Titelia

Fund shareholders of Altimmune Inc

ISIN US02155H2004 · United States · LEI 549300EOYCQ8SW3NVE64

Fund shareholders
135
Of which ETFs
26 109 other funds
Value held
≈ 94.2M $ 94M $ · 215K €
Share of capital
15.6 % of 194.5M shares on Aug 7, 2026
FundSharesValueWeight in fundShare of capital
State Street(R) SPDR(R) S&P(R) Biotech ETF SPDR SERIES TRUST 4,353,09113.4M $0.18 %2.24 %as of Mar 31, 2026
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS 4,107,27112.7M $0.00 %2.11 %as of Mar 31, 2026
iShares Russell 2000 ETF iShares Trust 3,143,1249.7M $0.01 %1.62 %as of Mar 31, 2026
Nuveen Quant Small Cap Equity Fund TIAA-CREF Funds 1,887,7764.9M $0.13 %0.97 %as of Apr 30, 2026
VANGUARD STRATEGIC EQUITY FUND VANGUARD HORIZON FUNDS 1,834,7475.7M $0.06 %0.94 %as of Mar 31, 2026
VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS 1,415,4944.4M $0.01 %0.73 %as of Mar 31, 2026
Fidelity Small Cap Index Fund Fidelity Salem Street Trust 1,291,2723.4M $0.01 %0.66 %as of Apr 30, 2026
VANGUARD EXPLORER FUND VANGUARD EXPLORER FUND 1,213,5133.2M $0.01 %0.62 %as of Apr 30, 2026
iShares Russell 2000 Growth ETF iShares Trust 1,063,0113.3M $0.03 %0.55 %as of Mar 31, 2026
iShares Biotechnology ETF iShares Trust 926,6102.9M $0.04 %0.48 %as of Mar 31, 2026
VANGUARD STRATEGIC SMALL-CAP EQUITY FUND VANGUARD HORIZON FUNDS 628,1831.9M $0.08 %0.32 %as of Mar 31, 2026
BlackRock Advantage Small Cap Core Fund BlackRock Funds 600,1452.6M $0.06 %0.31 %as of Feb 27, 2026
Fidelity Enhanced Small Cap ETF Fidelity Covington Trust 573,8621.8M $0.04 %0.30 %as of Mar 31, 2026
Fidelity Extended Market Index Fund Fidelity Concord Street Trust 550,8712.4M $0.01 %0.28 %as of Feb 28, 2026
VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS 438,8301.9M $0.01 %0.23 %as of Feb 28, 2026
Dimensional U.S. Small Cap ETF Dimensional ETF Trust 414,8211.1M $0.01 %0.21 %as of Apr 30, 2026
VANGUARD MARKET NEUTRAL FUND VANGUARD MONTGOMERY FUNDS 343,7071.1M $0.25 %0.18 %as of Mar 31, 2026
iShares Micro-Cap ETF iShares Trust 329,0201M $0.08 %0.17 %as of Mar 31, 2026
Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST 286,661745.3K $0.01 %0.15 %as of Apr 30, 2026
SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS 276,644852.1K $0.06 %0.14 %as of Mar 31, 2026
VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND 265,5441.1M $0.01 %0.14 %as of Feb 28, 2026
Direxion Daily S&P Biotech Bull 3X Shares Direxion Shares ETF Trust 248,923647.2K $0.12 %0.13 %as of Apr 30, 2026
U.S. MICRO CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC 223,496581.1K $0.01 %0.11 %as of Apr 30, 2026
Master Small Cap Index Series Quantitative Master Series LLC 212,086653.2K $0.01 %0.11 %as of Mar 31, 2026
Fidelity Total Market Index Fund Fidelity Concord Street Trust 199,312859K $0.00 %0.10 %as of Feb 28, 2026
iShares Core S&P Total U.S. Stock Market ETF iShares Trust 196,931606.5K $0.00 %0.10 %as of Mar 31, 2026
BlackRock Advantage Small Cap Growth Fund BlackRock Funds 180,362555.5K $0.08 %0.09 %as of Mar 31, 2026
Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust 169,887441.7K $0.02 %0.09 %as of Apr 30, 2026
Nuveen Small Cap Blend Index Fund TIAA-CREF Funds 155,776405K $0.01 %0.08 %as of Apr 30, 2026
Fidelity Series Total Market Index Fund Fidelity Concord Street Trust 150,863650.2K $0.00 %0.08 %as of Feb 28, 2026
College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund 141,468435.7K $0.00 %0.07 %as of Mar 31, 2026
EQ/2000 Managed Volatility Portfolio EQ Advisors Trust 132,969409.5K $0.01 %0.07 %as of Mar 31, 2026
Nomura Healthcare Fund Delaware Group Equity Funds IV 100,000308K $0.05 %0.05 %as of Mar 31, 2026
Nuveen Equity Index Fund TIAA-CREF Funds 99,727259.3K $0.00 %0.05 %as of Apr 30, 2026
Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust 99,213305.6K $0.03 %0.05 %as of Mar 31, 2026
ALPS Medical Breakthroughs ETF ALPS ETF TRUST 92,999400.8K $0.29 %0.05 %as of Feb 28, 2026
VIP Disciplined Small Cap Portfolio Variable Insurance Products Fund II 90,074277.4K $0.05 %0.05 %as of Mar 31, 2026
VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS 81,151349.8K $0.02 %0.04 %as of Feb 28, 2026
BIOTECHNOLOGY ULTRASECTOR PROFUND ProFunds 77,039200.3K $0.11 %0.04 %as of Apr 30, 2026
VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS 76,727236.3K $0.00 %0.04 %as of Mar 31, 2026
Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust 71,457185.8K $0.00 %0.04 %as of Apr 30, 2026
Diversified Equity Master Portfolio Master Investment Portfolio 70,553217.3K $0.01 %0.04 %as of Mar 31, 2026
Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust 65,523282.4K $0.00 %0.03 %as of Feb 28, 2026
Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST 65,000169K $0.00 %0.03 %as of Apr 30, 2026
Small Cap Index Fund Northern Funds 64,044197.3K $0.01 %0.03 %as of Mar 31, 2026
GMO U.S. Equity Fund GMO TRUST 62,056267.5K $0.12 %0.03 %as of Feb 28, 2026
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS 57,605177.4K $0.00 %0.03 %as of Mar 31, 2026
Global X Russell 2000 ETF GLOBAL X FUNDS 56,560147.1K $0.01 %0.03 %as of Apr 30, 2026
BlackRock Advantage SMID Cap Fund, Inc. BlackRock Advantage SMID Cap Fund, Inc. 54,155166.8K $0.02 %0.03 %as of Mar 31, 2026
LVIP SSGA Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST 52,700162.3K $0.01 %0.03 %as of Mar 31, 2026
Virtus Biotech Clinical Trials Etf ETFis Series Trust I 52,374136.2K $0.36 %0.03 %as of Apr 30, 2026
Avantis U.S. Small Cap Equity ETF American Century ETF Trust 51,273221K $0.01 %0.03 %as of Feb 28, 2026
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST 44,500137.1K $0.01 %0.02 %as of Mar 31, 2026
GMO U.S. Small Cap Value Fund GMO TRUST 44,302190.9K $0.44 %0.02 %as of Feb 28, 2026
Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust 43,443113K $0.00 %0.02 %as of Apr 30, 2026
EQ/Small Company Index Portfolio EQ Advisors Trust 43,300133.4K $0.01 %0.02 %as of Mar 31, 2026
MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II 41,911129.1K $0.01 %0.02 %as of Mar 31, 2026
Nuveen Life Small Cap Equity Fund TIAA-CREF Life Funds 39,428121.4K $0.17 %0.02 %as of Mar 31, 2026
Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II 36,028155.3K $0.00 %0.02 %as of Feb 28, 2026
Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust 34,43989.5K $0.00 %0.02 %as of Apr 30, 2026
Small Cap Index Fund VALIC Co I 34,369148.1K $0.01 %0.02 %as of Feb 28, 2026
Small-Cap Index Portfolio PACIFIC SELECT FUND 33,857104.3K $0.01 %0.02 %as of Mar 31, 2026
ATM Small Cap Managed Volatility Portfolio EQ Advisors Trust 31,61597.4K $0.01 %0.02 %as of Mar 31, 2026
NVIT Small Cap Index Fund Nationwide Variable Insurance Trust 25,67879.1K $0.01 %0.01 %as of Mar 31, 2026
Dimensional U.S. Equity Market ETF Dimensional ETF Trust 25,40866.1K $0.00 %0.01 %as of Apr 30, 2026
iShares Russell Small/Mid-Cap Index Fund BlackRock Funds 24,85864.6K $0.01 %0.01 %as of Apr 30, 2026
Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust 24,60575.8K $0.00 %0.01 %as of Mar 31, 2026
Small Cap Index Trust John Hancock Variable Insurance Trust 23,81773.4K $0.01 %0.01 %as of Mar 31, 2026
PROFUND VP BIOTECHNOLOGY ProFunds 23,76873.2K $0.18 %0.01 %as of Mar 31, 2026
EQ/AB Small Cap Growth Portfolio EQ Advisors Trust 23,57072.6K $0.00 %0.01 %as of Mar 31, 2026
1290 VT Micro Cap Portfolio EQ Advisors Trust 23,30071.8K $0.04 %0.01 %as of Mar 31, 2026
iShares Russell 3000 ETF iShares Trust 23,16271.3K $0.00 %0.01 %as of Mar 31, 2026
Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust 19,35050.3K $0.01 %0.01 %as of Apr 30, 2026
DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS 18,13855.9K $0.01 %0.01 %as of Mar 31, 2026
JNL/DFA U.S. Small Cap Fund JNL Series Trust 17,80154.8K $0.01 %0.01 %as of Mar 31, 2026
EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust 17,48853.9K $0.01 %0.01 %as of Mar 31, 2026
AVIP BlackRock Advantage Small Cap Growth Portfolio AuguStar Variable Insurance Products Fund Inc 16,77451.7K $0.04 %0.01 %as of Mar 31, 2026
BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. 15,53247.8K $0.01 %0.01 %as of Mar 31, 2026
T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. 14,90345.9K $0.01 %0.01 %as of Mar 31, 2026
Victory Extended Market Index Fund Victory Portfolios III 14,76338.4K $0.00 %0.01 %as of Apr 30, 2026
Goldman Sachs Small Cap Growth Insights Fund Goldman Sachs Trust 14,57637.9K $0.01 %0.01 %as of Apr 30, 2026
Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC 13,26140.8K $0.01 %0.01 %as of Mar 31, 2026
Invesco NASDAQ Future Gen 200 ETF Invesco Exchange-Traded Fund Trust II 12,59254.3K $0.39 %0.01 %as of Feb 28, 2026
SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST 11,80050.9K $0.00 %0.01 %as of Feb 28, 2026
CVT Russell 2000 Small Cap Index Portfolio Calvert Variable Trust, Inc. 10,68032.9K $0.01 %0.01 %as of Mar 31, 2026
Nationwide Small Cap Index Fund Nationwide Mutual Funds 10,10726.3K $0.01 %0.01 %as of Apr 30, 2026
SA Small Cap Index Portfolio SUNAMERICA SERIES TRUST 10,08226.2K $0.01 %0.01 %as of Apr 30, 2026
BlackRock Advantage SMID Cap V.I. Fund BlackRock Variable Series Funds, Inc. 9,83430.3K $0.02 %0.01 %as of Mar 31, 2026
Venerable Small Cap Index Fund Venerable Variable Insurance Trust 9,82030.2K $0.01 %0.01 %as of Mar 31, 2026
PD Small-Cap Growth Index Portfolio PACIFIC SELECT FUND 9,78230.1K $0.03 %0.01 %as of Mar 31, 2026
Dimensional US Core Equity Market ETF Dimensional ETF Trust 9,65325.1K $0.00 %0.00 %as of Apr 30, 2026
Strategic Equity Allocation Trust John Hancock Variable Insurance Trust 9,09128K $0.00 %0.00 %as of Mar 31, 2026
SmallCap Growth Fund I Principal Funds, Inc 8,26721.5K $0.00 %0.00 %as of Apr 30, 2026
Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds 8,20025.3K $0.00 %0.00 %as of Mar 31, 2026
Dimensional US Core Equity 1 ETF Dimensional ETF Trust 8,16721.2K $0.00 %0.00 %as of Apr 30, 2026
Small Cap Core Fund Northern Funds 8,02524.7K $0.01 %0.00 %as of Mar 31, 2026
VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS 7,88734K $0.00 %0.00 %as of Feb 28, 2026
Voya VACS Index Series SC Portfolio Voya VARIABLE PORTFOLIOS INC 7,75023.9K $0.01 %0.00 %as of Mar 31, 2026
Clearwater Select Equity Fund Clearwater Investment Trust 7,31122.5K $0.01 %0.00 %as of Mar 31, 2026
VIP Extended Market Index Portfolio Variable Insurance Products Fund II 6,67520.6K $0.00 %0.00 %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
GMO U.S. Small Cap Value Fund GMO TRUST 0.44 %as of Feb 28, 2026
Invesco NASDAQ Future Gen 200 ETF Invesco Exchange-Traded Fund Trust II 0.39 %as of Feb 28, 2026
Virtus Biotech Clinical Trials Etf ETFis Series Trust I 0.36 %as of Apr 30, 2026
ALPS Medical Breakthroughs ETF ALPS ETF TRUST 0.29 %as of Feb 28, 2026
VIFAG 2002, SICAV S.A. GESALCALA, S.A., S.G.I.I.C. 0.26 %as of Dec 31, 2025
VANGUARD MARKET NEUTRAL FUND VANGUARD MONTGOMERY FUNDS 0.25 %as of Mar 31, 2026
State Street(R) SPDR(R) S&P(R) Biotech ETF SPDR SERIES TRUST 0.18 %as of Mar 31, 2026
PROFUND VP BIOTECHNOLOGY ProFunds 0.18 %as of Mar 31, 2026
Nuveen Life Small Cap Equity Fund TIAA-CREF Life Funds 0.17 %as of Mar 31, 2026
Nuveen Quant Small Cap Equity Fund TIAA-CREF Funds 0.13 %as of Apr 30, 2026

Quarter after quarter

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

QuarterShareholdersChangeSharesChange
2026Q2134+230,438,773+33.6 %
2026Q1132+1022,782,098+46.2 %
2025Q4122-415,584,326+6.3 %
2025Q3126-814,662,329+4.6 %
2025Q2134-214,018,430+3.6 %
2025Q1136013,533,950-3.2 %
2024Q4136013,986,484+0.8 %
2024Q3136+813,875,176-22.3 %
2024Q2128+1217,855,094+62.8 %
2024Q1116+1110,967,856-0.3 %
2023Q410511,004,833

Institutional managers

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

ManagerSharesValue
BlackRock, Inc.12,795,27739.4M $as of Mar 31, 2026
STATE STREET CORP7,145,55022M $as of Mar 31, 2026
MARSHALL WACE, LLP4,017,90112.4M $as of Mar 31, 2026
MILLENNIUM MANAGEMENT LLC3,258,19110M $as of Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC3,107,0969.6M $as of Mar 31, 2026
Alyeska Investment Group, L.P.2,644,6008.1M $as of Mar 31, 2026
TWO SIGMA INVESTMENTS, LP2,478,9007.6M $as of Mar 31, 2026
Nuveen, LLC2,334,6017.2M $as of Mar 31, 2026
GOLDMAN SACHS GROUP INC1,350,6494.2M $as of Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP1,325,9564.1M $as of Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP1,045,9263.2M $as of Mar 31, 2026
NORTHERN TRUST CORP996,7213.1M $as of Mar 31, 2026
UBS Group AG904,7682.8M $as of Mar 31, 2026
MORGAN STANLEY775,2582.4M $as of Mar 31, 2026
D. E. Shaw & Co., Inc.727,0012.2M $as of Mar 31, 2026
FMR LLC673,9642.1M $as of Mar 31, 2026
SCHRODER INVESTMENT MANAGEMENT GROUP667,8371.9M $as of Mar 31, 2026
TANG CAPITAL MANAGEMENT LLC666,0222.1M $as of Mar 31, 2026
Point72 Asset Management, L.P.665,2892M $as of Mar 31, 2026
BANK OF AMERICA CORP /DE/570,2031.8M $as of Mar 31, 2026
CITADEL ADVISORS LLC448,8731.4M $as of Mar 31, 2026
BNP PARIBAS FINANCIAL MARKETS435,0781.3M $as of Mar 31, 2026
Bank of New York Mellon Corp413,5031.3M $as of Mar 31, 2026
Beirne Wealth Consulting Services, LLC411,8581.3M $as of Mar 31, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC351,6811.1M $as of Mar 31, 2026

Declared shareholders of Altimmune Inc

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

ShareholderDeclared stakeShares
Deep Track Capital, LP and 3 others9.99 %19,417,221as of Apr 23, 2026 · SCHEDULE 13G
TCG Crossover GP II, LLC and 4 others9.80 %20,000,000as of Apr 24, 2026 · SCHEDULE 13G
VIKING GLOBAL INVESTORS LP and 9 others6.70 %13,400,000as of Apr 24, 2026 · SCHEDULE 13G
RA Capital Management, L.P. and 3 others6.50 %13,000,000as of Apr 24, 2026 · SCHEDULE 13G
STATE STREET CORPORATION 5.50 %7,145,550as of Mar 31, 2026 · SCHEDULE 13G
TANG CAPITAL MANAGEMENT, LLC and 5 others0.30 %666,022as of Mar 31, 2026 · SCHEDULE 13G
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Titelia. "Fund shareholders of Altimmune Inc". https://titelia.com/en/stocks/altimmune-inc-US02155H2004