First Manhattan Co

SEC CIK: 0000728083
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

IRNT holding history

IronNet, 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.

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

Shares (Q1 2022): 0; Sold out in Q1 2022
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q3 2021

Holdings of IRNT by First Manhattan Co, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q1 2022	0	$0	0.0%	−1,200−100.0%	Sold out	Holders
Q4 2021	1,200	$5.00K	<0.1%	00.0%	Unchanged	Holders
Q3 2021	1,200	$20.0K	<0.1%	+1,200	New	Holders