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Altimmune, Inc. hedge fund holdings

ALTNASDAQ
$2.74-0.03 (-0.91% today)

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

ALT · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-30.4%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 20259262$31.9M$33.7M170Aug 14, 2025
Q3 20256369$35.8M$21.2M150Nov 14, 2025
Q4 20259341$59.7M$13.7M172Feb 14, 2026
Q1 20269552$66.4M$28.7M167May 15, 2026
Q2 202612936$266M$17.6M198Aug 14, 2026

Quarterly action breakdown

Q2 2026
198 filers
New position
54
$179M+58.8M sh
Increased
75
$87.8M+28.9M sh
Reduced
22
-$6.83M-2.25M sh
Out / sold
14
-$10.8M-3.56M sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
Deep Track Capital, LPNew Buy+$58.5M$58.5M0.85%Aug 14, 2026
TCG Crossover Management, LLCNew Buy+$30.4M$30.4M0.73%Aug 14, 2026
Viking Global Investors LPNew Buy+$20.4M$20.4M0.06%Aug 14, 2026
Ra Capital Management, L.P.New Buy+$19.8M$19.8M0.17%Aug 14, 2026
Nantahala Capital Management, LLCNew Buy+$9.12M$9.12M0.15%Aug 19, 2026
Trails Edge Capital Partners, LPNew Buy+$8.09M$8.09M1.28%Aug 14, 2026
Great Point Partners LLCNew Buy+$5.29M$5.29M1.00%Aug 14, 2026
Weiss Asset Management LPNew Buy+$4.65M$4.65M0.05%Aug 14, 2026
Cormorant Asset Management, LPNew Buy+$3.8M$3.8M0.19%Aug 14, 2026
Schroder Investment Management GroupSell 100%-$1.92M$00.00%Aug 13, 2026
Rock Springs Capital Management LPNew Buy+$1.43M$1.43M0.07%Aug 14, 2026
Hennion & Walsh Asset Management, Inc.Added 156.55%+$961K$1.58M0.05%Jul 8, 2026
Wellington Management Group LLPAdded 69.37%+$523K$1.28M0.00%Aug 14, 2026
Birchview Capital, LPNew Buy+$464K$464K0.22%Aug 14, 2026
Susquehanna Portfolio Strategies, LLCNew Buy+$314K$314K0.01%Aug 14, 2026
ADAR1 Capital Management, LLCNew Buy+$313K$313K0.01%Aug 14, 2026
Alps Advisors IncAdded 86.41%+$278K$600K0.00%Jul 29, 2026
Virtus Investment Advisers, LLCAdded 142.28%+$224K$381K0.09%Aug 11, 2026
Graham Capital Management, L.P.New Buy+$137K$137K0.00%Aug 14, 2026
Grantham, Mayo, Van Otterloo & Co. LLCReduce 33.67%-$129K$255K0.00%Aug 13, 2026
Canada Pension Plan Investment BoardAdded 63.79%+$103K$265K0.00%Aug 14, 2026
Sequoia Financial Advisors, LLCNew Buy+$98.1K$98.1K0.00%Jul 17, 2026
Farallon Capital Management, L.L.C.Sell 100%-$85K$00.00%Aug 14, 2026
nVerses Capital, LLCNew Buy+$74.2K$74.2K0.11%Aug 4, 2026
Atria Investments, IncNew Buy+$57.8K$57.8K0.00%Jul 28, 2026
Jain Global LLCNew Buy+$57.6K$57.6K0.00%Aug 14, 2026
Keudell/Morrison Wealth ManagementSell 100%-$57K$00.00%Jul 15, 2026
Syon Capital LLCNew Buy+$52K$52K0.00%Aug 14, 2026
PKS Advisory Services, LLCNew Buy+$47.4K$47.4K0.01%Aug 4, 2026
Aigen Investment Management, LPNew Buy+$41K$41K0.01%Aug 14, 2026
R Squared LtdNew Buy+$40.3K$40.3K0.02%Aug 5, 2026
Xcelsior Advisor Partners LLCNew Buy+$39.5K$39.5K0.01%Aug 14, 2026
Quantinno Capital Management LPSell 100%-$32.8K$00.00%Aug 13, 2026
Profund Advisors LLCAdded 10.14%+$31.8K$345K0.01%Aug 11, 2026
IMC-Chicago, LLCSell 100%-$30.8K$00.00%Aug 6, 2026
Beirne Wealth Consulting Services, LLCAdded 2.43%+$30.4K$1.28M0.26%Jul 15, 2026
Polymer Capital Management (US) LLCReduce 41.66%-$30.4K$42.6K0.01%Aug 14, 2026
Wealth Effects LLCReduce 7.05%-$28.3K$373K0.10%Aug 6, 2026
Axq Capital, LPAdded 18.97%+$27.5K$173K0.02%Aug 6, 2026
China Universal Asset Management Co., Ltd.Added 39.27%+$26.5K$94.1K0.01%Jul 24, 2026
Xponance LLCAdded 75.43%+$24.7K$57.5K0.00%Aug 10, 2026
Voleon Capital Management LPReduce 23.68%-$19.5K$63K0.00%Aug 14, 2026
Rafferty Asset Management, LLCReduce 2.69%-$18.9K$684K0.00%Aug 14, 2026
PFG Investments, LLCAdded 40.74%+$16.7K$57.8K0.00%Jul 23, 2026
North Star Investment Management Corp.Added 29.41%+$15.2K$66.9K0.00%Jul 28, 2026
Vontobel Holding Ltd.Added 25.00%+$15.2K$76K0.00%Aug 3, 2026
Pacer Advisors, Inc.New Buy+$11K$11K0.00%Aug 13, 2026
E Fund Management Co., Ltd.Added 9.16%+$8.09K$96.5K0.00%Aug 11, 2026
Blair William & CoAdded 8.63%+$7.41K$93.2K0.00%Aug 11, 2026
Concurrent Investment Advisors, LLCAdded 8.08%+$6.51K$87.1K0.00%Jul 27, 2026
Kingswood Wealth Advisors, LLCReduce 2.61%-$6.08K$226K0.01%Jul 27, 2026
Summit Securities Group LLCNew Buy+$4.58K$4.58K0.00%Aug 3, 2026
Leonteq Securities AGReduce 1.54%-$3.04K$195K0.01%Jul 27, 2026
Legacy Wealth Managment, LLCSell 100%-$770$00.00%Aug 13, 2026
Kovack Advisors, Inc.Reduce 0.69%-$760$109K0.01%Jul 29, 2026
RMG Wealth Management LLCNew Buy+$659$6590.00%Aug 13, 2026
Bare Financial Services, IncNew Buy+$596$5960.00%Jul 27, 2026
HUB Investment Partners, LLCAdded 0.33%+$307$92.2K0.00%Jul 31, 2026
Choreo, LLCAdded 0.11%+$55$50.8K0.00%Aug 4, 2026
Commonwealth Retirement Investments LLCNew Buy+$3$30.00%Aug 3, 2026

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