Company · Ownership research

Alto Neuroscience, Inc. ANRO

CIK 0001999480 · CUSIP 02157Q109

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 02157Q109 (ANRO), not CUSIP 02157Q909 (ANRO), CUSIP 02157Q959 (ANRO), and does not merge CUSIPs.

This page lists the top 20 of 110 rows by value; the complete set is available through the API.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	Falcon Edge Capital, LP CIK 1558858 · View history	$83.35M 3,707,757 shares	10.54%	0(0.00%)Unchanged	SEC filing ↗ May 14, 2026	▾
02	COMMODORE CAPITAL LP CIK 1831942 · View history	$61.22M 2,723,196 shares	3.54%	+900.00K(+49.40%)Added	SEC filing ↗ May 15, 2026	▾
03	Vestal Point Capital, LP CIK 1974915 · View history	$46.40M 2,064,075 shares	1.30%	-420.93K(-16.90%)Reduced	SEC filing ↗ May 15, 2026	▾
04	PERCEPTIVE ADVISORS LLC CIK 1224962 · Amended · View history	$45.18M 2,009,893 shares	0.89%	+225.50K(+12.60%)Added	SEC filing ↗ May 29, 2026	▾
05	Spruce Street Capital LP CIK 2050194 · View history	$29.12M 1,325,210 shares	7.00%	+1.10M(+494.70%)Added	SEC filing ↗ May 14, 2026	▾
06	VANGUARD CAPITAL MANAGEMENT LLC CIK 2100119 · Amended · View history	$27.13M 1,207,025 shares	0.00%	—	SEC filing ↗ May 15, 2026	▾
07	FRANKLIN RESOURCES INC CIK 38777 · View history	$24.77M 1,101,874 shares	0.01%	-17.70K(-1.60%)Reduced	SEC filing ↗ May 13, 2026	▾
08	Vivo Capital, LLC CIK 1674712 · Amended · View history	$23.28M 1,035,551 shares	1.94%	0(0.00%)Unchanged	SEC filing ↗ May 20, 2026	▾
09	ARMISTICE CAPITAL, LLC CIK 1601086 · View history	$20.50M 912,000 shares	0.68%	-624.00K(-40.60%)Reduced	SEC filing ↗ May 15, 2026	▾
10	MILLENNIUM MANAGEMENT LLC CIK 1273087 · View history	$18.48M 821,982 shares	0.01%	+192.00K(+30.50%)Added	SEC filing ↗ May 15, 2026	▾
11	72 Investment Holdings, LLC CIK 1832749 · View history	$15.01M 667,778 shares	30.26%	0(0.00%)Unchanged	SEC filing ↗ May 15, 2026	▾
12	BlackRock, Inc. CIK 2012383 · View history	$14.98M 666,188 shares	0.00%	+58.31K(+9.60%)Added	SEC filing ↗ May 13, 2026	▾
13	Ikarian Capital, LLC CIK 1778253 · View history	$11.58M 515,000 shares	1.66%	0(0.00%)Unchanged	SEC filing ↗ May 15, 2026	▾
14	Point72 Asset Management, L.P. CIK 1603466 · View history	$11.31M 503,087 shares	0.02%	-1.10M(-68.70%)Reduced	SEC filing ↗ May 15, 2026	▾
15	VR Adviser, LLC CIK 1615982 · View history	$11.24M 500,000 shares	0.42%	+500.00KNew	SEC filing ↗ May 15, 2026	▾
16	Integral Health Asset Management, LLC CIK 1773206 · View history	$11.24M 500,000 shares	0.59%	+125.00K(+33.30%)Added	SEC filing ↗ May 15, 2026	▾
17	Affinity Asset Advisors, LLC CIK 1773195 · View history	$11.24M 500,000 shares	0.66%	+500.00KNew	SEC filing ↗ May 14, 2026	▾
18	Driehaus Capital Management LLC CIK 938206 · View history	$10.94M 486,726 shares	0.08%	+149.96K(+44.50%)Added	SEC filing ↗ May 15, 2026	▾
19	NORTHERN TRUST CORP CIK 73124 · View history	$10.64M 473,403 shares	0.00%	-970(-0.20%)Reduced	SEC filing ↗ May 14, 2026	▾
20	JENNISON ASSOCIATES LLC CIK 53417 · View history	$8.69M 386,426 shares	0.01%	+386.43KNew	SEC filing ↗ May 6, 2026	▾

Showing 20 / 110 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

110

Cancelled or null records excluded

Disclosed shares

26,830,701

Not deduplicated across managers

Disclosed value

$602.48M

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

Alto Neuroscience, Inc. · Q1 2026

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Sources, coverage & how to read this data

Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.