ALTO NEUROSCIENCE INC (ANRO) is held by 68 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is VANGUARD CAPITAL MANAGEMENT LLC as of Q1 2026.

Are institutions buying or selling ANRO?

In Q1 2026, 34 institutions opened or increased positions in ALTO NEUROSCIENCE INC while 33 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on ANRO?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ALTO NEUROSCIENCE INC.

How many hedge funds hold ANRO?

68 institutional investors report holding ALTO NEUROSCIENCE INC (ANRO) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into ANRO?

As of Q1 2026, tracked institutions in ALTO NEUROSCIENCE INC show 34 buyers versus 33 sellers — net inflows.

ALTO NEUROSCIENCE INC

ANRO·02157Q109·US·Common Stock·Healthcare - Biotechnology-13D/G

Holders

(4 Elite)

$208.7M

Total Value

51% (67)

Consensus

34 buying - 33 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 68 funds

4 elite

Who's Trading

ActivistCOCommodore Capital LP9.9%May 15, 2026

ActivistSISirenia Capital Management LP7.9%May 15, 2026

Activist

Steven A. Cohen3.7%May 15, 2026

ActivistVPVestal Point Capital, LP6.5%May 15, 2026

ActivistARArmistice Capital, LLC4.9%Feb 18, 2026

ActivistPAPerceptive Advisors LLC10.0%Feb 17, 2026

ActivistARArmistice Capital, LLC6.0%Feb 17, 2026

ActivistKHK2 HealthVentures Equity Trust LLC2.4%Feb 17, 2026

Activist

BlackRock, Inc.2.1%Jul 16, 2025

View all activist filings

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VAVANGUARD CAPITAL MANAGEMENT LLC	New	1.2M	$27.1M	0.0%	+31.68%	40
FRANKLIN RESOURCES INC	Decreased	1.1M(-1.6%)	$24.8M	0.0%	+92.39%	0
MILLENNIUM MANAGEMENT LLC	Increased	821,982(+30.5%)	$18.5M	0.0%	+112.37%	36
BlackRock, Inc.	Increased	666,188(+9.6%)	$15M	0.0%	+151.17%	31
Point72 Asset Management, L.P.	Decreased	503,087(-68.7%)	$11.3M	0.0%	+132.02%	0
DRIEHAUS CAPITAL MANAGEMENT LLC	Increased	486,726(+44.5%)	$10.9M	0.1%	+42.30%	38
NORTHERN TRUST CORP	Decreased	473,403(-0.2%)	$10.6M	0.0%	+266.92%	0
JENNISON ASSOCIATES LLC	New	386,426	$8.7M	0.0%	+31.68%	38
AGADAGE CAPITAL PARTNERS GP, L.L.C.	New	385,000	$8.7M	0.0%	+31.68%	38
PRICE T ROWE ASSOCIATES INC /MD/	Increased	371,208(+1128.0%)	$8.3M	0.0%	+35.52%	44
GEODE CAPITAL MANAGEMENT, LLC	Increased	292,899(+1.9%)	$6.6M	0.0%	+104.17%	28
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Increased	238,498(+101.8%)	$5.4M	0.0%	+121.18%	44
ALKEON CAPITAL MANAGEMENT LLC	Decreased	227,101(-52.4%)	$5.1M	0.0%	+147.71%	0
TWO SIGMA INVESTMENTS, LP	Increased	216,099(+54.0%)	$4.9M	0.0%	+130.95%	38
Qube Research & Technologies Ltd	Increased	209,268(+85.5%)	$4.7M	0.0%	+39.81%	42
STATE STREET CORP	Increased	199,503(+52.7%)	$4.5M	0.0%	+84.09%	38
MWMARSHALL WACE, LLP	Decreased	176,347(-8.7%)	$4M	0.0%	+562.40%	0
VFVANGUARD FIDUCIARY TRUST CO	New	165,272	$3.7M	0.0%	+31.68%	37
GOLDMAN SACHS GROUP INC	Decreased	104,717(-33.0%)	$2.4M	0.0%	+176.54%	0
RENAISSANCE TECHNOLOGIES LLC	Increased	103,499(+6.3%)	$2.3M	0.0%	+262.75%	28