PERCEPTIVE ADVISORS LLC

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

Symbol: ANRO on NYSE
Investment type: Equity / Common Stock, $0.0001 par value per share
Latest Disclosed Shares Owned: 3,249,934 shares
Security Ownership %: 10%

Shares, Excluding Options vs Price

Value, Excluding Options

Perceptive Advisors LLC ownership in Alto Neuroscience, Inc. Common Stock, $0.0001 par value per share (ANRO)

17 Feb 2026 - Perceptive Advisors LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 3,249,934 shares of Alto Neuroscience, Inc. Common Stock, $0.0001 par value per share (ANRO). This represents 10% ownership of the company. In their previous filing dated 10 Oct 2025, PERCEPTIVE ADVISORS LLC had reported owning 1,989,393 shares, indicating an increase of +63%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Perceptive Advisors LLC	10%	+38%	$53,623,911	3,249,934	+1,260,541	+63%	$16.50	13G/A	31 Dec 2025	17 Feb 2026, 16:00
Perceptive Advisors LLC	7.3%		$7,718,845	1,989,393			$3.88	13G	03 Oct 2025	10 Oct 2025, 12:50

Holdings date	Option	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025		0.58%	+0.53%	$31,762,195	1,784,393	+1,629,027	+1049%	$17.80	Q4 2025
30 Sep 2025		0.02%	+0.02%	$624,571	155,366	+155,366	NEW	$4.02	Q3 2025

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.