Free Trial

Alto Neuroscience (ANRO) Institutional Ownership

Alto Neuroscience logo
$25.02 +0.99 (+4.12%)
As of 01:12 PM Eastern
This is a fair market value price provided by Massive. Learn more.

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

Number of
Institutional Buyers
(last 12 months)
50
Total
Institutional Inflows
(last 12 months)
$225.75M
Number of
Institutional Sellers
(last 12 months)
17
Total
Institutional Outflows
(last 12 months)
$23.75M
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.

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

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/8/2026Farther Finance Advisors LLC5,355$137K0.0%+48,581.8%0.014%
9/9/2026Squarepoint Ops LLC21,286$562K0.0%-29.0%0.054%
8/19/2026Wellington Management Group LLP70,913$1.87M0.0%+18.6%0.202%
8/15/2026AWM Investment Company Inc.80,000$2.11M0.2%N/A0.228%
8/6/2026Bank of New York Mellon Corp76,330$2.01M0.0%N/A0.218%
7/7/2026GK Wealth Management LLC8,565$226K0.1%N/A0.024%
5/29/2026Perceptive Advisors LLC2,009,893$45.18M0.9%+12.6%5.728%
5/19/2026Bank of America Corp DE25,677$577K0.0%+131.5%0.073%
5/18/2026Eversept Partners LP125,168$2.81M0.1%N/A0.357%
5/16/2026The Manufacturers Life Insurance Company23,747$534K0.0%N/A0.068%
5/16/2026Quantinno Capital Management LP36,069$811K0.0%+1.4%0.103%
5/16/2026Orbimed Advisors LLC167,500$3.77M0.1%+34.0%0.477%
5/15/2026Commodore Capital LP2,723,196$61.22M3.5%+49.4%7.761%
5/15/2026OMERS ADMINISTRATION Corp9,700$218K0.0%-21.8%0.030%
5/15/2026Affinity Asset Advisors LLC500,000$11.24M0.6%N/A1.565%
5/15/2026Spruce Street Capital LP1,325,210$29.12M7.0%+494.7%4.148%
5/14/2026Renaissance Technologies LLC103,499$2.33M0.0%+6.3%0.324%
5/7/2026Dimensional Fund Advisors LP39,324$884K0.0%+26.1%0.123%
5/6/2026Jennison Associates LLC386,426$8.69M0.0%N/A1.209%
4/28/2026AdvisorShares Investments LLC41,023$922K0.2%-6.9%0.128%
4/28/2026Revisor Wealth Management LLC17,130$385K0.1%N/A0.054%
4/27/2026Y Intercept Hong Kong Ltd23,945$538K0.0%N/A0.075%
2/18/2026XTX Topco Ltd20,824$371K0.0%+32.2%0.067%
2/18/2026Ikarian Capital LLC515,000$9.17M0.7%+368.2%1.658%
2/18/2026Vestal Point Capital LP2,485,000$44.23M1.5%+161.6%7.999%
2/18/2026Wellington Management Group LLP69,016$1.23M0.0%N/A0.222%
2/18/2026Orbimed Advisors LLC125,000$2.23M0.0%-50.0%0.402%
2/18/2026Perceptive Advisors LLC1,784,393$31.76M0.6%+1,048.5%5.744%
2/18/2026Millennium Management LLC629,985$11.21M0.0%+99.5%2.028%
2/18/2026Commodore Capital LP1,823,196$32.45M2.2%N/A5.869%
2/18/2026Artia Global Partners LP29,192$520K0.1%N/A0.094%
2/18/2026Balyasny Asset Management L.P.11,120$198K0.0%N/A0.036%
2/18/2026Boothbay Fund Management LLC139,304$2.48M0.0%+329.0%0.448%
2/18/2026Armistice Capital LLC1,536,000$27.34M0.3%-6.1%4.944%
2/18/2026683 Capital Management LLC64,782$1.15M0.1%N/A0.209%
2/17/2026Almitas Capital LLC78,520$1.40M0.3%-59.8%0.253%
2/17/2026Price T Rowe Associates Inc. MD30,228$539K0.0%-49.1%0.097%
2/17/2026Integral Health Asset Management LLC375,000$6.68M0.3%-6.3%1.207%
2/17/2026ExodusPoint Capital Management LP18,786$334K0.0%N/A0.060%
2/16/2026OMERS ADMINISTRATION Corp12,400$221K0.0%N/A0.040%
Ready to give options a try? Your first trade (Ticker included) -INSIDE (Ad)

Tired of trying tactic after tactic when it comes to options trades... only to be met with market noise and stinging losses? Dave Aquino is giving away the exact 11-hour options strategy he uses in volatile markets. You get the plain English blueprint behind the strategy and the very same "rinse and repeat" ticker he's traded nearly 900 times with a 95.3% success rate. It's so simple to understand, you could trade it tomorrow.tc pixel

2/16/2026Spruce Street Capital LP222,844$3.97M1.3%N/A0.717%
2/16/2026Barclays PLC30,392$541K0.0%+72,261.9%0.098%
2/13/2026Marshall Wace LLP193,109$3.44M0.0%-76.6%0.622%
2/13/2026Stifel Financial Corp87,164$1.55M0.0%-28.6%0.281%
2/13/2026AWM Investment Company Inc.225,000$4.01M0.4%-19.8%0.724%
2/13/2026Hudson Bay Capital Management LP34,789$619K0.0%N/A0.112%
2/13/2026Vivo Capital LLC1,035,551$18.43M1.2%N/A3.333%
2/13/2026Charles Schwab Investment Management Inc.17,064$304K0.0%N/A0.055%
2/13/2026State Street Corp130,665$2.33M0.0%+26.6%0.421%
2/13/2026Ieq Capital LLC75,294$1.34M0.0%+19.6%0.242%
2/12/2026Renaissance Technologies LLC97,399$1.73M0.0%+28.5%0.313%
2/12/2026Dimensional Fund Advisors LP31,176$555K0.0%N/A0.100%
2/12/2026Alps Advisors Inc.25,505$454K0.0%N/A0.082%
2/11/2026Franklin Resources Inc.1,119,578$19.93M0.0%-3.7%3.603%
2/10/2026Goldman Sachs Group Inc.156,319$2.78M0.0%+73.2%0.503%
2/10/2026SCS Capital Management LLC33,389$594K0.0%-50.0%0.107%
2/10/2026AdvisorShares Investments LLC44,077$785K0.1%N/A0.142%
2/10/2026Northwestern Mutual Wealth Management Co.212,672$3.79M0.0%+14,567.0%0.684%
2/9/2026Geode Capital Management LLC287,435$5.12M0.0%+20.8%0.925%
2/5/2026AlphaCore Capital LLC20,000$356K0.0%+100.0%0.064%
2/5/2026Northwestern Mutual Wealth Management Co.212,672$3.79M0.0%+14,567.0%0.684%
1/30/2026Citizens Financial Group Inc. RI28,190$502K0.0%-29.5%0.091%
1/30/2026Torren Management LLC3,484$62K0.0%N/A0.011%
1/28/2026Peapod Lane Capital LLC253,992$4.52M3.8%-9.9%0.817%
11/17/2025Armistice Capital LLC1,636,000$6.58M0.1%+0.7%5.266%
11/17/2025Susquehanna International Group LLP155,676$626K0.0%+154.9%0.501%
11/17/2025Millennium Management LLC315,758$1.27M0.0%+4.3%1.016%
11/14/2025Two Sigma Investments LP116,579$469K0.0%+160.6%0.430%
11/14/2025Bridgeway Capital Management LLC77,653$312K0.0%+43.5%0.287%
11/14/2025Squarepoint Ops LLC22,816$92K0.0%-66.4%0.084%
11/13/2025UBS Group AG139,031$559K0.0%-67.5%0.513%
11/12/2025AlphaCore Capital LLC10,000$40K0.0%-50.0%0.037%
11/10/2025Peapod 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%
10/31/2025Vanguard Personalized Indexing Management LLC17,045$69K0.0%+13.7%0.063%
10/24/2025Citizens Financial Group Inc. RI40,000$161K0.0%+19.0%0.148%
8/15/2025Boothbay Fund Management LLC32,472$71K0.0%-42.2%0.120%
8/15/2025Bridgeway Capital Management LLC54,100$119K0.0%+85.9%0.200%
8/15/2025AWM Investment Company Inc.280,483$617K0.1%-68.9%1.036%
8/14/2025Jane Street Group LLC109,020$240K0.0%N/A0.403%
8/14/2025Armistice Capital LLC1,624,000$3.57M0.1%+1.5%5.999%
8/13/2025Marshall Wace LLP937,407$2.06M0.0%+9.9%3.463%
8/12/2025AlphaCore Capital LLC20,000$44K0.0%+100.0%0.074%
8/8/2025Citizens Financial Group Inc. RI33,606$74K0.0%-13.0%0.124%
8/8/2025Geode Capital Management LLC229,721$506K0.0%-52.8%0.849%
8/5/2025Bank of Montreal Can11,342$25K0.0%N/A0.042%
8/1/2025Y Intercept Hong Kong Ltd38,597$85K0.0%N/A0.143%
7/31/2025Peapod Lane Capital LLC278,857$613K0.6%N/A1.030%
7/31/2025Ground Swell Capital LLC12,447$27K0.0%N/A0.046%
7/25/2025Vanguard Personalized Indexing Management LLC14,990$33K0.0%N/A0.055%
Ready to give options a try? Your first trade (Ticker included) -INSIDE (Ad)

Tired of trying tactic after tactic when it comes to options trades... only to be met with market noise and stinging losses? Dave Aquino is giving away the exact 11-hour options strategy he uses in volatile markets. You get the plain English blueprint behind the strategy and the very same "rinse and repeat" ticker he's traded nearly 900 times with a 95.3% success rate. It's so simple to understand, you could trade it tomorrow.tc pixel

6/27/2025Goldman 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%
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%


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), Perceptive Advisors LLC ($45.18M), Vestal Point Capital LP ($44.23M), 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 80 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), Perceptive Advisors LLC ($1.85M), Vestal Point Capital LP ($1.83M), 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 11,882,586 shares in the last 24 months. This purchase volume represents approximately $225.75M in transactions.

Of the 17 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: Marshall Wace LLP ($632.12K), UBS Group AG ($289.19K), Orbimed Advisors LLC ($125K), Almitas Capital LLC ($116.63K), Armistice Capital LLC ($100K), AWM Investment Company Inc. ($55.48K), and Squarepoint Ops LLC ($53.81K).

Institutional investors have sold a total of 1,593,205 shares in the last 24 months. This volume of shares sold represents approximately $23.75M in transactions.



Institutional ownership data for NYSE:ANRO is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 10/8/2026. New 13F filings are added each quarter as they're published.
From Our Partners