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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, Q1 2025

Institutional positions in Alto Neuroscience, Inc. as of Mar 31, 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
83
+8 vs. Q4 2024
Shares held
20.8M
−1.46M (−6.5%) vs. Q4 2024
Total value
$45.0M
−$49.3M (−52.3%) vs. Q4 2024
New holders
20
18 more added
Sold out
12
27 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 83 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 heldQ1 2025: $45.0M
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, Q1 2025

Shares, value and share of portfolio for each institution holding Alto Neuroscience, Inc.; share changes are against Q4 2024.

Institutions holding ANRO in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
EverSource Wealth Advisors, LLC4$90.00%+4New
Caitong International Asset Management Co., Ltd22$480.00%+22New
SBI Securities Co., Ltd.46$990.00%+33+253.8%Added
The PNC Financial Services Group, Inc.142$3060.00%+142New
Sterling Capital Management LLC161$3480.00%−141−46.7%Reduced
Nisa Investment Advisors, LLC241$5210.00%+241New
UMA Financial Services, Inc.377$8150.00%+377New
Royal Bank of Canada791$1.00K0.00%−535−40.3%Reduced
Simplex Trading, LLC584$1.00K0.00%+584New
Group One Trading, L.P.491$1.06K0.00%+491New
New York State Common Retirement Fund900$1.94K0.00%00.0%Unchanged
Amalgamated Bank737$2.00K0.00%+430+140.1%Added
BNP Paribas Arbitrage, SA1,205$2.60K0.00%−41,315−97.2%Reduced
California State Teachers Retirement System1,571$3.39K0.00%00.0%Unchanged
Legal & General Group Plc2,135$4.61K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.2,164$4.67K0.00%00.0%Unchanged
CWM, LLC2,464$5.00K0.00%+2,146+674.8%Added
Whittier Trust Co of Nevada Inc2,482$5.34K0.00%00.0%Unchanged
Rothschild Investment LLC2,885$6.23K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)4,237$9.15K0.00%+1,545+57.4%Added
Police & Firemen's Retirement System of New Jersey4,320$9.33K0.00%00.0%Unchanged
Corebridge Financial, Inc.10,465$22.6K0.00%−155−1.5%Reduced
AlphaCore Capital LLC10,000$22.7K0.00%+10,000New
JPMorgan Chase & Co10,949$23.6K0.00%+708+6.9%Added
Wells Fargo & Company11,237$24.3K0.00%+248+2.3%Added
Quadrature Capital Ltd11,402$24.7K0.00%+11,402New
Bank of America Corp11,858$25.6K0.00%−44,674−79.0%Reduced
Mirae Asset Global ETFs Holdings Ltd.12,757$27.6K0.00%+546+4.5%Added
Prelude Capital Management, LLC13,645$29.5K0.00%+1,400+11.4%Added
Two Sigma Advisers, LP14,300$30.9K0.00%+14,300New
Intech Investment Management LLC14,765$31.9K0.00%+14,765New
Citigroup Inc15,144$32.7K0.00%−1,705−10.1%Reduced
Deutsche Bank AG15,210$32.9K0.00%00.0%Unchanged
Ameriprise Financial Inc15,269$33.0K0.00%−6,746−30.6%Reduced
Millennium Management LLC16,179$34.9K0.00%+16,179New
Squarepoint Ops LLC16,564$35.8K0.00%+16,564New
Bowie Capital Management, LLC19,484$42.1K0.00%00.0%Unchanged
University of Texas/Texas Am Investment Managment Co22,175$47.9K0.01%00.0%Unchanged
Barclays PLC22,508$48.6K0.00%−17,299−43.5%Reduced
AQR Capital Management LLC24,099$52.1K0.00%+24,099New
Brown Advisory Inc25,000$54.0K0.00%00.0%Unchanged
Two Sigma Investments, LP26,142$56.5K0.00%−4,558−14.8%Reduced
Rhumbline Advisers27,127$58.6K0.00%+1,571+6.1%Added
RBF Capital, LLC27,359$59.1K0.00%+27,359New
Susquehanna International Group, LLP28,002$60.5K0.00%−12,924−31.6%Reduced
Bridgeway Capital Management, LLC29,100$62.9K0.00%+29,100New
Invesco Ltd.31,031$67.0K0.00%+31,031New
Allianz Asset Management GmbH37,000$79.9K0.00%−25,100−40.4%Reduced
Citizens Financial Group Inc38,606$83.4K0.00%+38,606New
Cantor Fitzgerald, L. P.40,000$86.4K0.00%−335,000−89.3%Reduced
Graham Capital Management, L.P.40,199$86.8K0.00%−8,030−16.6%Reduced
Morgan Stanley46,807$101.1K0.00%−155,834−76.9%Reduced
Bank of New York Mellon Corp49,545$107.0K0.00%−2,726−5.2%Reduced
Price T Rowe Associates Inc53,929$117.0K0.00%−790,894−93.6%Reduced
Boothbay Fund Management, LLC56,132$121.2K0.00%−46,968−45.6%Reduced
Ieq Capital, LLC65,189$140.8K0.00%00.0%Unchanged
SCS Capital Management LLC66,777$144.2K0.00%+66,777New
Goldman Sachs Group Inc100,374$216.8K0.00%−10,903−9.8%Reduced
Stifel Financial Corp130,141$281.1K0.00%+1,441+1.1%Added
Nuveen, LLC139,953$302.3K0.00%+139,953New
Charles Schwab Investment Management Inc150,421$324.9K0.00%−4,410−2.8%Reduced
Ikarian Capital, LLC175,000$378.0K0.12%−175,000−50.0%Reduced
Almitas Capital LLC234,386$506.3K0.17%−32,526−12.2%Reduced
OrbiMed Advisors LLC250,000$540.0K0.01%00.0%Unchanged
State Street Corp338,716$731.6K0.00%−990−0.3%Reduced
Woodline Partners LP359,873$777.3K0.01%−262,103−42.1%Reduced
Integral Health Asset Management, LLC400,000$864.0K0.10%+100,000+33.3%Added
Alkeon Capital Management LLC477,101$1.03M0.01%00.0%Unchanged
Geode Capital Management, LLC486,859$1.05M0.00%+14,202+3.0%Added
Citadel Advisors LLC500,589$1.08M0.00%−475,397−48.7%Reduced
UBS Group AG510,210$1.10M0.00%+107,813+26.8%Added
Northern Trust Corp589,279$1.27M0.00%+2,144+0.4%Added
72 Investment Holdings, LLC667,778$1.44M4.05%00.0%Unchanged
Marshall Wace, LLP852,990$1.84M0.00%+15,616+1.9%Added
AWM Investment Company, Inc.901,984$1.95M0.27%+214,153+31.1%Added
Vestal Point Capital, LP915,000$1.98M0.14%00.0%Unchanged
Franklin Resources Inc1,162,608$2.51M0.00%00.0%Unchanged
Vanguard Group Inc1,218,645$2.63M0.00%−11,022−0.9%Reduced
Point72 Asset Management, L.P.1,240,053$2.68M0.01%−452,100−26.7%Reduced
FMR LLC1,272,686$2.75M0.00%+7,140+0.6%Added
BlackRock, Inc.1,459,176$3.15M0.00%−20,838−1.4%Reduced
Armistice Capital, LLC1,600,000$3.46M0.09%+950,000+146.2%Added
Falcon Edge Capital, LP3,707,757$8.01M3.57%00.0%Unchanged
TD Asset Management Inc0$00.00%−110,792−100.0%Sold out
Wellington Management Group LLP0$00.00%−77,146−100.0%Sold out
Manufacturers Life Insurance Company, The0$00.00%−62,391−100.0%Sold out
LMR Partners LLP0$00.00%−51,700−100.0%Sold out
Corton Capital Inc.0$00.00%−33,553−100.0%Sold out
Jane Street Group, LLC0$00.00%−18,600−100.0%Sold out
Skandinaviska Enskilda Banken AB (publ)0$00.00%−17,721−100.0%Sold out
Atom Investors LP0$00.00%−10,419−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−883−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−249−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−177−100.0%Sold out
R Squared Ltd0$00.00%−140−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed
Wetherby Asset Management Inc––––Not filed