ALTO NEUROSCIENCE INC COM SHS

ALTO NEUROSCIENCE INC COM SHS is a security (CUSIP 02157Q109) tracked across SEC portfolio filings. 112 institutional managers reported $591.0M on Form 13F as of 2026-06-30; 8 registered fund positions totaling $14.1M via N-PORT as of 2026-04-30.

Summary

Top institutional holders (Form 13F)

Showing 15 of 112 managers by value.

ManagerLocationValueShares
Alpha Wave Global, LPNew York, NY$83.4M3,707,757
COMMODORE CAPITAL LPNEW YORK, NY$61.2M2,723,196
Vestal Point Capital, LPNEW YORK, NY$46.4M2,064,075
PERCEPTIVE ADVISORS LLCNEW YORK, NY$45.2M2,009,893
Spruce Street Capital LPNEW YORK, NY$29.1M1,325,210
FRANKLIN RESOURCES INCSan Mateo, CA$24.8M1,101,874
VANGUARD GROUP INCValley Forge, PA$24.3M1,365,847
Vivo Capital, LLCPalo Alto, CA$23.3M1,035,551
ARMISTICE CAPITAL, LLCNEW YORK, NY$20.5M912,000
MILLENNIUM MANAGEMENT LLCNEW YORK, NY$18.5M821,982
72 Investment Holdings, LLCStamford, CT$15.0M667,778
BlackRock, Inc.New York, NY$15.0M666,188
SUSQUEHANNA INTERNATIONAL GROUP, LLPBALA CYNWYD, PA$14.3M238,498
Ikarian Capital, LLCDALLAS, TX$11.6M515,000
Point72 Asset Management, L.P.Stamford, CT$11.3M503,087

Top fund holders (N-PORT)

FundRegistrantValue% of fund
VANGUARD EXTENDED MARKET INDEX FUNDVANGUARD INDEX FUNDS$6.8M0.83%
T. Rowe Price Health Sciences Fund, Inc.T. ROWE PRICE HEALTH SCIENCES FUND, INC.$6.0M5.54%
T. Rowe Price Health Sciences PortfolioT. ROWE PRICE EQUITY SERIES, INC.$369K5.56%
VANGUARD BALANCED INDEX FUNDVANGUARD VALLEY FORGE FUNDS$357K0.06%
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUNDVANGUARD INSTITUTIONAL INDEX FUNDS$289K0.10%
TIFF MULTI-ASSET FUNDTIFF Investment Program$177K1.27%
U.S. MICRO CAP PORTFOLIODFA INVESTMENT DIMENSIONS GROUP INC$58K0.08%
Blackstone Alternative Multi-Strategy FundBlackstone Alternative Investment Funds$29K0.08%

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