Who Owns FORRESTER RESH INC (FORR)? -- Institutional Holders (2026-06-30)

117 institutions reported holding $91.0M of FORRESTER RESH INC (FORR) in SEC 13F filings for 2026-06-30. Largest institutional holders: Portolan Capital Management, LLC ($13.7M), Nantahala Capital Management, LLC ($6.4M), Tieton Capital Management, LLC ($6.4M), FIRST MANHATTAN CO. LLC. ($6.3M), Pacific Ridge Capital Partners, LLC ($5.9M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	Portolan Capital Management, LLC	$13.7M	1.6M	Added
2	Nantahala Capital Management, LLC	$6.4M	763,446	Added
3	Tieton Capital Management, LLC	$6.4M	757,476	Added
4	FIRST MANHATTAN CO. LLC.	$6.3M	750,000	Hold
5	Pacific Ridge Capital Partners, LLC	$5.9M	705,344	Trimmed
6	VANGUARD GROUP INC	$5.1M	607,252	Trimmed
7	ACADIAN ASSET MANAGEMENT LLC	$3.6M	429,610	Added
8	RENAISSANCE TECHNOLOGIES LLC	$3.5M	418,206	Trimmed
9	HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	$3.1M	366,689	Trimmed
10	AQR CAPITAL MANAGEMENT LLC	$3.0M	357,665	Added
11	Quantinno Capital Management LP	$2.4M	289,195	Added
12	BlackRock, Inc.	$2.3M	270,105	Trimmed
13	Ancora Advisors LLC	$2.3M	269,891	New
14	ArrowMark Colorado Holdings LLC	$1.9M	231,808	Trimmed
15	DIMENSIONAL FUND ADVISORS LP	$1.8M	211,963	Trimmed
16	SEI INVESTMENTS CO	$1.7M	200,406	Trimmed
17	Russell Investments Group, Ltd.	$1.7M	199,012	Added
18	GEODE CAPITAL MANAGEMENT, LLC	$1.4M	169,088	Trimmed
19	JANE STREET GROUP, LLC	$1.4M	168,333	Added
20	MORGAN STANLEY	$1.4M	163,788	Added
21	TWO SIGMA INVESTMENTS, LP	$1.1M	132,202	Added
22	Nierenberg Investment Management Company, Inc.	$1.1M	131,110	Hold
23	BRIDGEWAY CAPITAL MANAGEMENT, LLC	$1.0M	123,617	Trimmed
24	KESTREL INVESTMENT MANAGEMENT CORP	$769,515	91,500	Hold
25	Trexquant Investment LP	$646,864	76,916	Added

Source: SEC Form 13F filings · as of 2026-06-30