Alto Neuroscience Inc

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Alto Neuroscience Inc
TickerANRO
CIK #0001999480
CUSIP02157Q109
SectorLife Sciences - Pharmaceutical Preparations
Address369 South San Antonio Rd, Los Altos, CA 94022
Source [EDGAR]
CIK Filing 2011 - 2025
[0001999480] 10-K
[0001999480] 10-Q
[0001999480] 3
[0001999480] 4
[0001999480] 8-K
[0001999480] D
[0001999480] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
K2 Healthventures Equity Trust LLC Alto Neuroscience Inc [2025-05-15] 0.0
Armistice Capital LLC Alto Neuroscience Inc [2025-05-15] 0.0
Etkin Amit Alto Neuroscience Inc [2024-11-14] 81945.4
FMR LLC Alto Neuroscience Inc [2024-11-12] 0.0
BlackRock Inc Alto Neuroscience Inc [2024-11-08] 5.4
BlackRock Inc Alto Neuroscience Inc [2024-10-21] 5.4
RA Capital Management LP Alto Neuroscience Inc [2024-03-29] 5.2
Alpha Wave Global LP Alto Neuroscience Inc [2024-02-09] 13.8
Point72 Asset Management LP Alto Neuroscience Inc [2024-02-07] 3.8
Form 3/4/5 Filer 2011 - 2025
Sanchez Ramiro
Alto Neuroscience, Inc.
Etkin Amit
Smith Nicholas Conrad
Hanley Jr. Michael Conick
Savitz Adam
Cox Christopher Nixon
York Gwill
Manji Husseini
Dreyfus Andrew
Radhakrishnan Maha
Apeiron Presight Capital Fund II, L.P.
Angermayer Christian
Apeiron Investment Group Ltd.
Alpha Wave Global, LP
Lunate Holding RSC Ltd
Alpha Wave Ventures GP, Ltd
Chimera Investment LLC
Chen Po Yu (Jeff)
Alkeon Capital Management LLC
Form 13F Holdings
Firm Period DFND Voting Shares
Alpha Wave Global LP [2025-06-30] SOLE 3,707,757 3,707,757
Armistice Capital LLC [2025-06-30] SOLE 1,624,000 1,624,000
Point72 Asset Management LP [2025-06-30] DFND 0 1,329,755
Franklin Resources Inc [2025-06-30] DFND 1,162,608 1,162,608
Vanguard Group Inc [2025-06-30] SOLE 0 1,076,319
Vestal Point Capital LP [2025-06-30] SOLE 950,000 950,000
Marshall Wace LLP [2025-06-30] OTR 0 937,407
72 Investment Holdings, LLC [2025-06-30] DFND 0 667,778
BlackRock, Inc. [2025-06-30] SOLE 557,180 561,848
Alkeon Capital Management LLC [2025-06-30] SOLE 477,101 477,101
Northern Trust Corp [2025-06-30] DFND 463,344 463,344
UBS Group AG [2025-06-30] DFND 428,216 428,216
Integral Health Asset Management LLC [2025-06-30] SOLE 400,000 400,000
Millennium Management LLC [2025-06-30] SOLE 302,862 302,862
AWM Investment Company Inc [2025-06-30] SOLE 280,483 280,483
Peapod Lane Capital LLC [2025-06-30] SOLE 222,053 278,857
OrbiMed Advisors LLC [2025-06-30] SOLE 0 250,000
Geode Capital Management LLC [2025-06-30] DFND 229,721 229,721
Almitas Capital LLC [2025-06-30] SOLE 195,145 195,145
Goldman Sachs Group Inc [2025-06-30] DFND 166,087 166,087
Stifel Financial Corp [2025-06-30] DFND 109,200 126,853
Charles Schwab Investment Management Inc [2025-06-30] SOLE 115,263 115,263
Ikarian Capital LLC [2025-06-30] SOLE 110,000 110,000
Jane Street Group LLC [2025-06-30] DFND 109,020 109,020
State Street Corp [2025-06-30] DFND 104,734 104,734
Laird Norton Wetherby Wealth Management LLC [2025-06-30] SOLE 84,162 84,162
Two Sigma Advisers LP [2025-06-30] SOLE 80,200 82,200
AQR Capital Management LLC [2025-06-30] DFND 74,561 74,561
Squarepoint Ops LLC [2025-06-30] DFND 0 67,948
SCS Capital Management LLC [2025-06-30] SOLE 66,777 66,777
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