Titelia

Funds holding MBX Biosciences Inc

ISIN US55287L1017 · United States

Fund holders
166
Of which ETFs
37 129 other funds
Value held
313.3M $
Share of capital
21.4 % of 48.2M shares on Aug 3, 2026
FundSharesValueWeight in fundShare of capital
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS 1,158,77534.6M $0.00 %2.41 %as of Mar 31, 2026
Eventide Healthcare & Life Sciences Fund MUTUAL FUND SERIES TRUST 890,00026.6M $1.67 %1.85 %as of Mar 31, 2026
T. Rowe Price Health Sciences Fund, Inc. T. ROWE PRICE HEALTH SCIENCES FUND, INC. 721,30921.5M $0.20 %1.50 %as of Mar 31, 2026
iShares Russell 2000 ETF iShares Trust 697,65320.8M $0.03 %1.45 %as of Mar 31, 2026
Fidelity Stock Selector Small Cap Fund Fidelity Capital Trust 419,90012.7M $0.18 %0.87 %as of Apr 30, 2026
BlackRock Health Sciences Opportunities Portfolio BlackRock Funds 333,35010.9M $0.17 %0.69 %as of Feb 27, 2026
Fidelity Fund Fidelity Hastings Street Trust 321,1009.6M $0.11 %0.67 %as of Mar 31, 2026
Fidelity Advisor Biotechnology Fund Fidelity Advisor Series VII 304,6009.2M $0.48 %0.63 %as of Apr 30, 2026
Fidelity Small Cap Growth Fund Fidelity Securities Fund 301,6409.1M $0.11 %0.63 %as of Apr 30, 2026
Fidelity Advisor Health Care Fund Fidelity Advisor Series VII 300,0009.1M $0.31 %0.62 %as of Apr 30, 2026
Fidelity Series Small Cap Opportunities Fund Fidelity Securities Fund 294,9008.9M $0.18 %0.61 %as of Apr 30, 2026
VIP Contrafund Portfolio Variable Insurance Products Fund II 286,9008.6M $0.03 %0.60 %as of Mar 31, 2026
VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS 282,9208.4M $0.01 %0.59 %as of Mar 31, 2026
Fidelity Small Cap Index Fund Fidelity Salem Street Trust 281,9738.5M $0.03 %0.59 %as of Apr 30, 2026
Select Health Care Portfolio Fidelity Select Portfolios 280,0009.1M $0.15 %0.58 %as of Feb 28, 2026
iShares Russell 2000 Value ETF iShares Trust 243,1597.3M $0.06 %0.50 %as of Mar 31, 2026
State Street(R) SPDR(R) S&P(R) Pharmaceuticals ETF SPDR SERIES TRUST 200,7446M $1.95 %0.42 %as of Mar 31, 2026
iShares Biotechnology ETF iShares Trust 199,5996M $0.07 %0.41 %as of Mar 31, 2026
Fidelity Small Cap Growth K6 Fund Fidelity Securities Fund 152,2104.6M $0.11 %0.32 %as of Apr 30, 2026
VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS 141,1104.6M $0.03 %0.29 %as of Feb 28, 2026
Fidelity Extended Market Index Fund Fidelity Concord Street Trust 131,1364.3M $0.01 %0.27 %as of Feb 28, 2026
Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST 121,5774M $0.02 %0.25 %as of Feb 28, 2026
Driehaus Micro Cap Growth Fund Driehaus Mutual Funds 114,1233.4M $0.74 %0.24 %as of Mar 31, 2026
THE HARTFORD SMALL COMPANY FUND HARTFORD MUTUAL FUNDS, INC 103,7773.1M $0.47 %0.22 %as of Apr 30, 2026
iShares Micro-Cap ETF iShares Trust 71,7592.1M $0.18 %0.15 %as of Mar 31, 2026
iShares U.S. Pharmaceuticals ETF iShares Trust 70,2802.1M $0.21 %0.15 %as of Mar 31, 2026
VictoryShares US Small Mid Cap Value Momentum ETF Victory Portfolios II 67,9652M $0.14 %0.14 %as of Mar 31, 2026
VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND 67,1792.2M $0.01 %0.14 %as of Feb 28, 2026
Adara Smaller Companies Fund RBB Fund, Inc. 67,0712.2M $0.29 %0.14 %as of Feb 28, 2026
Fidelity Advisor New Insights Fund Fidelity Contrafund 63,9001.9M $0.01 %0.13 %as of Mar 31, 2026
Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST 62,0871.9M $0.03 %0.13 %as of Apr 30, 2026
Fidelity Small Cap Discovery Fund Fidelity Concord Street Trust 54,3001.6M $0.07 %0.11 %as of Apr 30, 2026
VANGUARD U.S. MOMENTUM FACTOR ETF VANGUARD WELLINGTON FUND 51,8551.7M $0.12 %0.11 %as of Feb 28, 2026
VIP Health Care Portfolio Variable Insurance Products Fund IV 50,0001.5M $0.15 %0.10 %as of Mar 31, 2026
Fidelity Series Small Cap Discovery Fund Fidelity Concord Street Trust 47,7001.4M $0.07 %0.10 %as of Apr 30, 2026
Fidelity Total Market Index Fund Fidelity Concord Street Trust 46,6241.5M $0.00 %0.10 %as of Feb 28, 2026
Master Small Cap Index Series Quantitative Master Series LLC 44,9721.3M $0.03 %0.09 %as of Mar 31, 2026
T. Rowe Price Health Sciences Portfolio T. ROWE PRICE EQUITY SERIES, INC. 44,0281.3M $0.20 %0.09 %as of Mar 31, 2026
JPMorgan Small Cap Value Fund JPMorgan Trust II 43,2501.3M $0.11 %0.09 %as of Mar 31, 2026
Dimensional U.S. Small Cap ETF Dimensional ETF Trust 40,9651.2M $0.01 %0.09 %as of Apr 30, 2026
ALPS Medical Breakthroughs ETF ALPS ETF TRUST 40,0221.3M $0.94 %0.08 %as of Feb 28, 2026
iShares Core S&P Total U.S. Stock Market ETF iShares Trust 39,6971.2M $0.00 %0.08 %as of Mar 31, 2026
Fidelity Enhanced Small Cap ETF Fidelity Covington Trust 38,0701.1M $0.03 %0.08 %as of Mar 31, 2026
Fidelity Series Total Market Index Fund Fidelity Concord Street Trust 36,6731.2M $0.00 %0.08 %as of Feb 28, 2026
Fidelity Fundamental Small-Mid Cap ETF Fidelity Covington Trust 36,3061.1M $0.08 %0.08 %as of Apr 30, 2026
Fidelity Small Cap Value Index Fund Fidelity Salem Street Trust 35,3271.1M $0.06 %0.07 %as of Mar 31, 2026
Fidelity Series Opportunistic Insights Fund Fidelity Contrafund 34,7001M $0.01 %0.07 %as of Mar 31, 2026
Nuveen Small Cap Blend Index Fund TIAA-CREF Funds 34,6001M $0.03 %0.07 %as of Apr 30, 2026
Roundhill GLP-1 & Weight Loss ETF Roundhill ETF Trust 34,2641M $1.99 %0.07 %as of Mar 31, 2026
Nuveen Equity Index Fund TIAA-CREF Funds 32,920994.8K $0.00 %0.07 %as of Apr 30, 2026
HARTFORD SMALL COMPANY HLS FUND HARTFORD SERIES FUND INC 31,399937.3K $0.24 %0.07 %as of Mar 31, 2026
EQ/2000 Managed Volatility Portfolio EQ Advisors Trust 30,573912.6K $0.03 %0.06 %as of Mar 31, 2026
Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust 25,970845.3K $0.00 %0.05 %as of Feb 28, 2026
Destinations Small-Mid Cap Equity Fund Brinker Capital Destinations Trust 25,346825K $0.11 %0.05 %as of Feb 28, 2026
JPMorgan U.S. Small Company Fund JPMorgan Trust I 25,136750.3K $0.08 %0.05 %as of Mar 31, 2026
VANGUARD RUSSELL 2000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS 21,033684.6K $0.06 %0.04 %as of Feb 28, 2026
Avantis U.S. Small Cap Equity ETF American Century ETF Trust 20,222658.2K $0.03 %0.04 %as of Feb 28, 2026
Small Cap Stock Trust John Hancock Variable Insurance Trust 19,872593.2K $0.24 %0.04 %as of Mar 31, 2026
Health Sciences Portfolio PACIFIC SELECT FUND 19,741589.3K $0.17 %0.04 %as of Mar 31, 2026
VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS 19,276575.4K $0.00 %0.04 %as of Mar 31, 2026
LVIP SSGA Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST 19,200573.1K $0.03 %0.04 %as of Mar 31, 2026
Health Sciences Trust John Hancock Variable Insurance Trust 17,761530.2K $0.23 %0.04 %as of Mar 31, 2026
U.S. SMALL CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC 16,901510.7K $0.00 %0.04 %as of Apr 30, 2026
U.S. MICRO CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC 16,825508.5K $0.01 %0.03 %as of Apr 30, 2026
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS 16,469491.6K $0.00 %0.03 %as of Mar 31, 2026
Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST 15,891480.2K $0.00 %0.03 %as of Apr 30, 2026
EQ/Small Company Index Portfolio EQ Advisors Trust 15,500462.7K $0.03 %0.03 %as of Mar 31, 2026
Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST 15,071490.6K $0.00 %0.03 %as of Feb 28, 2026
Optimize Strategy Index ETF Advisor Managed Portfolios 14,508433.1K $0.21 %0.03 %as of Mar 31, 2026
Fidelity Nasdaq Composite Index ETF Fidelity Commonwealth Trust 13,840450.5K $0.01 %0.03 %as of Feb 28, 2026
Small Cap Index Fund Northern Funds 13,300397K $0.03 %0.03 %as of Mar 31, 2026
Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust 12,974392.1K $0.00 %0.03 %as of Apr 30, 2026
MassMutual Small Cap Growth Equity Fund MASSMUTUAL SELECT FUNDS 12,832383K $0.07 %0.03 %as of Mar 31, 2026
Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust 12,689378.8K $0.00 %0.03 %as of Mar 31, 2026
EQ/T.Rowe Price Health Sciences Portfolio EQ Advisors Trust 12,465372.1K $0.23 %0.03 %as of Mar 31, 2026
Global X Russell 2000 ETF GLOBAL X FUNDS 12,353373.3K $0.03 %0.03 %as of Apr 30, 2026
JPMorgan Small Cap Value Portfolio Brighthouse Funds Trust I 11,619346.8K $0.11 %0.02 %as of Mar 31, 2026
Small Cap Index Fund VALIC Co I 11,217365.1K $0.03 %0.02 %as of Feb 28, 2026
Fidelity MSCI Health Care Index ETF FIDELITY COVINGTON TRUST 10,305311.4K $0.01 %0.02 %as of Apr 30, 2026
EQ/AB Small Cap Growth Portfolio EQ Advisors Trust 9,900295.5K $0.02 %0.02 %as of Mar 31, 2026
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST 9,900295.5K $0.01 %0.02 %as of Mar 31, 2026
MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II 9,444281.9K $0.03 %0.02 %as of Mar 31, 2026
Virtus Biotech Clinical Trials Etf ETFis Series Trust I 9,242279.3K $0.75 %0.02 %as of Apr 30, 2026
Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust 8,908269.2K $0.01 %0.02 %as of Apr 30, 2026
Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust 8,774265.2K $0.00 %0.02 %as of Apr 30, 2026
ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust 8,564255.6K $0.03 %0.02 %as of Mar 31, 2026
NYLIM VP Wellington Small Cap Portfolio NEW YORK LIFE INVESTMENTS VP FUNDS TRUST 8,077241.1K $0.07 %0.02 %as of Mar 31, 2026
Goldman Sachs Small Cap Value Insights Fund Goldman Sachs Trust 7,977241.1K $0.02 %0.02 %as of Apr 30, 2026
iShares Russell 3000 ETF iShares Trust 7,646228.2K $0.00 %0.02 %as of Mar 31, 2026
Ultra-Small Company Market Fund Bridgeway Funds, Inc. 7,500223.9K $0.18 %0.02 %as of Mar 31, 2026
Small-Cap Index Portfolio PACIFIC SELECT FUND 7,349219.4K $0.03 %0.02 %as of Mar 31, 2026
T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. 7,119212.5K $0.02 %0.01 %as of Mar 31, 2026
PROFUND VP PHARMACEUTICALS ProFunds 6,369190.1K $1.87 %0.01 %as of Mar 31, 2026
Direxion Daily Pharmaceutical & Medical Bull 3X Shares Direxion Shares ETF Trust 5,866177.3K $1.37 %0.01 %as of Apr 30, 2026
Multi-Manager U.S. Small Cap Equity Fund Goldman Sachs Trust II 5,828176.1K $0.05 %0.01 %as of Apr 30, 2026
Invesco Russell 2000 Dynamic Multifactor ETF Invesco Exchange-Traded Self-Indexed Fund Trust 5,730186.5K $0.07 %0.01 %as of Feb 28, 2026
College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund 5,670169.2K $0.00 %0.01 %as of Mar 31, 2026
NVIT Small Cap Index Fund Nationwide Variable Insurance Trust 5,647168.6K $0.03 %0.01 %as of Mar 31, 2026
Dimensional U.S. Equity Market ETF Dimensional ETF Trust 5,577168.5K $0.00 %0.01 %as of Apr 30, 2026
LVIP JPMorgan Small Cap Core Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST 5,527165K $0.08 %0.01 %as of Mar 31, 2026

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The funds most exposed to it

The weight is the share of a fund's net assets. The holders table counts shares; this one measures what the company weighs inside each fund.

FundWeight in fund
Roundhill GLP-1 & Weight Loss ETF Roundhill ETF Trust 1.99 %as of Mar 31, 2026
State Street(R) SPDR(R) S&P(R) Pharmaceuticals ETF SPDR SERIES TRUST 1.95 %as of Mar 31, 2026
PROFUND VP PHARMACEUTICALS ProFunds 1.87 %as of Mar 31, 2026
Eventide Healthcare & Life Sciences Fund MUTUAL FUND SERIES TRUST 1.67 %as of Mar 31, 2026
Direxion Daily Pharmaceutical & Medical Bull 3X Shares Direxion Shares ETF Trust 1.37 %as of Apr 30, 2026
PHARMACEUTICALS ULTRASECTOR PROFUND ProFunds 1.35 %as of Apr 30, 2026
ALPS Medical Breakthroughs ETF ALPS ETF TRUST 0.94 %as of Feb 28, 2026
Virtus Biotech Clinical Trials Etf ETFis Series Trust I 0.75 %as of Apr 30, 2026
Driehaus Micro Cap Growth Fund Driehaus Mutual Funds 0.74 %as of Mar 31, 2026
Fidelity Advisor Biotechnology Fund Fidelity Advisor Series VII 0.48 %as of Apr 30, 2026

Quarter after quarter

Each SEC quarterly data set, newest first. The change is read against the quarter before it.

QuarterHoldersChangeSharesChange
2026Q2166+5110,329,986+58.1 %
2026Q1115+156,534,965+22.7 %
2025Q4100+135,324,986+78.2 %
2025Q387-22,988,454+39.0 %
2025Q289+192,150,079+20.4 %
2025Q170+591,786,505+242.9 %
2024Q411520,959

Institutional managers

149 managers declare this company to the SEC (Form 13F); the 25 largest follow.

ManagerSharesValue
Frazier Life Sciences Management, L.P.6,652,013198.6M $as of Mar 31, 2026
ORBIMED ADVISORS LLC3,637,887108.6M $as of Mar 31, 2026
NEA Management Company, LLC3,614,486107.9M $as of Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP3,191,82495.3M $as of Mar 31, 2026
BlackRock, Inc.2,941,40687.8M $as of Mar 31, 2026
FMR LLC2,936,68487.7M $as of Mar 31, 2026
Deep Track Capital, LP2,757,56982.3M $as of Mar 31, 2026
NVP ASSOCIATES, LLC 2,136,33563.8M $as of Mar 31, 2026
Polar Capital Holdings Plc1,622,18648.4M $as of Mar 31, 2026
BRAIDWELL LP1,492,46744.6M $as of Mar 31, 2026
Aaron Wealth Advisors LLC1,168,17634.9M $as of Mar 31, 2026
Cormorant Asset Management, LP1,120,00033.4M $as of Mar 31, 2026
PRICE T ROWE ASSOCIATES INC /MD/1,029,00730.7K $as of Mar 31, 2026
Driehaus Capital Management LLC1,018,21230.4M $as of Mar 31, 2026
Kynam Capital Management, LP934,79927.9M $as of Mar 31, 2026
CITADEL ADVISORS LLC932,83327.8M $as of Mar 31, 2026
Woodline Partners LP900,06326.9M $as of Mar 31, 2026
EVENTIDE ASSET MANAGEMENT, LLC890,00026.6M $as of Mar 31, 2026
Caligan Partners LP848,59025.3M $as of Mar 31, 2026
Parkman Healthcare Partners LLC800,03723.9M $as of Mar 31, 2026
STATE STREET CORP787,20823.5M $as of Mar 31, 2026
EcoR1 Capital, LLC777,00023.2M $as of Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC670,38520M $as of Mar 31, 2026
TCG Crossover Management, LLC650,00019.4M $as of Mar 31, 2026
MILLENNIUM MANAGEMENT LLC564,41516.8M $as of Mar 31, 2026

Declared shareholders of MBX Biosciences Inc

3 beneficial ownership filings. These stakes do not add up: an asset manager filing aggregates its own funds, already counted above.

ShareholderDeclared stakeShares
FMR LLC and 1 other6.20 %2,936,684as of Mar 31, 2026 · SCHEDULE 13G
Paradigm BioCapital Advisors LP and 3 others5.20 %2,493,015as of Jun 16, 2026 · SCHEDULE 13G
BlackRock, Inc. 4.80 %2,287,497as of Mar 31, 2026 · SCHEDULE 13G
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Titelia. "Funds holding MBX Biosciences Inc". https://titelia.com/en/stocks/mbx-biosciences-inc-US55287L1017