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Alto Neuroscience, Inc.

ANRO
Exchange
NYSE
Industry
Pharmaceutical Preparations
SEC CIK
0001999480

No open-market purchases or sales by Alto Neuroscience, Inc. insiders were filed in the last 90 days; 114 institutions reported holding it in 13F filings for Q2 2026, worth $777.6M in total; no superinvestor holds it.

13F holders, Q2 2025

Institutional positions in Alto Neuroscience, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
80
−3 vs. Q1 2025
Shares held
17.3M
−3.55M (−17.0%) vs. Q1 2025
Total value
$38.1M
−$6.98M (−15.5%) vs. Q1 2025
New holders
20
21 more added
Sold out
23
23 more reduced

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ANRO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 80 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 53 institutionsQ2 2024: 58 institutionsQ3 2024: 75 institutionsQ4 2024: 77 institutionsQ1 2025: 83 institutionsQ2 2025: 80 institutionsQ3 2025: 77 institutionsQ4 2025: 97 institutionsQ1 2026: 110 institutionsQ2 2026: 114 institutions
Value heldQ2 2025: $38.1M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $245.2MQ2 2024: $198.8MQ3 2024: $265.5MQ4 2024: $95.3MQ1 2025: $45.0MQ2 2025: $38.1MQ3 2025: $67.4MQ4 2025: $435.9MQ1 2026: $602.5MQ2 2026: $777.6M
Institutions holding ANRO and their total value by quarter
QuarterHoldersValue
Q2 2026114$777.6M
Q1 2026110$602.5M
Q4 202597$435.9M
Q3 202577$67.4M
Q2 202580$38.1M
Q1 202583$45.0M
Q4 202477$95.3M
Q3 202475$265.5M
Q2 202458$198.8M
Q1 202453$245.2M
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Alto Neuroscience, Inc.; share changes are against Q1 2025.

Institutions holding ANRO in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Falcon Edge Capital, LP3,707,757$8.16M0.88%00.0%Unchanged
Armistice Capital, LLC1,624,000$3.57M0.14%+24,000+1.5%Added
Point72 Asset Management, L.P.1,329,755$2.93M0.01%+89,702+7.2%Added
Franklin Resources Inc1,162,608$2.56M0.00%00.0%Unchanged
Vanguard Group Inc1,084,705$2.39M0.00%−133,940−11.0%Reduced
Vestal Point Capital, LP950,000$2.09M0.11%+35,000+3.8%Added
Marshall Wace, LLP937,407$2.06M0.00%+84,417+9.9%Added
72 Investment Holdings, LLC667,778$1.47M3.83%00.0%Unchanged
BlackRock, Inc.561,848$1.24M0.00%−897,328−61.5%Reduced
Alkeon Capital Management LLC477,101$1.05M0.01%00.0%Unchanged
Northern Trust Corp463,344$1.02M0.00%−125,935−21.4%Reduced
UBS Group AG428,216$942.1K0.00%−81,994−16.1%Reduced
Integral Health Asset Management, LLC400,000$880.0K0.08%00.0%Unchanged
Millennium Management LLC302,862$666.3K0.00%+286,683+1,771.9%Added
AWM Investment Company, Inc.280,483$617.1K0.07%−621,501−68.9%Reduced
Peapod Lane Capital LLC278,857$613.5K0.61%+278,857New
OrbiMed Advisors LLC250,000$550.0K0.01%00.0%Unchanged
Geode Capital Management, LLC229,721$505.6K0.00%−257,138−52.8%Reduced
Almitas Capital LLC195,145$429.3K0.11%−39,241−16.7%Reduced
Goldman Sachs Group Inc166,087$365.4K0.00%+65,713+65.5%Added
Stifel Financial Corp126,853$279.1K0.00%−3,288−2.5%Reduced
Charles Schwab Investment Management Inc115,263$253.6K0.00%−35,158−23.4%Reduced
Ikarian Capital, LLC110,000$242.0K0.08%−65,000−37.1%Reduced
Jane Street Group, LLC109,020$239.8K0.00%+109,020New
State Street Corp104,734$230.4K0.00%−233,982−69.1%Reduced
Wetherby Asset Management Inc84,162$185.2K0.01%+84,162New
Two Sigma Advisers, LP82,200$180.8K0.00%+67,900+474.8%Added
AQR Capital Management LLC76,512$168.3K0.00%+52,413+217.5%Added
Squarepoint Ops LLC67,948$149.5K0.00%+51,384+310.2%Added
SCS Capital Management LLC66,777$146.9K0.00%00.0%Unchanged
Ieq Capital, LLC65,189$143.4K0.00%00.0%Unchanged
Morgan Stanley64,630$142.2K0.00%+17,823+38.1%Added
Susquehanna International Group, LLP61,063$134.3K0.00%+33,061+118.1%Added
Price T Rowe Associates Inc59,428$131.0K0.00%+5,499+10.2%Added
Bridgeway Capital Management, LLC54,100$119.0K0.00%+25,000+85.9%Added
Two Sigma Investments, LP44,735$98.4K0.00%+18,593+71.1%Added
Cantor Fitzgerald, L. P.40,000$88.0K0.00%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd38,597$84.9K0.00%+38,597New
Allianz Asset Management GmbH37,000$81.4K0.00%00.0%Unchanged
Quantinno Capital Management LP35,579$78.3K0.00%+35,579New
Renaissance Technologies LLC34,700$76.3K0.00%+34,700New
Citizens Financial Group Inc33,606$73.9K0.00%−5,000−13.0%Reduced
Boothbay Fund Management, LLC32,472$71.4K0.00%−23,660−42.2%Reduced
Acadian Asset Management LLC26,477$57.0K0.00%+26,477New
Brown Advisory Inc25,000$55.0K0.00%00.0%Unchanged
University of Texas/Texas Am Investment Managment Co22,175$48.8K0.01%00.0%Unchanged
Jain Global LLC21,171$46.6K0.00%+21,171New
AlphaCore Capital LLC20,000$44.0K0.00%+10,000+100.0%Added
Bowie Capital Management, LLC19,484$42.9K0.00%00.0%Unchanged
JustInvest LLC14,990$33.0K0.00%+14,990New
DRW Securities, LLC14,080$31.0K0.00%+14,080New
Ameriprise Financial Inc13,582$29.9K0.00%−1,687−11.0%Reduced
Ground Swell Capital, LLC12,447$27.4K0.04%+12,447New
Royal Bank of Canada12,084$26.0K0.00%+11,293+1,427.7%Added
Prelude Capital Management, LLC11,401$25.1K0.00%−2,244−16.4%Reduced
Bank of Montreal11,342$25.0K0.00%+11,342New
FMR LLC8,297$18.3K0.00%−1,264,389−99.3%Reduced
CWM, LLC3,769$8.00K0.00%+1,305+53.0%Added
Rothschild Investment LLC2,885$6.35K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,618$5.76K0.00%−1,619−38.2%Reduced
Whittier Trust Co of Nevada Inc2,482$5.46K0.00%00.0%Unchanged
Citigroup Inc2,303$5.07K0.00%−12,841−84.8%Reduced
The PNC Financial Services Group, Inc.1,763$3.88K0.00%+1,621+1,141.5%Added
Bank of America Corp945$2.08K0.00%−10,913−92.0%Reduced
Group One Trading, L.P.825$1.81K0.00%+334+68.0%Added
BNP Paribas Arbitrage, SA805$1.77K0.00%−400−33.2%Reduced
Federated Hermes, Inc.765$1.68K0.00%+765New
EverSource Wealth Advisors, LLC624$1.37K0.00%+620+15,500.0%Added
Nisa Investment Advisors, LLC416$9150.00%+175+72.6%Added
Wells Fargo & Company351$7720.00%−10,886−96.9%Reduced
Russell Investments Group, Ltd.306$6730.00%+306New
Fortitude Family Office, LLC292$6420.00%+292New
True Wealth Design, LLC207$4560.00%+207New
Clearstead Advisors, LLC178$3920.00%+178New
Advisor Group Holdings, Inc.49$1060.00%+49New
SBI Securities Co., Ltd.46$1010.00%00.0%Unchanged
Essential Partners LLC8$180.00%+8New
Caitong International Asset Management Co., Ltd2$40.00%−20−90.9%Reduced
Barclays PLC1$20.00%−22,507−100.0%Reduced
IFP Advisors, Inc1$20.00%+1New
Citadel Advisors LLC0$00.00%−500,589−100.0%Sold out
Woodline Partners LP0$00.00%−359,873−100.0%Sold out
Nuveen, LLC0$00.00%−139,953−100.0%Sold out
Bank of New York Mellon Corp0$00.00%−49,545−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−40,199−100.0%Sold out
Invesco Ltd.0$00.00%−31,031−100.0%Sold out
RBF Capital, LLC0$00.00%−27,359−100.0%Sold out
Rhumbline Advisers0$00.00%−27,127−100.0%Sold out
Deutsche Bank AG0$00.00%−15,210−100.0%Sold out
Intech Investment Management LLC0$00.00%−14,765−100.0%Sold out
Mirae Asset Global ETFs Holdings Ltd.0$00.00%−12,757−100.0%Sold out
Quadrature Capital Ltd0$00.00%−11,402−100.0%Sold out
JPMorgan Chase & Co0$00.00%−10,949−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−10,465−100.0%Sold out
Police & Firemen's Retirement System of New Jersey0$00.00%−4,320−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−2,164−100.0%Sold out
Legal & General Group Plc0$00.00%−2,135−100.0%Sold out
California State Teachers Retirement System0$00.00%−1,571−100.0%Sold out
Amalgamated Bank0$00.00%−737−100.0%Sold out
New York State Common Retirement Fund0$00.00%−900−100.0%Sold out