Forrester ResearchFORR

13F holders, Q1 2026 (March 31)
103holders −6
15new positions
23sold out
3famous investors
$5.66avg. 13F price*

At the end of Q1 2026, 103 institutions reported holding Forrester Research Inc. (FORR) in their 13F filings, down 6 from Q4 2025. 15 opened new positions and 23 sold out. The largest holders were Portolan Capital Management, LLC ($8.7M), BlackRock, Inc. ($5.1M) and First Manhattan Co. Llc. ($4.2M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).

Company
Forrester Research Inc.
CUSIP
346563109
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 108Q1 2024Q2 2024: 107Q2 2024Q3 2024: 106Q3 2024Q4 2024: 99Q4 2024Q1 2025: 94Q1 2025Q2 2025: 104Q2 2025Q3 2025: 111Q3 2025Q4 2025: 109Q4 2025Q1 2026: 103Q1 2026Q2 2026: 98Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions15$7.7M
Exits23$8.4M

All 13F filers, Q4 2025 → Q1 2026: 3,611,008 shares bought and 1,987,417 shares sold, net +1,623,591 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 103 holders

Portolan Capital Management, LLC 0.46% Add +118.4% 1,541,276 $8.7M
BlackRock, Inc. 0.00% Reduce -5.2% 907,377 $5.1M
First Manhattan Co. Llc. 0.01% Add +760.1% 750,000 $4.2M
Pacific Ridge Capital Partners, LLC 0.87% Add +20.7% 710,847 $4.0M
Nantahala Capital Management, LLC 0.25% New 694,422 $3.9M
Tieton Capital Management, LLC 1.06% Add +3.8% 559,041 $3.2M
Vanguard Capital Management LLC 0.00% — 486,922 $2.8M
ArrowMark Colorado Holdings LLC 0.07% Reduce -15.0% 472,952 $2.7M
Renaissance Technologies 0.00% Reduce -2.5% 436,706 $2.5M
Acadian Asset Management LLC 0.00% Reduce -0.6% 423,338 $2.4M
Susquehanna International Group, LLP 0.00% New 389,254 $2.2M
Hotchkis & Wiley Capital Management LLC 0.01% Add +9.8% 383,589 $2.2M
Geode Capital Management, LLC 0.00% Add +6.2% 316,788 $1.8M
Sei Investments Co. 0.00% Add +112.3% 284,424 $1.6M
Dimensional Fund Advisors LP 0.00% Reduce -33.1% 266,389 $1.5M
State Street Corp. 0.00% Add +1.3% 259,070 $1.5M
Quantinno Capital Management LP 0.00% Add +81.0% 224,085 $1.3M
AQR Capital Management 0.00% Add +88.4% 185,922 $1.1M
Bridgeway Capital Management, LLC 0.02% No change 150,859 $854K
Nierenberg Investment Management Company, LLC 0.37% Add +1034.7% 131,110 $742K
Goldman Sachs Group Inc. 0.00% Add +46.1% 127,635 $722K
Northern Trust Corp. 0.00% Add +2.6% 102,647 $581K
Morgan Stanley 0.00% Reduce -19.6% 102,073 $578K
Two Sigma Investments, LP 0.00% Reduce -16.2% 101,601 $575K
Vanguard Portfolio Management LLC 0.00% — 98,172 $556K
Kestrel Investment Management Corp. 0.31% No change 91,500 $518K
Charles Schwab Investment Management Inc. 0.00% Reduce -5.2% 88,939 $503K
Jane Street Group, LLC 0.00% New 86,342 $489K
Vanguard Fiduciary Trust Co. 0.00% — 73,978 $419K
Clear Street Group Inc. 0.00% New 69,942 $396K
Bank of New York Mellon Corp 0.00% Add +3.4% 68,756 $389K
K2 Principal Fund, L.P. 0.09% New 50,178 $284K
Cooper Creek Partners Management LLC 0.01% No change 46,779 $265K
Bank of America Corp. 0.00% Reduce -37.8% 45,637 $258K
Ameriprise Financial Inc. 0.00% Reduce -4.9% 43,337 $245K
HSBC Holdings PLC 0.00% Reduce -2.0% 39,317 $225K
T. Rowe Price Associates Inc. 0.00% Add +55.2% 38,507 $218K
Federated Hermes, Inc. 0.00% Reduce -84.1% 37,753 $214K
Barclays PLC 0.00% Reduce -30.6% 35,241 $199K
Squarepoint Ops LLC 0.00% Add +11.9% 34,846 $197K
Trexquant Investment LP 0.00% Reduce -40.4% 33,620 $190K
XTX Topco Ltd 0.00% New 26,238 $149K
D. E. Shaw & Co. 0.00% Reduce -78.9% 25,811 $146K
Alliancebernstein L.P. 0.00% No change 17,620 $143K
Mercer Global Advisors Inc. 0.00% New 23,762 $134K
Simplex Trading, LLC 0.00% New 22,550 $128K
Invesco Ltd. 0.00% Add +15.9% 20,601 $117K
Qube Research & Technologies Ltd 0.00% Reduce -63.8% 20,116 $114K
Nuveen, LLC 0.00% Add +0.8% 18,647 $106K
Inscription Capital, LLC 0.01% Add +53.7% 17,170 $97K
Ieq Capital, LLC 0.00% Add +30.3% 16,338 $92K
Rhumbline Advisers 0.00% Reduce -3.3% 14,559 $82K
Auxier Asset Management LLC 0.01% Reduce -5.8% 13,076 $74K
PNC Financial Services Group, Inc. 0.00% Reduce -2.9% 12,600 $71K
American Century Companies Inc. 0.00% No change 11,718 $66K
STRS Ohio 0.00% No change 11,100 $63K
Cwm, LLC 0.00% Add +71.1% 9,329 $53K
FMR LLC 0.00% Add +77.2% 7,269 $41K
Deutsche Bank AG 0.00% No change 7,253 $41K
BNP Paribas Financial Markets 0.00% Reduce -53.1% 6,306 $36K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +2.5% 5,594 $32K
Versant Capital Management, Inc 0.00% Add +15.4% 5,123 $29K
Elkhorn Partners Limited Partnership 0.02% Add +66.7% 5,000 $28K
JPMorgan Chase & Co. 0.00% Reduce -97.6% 4,879 $28K
Russell Investments Group, Ltd. 0.00% Add +307.5% 4,727 $27K
New York State Common Retirement Fund 0.00% No change 4,699 $27K
Wells Fargo & Company 0.00% Reduce -66.1% 4,348 $25K
Vanguard Global Advisers, LLC 0.00% — 4,049 $23K
Police & Firemen's Retirement System of New Jersey 0.00% No change 3,253 $18K
UBS Group AG 0.00% Add +103.8% 2,696 $15K
Tower Research Capital LLC (TRC) 0.00% Add +57.7% 2,500 $14K
Arax Advisory Partners 0.00% Add +1167.7% 1,572 $9K
Essential Partners LLC 0.00% Add +177.7% 1,180 $7K
Citigroup Inc. 0.00% Reduce -84.3% 1,123 $6K
GAMMA Investing LLC 0.00% Reduce -70.6% 1,084 $6K
Legal & General Group Plc 0.00% No change 972 $6K
Ameritas Investment Partners, Inc. 0.00% No change 966 $5K
California State Teachers Retirement System 0.00% Reduce -11.4% 619 $4K
Sterling Capital Management LLC 0.00% Reduce -52.0% 379 $2K
US Bancorp \de 0.00% No change 275 $2K
Allworth Financial LP 0.00% Add +1250.0% 216 $1K
Barrow Hanley Mewhinney & Strauss LLC 0.00% No change 191 $1K
Physician Wealth Advisors, Inc. 0.00% New 177 $1K
Royal Bank of Canada 0.00% Reduce -77.8% 295 $1K
EverSource Wealth Advisors, LLC 0.00% Add +60.5% 175 $990
Optiver Holding B.V. 0.00% Reduce -42.7% 118 $668
IFP Advisors, Inc 0.00% Add +8.5% 115 $651
Osaic Holdings, Inc. 0.00% No change 100 $566
Root Financial Partners, LLC 0.00% Add +200.0% 90 $509
Farther Finance Advisors, LLC 0.00% New 59 $318
Sunbelt Securities, Inc. 0.00% Add +23.3% 37 $209
True Wealth Design, LLC 0.00% Add +483.3% 35 $199
Rothschild Investment LLC 0.00% Add +300.0% 24 $136
MAI Capital Management 0.00% Add +700.0% 24 $136
Wealth Preservation Advisors, LLC 0.00% New 20 $113
Basecamp Wealth Advisors LLC 0.00% New 16 $91
SBI Securities Co., Ltd. 0.00% No change 15 $85
Transamerica Financial Advisors, LLC 0.00% Add +12.5% 9 $50
SJS Investment Consulting Inc. 0.00% New 7 $40
Advisory Services Network, LLC 0.00% New 6 $34
Caitong International Asset Management Co., Ltd 0.00% New 4 $23
Huntington National Bank 0.00% No change 1 $6
Covestor Ltd 0.00% Add +175.0% 11 $0

"% of holder's portfolio" is FORR's weight in each manager's 13F, not the share of Forrester Research Inc. the manager owns.