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Alto Neuroscience (ANRO) Institutional Ownership

Alto Neuroscience logo
$3.91 +0.32 (+8.83%)
Closing price 08/22/2025 03:59 PM Eastern
Extended Trading
$3.90 -0.01 (-0.18%)
As of 08/22/2025 06:35 PM 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 Alto Neuroscience (NYSE:ANRO)

Number of
Institutional Buyers
(last 12 months)
51
Total
Institutional Inflows
(last 12 months)
$44.80M
Number of
Institutional Sellers
(last 12 months)
18
Total
Institutional Outflows
(last 12 months)
$9.63M
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ANRO Institutional Buying and Selling by Quarter

Alto Neuroscience Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/15/2025 Boothbay Fund Management LLC32,472$71K0.0%-42.2%0.120%
8/15/2025 Bridgeway Capital Management LLC54,100$119K0.0%+85.9%0.200%
8/15/2025 AWM Investment Company Inc.280,483$617K0.1%-68.9%1.036%
8/14/2025 Jane Street Group LLC109,020$240K0.0%N/A0.403%
8/14/2025 Armistice Capital LLC1,624,000$3.57M0.1%+1.5%5.999%
8/13/2025 Marshall Wace LLP937,407$2.06M0.0%+9.9%3.463%
8/12/2025 AlphaCore Capital LLC20,000$44K0.0%+100.0%0.074%
8/8/2025 Citizens Financial Group Inc. RI33,606$74K0.0%-13.0%0.124%
8/8/2025 Geode Capital Management LLC229,721$506K0.0%-52.8%0.849%
8/5/2025 Bank of Montreal Can11,342$25K0.0%N/A0.042%
8/1/2025 Y Intercept Hong Kong Ltd38,597$85K0.0%N/A0.143%
7/31/2025 Peapod Lane Capital LLC278,857$613K0.6%N/A1.030%
7/31/2025 Ground Swell Capital LLC12,447$27K0.0%N/A0.046%
7/25/2025 Vanguard Personalized Indexing Management LLC14,990$33K0.0%N/A0.055%
6/27/2025 Goldman Sachs Group Inc.100,374$217K0.0%-9.8%0.371%
5/19/2025 SCS Capital Management LLC66,777$144K0.0%N/A0.247%
5/16/2025 Woodline Partners LP359,873$777K0.0%-42.1%1.329%
5/16/2025 Goldman Sachs Group Inc.100,374$217K0.0%-9.8%0.371%
5/16/2025 AQR Capital Management LLC24,099$52K0.0%N/A0.089%
5/16/2025 AWM Investment Company Inc.901,984$1.95M0.3%+31.1%3.332%
5/16/2025 Almitas Capital LLC234,386$506K0.2%-12.2%0.866%
5/15/2025 Armistice Capital LLC1,600,000$3.46M0.1%+146.2%5.910%
5/12/2025 Nuveen LLC139,953$302K0.0%N/A0.517%
5/12/2025 Invesco Ltd.31,031$67K0.0%N/A0.115%
5/9/2025 Citizens Financial Group Inc. RI38,606$83K0.0%N/A0.143%
5/5/2025 Allianz Asset Management GmbH37,000$80K0.0%-40.4%0.137%
3/24/2025 Wellington Management Group LLP77,146$326K0.0%+27.2%0.286%
2/18/2025 AWM Investment Company Inc.687,831$2.91M0.4%+22.9%2.550%
2/17/2025 Woodline Partners LP621,976$2.63M0.0%+397.6%2.306%
2/17/2025 Vestal Point Capital LP915,000$3.87M0.2%+40.8%3.393%
2/17/2025 Two Sigma Investments LP30,700$130K0.0%+137.2%0.114%
2/17/2025 Point72 Asset Management L.P.1,692,153$7.16M0.0%+73.1%6.274%
2/17/2025Nuveen Asset Management LLC139,953$592K0.0%-30.5%0.519%
2/17/2025 Orbimed Advisors LLC250,000$1.06M0.0%N/A0.927%
2/17/2025 LMR Partners LLP51,700$219K0.0%N/A0.192%
2/17/2025 Integral Health Asset Management LLC300,000$1.27M0.1%N/A1.112%
2/17/2025 Graham Capital Management L.P.48,229$204K0.0%N/A0.179%
2/17/2025 Deutsche Bank AG15,210$64K0.0%+31.3%0.056%
2/17/2025 Corton Capital Inc.33,553$142K0.1%N/A0.124%
2/17/2025 Cantor Fitzgerald L. P.375,000$1.58M0.0%N/A1.390%
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2/17/2025 Bank of America Corp DE56,532$239K0.0%+63.7%0.210%
2/17/2025 BNP Paribas Financial Markets42,520$180K0.0%+885.4%0.158%
2/17/2025 Alkeon Capital Management LLC477,101$2.02M0.0%-49.0%1.769%
2/17/2025 Almitas Capital LLC266,912$1.13M0.2%N/A0.990%
2/14/2025 Jane Street Group LLC18,600$79K0.0%+72.0%0.069%
2/14/2025 Northern Trust Corp587,135$2.48M0.0%+198.1%2.177%
2/14/2025 The Manufacturers Life Insurance Company62,391$264K0.0%-5.2%0.231%
2/14/2025 Boothbay Fund Management LLC103,100$436K0.0%-1,941.1%0.382%
2/14/2025 Price T Rowe Associates Inc. MD844,823$3.58M0.0%+4.5%3.132%
2/14/2025 Stifel Financial Corp128,700$544K0.0%N/A0.477%
2/13/2025 Marshall Wace LLP837,374$3.54M0.0%N/A3.105%
2/13/2025 Barclays PLC39,807$168K0.0%+34.5%0.148%
2/13/2025 Wells Fargo & Company MN10,989$46K0.0%+40.0%0.041%
2/12/2025 Franklin Resources Inc.1,162,608$4.92M0.0%-4.8%4.311%
2/12/2025 Wellington Management Group LLP77,146$326K0.0%+27.2%0.286%
2/12/2025 JPMorgan Chase & Co.10,241$43K0.0%-57.9%0.038%
2/10/2025 Skandinaviska Enskilda Banken AB publ17,721$74K0.0%N/A0.066%
2/6/2025 Charles Schwab Investment Management Inc.154,831$655K0.0%-17.2%0.574%
2/4/2025 Bank of New York Mellon Corp52,271$221K0.0%+15.0%0.194%
1/30/2025 Rhumbline Advisers25,556$108K0.0%+24.4%0.095%
12/26/2024 JPMorgan Chase & Co.24,315$278K0.0%+543.4%0.090%
11/27/2024 Franklin Resources Inc.1,220,712$13.97M0.0%+95.3%4.526%
11/19/2024 Barclays PLC29,599$339K0.0%+872.7%0.110%
11/16/2024 Geode Capital Management LLC469,988$5.38M0.0%+148.7%1.743%
11/15/2024 Barclays PLC29,599$339K0.0%+872.7%0.110%
11/15/2024 Jane Street Group LLC10,817$124K0.0%N/A0.040%
11/15/2024 Wellington Management Group LLP60,636$694K0.0%N/A0.225%
11/15/2024 State Street Corp236,857$2.71M0.0%+123.7%0.878%
11/15/2024 RA Capital Management L.P.2,075,154$23.74M0.3%-0.5%7.694%
11/15/2024 Philadelphia Financial Management of San Francisco LLC449,952$5.15M0.8%+1.5%1.668%
11/15/2024 Point72 Asset Management L.P.977,692$11.19M0.0%-6.9%3.625%
11/14/2024 Fred Alger Management LLC181,435$2.08M0.0%+56.1%0.673%
11/14/2024 Vestal Point Capital LP650,000$7.44M0.6%+4.8%2.411%
11/14/2024 MetLife Investment Management LLC12,783$146K0.0%N/A0.047%
11/13/2024 BNP Paribas Financial Markets4,315$49K0.0%+619.2%0.016%
11/13/2024 FMR LLC2,363,056$27.03M0.0%+1.4%8.765%
11/13/2024 The Manufacturers Life Insurance Company65,805$753K0.0%+84.5%0.244%
11/13/2024 Bowie Capital Management LLC19,484$223K0.0%-54.9%0.072%
11/12/2024 Charles Schwab Investment Management Inc.186,968$2.14M0.0%+182.5%0.694%
11/12/2024 Board of Trustees of The Leland Stanford Junior University79,740$912K0.1%-76.8%0.296%
11/8/2024 Jennison Associates LLC832,290$9.52M0.0%+80.3%3.087%
8/19/2024 Point72 Asset Management L.P.1,050,037$11.23M0.0%-6.7%3.906%
8/14/2024 Fred Alger Management LLC116,254$1.24M0.0%-1.5%0.432%
8/8/2024 Federated Hermes Inc.12,000$128K0.0%+33.3%0.045%
8/6/2024 Bowie Capital Management LLC43,186$462K0.0%N/A0.161%
8/3/2024 TD Asset Management Inc86,792$928K0.0%N/A0.323%
8/1/2024 Rhumbline Advisers10,539$113K0.0%N/A0.039%
7/26/2024 Bank of New York Mellon Corp23,557$252K0.0%N/A0.088%
5/17/2024 RA Capital Management L.P.1,385,491$21.27M0.3%N/A5.154%
5/17/2024 Artal Group S.A.350,000$5.37M0.1%N/A1.302%
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5/17/2024 Zimmer Partners LP75,000$1.15M0.0%N/A0.279%
5/16/2024 AWM Investment Company Inc.299,147$4.59M0.6%N/A1.113%
5/15/2024 Price T Rowe Associates Inc. MD637,604$9.79M0.0%N/A2.372%
5/10/2024 Vanguard Group Inc.536,332$8.23M0.0%N/A1.995%
5/2/2024 Jennison Associates LLC458,599$7.04M0.0%N/A1.706%
4/30/2024 University of Texas Texas AM Investment Managment Co.22,175$340K0.1%N/A0.082%
(Data available from 1/1/2016 forward)

ANRO Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ANRO shares?

During the previous two years, 64 institutional investors and hedge funds held shares of Alto Neuroscience. The most heavily invested institutionals were FMR LLC ($27.03M), RA Capital Management L.P. ($23.74M), Jennison Associates LLC ($9.52M), Vanguard Group Inc. ($8.23M), Point72 Asset Management L.P. ($7.16M), Artal Group S.A. ($5.37M), and Philadelphia Financial Management of San Francisco LLC ($5.15M).Learn more on Alto Neuroscience's institutional investors.

Which institutional investors have been buying Alto Neuroscience's stock?

Of the 59 institutional investors that purchased Alto Neuroscience's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: RA Capital Management L.P. ($1.39M), Armistice Capital LLC ($974K), Marshall Wace LLP ($921.79K), Jennison Associates LLC ($829.21K), Point72 Asset Management L.P. ($714.46K), Price T Rowe Associates Inc. MD ($673.92K), and AWM Investment Company Inc. ($641.40K).

How much institutional buying is happening at Alto Neuroscience?

Institutional investors have bought a total of 8,494,480 shares in the last 24 months. This purchase volume represents approximately $44.80M in transactions.

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

Of the 18 institutional investors that sold Alto Neuroscience's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: AWM Investment Company Inc. ($621.50K), Alkeon Capital Management LLC ($457.80K), Board of Trustees of The Leland Stanford Junior University ($264.27K), Woodline Partners LP ($262.10K), Geode Capital Management LLC ($257.14K), Point72 Asset Management L.P. ($72.35K), and Nuveen Asset Management LLC ($61.31K).

How much institutional selling is happening at Alto Neuroscience?

Institutional investors have sold a total of 2,246,396 shares in the last 24 months. This volume of shares sold represents approximately $9.63M in transactions.


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This page (NYSE:ANRO) was last updated on 8/23/2025 by MarketBeat.com Staff
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