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

116 institutions reported holding $90.9M 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.

RankInstitutionValueSharesChange
1Portolan Capital Management, LLC$13.7M1.6MAdded
2Nantahala Capital Management, LLC$6.4M763,446Added
3Tieton Capital Management, LLC$6.4M757,476Added
4FIRST MANHATTAN CO. LLC.$6.3M750,000Hold
5Pacific Ridge Capital Partners, LLC$5.9M705,344Trimmed
6VANGUARD GROUP INC$5.1M607,252Trimmed
7ACADIAN ASSET MANAGEMENT LLC$3.6M429,610Added
8RENAISSANCE TECHNOLOGIES LLC$3.5M418,206Trimmed
9HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC$3.1M366,689Trimmed
10AQR CAPITAL MANAGEMENT LLC$3.0M357,665Added
11Quantinno Capital Management LP$2.4M289,195Added
12BlackRock, Inc.$2.3M270,105Trimmed
13Ancora Advisors LLC$2.3M269,891New
14ArrowMark Colorado Holdings LLC$1.9M231,808Trimmed
15DIMENSIONAL FUND ADVISORS LP$1.8M211,963Trimmed
16SEI INVESTMENTS CO$1.7M200,406Trimmed
17Russell Investments Group, Ltd.$1.7M199,012Added
18GEODE CAPITAL MANAGEMENT, LLC$1.4M169,088Trimmed
19JANE STREET GROUP, LLC$1.4M168,333Added
20MORGAN STANLEY$1.4M163,788Added
21TWO SIGMA INVESTMENTS, LP$1.1M132,202Added
22Nierenberg Investment Management Company, Inc.$1.1M131,110Hold
23BRIDGEWAY CAPITAL MANAGEMENT, LLC$1.0M123,617Trimmed
24KESTREL INVESTMENT MANAGEMENT CORP$769,51591,500Hold
25Trexquant Investment LP$646,86476,916Added

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