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Altimmune (ALT) Institutional Ownership

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$3.54 -0.10 (-2.62%)
As of 11:30 AM Eastern
This is a fair market value price provided by Polygon.io. Learn more.

Institutional Ownership Changes (13F Filings) for Altimmune (NASDAQ:ALT)

Current
Institutional Ownership
Percentage
78.05%
Number of
Institutional Buyers
(last 12 months)
94
Total
Institutional Inflows
(last 12 months)
$43.48M
Number of
Institutional Sellers
(last 12 months)
47
Total
Institutional Outflows
(last 12 months)
$31.39M
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ALT Institutional Buying and Selling by Quarter

Altimmune Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/16/2025 Headlands Technologies LLC18,557$72K0.0%N/A0.021%
8/15/2025Tower Research Capital LLC TRC 14,956$58K0.0%+234.9%0.017%
8/15/2025 Rafferty Asset Management LLC102,011$395K0.0%-29.0%0.116%
8/15/2025 BNP Paribas Financial Markets10,095$39K0.0%+108.5%0.011%
8/15/2025 Brevan Howard Capital Management LP133,209$516K0.0%+204.1%0.151%
8/15/2025 Bank of America Corp DE716,019$2.77M0.0%+155.2%0.811%
8/15/2025 Ameriprise Financial Inc.113,875$441K0.0%-92.1%0.129%
8/14/2025 Raymond James Financial Inc.25,969$100K0.0%+77.1%0.032%
8/14/2025 Bayesian Capital Management LP14,300$55K0.0%N/A0.018%
8/14/2025 The Manufacturers Life Insurance Company 27,945$108K0.0%+10.9%0.034%
8/14/2025 Sei Investments Co.18,421$71K0.0%N/A0.023%
8/14/2025 Federated Hermes Inc.915,458$3.54M0.0%+387.7%1.129%
8/13/2025 Marshall Wace LLP22,100$86K0.0%-98.1%0.027%
8/13/2025 Invesco Ltd.106,863$414K0.0%+31.7%0.132%
8/13/2025 Virtus Investment Advisers LLC13,151$51K0.0%-31.2%0.016%
8/13/2025 Hsbc Holdings PLC85,468$329K0.0%+18.3%0.105%
8/12/2025 Steward Partners Investment Advisory LLC213,384$826K0.0%+43.0%0.263%
8/12/2025Jefferies Financial Group Inc.35,000$135K0.0%+40.0%0.043%
8/12/2025 Prudential Financial Inc.11,195$43K0.0%N/A0.014%
8/12/2025 Rhumbline Advisers113,981$441K0.0%+7.0%0.141%
8/12/2025 Legal & General Group Plc8,620$33K0.0%-87.3%0.011%
8/11/2025 Brown Wealth Management LLC231,083$894K0.3%+131.0%0.285%
8/8/2025 Intech Investment Management LLC144,890$561K0.0%+102.9%0.179%
8/8/2025 Cetera Investment Advisers18,150$70K0.0%-20.4%0.022%
8/8/2025 Creative Planning41,164$159K0.0%+30.2%0.051%
8/8/2025 Geode Capital Management LLC1,934,880$7.49M0.0%+13.4%2.386%
8/7/2025 Profund Advisors LLC21,713$84K0.0%-27.0%0.027%
8/7/2025 Los Angeles Capital Management LLC13,947$54K0.0%N/A0.017%
8/4/2025 Moody Aldrich Partners LLC157,614$610K0.1%N/A0.194%
8/4/2025 Horizon Wealth Management LLC15,000$58K0.0%-40.0%0.018%
8/4/2025 Beirne Wealth Consulting Services LLC342,458$1.33M0.4%+16.3%0.422%
8/1/2025 Envestnet Asset Management Inc.32,908$127K0.0%+48.0%0.041%
7/31/2025 Caitong International Asset Management Co. Ltd239,630$927K0.7%+25,474.2%0.295%
7/25/2025 Concurrent Investment Advisors LLC25,258$98K0.0%+16.4%0.031%
7/23/2025 Kingswood Wealth Advisors LLC10,400$40K0.0%N/A0.013%
7/22/2025 Keudell Morrison Wealth Management16,360$63K0.0%N/A0.020%
7/18/2025 PFG Investments LLC12,000$46K0.0%-31.4%0.015%
7/15/2025 North Star Investment Management Corp.17,000$66K0.0%-43.3%0.021%
7/10/2025 Wealth Enhancement Advisory Services LLC24,828$96K0.0%+70.5%0.031%
7/10/2025 Baader Bank Aktiengesellschaft34,292$133K0.0%N/A0.042%
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6/18/2025 Voya Investment Management LLC18,967$95K0.0%-10.7%0.023%
5/21/2025Geneos Wealth Management Inc.10,000$50K0.0%N/A0.012%
5/16/2025 Goldman Sachs Group Inc.390,335$1.95M0.0%-25.8%0.481%
5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.48,901$247K0.0%+4.8%0.063%
5/15/2025 Royal Bank of Canada52,467$262K0.0%-7.2%0.068%
5/14/2025 Rafferty Asset Management LLC143,672$718K0.0%-8.9%0.187%
5/14/2025 MetLife Investment Management LLC46,870$234K0.0%+5.4%0.061%
5/14/2025 AlphaQuest LLC19,820$99K0.0%N/A0.026%
5/14/2025 Hsbc Holdings PLC72,258$349K0.0%N/A0.094%
5/14/2025 Wellington Management Group LLP224,954$1.13M0.0%+9.6%0.292%
5/13/2025 American Century Companies Inc.17,175$86K0.0%-61.6%0.022%
5/13/2025 Fox Run Management L.L.C.38,200$191K0.0%+196.0%0.050%
5/13/2025E Fund Management Co. Ltd.13,427$67K0.0%+20.3%0.017%
5/12/2025 Nuveen LLC263,898$1.30M0.0%N/A0.343%
5/12/2025 Invesco Ltd.81,128$406K0.0%-67.2%0.105%
5/9/2025 Deutsche Bank AG79,851$399K0.0%+3.9%0.104%
5/9/2025 Vanguard Group Inc.4,407,462$22.04M0.0%-0.5%5.723%
5/8/2025 Headland Capital LLC10,097$50K0.0%N/A0.013%
5/8/2025Jefferies Financial Group Inc.25,000$125K0.0%N/A0.032%
5/8/2025 Federated Hermes Inc.187,727$939K0.0%N/A0.244%
5/7/2025 Brown Wealth Management LLC100,024$500K0.2%+100.0%0.130%
4/29/2025 Concurrent Investment Advisors LLC21,693$108K0.0%N/A0.028%
4/29/2025 Bank of New York Mellon Corp189,000$945K0.0%+1.2%0.245%
4/29/2025 OneDigital Investment Advisors LLC21,590$108K0.0%-11.8%0.028%
4/28/2025 Teacher Retirement System of Texas19,144$96K0.0%-9.7%0.025%
4/23/2025 Sequoia Financial Advisors LLC10,155$51K0.0%-25.6%0.013%
4/22/2025 PFG Investments LLC17,500$88K0.0%+31.6%0.023%
4/17/2025 Exchange Traded Concepts LLC153,606$768K0.0%-3.7%0.199%
4/14/2025 Kraematon Investment Advisors Inc.35,085$175K0.2%+14.0%0.046%
4/11/2025 Horizon Wealth Management LLC25,000$125K0.0%N/A0.032%
4/11/2025 Magnus Financial Group LLC10,000$50K0.0%N/A0.013%
4/10/2025 Hennion & Walsh Asset Management Inc.197,684$988K0.0%-3.8%0.257%
4/9/2025 RFG Advisory LLC324,397$1.62M0.0%N/A0.421%
4/7/2025 GAMMA Investing LLC6,745$34K0.0%+214.2%0.009%
3/24/2025 Wellington Management Group LLP205,233$1.48M0.0%+4.1%0.266%
2/18/2025 Sunbelt Securities Inc.10,844$79K0.0%+356.8%0.015%
2/17/2025 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC92,392$666K0.0%+16.6%0.130%
2/17/2025 Squarepoint Ops LLC14,706$106K0.0%-76.2%0.021%
2/17/2025 Two Sigma Advisers LP65,700$474K0.0%-25.7%0.092%
2/17/2025 Two Sigma Investments LP605,303$4.36M0.0%+33.2%0.851%
2/17/2025 Rafferty Asset Management LLC157,750$1.14M0.0%+1.3%0.222%
2/17/2025 ProShare Advisors LLC23,371$169K0.0%+74.1%0.033%
2/17/2025Nuveen Asset Management LLC216,926$1.56M0.0%-7.5%0.305%
2/17/2025 OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC26,899$194K0.0%+22.0%0.038%
2/17/2025 Millennium Management LLC345,637$2.49M0.0%+139.8%0.486%
2/17/2025 Focus Partners Wealth122,539$884K0.0%N/A0.172%
2/17/2025 Ensign Peak Advisors Inc454,981$3.28M0.0%+39.2%0.640%
2/17/2025 Deutsche Bank AG76,825$554K0.0%+37.7%0.108%
2/17/2025 D. E. Shaw & Co. Inc.459,833$3.32M0.0%-39.3%0.647%
2/17/2025 Brevan Howard Capital Management LP14,031$101K0.0%N/A0.020%
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2/17/2025 Bridgefront Capital LLC17,223$124K0.0%N/A0.024%
2/17/2025 Baird Financial Group Inc.59,440$429K0.0%N/A0.084%
2/17/2025 Balyasny Asset Management L.P.196,327$1.42M0.0%+9.1%0.276%
2/17/2025 Bayesian Capital Management LP14,700$106K0.0%N/A0.021%
2/17/2025 Bellevue Group AG945,446$6.82M0.1%+9.5%1.329%
2/17/2025 Bank of America Corp DE181,889$1.31M0.0%+21.7%0.256%
2/17/2025 BNP Paribas Financial Markets8,156$59K0.0%-80.6%0.011%
2/17/2025 Ameriprise Financial Inc.5,254,898$37.89M0.0%+35.6%7.389%
2/14/2025 Freestone Grove Partners LP14,418$104K0.0%N/A0.020%
2/14/2025 Northern Trust Corp665,916$4.80M0.0%+5.7%0.936%
(Data available from 1/1/2016 forward)

ALT Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ALT shares?

During the previous two years, 163 institutional investors and hedge funds held shares of Altimmune. The most heavily invested institutionals were Vanguard Group Inc. ($22.04M), State Street Corp ($20.96M), Timelo Investment Management Inc. ($9.10M), Geode Capital Management LLC ($7.49M), Bellevue Group AG ($6.82M), Knoll Capital Management LLC ($5.77M), and Northern Trust Corp ($4.80M).Learn more on Altimmune's institutional investors.

What percentage of Altimmune's stock is owned by institutional investors?

78.05% of Altimmune's stock is owned by institutional investors. Learn more on ALT's institutional investor holdings.

Which institutional investors have been buying Altimmune's stock?

Of the 137 institutional investors that purchased Altimmune's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Ameriprise Financial Inc. ($1.38M), Federated Hermes Inc. ($915.46K), Timelo Investment Management Inc. ($779.10K), Bank of America Corp DE ($467.85K), Farallon Capital Management LLC ($436K), Lighthouse Investment Partners LLC ($399.36K), and Knoll Capital Management LLC ($367.22K).

How much institutional buying is happening at Altimmune?

Institutional investors have bought a total of 7,647,881 shares in the last 24 months. This purchase volume represents approximately $43.48M in transactions.

Which of Altimmune's major shareholders have been selling company stock?

Of the 47 institutional investors that sold Altimmune's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Ameriprise Financial Inc. ($1.33M), Marshall Wace LLP ($1.15M), Portolan Capital Management LLC ($579.27K), Vanguard Group Inc. ($576.40K), State Street Corp ($495.46K), D. E. Shaw & Co. Inc. ($298.17K), and SG Americas Securities LLC ($220.14K).

How much institutional selling is happening at Altimmune?

Institutional investors have sold a total of 5,947,165 shares in the last 24 months. This volume of shares sold represents approximately $31.39M in transactions.



This page (NASDAQ:ALT) was last updated on 8/18/2025 by MarketBeat.com Staff
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