Who Owns FORRESTER RESH INC (FORR)? -- Institutional Holders (2026-03-31)

126 institutions reported holding $68.1M of FORRESTER RESH INC (FORR) in SEC 13F filings for 2026-03-31. Largest institutional holders: Portolan Capital Management, LLC ($8.7M), BlackRock, Inc. ($5.1M), FIRST MANHATTAN CO. LLC. ($4.2M), Pacific Ridge Capital Partners, LLC ($4.0M), Nantahala Capital Management, LLC ($3.9M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Portolan Capital Management, LLC$8.7M1.5MAdded
2BlackRock, Inc.$5.1M907,377Trimmed
3FIRST MANHATTAN CO. LLC.$4.2M750,000Added
4Pacific Ridge Capital Partners, LLC$4.0M710,847Added
5Nantahala Capital Management, LLC$3.9M694,422New
6Tieton Capital Management, LLC$3.2M559,041Added
7VANGUARD CAPITAL MANAGEMENT LLC$2.8M486,922New
8ArrowMark Colorado Holdings LLC$2.7M472,952Trimmed
9RENAISSANCE TECHNOLOGIES LLC$2.5M436,706Trimmed
10ACADIAN ASSET MANAGEMENT LLC$2.4M423,338Trimmed
11Clear Street Group Inc.$2.2M389,842New
12SUSQUEHANNA INTERNATIONAL GROUP, LLP$2.2M389,254New
13HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC$2.2M383,589Added
14SIMPLEX TRADING, LLC$2.1M372,550New
15GEODE CAPITAL MANAGEMENT, LLC$1.8M316,788Added
16SEI INVESTMENTS CO$1.6M284,424Added
17DIMENSIONAL FUND ADVISORS LP$1.5M266,389Trimmed
18STATE STREET CORP$1.5M259,070Added
19Quantinno Capital Management LP$1.3M224,085Added
20AQR CAPITAL MANAGEMENT LLC$1.1M185,922Added
21BRIDGEWAY CAPITAL MANAGEMENT, LLC$853,862150,859Hold
22Nierenberg Investment Management Company, Inc.$742,083131,110Added
23GOLDMAN SACHS GROUP INC$722,414127,635Added
24NORTHERN TRUST CORP$580,982102,647Added
25MORGAN STANLEY$577,738102,073Trimmed

Source: SEC Form 13F filings · as of 2026-03-31