY PATHWAY FUNDS 7,6143.2K $0.00 %0.00 %as of Feb 28, 2026
Eventide Small Cap ETF Strategy Shares 7,4762.7K $0.01 %0.00 %as of Apr 30, 2026
EQ/Franklin Small Cap Value Managed Volatility Portfolio EQ Advisors Trust 6,6882.2K $0.00 %0.00 %as of Mar 31, 2026
Destinations Small-Mid Cap Equity Fund Brinker Capital Destinations Trust 6,1172.6K $0.00 %0.00 %as of Feb 28, 2026
State Street Total Return V.I.S. Fund STATE STREET VARIABLE INSURANCE SERIES FUNDS INC 5,3031.7K $0.00 %0.00 %as of Mar 31, 2026
Penn Series Small Cap Index Fund Penn Series Funds Inc 5,1001.7K $0.00 %0.00 %as of Mar 31, 2026
VIP Total Market Index Portfolio Variable Insurance Products Fund II 4,9011.6K $0.00 %0.00 %as of Mar 31, 2026
Total Stock Market Index Trust John Hancock Variable Insurance Trust 3,7501.2K $0.00 %0.00 %as of Mar 31, 2026
ULTRA SMALL CAP PROFUND ProFunds 2,170798.1 $0.00 %0.00 %as of Apr 30, 2026
State Street Balanced Index Fund STATE STREET INSTITUTIONAL INVESTMENT TRUST 1,683552.9 $0.00 %0.00 %as of Mar 31, 2026
Knights of Columbus U.S. ALL CAP INDEX FUND ADVISORS' INNER CIRCLE III 1,201441.7 $0.00 %0.00 %as of Apr 30, 2026
Russell 2000 2x Strategy Fund Rydex Dynamic Funds 968318 $0.00 %0.00 %as of Mar 31, 2026
PROFUND VP ULTRA SMALL CAP ProFunds 643211.2 $0.00 %0.00 %as of Mar 31, 2026
PROFUND VP SMALL CAP ProFunds 486159.7 $0.00 %0.00 %as of Mar 31, 2026
Russell 2000 Fund Rydex Series Funds 433142.2 $0.00 %0.00 %as of Mar 31, 2026

Download this table: CSV, JSON

Report an error

The funds most exposed to it

The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.

FundWeight in fund
Virtus Biotech Clinical Trials Etf ETFis Series Trust I 0.08 %as of Apr 30, 2026
PACE Small/Medium Co Growth Equity Investments PACE SELECT ADVISORS TRUST 0.02 %as of Apr 30, 2026
iShares Micro-Cap ETF iShares Trust 0.01 %as of Mar 31, 2026
Eventide Small Cap ETF Strategy Shares 0.01 %as of Apr 30, 2026
Clearwater Select Equity Fund Clearwater Investment Trust 0.01 %as of Mar 31, 2026
Invesco Nasdaq Biotechnology ETF Invesco Exchange-Traded Fund Trust II 0.01 %as of Feb 28, 2026
1290 VT Micro Cap Portfolio EQ Advisors Trust 0.01 %as of Mar 31, 2026
Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust 0.01 %as of Apr 30, 2026
iShares Biotechnology ETF iShares Trust 0.01 %as of Mar 31, 2026
VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS 0.01 %as of Feb 28, 2026

Quarter after quarter

Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.

QuarterShareholdersChangeSharesChange
2026Q2106-1029,336,079-24.2 %
2026Q1116+1638,708,584+20.7 %
2025Q4100+2632,080,421+0.1 %
2025Q374+4732,055,953+45.9 %
2025Q227+121,972,186-2.8 %
2025Q126-322,613,453-6.9 %
2024Q429-124,279,265-1.6 %
2024Q330-124,684,601-6.5 %
2024Q231-526,391,381-5.3 %
2024Q136+427,874,613+87.3 %
2023Q43214,879,725

Institutional managers

178 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.

ManagerSharesValue
BlackRock, Inc.16,826,6955.5M $as of Mar 31, 2026
Kalehua Capital Management LLC10,236,2933.4M $as of Mar 31, 2026
AQR CAPITAL MANAGEMENT LLC10,126,8973.3M $as of Mar 31, 2026
ARCH Venture Management, LLC8,055,9162.6M $as of Mar 31, 2026
Octagon Capital Advisors LP7,750,0002.5M $as of Mar 31, 2026
SAMSARA BIOCAPITAL, LLC7,222,5592.4M $as of Mar 31, 2026
Balyasny Asset Management L.P.5,922,2981.9M $as of Mar 31, 2026
ACADIAN ASSET MANAGEMENT LLC5,277,9041.7K $as of Mar 31, 2026
Siren, L.L.C.5,208,9681.7M $as of Mar 31, 2026
683 Capital Management, LLC5,000,0001.6M $as of Mar 31, 2026
HHLR ADVISORS, LTD.4,974,0411.6M $as of Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC4,939,6911.6M $as of Mar 31, 2026
Qube Research & Technologies Ltd4,917,7631.6M $as of Mar 31, 2026
TWO SIGMA INVESTMENTS, LP4,780,8511.6M $as of Mar 31, 2026
STATE STREET CORP4,388,1091.4M $as of Mar 31, 2026
Corient Private Wealth LLC3,985,3831.3M $as of Mar 31, 2026
Squarepoint Ops LLC3,398,7571.1M $as of Mar 31, 2026
GSA CAPITAL PARTNERS LLP3,254,2331.1K $as of Mar 31, 2026
BANK OF AMERICA CORP /DE/3,173,7251M $as of Mar 31, 2026
BARCLAYS PLC3,065,8061M $as of Mar 31, 2026
Alyeska Investment Group, L.P.2,051,442673.9K $as of Mar 31, 2026
UBS Group AG1,883,583619.7K $as of Mar 31, 2026
Ensign Peak Advisors, Inc1,702,125559.1K $as of Mar 31, 2026
JACOBS LEVY EQUITY MANAGEMENT, INC1,695,159556.9K $as of Mar 31, 2026
Rock Springs Capital Management LP1,609,492528.7K $as of Mar 31, 2026

Declared shareholders of Gossamer Bio Inc

There are 5 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.

ShareholderDeclared stakeShares
683 Capital Management, LLC and 2 others9.99 %49,868,571as of Jun 4, 2026 · SCHEDULE 13G
Context Capital Management, LLC and 4 others9.90 %48,835,788as of Jun 4, 2026 · SCHEDULE 13G
D. E. Shaw Valence Portfolios, L.L.C. and 3 others9.50 %46,485,295as of Jun 4, 2026 · SCHEDULE 13D
DeepCurrents Investment Group LLC and 3 others7.70 %37,665,073as of Jun 4, 2026 · SCHEDULE 13G
Octagon Capital Advisors LP and 2 others3.80 %8,976,054as of Mar 31, 2026 · SCHEDULE 13G
Cite this page

Titelia. "Fund shareholders of Gossamer Bio Inc". https://titelia.com/en/stocks/gossamer-bio-inc-US38341P1021