Simplex Trading, LLC

SEC CIK: 0001488542
Latest filing: Aug 12, 2026

SEC filings (opens in a new tab)

ANRO holding history

Alto Neuroscience, Inc. in every 13F filed by Simplex Trading, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ANRO overview All 13F holders of ANRO Full Q2 2026 holdings

Shares (Q2 2026): 0; Sold out in Q2 2026
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q1 2025

Holdings of ANRO by Simplex Trading, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	0	$0	0.0%	−450−100.0%	Sold out	Holders
Q1 2026	450	$10.1K	<0.1%	+450	New	Holders
Q2 2025	0	$0	0.0%	−584−100.0%	Sold out	Holders
Q1 2025	584	$1.00K	<0.1%	+584	New	Holders