Alto Neuroscience, Inc.(ANRO)

$29.18—

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Alto Neuroscience, Inc.(ANRO)

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$29.18—

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ANRO(ANRO)

ANRO

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Institutional Ownership

Top 96 Institutional Holders

Holder	Shares	Date	Change	% Held
SIMPLEX TRADING, LLC	--	Jun 30, 26	-450	--
Clearstead Advisors, LLC	--	Jun 30, 26	-13.31K	--
Catalyst Funds Management Pty Ltd	--	Jun 30, 26	-11.40K	--
JENNISON ASSOCIATES LLC	--	Jun 30, 26	-386.43K	--
Advisory Services Network, LLC	--	Jun 30, 26	-802	--
Y-Intercept (Hong Kong) Ltd	--	Jun 30, 26	-23.95K	--
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.	--	Jun 30, 26	-18.08K	--
SIGNATUREFD, LLC	--	Jun 30, 26	-41	--
POLEN CAPITAL MANAGEMENT LLC	--	Jun 30, 26	-16.61K	--
Alpha Wave Global, LP	3.71M	Mar 31, 26	--	10.57%
COMMODORE CAPITAL LP	2.72M	Mar 31, 26	+900.00K	7.76%
Vestal Point Capital, LP	2.06M	Mar 31, 26	-420.93K	5.88%
PERCEPTIVE ADVISORS LLC	2.01M	Mar 31, 26	+225.50K	5.73%
VANGUARD CAPITAL MANAGEMENT LLC	1.21M	Mar 31, 26	+1.21M	3.44%
FRANKLIN RESOURCES INC	1.10M	Mar 31, 26	-17.70K	3.14%
Vivo Capital, LLC	1.04M	Mar 31, 26	--	2.95%
ARMISTICE CAPITAL, LLC	912.00K	Mar 31, 26	-624.00K	2.60%
MILLENNIUM MANAGEMENT LLC	821.98K	Mar 31, 26	+192.00K	2.34%
72 Investment Holdings, LLC	667.78K	Mar 31, 26	--	1.90%
Ikarian Capital, LLC	515.00K	Mar 31, 26	--	1.47%
Point72 Asset Management, L.P.	503.09K	Mar 31, 26	-1.10M	1.43%
Affinity Asset Advisors, LLC	500.00K	Mar 31, 26	+500.00K	1.42%
Integral Health Asset Management, LLC	500.00K	Mar 31, 26	+125.00K	1.42%
VR Adviser, LLC	500.00K	Mar 31, 26	+500.00K	1.42%
DRIEHAUS CAPITAL MANAGEMENT LLC	486.73K	Mar 31, 26	+149.96K	1.39%
NORTHERN TRUST CORP	473.40K	Mar 31, 26	-970	1.35%
ADAGE CAPITAL PARTNERS GP, L.L.C.	385.00K	Mar 31, 26	+385.00K	1.10%
PRICE T ROWE ASSOCIATES INC /MD/	371.21K	Mar 31, 26	+340.98K	1.06%
GEODE CAPITAL MANAGEMENT, LLC	292.90K	Mar 31, 26	+5.46K	0.83%
SUSQUEHANNA INTERNATIONAL GROUP, LLP	238.50K	Mar 31, 26	+120.34K	0.68%
ALKEON CAPITAL MANAGEMENT LLC	227.10K	Mar 31, 26	-250.00K	0.65%
TWO SIGMA INVESTMENTS, LP	216.10K	Mar 31, 26	+75.78K	0.62%
Qube Research & Technologies Ltd	209.27K	Mar 31, 26	+96.48K	0.60%
MARSHALL WACE, LLP	176.35K	Mar 31, 26	-16.76K	0.50%
AWM Investment Company, Inc.	170.00K	Mar 31, 26	-55.00K	0.48%
ORBIMED ADVISORS LLC	167.50K	Mar 31, 26	+42.50K	0.48%
VANGUARD FIDUCIARY TRUST CO	165.27K	Mar 31, 26	+165.27K	0.47%
BOOTHBAY FUND MANAGEMENT, LLC	139.30K	Mar 31, 26	--	0.40%
Eversept Partners, LP	125.17K	Mar 31, 26	+125.17K	0.36%
GOLDMAN SACHS GROUP INC	104.72K	Mar 31, 26	-51.60K	0.30%
RENAISSANCE TECHNOLOGIES LLC	103.50K	Mar 31, 26	+6.10K	0.29%
Saturn V Capital Management LLC	89.00K	Mar 31, 26	+89.00K	0.25%
STIFEL FINANCIAL CORP	86.33K	Mar 31, 26	-829	0.25%
Almitas Capital LLC	78.52K	Mar 31, 26	--	0.22%
MORGAN STANLEY	68.65K	Mar 31, 26	+3.07K	0.20%
ACADIAN ASSET MANAGEMENT LLC	60.08K	Mar 31, 26	+2.53K	0.17%
WELLINGTON MANAGEMENT GROUP LLP	59.80K	Mar 31, 26	-9.22K	0.17%
BRIDGEWAY CAPITAL MANAGEMENT, LLC	52.65K	Mar 31, 26	-25.00K	0.15%
D. E. Shaw & Co., Inc.	45.34K	Mar 31, 26	-79.45K	0.13%
Hudson Bay Capital Management LP	43.76K	Mar 31, 26	+8.97K	0.12%
683 Capital Management, LLC	40.00K	Mar 31, 26	-24.78K	0.11%
XTX Topco Ltd	39.84K	Mar 31, 26	+19.02K	0.11%
DIMENSIONAL FUND ADVISORS LP	39.32K	Mar 31, 26	+8.15K	0.11%
Brevan Howard Capital Management LP	38.78K	Mar 31, 26	+38.78K	0.11%
Quantinno Capital Management LP	36.07K	Mar 31, 26	+490	0.10%
BALYASNY ASSET MANAGEMENT L.P.	32.11K	Mar 31, 26	+20.99K	0.09%
JANE STREET GROUP, LLC	30.06K	Mar 31, 26	-163.98K	0.09%
Squarepoint Ops LLC	29.96K	Mar 31, 26	+29.96K	0.09%
Allianz Asset Management GmbH	28.50K	Mar 31, 26	-14.50K	0.08%
BANK OF AMERICA CORP /DE/	25.68K	Mar 31, 26	+14.59K	0.07%
BARCLAYS PLC	25.04K	Mar 31, 26	-5.36K	0.07%
BROWN ADVISORY INC	25.00K	Mar 31, 26	--	0.07%
MANUFACTURERS LIFE INSURANCE COMPANY, THE	23.75K	Mar 31, 26	+23.75K	0.07%
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.	18.08K	Mar 31, 26	+18.08K	0.05%
UBS Group AG	17.25K	Mar 31, 26	-1.24K	0.05%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	17.02K	Mar 31, 26	-46	0.05%
AMERICAN CENTURY COMPANIES INC	14.19K	Mar 31, 26	+3.83K	0.04%
TORONTO DOMINION BANK	13.43K	Mar 31, 26	+13.43K	0.04%
AMERIPRISE FINANCIAL INC	13.32K	Mar 31, 26	-163	0.04%
BANK OF MONTREAL /CAN/	11.34K	Mar 31, 26	-12	0.03%
Vanguard Global Advisers, LLC	10.65K	Mar 31, 26	+10.65K	0.03%
Diametric Capital, LP	10.31K	Mar 31, 26	+10.31K	0.03%
OMERS ADMINISTRATION Corp	9.70K	Mar 31, 26	-2.70K	0.03%
FMR LLC	6.31K	Mar 31, 26	-60	0.02%
Advisory Services Network, LLC	802	Mar 31, 26	+802	0.00%
WELLS FARGO & COMPANY/MN	790	Mar 31, 26	+25	0.00%
FEDERATED HERMES, INC.	654	Mar 31, 26	-116	0.00%
JONES FINANCIAL COMPANIES LLLP	533	Mar 31, 26	+500	0.00%
GROUP ONE TRADING, L.P.	400	Mar 31, 26	-1.01K	0.00%
BNP PARIBAS ARBITRAGE, SNC	314	Mar 31, 26	-32.92K	0.00%
Accent Capital Management, LLC	275	Mar 31, 26	+275	0.00%
US BANCORP \DE\	110	Mar 31, 26	-3	0.00%
CWM, LLC	102	Mar 31, 26	-52	0.00%
ROYAL BANK OF CANADA	41	Mar 31, 26	+7	0.00%
Optiver Holding B.V.	4	Mar 31, 26	-16	0.00%
ADVISOR GROUP HOLDINGS, INC.	3	Mar 31, 26	+3	0.00%
CITADEL ADVISORS LLC	--	Mar 31, 26	-12.97K	--
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	--	Mar 31, 26	-212.67K	--
Artia Global Partners LP	--	Mar 31, 26	-29.19K	--
ExodusPoint Capital Management, LP	--	Mar 31, 26	-18.79K	--
VANGUARD GROUP INC	1.37M	Dec 31, 25	+260.44K	3.89%
TWO SIGMA ADVISERS, LP	160.10K	Dec 31, 25	+10.20K	0.46%
Quest Partners LLC	3.82K	Dec 31, 25	+3.82K	0.01%
WETHERBY ASSET MANAGEMENT INC	84.16K	Sep 30, 25	--	0.24%
Nuveen Asset Management, LLC	139.95K	Dec 31, 24	-61.31K	0.40%
BlackRock Inc.	570.92K	Jun 30, 24	+429.36K	1.63%

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Market Movers

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Holder

Date

Change

% Held

SIMPLEX TRADING, LLC

Jun 30, 26

-450

Clearstead Advisors, LLC

Jun 30, 26

-13.31K

Catalyst Funds Management Pty Ltd

Jun 30, 26

-11.40K

JENNISON ASSOCIATES LLC

Jun 30, 26

-386.43K

Advisory Services Network, LLC

Jun 30, 26

-802

Y-Intercept (Hong Kong) Ltd

Jun 30, 26

-23.95K

LANDSCAPE CAPITAL MANAGEMENT, L.L.C.

Jun 30, 26

-18.08K

SIGNATUREFD, LLC

Jun 30, 26

-41

POLEN CAPITAL MANAGEMENT LLC

Jun 30, 26

-16.61K

Alpha Wave Global, LP

3.71M

Mar 31, 26

10.57%

COMMODORE CAPITAL LP

2.72M

Mar 31, 26

+900.00K

7.76%

Vestal Point Capital, LP

2.06M

Mar 31, 26

-420.93K

5.88%

PERCEPTIVE ADVISORS LLC

2.01M

Mar 31, 26

+225.50K

5.73%

VANGUARD CAPITAL MANAGEMENT LLC

1.21M

Mar 31, 26

+1.21M

3.44%

FRANKLIN RESOURCES INC

1.10M

Mar 31, 26

-17.70K

3.14%

Vivo Capital, LLC

1.04M

Mar 31, 26

2.95%

ARMISTICE CAPITAL, LLC

912.00K

Mar 31, 26

-624.00K

2.60%

MILLENNIUM MANAGEMENT LLC

821.98K

Mar 31, 26

+192.00K

2.34%

72 Investment Holdings, LLC

667.78K

Mar 31, 26

1.90%

Ikarian Capital, LLC

515.00K

Mar 31, 26

1.47%

Point72 Asset Management, L.P.

503.09K

Mar 31, 26

-1.10M

1.43%

Affinity Asset Advisors, LLC

500.00K

Mar 31, 26

+500.00K

1.42%

Integral Health Asset Management, LLC

500.00K

Mar 31, 26

+125.00K

1.42%

VR Adviser, LLC

500.00K

Mar 31, 26

+500.00K

1.42%

DRIEHAUS CAPITAL MANAGEMENT LLC

486.73K

Mar 31, 26

+149.96K

1.39%

NORTHERN TRUST CORP

473.40K

Mar 31, 26

-970

1.35%

ADAGE CAPITAL PARTNERS GP, L.L.C.

385.00K

Mar 31, 26

+385.00K

1.10%

PRICE T ROWE ASSOCIATES INC /MD/

371.21K

Mar 31, 26

+340.98K

1.06%

GEODE CAPITAL MANAGEMENT, LLC

292.90K

Mar 31, 26

+5.46K

0.83%

SUSQUEHANNA INTERNATIONAL GROUP, LLP

238.50K

Mar 31, 26

+120.34K

0.68%

ALKEON CAPITAL MANAGEMENT LLC

227.10K

Mar 31, 26

-250.00K

0.65%

TWO SIGMA INVESTMENTS, LP

216.10K

Mar 31, 26

+75.78K

0.62%

Qube Research & Technologies Ltd

209.27K

Mar 31, 26

+96.48K

0.60%

MARSHALL WACE, LLP

176.35K

Mar 31, 26

-16.76K

0.50%

AWM Investment Company, Inc.

170.00K

Mar 31, 26

-55.00K

0.48%

ORBIMED ADVISORS LLC

167.50K

Mar 31, 26

+42.50K

0.48%

VANGUARD FIDUCIARY TRUST CO

165.27K

Mar 31, 26

+165.27K

0.47%

BOOTHBAY FUND MANAGEMENT, LLC

139.30K

Mar 31, 26

0.40%

Eversept Partners, LP

125.17K

Mar 31, 26

+125.17K

0.36%

GOLDMAN SACHS GROUP INC

104.72K

Mar 31, 26

-51.60K

0.30%

RENAISSANCE TECHNOLOGIES LLC

103.50K

Mar 31, 26

+6.10K

0.29%

Saturn V Capital Management LLC

89.00K

Mar 31, 26

+89.00K

0.25%

STIFEL FINANCIAL CORP

86.33K

Mar 31, 26

-829

0.25%

Almitas Capital LLC

78.52K

Mar 31, 26

0.22%

MORGAN STANLEY

68.65K

Mar 31, 26

+3.07K

0.20%

ACADIAN ASSET MANAGEMENT LLC

60.08K

Mar 31, 26

+2.53K

0.17%

WELLINGTON MANAGEMENT GROUP LLP

59.80K

Mar 31, 26

-9.22K

0.17%

BRIDGEWAY CAPITAL MANAGEMENT, LLC

52.65K

Mar 31, 26

-25.00K

0.15%

D. E. Shaw & Co., Inc.

45.34K

Mar 31, 26

-79.45K

0.13%

Hudson Bay Capital Management LP

43.76K

Mar 31, 26

+8.97K

0.12%

683 Capital Management, LLC

40.00K

Mar 31, 26

-24.78K

0.11%

XTX Topco Ltd

39.84K

Mar 31, 26

+19.02K

0.11%

DIMENSIONAL FUND ADVISORS LP

39.32K

Mar 31, 26

+8.15K

0.11%

Brevan Howard Capital Management LP

38.78K

Mar 31, 26

+38.78K

0.11%

Quantinno Capital Management LP

36.07K

Mar 31, 26

+490

0.10%

BALYASNY ASSET MANAGEMENT L.P.

32.11K

Mar 31, 26

+20.99K

0.09%

JANE STREET GROUP, LLC

30.06K

Mar 31, 26

-163.98K

0.09%

Squarepoint Ops LLC

29.96K

Mar 31, 26

+29.96K

0.09%

Allianz Asset Management GmbH

28.50K

Mar 31, 26

-14.50K

0.08%

BANK OF AMERICA CORP /DE/

25.68K

Mar 31, 26

+14.59K

0.07%

BARCLAYS PLC

25.04K

Mar 31, 26

-5.36K

0.07%

BROWN ADVISORY INC

25.00K

Mar 31, 26

0.07%

MANUFACTURERS LIFE INSURANCE COMPANY, THE

23.75K

Mar 31, 26

+23.75K

0.07%

LANDSCAPE CAPITAL MANAGEMENT, L.L.C.

18.08K

Mar 31, 26

+18.08K

0.05%

UBS Group AG

17.25K

Mar 31, 26

-1.24K

0.05%

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

17.02K

Mar 31, 26

-46

0.05%

AMERICAN CENTURY COMPANIES INC

14.19K

Mar 31, 26

+3.83K

0.04%

TORONTO DOMINION BANK

13.43K

Mar 31, 26

+13.43K

0.04%

AMERIPRISE FINANCIAL INC

13.32K

Mar 31, 26

-163

0.04%

BANK OF MONTREAL /CAN/

11.34K

Mar 31, 26

-12

0.03%

Vanguard Global Advisers, LLC

10.65K

Mar 31, 26

+10.65K

0.03%

Diametric Capital, LP

10.31K

Mar 31, 26

+10.31K

0.03%

OMERS ADMINISTRATION Corp

9.70K

Mar 31, 26

-2.70K

0.03%

FMR LLC

6.31K

Mar 31, 26

-60

0.02%

Advisory Services Network, LLC

802

Mar 31, 26

+802

0.00%

WELLS FARGO & COMPANY/MN

790

Mar 31, 26

+25

0.00%

FEDERATED HERMES, INC.

654

Mar 31, 26

-116

0.00%

JONES FINANCIAL COMPANIES LLLP

533

Mar 31, 26

+500

0.00%

GROUP ONE TRADING, L.P.

400

Mar 31, 26

-1.01K

0.00%

BNP PARIBAS ARBITRAGE, SNC

314

Mar 31, 26

-32.92K

0.00%

Accent Capital Management, LLC

275

Mar 31, 26

+275

0.00%

US BANCORP \DE\

110

Mar 31, 26

-3

0.00%

CWM, LLC

102

Mar 31, 26

-52

0.00%

ROYAL BANK OF CANADA

Mar 31, 26

0.00%

Optiver Holding B.V.

Mar 31, 26

-16

0.00%

ADVISOR GROUP HOLDINGS, INC.

Mar 31, 26

0.00%

CITADEL ADVISORS LLC

Mar 31, 26

-12.97K

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO

Mar 31, 26

-212.67K

Artia Global Partners LP

Mar 31, 26

-29.19K

ExodusPoint Capital Management, LP

Mar 31, 26

-18.79K

VANGUARD GROUP INC

1.37M

Dec 31, 25

+260.44K

3.89%

TWO SIGMA ADVISERS, LP

160.10K

Dec 31, 25

+10.20K

0.46%

Quest Partners LLC

3.82K

Dec 31, 25

+3.82K

0.01%

WETHERBY ASSET MANAGEMENT INC

84.16K

Sep 30, 25

0.24%

Nuveen Asset Management, LLC

139.95K

Dec 31, 24

-61.31K

0.40%

BlackRock Inc.

570.92K

Jun 30, 24

+429.36K

1.63%