| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| COLONY GEORGE F | 39% | -0.51% | $78,306,161 | 7,380,411 | 0% | George F. Colony | 30 Jun 2025 | |
| Portolan Capital Management, LLC | 6.1% | $9,211,023 | 1,163,008 | Portolan Capital Management, LLC | 11 Feb 2026 | |||
| BlackRock, Inc. | 5% | $9,500,260 | 946,241 | BlackRock, Inc. | 31 Dec 2024 | |||
| ROYCE & ASSOCIATES LP | 0.56% | -89% | $1,127,809 | -$10,759,061 | 106,387 | -91% | ROYCE & ASSOCIATES LP | 30 Sep 2025 |
As of 31 Dec 2025, 105 institutional investors reported holding 9,787,672 shares of FORRESTER RESEARCH, INC. - Common Stock, $0.01 Par Value (FORR). This represents 52% of the company’s total 19,003,399 outstanding shares.
The largest institutional shareholders of FORRESTER RESEARCH, INC. - Common Stock, $0.01 Par Value (FORR) together control 43% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5% | 956,928 | +0.43% | 0% | $7,770,256 |
| Portolan Capital Management, LLC | 3.7% | 705,749 | +37% | 0.31% | $5,730,682 |
| VANGUARD GROUP INC | 3.5% | 659,061 | +1.4% | 0% | $5,351,575 |
| Pacific Ridge Capital Partners, LLC | 3.1% | 588,888 | +36% | 1% | $4,781,771 |
| ArrowMark Colorado Holdings LLC | 2.9% | 556,342 | -18% | 0.1% | $4,517,497 |
| Tieton Capital Management, LLC | 2.8% | 538,560 | 1.5% | $4,373,000 | |
| RENAISSANCE TECHNOLOGIES LLC | 2.4% | 448,006 | -3.6% | 0.01% | $3,637,809 |
| ACADIAN ASSET MANAGEMENT LLC | 2.2% | 425,709 | +15% | 0.01% | $3,453,000 |
| DIMENSIONAL FUND ADVISORS LP | 2.1% | 398,181 | -16% | 0% | $3,232,754 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 1.8% | 349,239 | +4.6% | 0.01% | $2,835,821 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.6% | 298,429 | +2% | 0% | $2,423,497 |
| Invenomic Capital Management LP | 1.4% | 258,733 | -2.2% | 0.1% | $2,100,912 |
| STATE STREET CORP | 1.3% | 255,745 | +1.5% | 0% | $2,076,649 |
| FEDERATED HERMES, INC. | 1.3% | 237,564 | -7% | 0% | $1,929,019 |
| Walleye Capital LLC | 1.2% | 229,890 | +149% | 0.01% | $1,866,707 |
| JPMORGAN CHASE & CO | 1.1% | 199,591 | +45% | 0% | $1,620,679 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.79% | 150,859 | +2.7% | 0.03% | $1,224,975 |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.79% | 150,000 | 0% | 0.16% | $1,216,500 |
| SEI INVESTMENTS CO | 0.7% | 133,954 | +1224% | 0% | $1,087,698 |
| MORGAN STANLEY | 0.67% | 126,894 | -35% | 0% | $1,030,379 |
| Quantinno Capital Management LP | 0.65% | 123,809 | +60% | 0% | $1,005,329 |
| D. E. Shaw & Co., Inc. | 0.64% | 122,324 | +11% | 0% | $993,271 |
| TWO SIGMA INVESTMENTS, LP | 0.64% | 121,204 | -18% | 0% | $984,176 |
| TWO SIGMA ADVISERS, LP | 0.56% | 105,903 | -25% | 0% | $859,932 |
| NORTHERN TRUST CORP | 0.53% | 100,040 | -4.6% | 0% | $812,324 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 9,787,672 | $79,470,681 | +$4,476,120 | $8.12 | 105 |
| 2025 Q3 | 9,142,139 | $96,887,653 | -$2,210,333 | $10.60 | 108 |
| 2025 Q2 | 9,353,602 | $92,597,871 | -$875,375 | $9.90 | 102 |
| 2025 Q1 | 9,473,757 | $87,536,295 | -$8,708,108 | $9.24 | 92 |
| 2024 Q4 | 10,075,658 | $157,884,691 | -$4,599,725 | $15.67 | 98 |
| 2024 Q3 | 10,325,657 | $185,884,279 | -$6,425,426 | $18.01 | 105 |
| 2024 Q2 | 10,573,155 | $180,588,836 | +$2,213,397 | $17.08 | 106 |
| 2024 Q1 | 10,244,232 | $220,815,496 | -$11,263,181 | $21.56 | 106 |
| 2023 Q4 | 10,654,809 | $285,654,812 | +$2,784,188 | $26.81 | 104 |
| 2023 Q3 | 10,543,423 | $304,708,231 | -$6,345,996 | $28.90 | 105 |
| 2023 Q2 | 10,755,068 | $312,886,855 | -$1,737,011 | $29.09 | 104 |
| 2023 Q1 | 10,764,112 | $348,210,315 | +$3,756,317 | $32.35 | 121 |
| 2022 Q4 | 10,639,012 | $380,450,595 | +$3,735,690 | $35.76 | 128 |
| 2022 Q3 | 10,525,867 | $379,035,495 | -$2,650,015 | $36.01 | 123 |
| 2022 Q2 | 10,512,518 | $502,903,817 | +$6,490,894 | $47.84 | 129 |
| 2022 Q1 | 10,489,731 | $591,713,477 | -$4,804,343 | $56.42 | 131 |
| 2021 Q4 | 10,575,947 | $620,930,840 | -$2,777,395 | $58.73 | 134 |
| 2021 Q3 | 10,735,377 | $528,708,195 | -$8,987,655 | $49.26 | 118 |
| 2021 Q2 | 10,949,958 | $501,506,066 | -$4,877,910 | $45.80 | 103 |
| 2021 Q1 | 11,056,296 | $469,685,394 | +$48,859 | $42.48 | 98 |
| 2020 Q4 | 11,057,023 | $463,313,358 | +$5,814,949 | $41.90 | 101 |
| 2020 Q3 | 10,935,092 | $358,616,248 | +$748,891 | $32.79 | 91 |
| 2020 Q2 | 10,901,374 | $349,272,197 | +$3,304,344 | $32.04 | 95 |
| 2020 Q1 | 10,799,939 | $315,709,226 | +$4,153,881 | $29.23 | 99 |
| 2019 Q4 | 10,531,887 | $439,181,923 | +$19,843,721 | $41.70 | 114 |
| 2019 Q3 | 10,118,700 | $325,243,944 | -$29,522,527 | $32.14 | 114 |
| 2019 Q2 | 10,649,059 | $500,263,448 | +$6,454,344 | $47.03 | 124 |
| 2019 Q1 | 10,596,252 | $511,309,306 | -$6,934,343 | $48.35 | 128 |
| 2018 Q4 | 10,640,460 | $475,472,249 | -$18,169,273 | $44.70 | 119 |
| 2018 Q3 | 11,035,879 | $506,490,164 | -$656,404 | $45.90 | 111 |
| 2018 Q2 | 11,060,904 | $464,167,083 | +$10,145,458 | $41.95 | 115 |
| 2018 Q1 | 10,826,077 | $448,783,331 | +$770,225 | $41.45 | 116 |
| 2017 Q4 | 10,801,154 | $477,419,011 | +$23,986,620 | $44.20 | 117 |
| 2017 Q3 | 10,229,921 | $428,141,210 | +$28,704,856 | $41.85 | 114 |
| 2017 Q2 | 9,556,180 | $374,714,867 | -$8,288,490 | $39.15 | 118 |
| 2017 Q1 | 9,781,588 | $388,824,019 | +$31,590,214 | $39.75 | 119 |
| 2016 Q4 | 10,122,228 | $434,741,460 | +$10,216,083 | $42.95 | 124 |
| 2016 Q3 | 9,962,389 | $387,078,294 | +$19,835,021 | $38.90 | 111 |
| 2016 Q2 | 9,451,011 | $348,392,490 | -$7,405,799 | $36.86 | 101 |
| 2016 Q1 | 9,686,292 | $325,544,868 | +$3,877,266 | $33.61 | 97 |
| 2015 Q4 | 9,578,700 | $272,811,565 | -$3,050,254 | $28.48 | 93 |
| 2015 Q3 | 9,640,421 | $303,086,362 | -$858,211 | $31.44 | 94 |
| 2015 Q2 | 9,655,485 | $347,791,539 | -$6,953,258 | $36.02 | 94 |
| 2015 Q1 | 9,848,294 | $362,230,035 | -$7,405,173 | $36.78 | 96 |
| 2014 Q4 | 10,054,338 | $395,710,391 | -$6,356,687 | $39.36 | 93 |
| 2014 Q3 | 10,215,448 | $376,547,329 | -$8,713,765 | $36.86 | 93 |
| 2014 Q2 | 10,449,245 | $395,813,139 | -$25,714,392 | $37.88 | 94 |
| 2014 Q1 | 11,129,884 | $399,005,133 | -$30,848,107 | $35.85 | 94 |