Altimmune, Inc. (ALT) is held by institutional investors who disclose positions via SEC 13F filings. View the full list of institutional holders on HoldingsIntel.

Are institutions buying or selling ALT?

HoldingsIntel tracks quarter-over-quarter changes in institutional positions for Altimmune, Inc., showing new buyers, position increases, decreases, and exits with conviction-weighted sentiment.

What is the Smart Money Verdict on ALT?

The Smart Money Verdict combines four independent signals (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for Altimmune, Inc..

Is institutional money flowing into ALT?

108 institutional investors hold Altimmune, Inc. (ALT). View detailed buyer/seller breakdown on HoldingsIntel.

What do hedge funds think about ALT?

Track institutional sentiment and conviction scores for Altimmune, Inc. (ALT) including Smart Money Verdict and position changes on HoldingsIntel.

Altimmune, Inc.

ALT·02155H200·US·equity·Healthcare - Biotechnology-13D/G

ALT (Altimmune, Inc.) is held by 108 institutional investors as of Q4 2025. Largest holders: BlackRock, Inc. ($35M), VANGUARD GROUP INC ($34.3M), STATE STREET CORP ($18.5M). Net institutional sentiment: Bullish.

108

Holders

Avg rating(8 Elite)

$176.2M

Total Value

72% (114)

Fund Consensus

71 buying - 27 selling

Smart Money VerdictView all

61Mixed MomentumSplit Signals

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See how ALT's score breaks down across 4 SEC sources

Held by 108 funds

8 elite

Who's Trading

InsiderGILL JOHNBuy $31KApr 6, 2026

Insider

13F: Dec 31, 2025Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	9.7M(+52.3%)	$35M	0.0%	-30.12%	40
VANGUARD GROUP INC	Increased	9.5M(+48.9%)	$34.3M	0.0%	-16.00%	40
STATE STREET CORP	Increased	5.1M(+42.2%)	$18.5M	0.0%	-42.34%	38
GEODE CAPITAL MANAGEMENT, LLC	Increased	2.3M(+13.6%)	$8.3M	0.0%	-35.75%	31
JANE STREET GROUP, LLC	Increased	1.8M(+536.7%)	$6.4M	0.0%	+14.34%	44
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Decreased	1.4M(-0.4%)	$4.9M	0.0%	-26.29%	0
MORGAN STANLEY	Decreased	1.4M(-8.8%)	$4.9M	0.0%	-17.06%	0
GOLDMAN SACHS GROUP INC	Increased	1.3M(+140.0%)	$4.9M	0.0%	-11.16%	43
D. E. Shaw & Co., Inc.	Increased	1.3M(+272.8%)	$4.9M	0.0%	+11.59%	43
CITADEL ADVISORS LLC	Increased	1.3M(+4.4%)	$4.8M	0.0%	+13.38%	28
TWO SIGMA INVESTMENTS, LP	Decreased	1.3M(-36.6%)	$4.6M	0.0%	-3.21%	0
Nuveen, LLC	Increased	1.2M(+514.9%)	$4.5M	0.0%	+6.99%	43
MARSHALL WACE, LLP	New	922,777	$3.3M	0.0%	+15.24%	37
TWO SIGMA ADVISERS, LP	Decreased	793,900(-44.4%)	$2.9M	0.0%	+5.12%	0
NORTHERN TRUST CORP	Increased	715,991(+9.0%)	$2.6M	0.0%	-37.72%	29
UBS Group AG	Decreased	642,048(-0.1%)	$2.3M	0.0%	-42.01%	0
FMR LLC	Increased	564,093(+26.7%)	$2M	0.0%	+12.85%	32
SCHRODER INVESTMENT MANAGEMENT GROUP	New	469,013	$1.7M	0.0%	+15.24%	36
BARCLAYS PLC	Increased	400,595(+17.7%)	$1.4M	0.0%	-23.46%	30
BANK OF AMERICA CORP /DE/	Increased	383,783(+19.8%)	$1.4M	0.0%	-8.33%	30
Bank of New York Mellon Corp	Increased	354,201(+3.6%)	$1.3M	0.0%	-18.22%	26
DIMENSIONAL FUND ADVISORS LP	Decreased	283,703(-4.7%)	$1M	0.0%	-35.52%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	283,669(+38.8%)	$1M	0.0%	-16.35%	33
Sculptor Capital LP	Unchanged	276,700	$998,887	0.0%	-1.20%	0
WELLINGTON MANAGEMENT GROUP LLP	Decreased	257,271(-2.8%)	$928,748	0.0%	-48.92%	0
Steward Partners Investment Advisory, LLC	Increased	245,393(+11.9%)	$885,869	0.0%	-15.12%	28
Invesco Ltd.	Increased	214,824(+32.6%)	$775,515	0.0%	-19.87%	32
MILLENNIUM MANAGEMENT LLC	Decreased	207,383(-43.6%)	$748,653	0.0%	-1.89%	0
Rafferty Asset Management, LLC	Increased	195,766(+25.3%)	$706,715	0.0%	-41.12%	30
COMMONWEALTH EQUITY SERVICES, LLC	Increased	181,483(+4.2%)	$655,150	0.0%	-32.32%	26
BNP PARIBAS FINANCIAL MARKETS	Increased	177,305(+137.9%)	$640,071	0.0%	+10.30%	39
IMC-Chicago, LLC	Increased	173,130(+50.1%)	$624,999	0.0%	-18.57%	34
Grantham, Mayo, Van Otterloo & Co. LLC	New	172,559	$622,938	0.0%	+15.24%	34
Jefferies Financial Group Inc.	Increased	157,800(+215.6%)	$569,658	0.0%	-1.14%	39
LOS ANGELES CAPITAL MANAGEMENT LLC	New	128,529	$523,113	0.0%	+15.24%	33
WELLS FARGO & COMPANY/MN	Increased	141,282(+52.1%)	$510,028	0.0%	-20.48%	34
HSBC HOLDINGS PLC	Increased	132,221(+80.8%)	$474,012	0.0%	-5.46%	37
JACOBS LEVY EQUITY MANAGEMENT, INC	New	124,821	$450,604	0.0%	+15.24%	33
STIFEL FINANCIAL CORP	Increased	123,416(+104.3%)	$445,535	0.0%	-2.61%	39
RHUMBLINE ADVISERS	Decreased	121,513(-7.1%)	$438,652	0.0%	-7.97%	0
Baird Financial Group, Inc.	Unchanged	119,440	$431,178	0.0%	-25.00%	0
Brevan Howard Capital Management LP	Decreased	114,128(-48.8%)	$412,002	0.0%	+1.46%	0
JPMORGAN CHASE & CO	Increased	104,532(+5.4%)	$377,361	0.0%	-40.57%	17
SILVERCREST ASSET MANAGEMENT GROUP LLC	Unchanged	103,500	$373,635	0.0%	-21.88%	0
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	New	100,000	$361,000	0.0%	+15.24%	33
Engineers Gate Manager LP	Increased	87,264(+112.6%)	$315,023	0.0%	+12.59%	38
ALPS ADVISORS INC	New	85,677	$309,294	0.0%	+15.24%	32
DEUTSCHE BANK AG\	Increased	79,940(+4.0%)	$288,583	0.0%	-36.20%	24
Caption Management, LLC	Decreased	74,438(-42.7%)	$268,721	0.0%	+16.46%	0
AMERIPRISE FINANCIAL INC	Decreased	73,838(-0.6%)	$266,557	0.0%	-49.90%	0
ALLIANCEBERNSTEIN L.P.	Unchanged	71,760	$259,054	0.0%	-22.55%	0
Verition Fund Management LLC	Increased	69,476(+123.0%)	$250,808	0.0%	+16.83%	37
Walleye Capital LLC	Increased	65,665(+323.1%)	$237,051	0.0%	+13.89%	37
LMR Partners LLP	New	61,300	$221,293	0.0%	+15.24%	32
BALYASNY ASSET MANAGEMENT L.P.	New	60,109	$216,993	0.0%	+15.24%	32
Virtu Financial LLC	Increased	58,477(+21.6%)	$211,000	0.0%	+18.20%	27
BLAIR WILLIAM & CO/IL	New	56,434	$203,727	0.0%	+15.24%	32
RAYMOND JAMES FINANCIAL INC	Increased	55,859(+101.9%)	$201,651	0.0%	-7.15%	37
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	Increased	52,566(+14.5%)	$189,763	0.0%	-32.91%	26
INTECH INVESTMENT MANAGEMENT LLC	Increased	52,557(+36.0%)	$189,731	0.0%	-7.78%	30
LPL Financial LLC	Decreased	48,626(-21.0%)	$175,540	0.0%	-53.88%	0
Creative Planning	Increased	46,886(+28.9%)	$169,258	0.0%	-35.57%	28
Rockefeller Capital Management L.P.	Increased	43,167(+798x)	$155,833	0.0%	+15.23%	36
MetLife Investment Management, LLC	Decreased	38,193(-14.2%)	$137,877	0.0%	-14.31%	0
Squarepoint Ops LLC	Decreased	34,949(-94.0%)	$126,166	0.0%	+9.76%	0
MML INVESTORS SERVICES, LLC	Unchanged	34,550	$124,726	0.0%	-50.15%	0
GROUP ONE TRADING LLC	Decreased	31,372(-77.6%)	$113,253	0.0%	-36.27%	0
CANADA PENSION PLAN INVESTMENT BOARD	New	30,000	$108,300	0.0%	+15.24%	30
Cetera Investment Advisers	Increased	29,687(+46.9%)	$107,170	0.0%	-35.36%	30
CITIGROUP INC	Increased	28,324(+189.8%)	$102,250	0.0%	-11.98%	24
FARALLON CAPITAL MANAGEMENT LLC	Unchanged	27,600	$99,636	0.0%	-59.44%	0
MANUFACTURERS LIFE INSURANCE COMPANY, THE	Increased	27,596(+6.2%)	$99,622	0.0%	+0.27%	23
ROYAL BANK OF CANADA	Decreased	27,414(-58.9%)	$99,000	0.0%	-36.28%	0
Police & Firemen's Retirement System of New Jersey	Unchanged	23,573	$85,099	0.0%	-29.63%	0
NEW YORK STATE COMMON RETIREMENT FUND	Unchanged	21,447	$77,424	0.0%	+18.98%	0
AQR CAPITAL MANAGEMENT LLC	New	21,147	$76,341	0.0%	+15.24%	33
ProShare Advisors LLC	Increased	20,816(+21.9%)	$75,146	0.0%	-33.40%	26
OSAIC HOLDINGS, INC.	Increased	18,941(+6.7%)	$68,377	0.0%	-41.66%	23
Man Group plc	New	18,936	$68,359	0.0%	+15.24%	29
&PARTNERS	New	15,035	$54,276	0.0%	+15.24%	29
Vontobel Holding Ltd.	New	15,000	$54,150	0.0%	+15.24%	29
Russell Investments Group, Ltd.	Increased	14,537(+4.4%)	$52,478	0.0%	-19.73%	22
VOYA INVESTMENT MANAGEMENT LLC	Unchanged	13,690	$49,421	0.0%	-54.63%	0
Schonfeld Strategic Advisors LLC	New	13,021	$47,004	0.0%	+15.24%	28
Gotham Asset Management, LLC	New	12,669	$45,735	0.0%	+15.24%	28
JONES FINANCIAL COMPANIES LLLP	Increased	12,526(+89.0%)	$45,219	0.0%	-4.81%	22
Sequoia Financial Advisors, LLC	Increased	12,428(+2.9%)	$44,866	0.0%	+9.91%	21
VICTORY CAPITAL MANAGEMENT INC	Increased	11,930(+18.6%)	$43,067	0.0%	+10.59%	16
ExodusPoint Capital Management, LP	Decreased	11,921(-93.3%)	$43,035	0.0%	+0.80%	0
Quadrature Capital Ltd	New	10,101	$36,465	0.0%	+15.24%	28
Legal & General Group Plc	Increased	9,362(+8.6%)	$33,797	0.0%	-49.87%	15
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	Increased	5,461(+12.7%)	$19,714	0.0%	-55.80%	14
Mirae Asset Global Investments Co., Ltd.	Increased	5,070(+48.6%)	$18,303	0.0%	-23.13%	25
TD Waterhouse Canada Inc.	Unchanged	3,500	$12,600	0.0%	+18.86%	0
PNC FINANCIAL SERVICES GROUP, INC.	Decreased	2,412(-16.3%)	$8,707	0.0%	-42.83%	0
NewEdge Advisors, LLC	Decreased	1,888(-40.8%)	$6,816	0.0%	-58.86%	0
Zurcher Kantonalbank (Zurich Cantonalbank)	Unchanged	1,125	$4,061	0.0%	-45.47%	0
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	New	672	$2,426	0.0%	+15.24%	19
US BANCORP \DE\	Increased	559(+996.1%)	$2,018	0.0%	+10.61%	12
FIFTH THIRD BANCORP	Unchanged	250	$903	0.0%	-73.84%	0
MAI Capital Management	Unchanged	150	$542	0.0%	+9.76%	0
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	Decreased	100(-1.0%)	$361	0.0%	+32.36%	0
NISA INVESTMENT ADVISORS, LLC	Unchanged	95	$343	0.0%	-30.72%	0
Allworth Financial LP	New	89	$322	0.0%	+15.24%	17
Farther Finance Advisors, LLC	Unchanged	73	$264	0.0%	-24.48%	0
PRICE T ROWE ASSOCIATES INC /MD/	Increased	49,879(+20.2%)	$181	0.0%	-43.25%	9
COMERICA BANK	New	28	$101	0.0%	+15.24%	17
HUNTINGTON NATIONAL BANK	Unchanged	2	$7	0.0%	+18.44%	0
SIMPLEX TRADING, LLC	Exited	0(-100.0%)	$805	0.0%	-9.88%	0
MACQUARIE GROUP LTD	Exited	0(-100.0%)	$377,000	0.0%	-56.08%	0
Point72 Asset Management, L.P.	Exited	0(-100.0%)	$1.8M	0.0%	-4.75%	0
Walleye Trading LLC	Exited	0(-100.0%)	$55,641	0.0%	-4.75%	0
FEDERATED HERMES, INC.	Exited	0(-100.0%)	$283	0.0%	-6.80%	0
HighTower Advisors, LLC	Exited	0(-100.0%)	$18,507	0.0%	-26.19%	0

Altimmune, Inc.

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