| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 17% | $160,514,406 | 2,782,361 | BlackRock, Inc. | 31 Mar 2025 |
As of 30 Sep 2025, 213 institutional investors reported holding 14,554,758 shares of UNITIL CORP - Common Stock (UTL). This represents 89% of the company’s total 16,271,117 outstanding shares.
The largest institutional shareholders of UNITIL CORP - Common Stock (UTL) together control 70% 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. | 19% | 3,083,655 | +6.2% | 0% | $147,583,737 |
| VANGUARD GROUP INC | 9% | 1,471,196 | +4.9% | 0% | $70,411,440 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 4.4% | 711,288 | -0.86% | 0.03% | $34,042,244 |
| STATE STREET CORP | 4.2% | 690,091 | -12% | 0% | $33,027,755 |
| JPMORGAN CHASE & CO | 3.7% | 608,084 | +2.5% | 0% | $29,102,901 |
| RENAISSANCE TECHNOLOGIES LLC | 3% | 484,040 | +11% | 0.03% | $23,166,154 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 2.8% | 463,489 | +28% | 0.2% | $22,182,584 |
| Boston Trust Walden Corp | 2.5% | 413,641 | +11% | 0.15% | $19,796,858 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5% | 399,671 | +3.6% | 0% | $19,128,661 |
| DIMENSIONAL FUND ADVISORS LP | 2.3% | 369,520 | -2.3% | 0% | $17,684,832 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.9% | 309,935 | +1120% | 0% | $14,833,490 |
| Aristotle Capital Boston, LLC | 1.8% | 300,589 | +1.8% | 0.74% | $14,386,190 |
| REAVES W H & CO INC | 1.7% | 275,000 | 0.23% | $13,161,500 | |
| NORTHERN TRUST CORP | 1.4% | 227,018 | +31% | 0% | $10,865,081 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4% | 221,418 | +16% | 0% | $10,597,065 |
| Bank of New York Mellon Corp | 1.2% | 190,923 | -3.3% | 0% | $9,137,593 |
| MORGAN STANLEY | 1.1% | 185,780 | -4% | 0% | $8,891,454 |
| HITE Hedge Asset Management LLC | 1.1% | 174,218 | 0.45% | $8,338,073 | |
| CSM Advisors, LLC | 0.87% | 141,325 | +11% | 0.19% | $6,763,000 |
| ProShare Advisors LLC | 0.85% | 138,986 | +17% | 0.01% | $6,651,869 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 0.81% | 132,529 | +22% | 0.02% | $6,342,838 |
| Qube Research & Technologies Ltd | 0.74% | 120,625 | +12% | 0.01% | $5,773,113 |
| Nuveen, LLC | 0.7% | 113,582 | -1.1% | 0% | $5,436,034 |
| Invesco Ltd. | 0.68% | 110,332 | +0.68% | 0% | $5,280,490 |
| SEI INVESTMENTS CO | 0.59% | 95,571 | +5.9% | 0% | $4,574,023 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 86,562 | $4,193,036 | -$365,583 | $48.44 | 8 |
| 2025 Q3 | 14,554,758 | $696,547,626 | +$68,089,655 | $47.86 | 213 |
| 2025 Q2 | 13,109,140 | $683,638,219 | +$24,424,096 | $52.15 | 218 |
| 2025 Q1 | 12,726,304 | $734,199,823 | -$4,787,032 | $57.69 | 223 |
| 2024 Q4 | 12,805,222 | $694,252,888 | -$2,374,144 | $54.19 | 204 |
| 2024 Q3 | 12,757,245 | $772,514,172 | +$24,614,696 | $60.58 | 211 |
| 2024 Q2 | 12,352,243 | $639,721,453 | +$5,960,995 | $51.79 | 200 |
| 2024 Q1 | 12,257,295 | $641,598,222 | -$3,034,092 | $52.35 | 187 |
| 2023 Q4 | 30,186 | $1,586,878 | +$283,983 | $52.57 | 2 |
| 2023 Q3 | 12,022,041 | $513,516,755 | -$3,248,659 | $42.71 | 167 |
| 2023 Q2 | 11,832,882 | $600,223,530 | +$12,148,826 | $50.71 | 176 |
| 2023 Q1 | 11,528,894 | $657,623,590 | +$11,486,423 | $57.04 | 187 |
| 2022 Q4 | 11,863,102 | $609,315,692 | -$3,469,284 | $51.36 | 175 |
| 2022 Q3 | 12,002,724 | $557,672,065 | -$17,194,767 | $46.45 | 171 |
| 2022 Q2 | 12,266,082 | $719,839,935 | +$39,478,688 | $58.72 | 171 |
| 2022 Q1 | 11,731,951 | $585,747,904 | +$12,878,994 | $49.88 | 170 |
| 2021 Q4 | 11,313,450 | $520,122,452 | -$13,453,524 | $45.99 | 155 |
| 2021 Q3 | 11,745,274 | $503,161,166 | +$17,927,572 | $42.78 | 154 |
| 2021 Q2 | 11,337,619 | $600,943,311 | +$48,221,322 | $52.97 | 147 |
| 2021 Q1 | 10,426,823 | $477,007,896 | -$4,381,040 | $45.69 | 133 |
| 2020 Q4 | 10,441,232 | $462,376,244 | +$3,444,829 | $44.27 | 132 |
| 2020 Q3 | 8,805,341 | $340,321,141 | -$4,722,777 | $38.64 | 137 |
| 2020 Q2 | 10,244,631 | $459,367,502 | +$5,161,159 | $44.82 | 144 |
| 2020 Q1 | 10,365,519 | $542,159,816 | +$7,996,816 | $52.32 | 152 |
| 2019 Q4 | 10,133,575 | $626,098,986 | +$2,773,287 | $61.82 | 155 |
| 2019 Q3 | 10,196,485 | $646,387,409 | +$10,567,531 | $63.44 | 155 |
| 2019 Q2 | 10,058,255 | $602,102,286 | +$10,430,944 | $59.89 | 146 |
| 2019 Q1 | 9,990,404 | $541,125,421 | +$12,845,994 | $54.17 | 146 |
| 2018 Q4 | 9,692,338 | $490,835,325 | -$597,850 | $50.64 | 147 |
| 2018 Q3 | 9,685,768 | $492,971,275 | +$8,022,593 | $50.90 | 137 |
| 2018 Q2 | 9,496,953 | $484,713,129 | +$1,467,147 | $51.04 | 143 |
| 2018 Q1 | 9,559,028 | $443,538,617 | +$13,600,951 | $46.41 | 139 |
| 2017 Q4 | 9,244,817 | $419,748,496 | +$30,703,369 | $45.62 | 140 |
| 2017 Q3 | 8,427,490 | $417,097,053 | +$9,681,876 | $49.46 | 125 |
| 2017 Q2 | 8,379,460 | $404,792,771 | -$1,510,573 | $48.31 | 122 |
| 2017 Q1 | 8,396,223 | $378,271,258 | +$49,858,072 | $45.03 | 121 |
| 2016 Q4 | 8,280,631 | $375,447,269 | +$7,022,675 | $45.34 | 117 |
| 2016 Q3 | 8,283,685 | $323,551,189 | +$5,108,935 | $39.05 | 120 |
| 2016 Q2 | 8,150,609 | $347,778,170 | +$6,375,577 | $42.67 | 118 |
| 2016 Q1 | 8,034,786 | $341,369,925 | +$15,163,224 | $42.49 | 123 |
| 2015 Q4 | 7,546,949 | $270,897,565 | +$7,929,095 | $35.88 | 110 |
| 2015 Q3 | 7,175,229 | $264,601,928 | +$11,745,090 | $36.88 | 107 |
| 2015 Q2 | 6,857,097 | $226,411,780 | -$562,528 | $33.02 | 112 |
| 2015 Q1 | 6,978,091 | $242,685,944 | +$1,713,948 | $34.77 | 118 |
| 2014 Q4 | 7,166,620 | $262,916,211 | +$13,687,563 | $36.67 | 117 |
| 2014 Q3 | 6,778,388 | $210,735,481 | +$4,160,918 | $31.09 | 110 |
| 2014 Q2 | 6,678,448 | $225,583,304 | +$4,287,838 | $33.83 | 109 |
| 2014 Q1 | 6,522,848 | $214,210,007 | +$3,689,402 | $32.84 | 101 |