First Manhattan Co

SEC CIK: 0000728083
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

FORR holding history

Forrester Research, 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.

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

Shares (Q2 2026): 750,000
Value: $6.31M
% of portfolio: <0.1%
Quarters held: 3; Since Q4 2025

Holdings of FORR by First Manhattan Co, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	750,000	$6.31M	<0.1%	00.0%	Unchanged	Holders
Q1 2026	750,000	$4.25M	<0.1%	+662,800+760.1%	Added	Holders
Q4 2025	87,200	$708.1K	<0.1%	+87,200	New	Holders