Alto Neuroscience, Inc. - Common Stock, $0.0001 par value per share (ANRO)

Historical Holders from Q1 2024 to Q4 2025

Type / Class
Equity / Common Stock, $0.0001 par value per share
Symbol
ANRO on NYSE
Shares outstanding
32,553,745
Price per share
$13.25
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
16,755,091
Total reported value
$67,358,617
% of total 13F portfolios
0%
Share change
-526,456
Value change
-$1,672,076
Number of holders
74
Price from insider filings
$13.25
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Alto Neuroscience, Inc. - Common Stock, $0.0001 par value per share (ANRO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Commodore Capital LP 9.8% $12,826,149 3,190,267 Commodore Capital LP 20 Oct 2025
ARMISTICE CAPITAL, LLC 7% $7,864,240 1,996,000 Armistice Capital, LLC 30 Jun 2025
PERCEPTIVE ADVISORS LLC 7.3% $7,718,845 1,989,393 Perceptive Advisors LLC 03 Oct 2025
Point72 Asset Management, L.P. 7% -20% $4,063,680 -$962,973 1,907,831 -19% Steven A. Cohen 31 Mar 2025
K2 HealthVentures Equity Trust LLC 5.6% $3,446,031 1,617,855 K2 HealthVentures Equity Trust LLC 13 Jan 2025
FMR LLC 4.7% $2,695,613 1,265,546 FMR LLC 31 Dec 2024
BlackRock, Inc. 2.1% $1,330,430 561,363 BlackRock, Inc. 30 Jun 2025
As of 30 Sep 2025, Alto Neuroscience, Inc. - Common Stock, $0.0001 par value per share (ANRO) has 74 institutional shareholders filing 13F forms. They hold 16,755,091 shares. of 32,553,745 outstanding shares (51%) .

Top 25 institutional shareholders own 48% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
Alpha Wave Global, LP 11% 3,707,757 0% 1.5% $14,905,183
ARMISTICE CAPITAL, LLC 5% 1,636,000 +0.74% 0.21% $6,576,720
Point72 Asset Management, L.P. 4.1% 1,332,437 +0.2% 0.01% $5,356,397
FRANKLIN RESOURCES INC 3.6% 1,162,608 0% 0% $4,673,684
VANGUARD GROUP INC 3.4% 1,105,407 +1.9% 0% $4,443,737
Vestal Point Capital, LP 2.9% 950,000 0% 0.17% $3,819,000
MARSHALL WACE, LLP 2.5% 825,225 -12% 0% $3,317,405
72 Investment Holdings, LLC 2.1% 667,778 0% 4% $2,684,468
ALKEON CAPITAL MANAGEMENT LLC 1.5% 477,101 0% 0.01% $1,917,946
NORTHERN TRUST CORP 1.4% 461,285 -0.44% 0% $1,854,366
Integral Health Asset Management, LLC 1.2% 400,000 0% 0.12% $1,608,000
BlackRock, Inc. 1.1% 367,879 -35% 0% $1,478,873
MILLENNIUM MANAGEMENT LLC 0.97% 315,758 +4.3% 0% $1,269,347
Peapod Lane Capital LLC 0.87% 281,963 +1.1% 1% $1,136,116
AWM Investment Company, Inc. 0.86% 280,483 0% 0.11% $1,127,542
ORBIMED ADVISORS LLC 0.77% 250,000 0% 0.02% $1,005,000
GEODE CAPITAL MANAGEMENT, LLC 0.73% 237,900 +3.6% 0% $956,864
Almitas Capital LLC 0.6% 195,145 0% 0.18% $784,483
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.48% 155,676 +155% 0% $625,818
PERCEPTIVE ADVISORS LLC 0.48% 155,366 0.02% $624,571
TWO SIGMA ADVISERS, LP 0.46% 149,900 +82% 0% $602,598
UBS Group AG 0.43% 139,031 -68% 0% $558,905
STIFEL FINANCIAL CORP 0.37% 122,000 -3.8% 0% $490,455
TWO SIGMA INVESTMENTS, LP 0.36% 116,579 +161% 0% $468,648
Ikarian Capital, LLC 0.34% 110,000 0% 0.1% $442,199

Institutional Holders of Alto Neuroscience, Inc. - Common Stock, $0.0001 par value per share (ANRO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 0 $0 -$507 $13.25 0
2025 Q3 16,755,091 $67,358,617 -$1,672,076 $4.02 74
2025 Q2 17,296,212 $38,050,471 -$7,942,287 $2.20 78
2025 Q1 20,845,367 $45,026,757 -$4,167,699 $2.16 83
2024 Q4 22,530,140 $95,292,259 -$45,543,089 $4.23 77
2024 Q3 22,939,574 $265,498,434 +$37,029,263 $11.44 82
2024 Q2 18,521,112 $197,990,962 +$26,158,573 $10.69 57
2024 Q1 15,942,939 $244,724,963 +$244,521,028 $15.35 51