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Altimmune (ALT) Institutional Ownership

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$4.18 -0.08 (-1.88%)
Closing price 07/15/2025 04:00 PM Eastern
Extended Trading
$4.16 -0.02 (-0.60%)
As of 08:42 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Altimmune (NASDAQ:ALT)

Current
Institutional Ownership
Percentage
78.05%
Number of
Institutional Buyers
(last 12 months)
95
Total
Institutional Inflows
(last 12 months)
$39.39M
Number of
Institutional Sellers
(last 12 months)
44
Total
Institutional Outflows
(last 12 months)
$25.60M
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ALT Institutional Buying and Selling by Quarter

Altimmune Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/15/2025North 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%
6/18/2025Voya Investment Management LLC18,967$95K0.0%-10.7%0.023%
5/21/2025Geneos Wealth Management Inc.10,000$50K0.0%N/A0.012%
5/16/2025Goldman Sachs Group Inc.390,335$1.95M0.0%-25.8%0.481%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.48,901$247K0.0%+4.8%0.063%
5/15/2025Royal Bank of Canada52,467$262K0.0%-7.2%0.068%
5/14/2025Rafferty Asset Management LLC143,672$718K0.0%-8.9%0.187%
5/14/2025MetLife Investment Management LLC46,870$234K0.0%+5.4%0.061%
5/14/2025AlphaQuest LLC19,820$99K0.0%N/A0.026%
5/14/2025Hsbc Holdings PLC72,258$349K0.0%N/A0.094%
5/14/2025Wellington Management Group LLP224,954$1.13M0.0%+9.6%0.292%
5/13/2025American Century Companies Inc.17,175$86K0.0%-61.6%0.022%
5/13/2025Fox 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%
5/12/2025Nuveen LLC263,898$1.30M0.0%N/A0.343%
5/12/2025Invesco Ltd.81,128$406K0.0%-67.2%0.105%
5/9/2025Deutsche Bank AG79,851$399K0.0%+3.9%0.104%
5/9/2025Vanguard Group Inc.4,407,462$22.04M0.0%-0.5%5.723%
5/8/2025Headland Capital LLC10,097$50K0.0%N/A0.013%
5/8/2025Jefferies Financial Group Inc.25,000$125K0.0%N/A0.032%
5/8/2025Federated Hermes Inc.187,727$939K0.0%N/A0.244%
5/7/2025Brown Wealth Management LLC100,024$500K0.2%+100.0%0.130%
4/29/2025Concurrent Investment Advisors LLC21,693$108K0.0%N/A0.028%
4/29/2025Bank of New York Mellon Corp189,000$945K0.0%+1.2%0.245%
4/29/2025OneDigital Investment Advisors LLC21,590$108K0.0%-11.8%0.028%
4/28/2025Teacher Retirement System of Texas19,144$96K0.0%-9.7%0.025%
4/23/2025Sequoia Financial Advisors LLC10,155$51K0.0%-25.6%0.013%
4/22/2025PFG Investments LLC17,500$88K0.0%+31.6%0.023%
4/17/2025 Exchange Traded Concepts LLC153,606$768K0.0%-3.7%0.199%
4/14/2025Kraematon Investment Advisors Inc.35,085$175K0.2%+14.0%0.046%
4/11/2025Horizon Wealth Management LLC25,000$125K0.0%N/A0.032%
4/11/2025Magnus Financial Group LLC10,000$50K0.0%N/A0.013%
4/10/2025Hennion & Walsh Asset Management Inc.197,684$988K0.0%-3.8%0.257%
4/9/2025RFG Advisory LLC324,397$1.62M0.0%N/A0.421%
4/7/2025 GAMMA Investing LLC6,745$34K0.0%+214.2%0.009%
3/24/2025Wellington Management Group LLP205,233$1.48M0.0%+4.1%0.266%
2/18/2025Sunbelt Securities Inc.10,844$79K0.0%+356.8%0.015%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC92,392$666K0.0%+16.6%0.130%
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2/17/2025Squarepoint Ops LLC14,706$106K0.0%-76.2%0.021%
2/17/2025Two Sigma Advisers LP65,700$474K0.0%-25.7%0.092%
2/17/2025Two Sigma Investments LP605,303$4.36M0.0%+33.2%0.851%
2/17/2025Rafferty Asset Management LLC157,750$1.14M0.0%+1.3%0.222%
2/17/2025ProShare Advisors LLC23,371$169K0.0%+74.1%0.033%
2/17/2025Nuveen Asset Management LLC216,926$1.56M0.0%-7.5%0.305%
2/17/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC26,899$194K0.0%+22.0%0.038%
2/17/2025Millennium Management LLC345,637$2.49M0.0%+139.8%0.486%
2/17/2025Focus Partners Wealth122,539$884K0.0%N/A0.172%
2/17/2025Ensign Peak Advisors Inc454,981$3.28M0.0%+39.2%0.640%
2/17/2025Deutsche Bank AG76,825$554K0.0%+37.7%0.108%
2/17/2025D. E. Shaw & Co. Inc.459,833$3.32M0.0%-39.3%0.647%
2/17/2025Brevan Howard Capital Management LP14,031$101K0.0%N/A0.020%
2/17/2025Bridgefront Capital LLC17,223$124K0.0%N/A0.024%
2/17/2025Baird Financial Group Inc.59,440$429K0.0%N/A0.084%
2/17/2025Balyasny Asset Management L.P.196,327$1.42M0.0%+9.1%0.276%
2/17/2025Bayesian Capital Management LP14,700$106K0.0%N/A0.021%
2/17/2025Bellevue Group AG945,446$6.82M0.1%+9.5%1.329%
2/17/2025Bank of America Corp DE181,889$1.31M0.0%+21.7%0.256%
2/17/2025BNP Paribas Financial Markets8,156$59K0.0%-80.6%0.011%
2/17/2025Ameriprise Financial Inc.5,254,898$37.89M0.0%+35.6%7.389%
2/14/2025Freestone Grove Partners LP14,418$104K0.0%N/A0.020%
2/14/2025Northern Trust Corp665,916$4.80M0.0%+5.7%0.936%
2/14/2025Virtus ETF Advisers LLC8,277$60K0.0%N/A0.012%
2/14/2025Voya Investment Management LLC21,242$153K0.0%-9.0%0.030%
2/14/2025Price T Rowe Associates Inc. MD28,146$203K0.0%+17.3%0.040%
2/14/2025Stifel Financial Corp13,103$94K0.0%-26.2%0.018%
2/14/2025OneDigital Investment Advisors LLC24,477$176K0.0%N/A0.034%
2/14/2025MetLife Investment Management LLC44,474$321K0.0%+7.0%0.063%
2/14/2025Dimensional Fund Advisors LP633,441$4.57M0.0%-2.0%0.891%
2/13/2025Farringdon Capital Ltd.25,295$182K0.1%N/A0.036%
2/13/2025Marshall Wace LLP65,517$472K0.0%N/A0.092%
2/13/2025Barclays PLC157,528$1.14M0.0%+1.1%0.221%
2/13/2025Summit Financial Wealth Advisors LLC99,488$717K0.1%+116.7%0.140%
2/13/2025Raymond James Financial Inc.12,240$88K0.0%N/A0.017%
2/13/2025Legal & General Group Plc68,102$491K0.0%-8.2%0.096%
2/13/2025Invesco Ltd.247,086$1.78M0.0%+679.2%0.347%
2/13/2025Wells Fargo & Company MN215,538$1.55M0.0%+69.3%0.303%
2/12/2025Headlands Technologies LLC14,054$101K0.0%N/A0.020%
2/12/2025Geode Capital Management LLC1,658,506$11.96M0.0%-0.6%2.332%
2/12/2025Wellington Management Group LLP205,233$1.48M0.0%+4.1%0.289%
2/12/2025Schroder Investment Management Group428,321$3.14M0.0%-9.6%0.602%
2/12/2025JPMorgan Chase & Co.102,940$742K0.0%+2.0%0.145%
2/11/2025Corebridge Financial Inc.35,312$255K0.0%-7.0%0.050%
2/11/2025Vanguard Group Inc.4,431,612$31.95M0.0%-11.1%6.231%
2/11/2025LPL Financial LLC58,173$419K0.0%+15.2%0.082%
2/11/2025Fortis Capital Management LLC16,606$120K0.0%N/A0.023%
2/11/2025Fox Run Management L.L.C.12,905$93K0.0%N/A0.018%
2/11/2025KLP Kapitalforvaltning AS11,300$81K0.0%N/A0.016%
2/11/2025AXQ Capital LP12,388$89K0.0%-47.3%0.017%
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2/11/2025American Century Companies Inc.44,742$323K0.0%+35.8%0.063%
2/11/2025Virtu Financial LLC86,831$626K0.0%-20.9%0.122%
2/11/2025Teacher Retirement System of Texas21,205$153K0.0%+19.2%0.030%
2/11/2025Intech Investment Management LLC46,123$333K0.0%+36.7%0.065%
2/10/2025Commonwealth Equity Services LLC86,094$621K0.0%-3.4%0.121%
2/7/2025Sequoia Financial Advisors LLC13,655$98K0.0%+34.5%0.019%
2/6/2025Raymond James Financial Inc.12,240$88K0.0%N/A0.017%
2/6/2025Cullen Frost Bankers Inc.10,000$72K0.0%N/A0.014%
2/6/2025Steward Partners Investment Advisory LLC28,050$202K0.0%+38.9%0.039%
2/6/2025SBI Securities Co. Ltd.6,205$45K0.0%N/A0.009%
(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, 158 institutional investors and hedge funds held shares of Altimmune. The most heavily invested institutionals were Ameriprise Financial Inc. ($37.89M), Vanguard Group Inc. ($22.04M), State Street Corp ($20.96M), Geode Capital Management LLC ($11.96M), Timelo Investment Management Inc. ($9.10M), Bellevue Group AG ($6.82M), and Knoll Capital Management LLC ($5.77M).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 134 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), Timelo Investment Management Inc. ($779.10K), Farallon Capital Management LLC ($436K), Lighthouse Investment Partners LLC ($399.36K), Knoll Capital Management LLC ($367.22K), Bellevue Group AG ($345.45K), and Dimensional Fund Advisors LP ($335.44K).

How much institutional buying is happening at Altimmune?

Institutional investors have bought a total of 6,026,126 shares in the last 24 months. This purchase volume represents approximately $39.39M in transactions.

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

Of the 44 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: Portolan Capital Management LLC ($579.27K), Vanguard Group Inc. ($576.40K), State Street Corp ($495.46K), Farallon Capital Management LLC ($442.40K), D. E. Shaw & Co. Inc. ($298.17K), SG Americas Securities LLC ($220.14K), and JPMorgan Chase & Co. ($191.85K).

How much institutional selling is happening at Altimmune?

Institutional investors have sold a total of 3,985,072 shares in the last 24 months. This volume of shares sold represents approximately $25.60M in transactions.


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This page (NASDAQ:ALT) was last updated on 7/16/2025 by MarketBeat.com Staff
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