Free Trial
Memorial Day Savings! Save $100 on MarketBeat All Access
Claim Your Discount
Claim MarketBeat All Access Sale Promotion

Alto Neuroscience (ANRO) Institutional Ownership

Alto Neuroscience logo
$20.33 -1.47 (-6.72%)
Closing price 03:59 PM Eastern
Extended Trading
$20.44 +0.11 (+0.52%)
As of 05:30 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 Massive. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Alto Neuroscience (NYSE:ANRO)

Number of
Institutional Buyers
(last 12 months)
51
Total
Institutional Inflows
(last 12 months)
$217.24M
Number of
Institutional Sellers
(last 12 months)
20
Total
Institutional Outflows
(last 12 months)
$25.55M
Get ANRO Insider Trade Alerts

Want to know when executives and insiders are buying or selling Alto Neuroscience stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

ANRO Institutional Buying and Selling by Quarter

Alto Neuroscience Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/19/2026 Bank of America Corp DE25,677$577K0.0%+131.5%0.073%
5/18/2026 Eversept Partners LP125,168$2.81M0.1%N/A0.357%
5/16/2026 The Manufacturers Life Insurance Company 23,747$534K0.0%N/A0.068%
5/16/2026 Quantinno Capital Management LP36,069$811K0.0%+1.4%0.103%
5/16/2026 Orbimed Advisors LLC167,500$3.77M0.1%+34.0%0.477%
5/15/2026 Commodore Capital LP2,723,196$61.22M3.5%+49.4%7.761%
5/15/2026 OMERS ADMINISTRATION Corp9,700$218K0.0%-21.8%0.030%
5/15/2026 Affinity Asset Advisors LLC500,000$11.24M0.6%N/A1.565%
5/15/2026 Spruce Street Capital LP1,325,210$29.12M7.0%+494.7%4.148%
5/14/2026 Renaissance Technologies LLC103,499$2.33M0.0%+6.3%0.324%
5/7/2026 Dimensional Fund Advisors LP39,324$884K0.0%+26.1%0.123%
5/6/2026 Jennison Associates LLC386,426$8.69M0.0%N/A1.209%
4/28/2026 AdvisorShares Investments LLC41,023$922K0.2%-6.9%0.128%
4/28/2026 Revisor Wealth Management LLC17,130$385K0.1%N/A0.054%
4/27/2026 Y Intercept Hong Kong Ltd23,945$538K0.0%N/A0.075%
2/18/2026 XTX Topco Ltd20,824$371K0.0%+32.2%0.067%
2/18/2026 Ikarian Capital LLC515,000$9.17M0.7%+368.2%1.658%
2/18/2026 Vestal Point Capital LP2,485,000$44.23M1.5%+161.6%7.999%
2/18/2026 Wellington Management Group LLP69,016$1.23M0.0%N/A0.222%
2/18/2026 Orbimed Advisors LLC125,000$2.23M0.0%-50.0%0.402%
2/18/2026 Perceptive Advisors LLC1,784,393$31.76M0.6%+1,048.5%5.744%
2/18/2026 Millennium Management LLC629,985$11.21M0.0%+99.5%2.028%
2/18/2026 Commodore Capital LP1,823,196$32.45M2.2%N/A5.869%
2/18/2026 Artia Global Partners LP29,192$520K0.1%N/A0.094%
2/18/2026 Balyasny Asset Management L.P.11,120$198K0.0%N/A0.036%
2/18/2026 Boothbay Fund Management LLC139,304$2.48M0.0%+329.0%0.448%
2/18/2026 Armistice Capital LLC1,536,000$27.34M0.3%-6.1%4.944%
2/18/2026 683 Capital Management LLC64,782$1.15M0.1%N/A0.209%
2/17/2026 Almitas Capital LLC78,520$1.40M0.3%-59.8%0.253%
2/17/2026 Price T Rowe Associates Inc. MD30,228$539K0.0%-49.1%0.097%
2/17/2026 Integral Health Asset Management LLC375,000$6.68M0.3%-6.3%1.207%
2/17/2026 ExodusPoint Capital Management LP18,786$334K0.0%N/A0.060%
2/16/2026 OMERS ADMINISTRATION Corp12,400$221K0.0%N/A0.040%
2/16/2026 Spruce Street Capital LP222,844$3.97M1.3%N/A0.717%
2/16/2026 Barclays PLC30,392$541K0.0%+72,261.9%0.098%
2/13/2026 Marshall Wace LLP193,109$3.44M0.0%-76.6%0.622%
2/13/2026 Stifel Financial Corp87,164$1.55M0.0%-28.6%0.281%
2/13/2026 AWM Investment Company Inc.225,000$4.01M0.4%-19.8%0.724%
2/13/2026 Hudson Bay Capital Management LP34,789$619K0.0%N/A0.112%
2/13/2026 Vivo Capital LLC1,035,551$18.43M1.2%N/A3.333%
Before you buy SpaceX shares, consider this alternative approach (Ad)

SpaceX has confidentially filed for an IPO with the SEC, targeting a June 2026 listing at a valuation exceeding $1.75 trillion - potentially the largest IPO in history. But one expert says buying shares directly may not be the smartest move. There is a lesser-known way to tap into this windfall that most investors haven't considered.tc pixel

Discover the overlooked SpaceX IPO strategy before the June listing
2/13/2026 Charles Schwab Investment Management Inc.17,064$304K0.0%N/A0.055%
2/13/2026 State Street Corp130,665$2.33M0.0%+26.6%0.421%
2/13/2026 Ieq Capital LLC75,294$1.34M0.0%+19.6%0.242%
2/12/2026 Renaissance Technologies LLC97,399$1.73M0.0%+28.5%0.313%
2/12/2026 Dimensional Fund Advisors LP31,176$555K0.0%N/A0.100%
2/12/2026 Alps Advisors Inc.25,505$454K0.0%N/A0.082%
2/11/2026 Franklin Resources Inc.1,119,578$19.93M0.0%-3.7%3.603%
2/10/2026 Goldman Sachs Group Inc.156,319$2.78M0.0%+73.2%0.503%
2/10/2026 SCS Capital Management LLC33,389$594K0.0%-50.0%0.107%
2/10/2026 AdvisorShares Investments LLC44,077$785K0.1%N/A0.142%
2/10/2026 Northwestern Mutual Wealth Management Co.212,672$3.79M0.0%+14,567.0%0.684%
2/9/2026 Geode Capital Management LLC287,435$5.12M0.0%+20.8%0.925%
2/5/2026 AlphaCore Capital LLC20,000$356K0.0%+100.0%0.064%
2/5/2026 Northwestern Mutual Wealth Management Co.212,672$3.79M0.0%+14,567.0%0.684%
1/30/2026 Citizens Financial Group Inc. RI28,190$502K0.0%-29.5%0.091%
1/30/2026 Torren Management LLC3,484$62K0.0%N/A0.011%
1/28/2026 Peapod Lane Capital LLC253,992$4.52M3.8%-9.9%0.817%
11/17/2025 Armistice Capital LLC1,636,000$6.58M0.1%+0.7%5.266%
11/17/2025 Susquehanna International Group LLP155,676$626K0.0%+154.9%0.501%
11/17/2025 Millennium Management LLC315,758$1.27M0.0%+4.3%1.016%
11/14/2025 Two Sigma Investments LP116,579$469K0.0%+160.6%0.430%
11/14/2025 Bridgeway Capital Management LLC77,653$312K0.0%+43.5%0.287%
11/14/2025 Squarepoint Ops LLC22,816$92K0.0%-66.4%0.084%
11/13/2025 UBS Group AG139,031$559K0.0%-67.5%0.513%
11/12/2025 AlphaCore Capital LLC10,000$40K0.0%-50.0%0.037%
11/10/2025 Peapod Lane Capital LLC281,963$1.14M1.0%+1.1%1.041%
11/7/2025Vanguard Group Inc.1,105,407$4.44M0.0%+1.9%4.082%
10/31/2025 Vanguard Personalized Indexing Management LLC17,045$69K0.0%+13.7%0.063%
10/24/2025 Citizens Financial Group Inc. RI40,000$161K0.0%+19.0%0.148%
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%
5/19/2025SCS Capital Management LLC66,777$144K0.0%N/A0.247%
5/16/2025Woodline Partners LP359,873$777K0.0%-42.1%1.329%
5/16/2025Goldman Sachs Group Inc.100,374$217K0.0%-9.8%0.371%
5/16/2025AQR Capital Management LLC24,099$52K0.0%N/A0.089%
5/16/2025AWM Investment Company Inc.901,984$1.95M0.3%+31.1%3.332%
5/16/2025Almitas Capital LLC234,386$506K0.2%-12.2%0.866%
ALERT: Drop these 5 stocks before the market opens tomorrow! (Ad)

The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings research points to the first half of 2026 as a particularly rough stretch for certain holdings. Some of America's most popular stocks could take serious damage as a radical market shift plays out. Analysts at Weiss Ratings have identified five names you may want to remove from your portfolio before this unfolds. If any of these are in your portfolio, now is the time to review your positions.tc pixel

See the 5 stocks to avoid
5/15/2025Armistice Capital LLC1,600,000$3.46M0.1%+146.2%5.910%
5/12/2025Nuveen LLC139,953$302K0.0%N/A0.517%
5/12/2025Invesco Ltd.31,031$67K0.0%N/A0.115%
5/9/2025Citizens Financial Group Inc. RI38,606$83K0.0%N/A0.143%
5/5/2025Allianz Asset Management GmbH37,000$80K0.0%-40.4%0.137%
3/24/2025Wellington Management Group LLP77,146$326K0.0%+27.2%0.286%
2/18/2025AWM Investment Company Inc.687,831$2.91M0.4%+22.9%2.550%
2/17/2025Woodline Partners LP621,976$2.63M0.0%+397.6%2.306%
2/17/2025Vestal Point Capital LP915,000$3.87M0.2%+40.8%3.393%
2/17/2025Two Sigma Investments LP30,700$130K0.0%+137.2%0.114%


ANRO Institutional Ownership - Frequently Asked Questions

During the previous two years, 88 institutional investors and hedge funds held shares of Alto Neuroscience. The most heavily invested institutionals were Commodore Capital LP ($61.22M), Vestal Point Capital LP ($44.23M), Perceptive Advisors LLC ($31.76M), Spruce Street Capital LP ($29.12M), Armistice Capital LLC ($27.34M), FMR LLC ($27.03M), and RA Capital Management L.P. ($23.74M).Learn more on Alto Neuroscience's institutional investors.

Of the 81 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: Commodore Capital LP ($2.72M), Vestal Point Capital LP ($1.83M), Perceptive Advisors LLC ($1.63M), Spruce Street Capital LP ($1.33M), Vivo Capital LLC ($1.04M), Armistice Capital LLC ($986K), and Marshall Wace LLP ($921.79K).

Institutional investors have bought a total of 12,084,403 shares in the last 24 months. This purchase volume represents approximately $217.24M in transactions.

Of the 20 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. ($676.98K), Marshall Wace LLP ($632.12K), UBS Group AG ($289.19K), Geode Capital Management LLC ($257.14K), Orbimed Advisors LLC ($125K), Almitas Capital LLC ($116.63K), and Armistice Capital LLC ($100K).

Institutional investors have sold a total of 2,502,732 shares in the last 24 months. This volume of shares sold represents approximately $25.55M in transactions.


Related Companies

This page (NYSE:ANRO) was last updated on 5/19/2026 by MarketBeat.com Staff.
From Our Partners
SpaceX eyes a 1.75 trillion valuation - here's what to know
Elon Musk's team has quietly filed confidential paperwork with the SEC for what Bloomberg estimates could be a...
Brownstone Research | Sponsoredtc pixel
Iran's New Leader Just Said Something That Should Terrify Every American
Iran's Supreme Leader has declared the Strait of Hormuz closed as leverage against the U.S. - and with 40% of ...
American Alternative | Sponsoredtc pixel
$30 stock to buy before Starlink goes public (WATCH NOW!)
In the next 3 minutes… James Altucher – legendary investor and venture capitalist… And someone who’s kno...
Paradigm Press | Sponsoredtc pixel
Trump's gold order: the announcement they won't put on the front page
On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...
Reagan Gold Group | Sponsoredtc pixel
My feud with Zohran Mamdani
Emmy-winning analyst releases his next big story Whitney Tilson shocked the nation on 60 Minutes when he ac...
Stansberry Research | Sponsoredtc pixel
Iran War Shock: What I Was Told In That Private Meeting
You’re Being LIED To About The Iran War Forget EVERYTHING you’ve heard about the Iran war. Especially th...
Banyan Hill Publishing | Sponsoredtc pixel
Why this tiny stock may move before the SpaceX IPO drops
The projected SpaceX and xAI S-1 filing hits the SEC on June 1st - and analyst Dylan Jovine says $1.75 trillio...
Behind the Markets | Sponsoredtc pixel
SpaceX IPO hides a much bigger story
The SpaceX IPO could be the biggest in history at $1.75 trillion - but the real story isn't the IPO itself. ...
Weiss Ratings | Sponsoredtc pixel