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
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 15 | $7.7M |
| Exits | 23 | $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 |
"% of holder's portfolio" is FORR's weight in each manager's 13F, not the share of Forrester Research Inc. the manager owns.