First Manhattan Co

SEC CIK: 0000728083
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

IGMS holding history

IGM Biosciences, Inc. in every 13F filed by First Manhattan Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q4 2023): 0; Sold out in Q4 2023
Value: $0
% of portfolio: 0.0%
Quarters held: 1; Since Q3 2023

Holdings of IGMS by First Manhattan Co, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q4 2023	0	$0	0.0%	−172,200−100.0%	Sold out	Holders
Q3 2023	172,200	$1.44M	<0.1%	+172,200	New	Holders