UNITIL CORP (UTL) Institutional Shareholders
UNITIL CORP (UTL) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $806.42M in UTL holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of UTL tracked by InsiderSet, reporting ownership valued at approximately $152.44M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $151.52M, representing an estimated loss of -0.61% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 52% of the total disclosed UTL value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, State Street Corp, and several other long-term asset managers with concentrated positions in UNITIL CORP (UTL).
This page ranks the largest institutional UTL shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
238
Total Reported Value
$806.42M
Largest Holder
Blackrock, Inc.
Largest Position
$152.44M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
57
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 2,893,170 | $152,441,149 | $151,515,313 | -$925,836 | -0.61% | |
| Vanguard Capital Management Llc | 0.00% | 803,469 | $42,334,782 | $42,077,672 | -$257,110 | -0.61% | |
| State Street Corp | 0.00% | 782,195 | $41,213,855 | $40,963,552 | -$250,303 | -0.61% | |
| Frontier Capital Management Co Llc | 0.27% | 553,320 | $29,154,431 | $28,977,368 | -$177,063 | -0.61% | |
| Manufacturers Life Insurance Company, The | 0.02% | 509,855 | $26,864,260 | $26,701,106 | -$163,154 | -0.61% | |
| Vanguard Portfolio Management Llc | 0.00% | 506,993 | $26,713,461 | $26,551,223 | -$162,238 | -0.61% | |
| Wellington Management Group Llp | 0.00% | 491,474 | $25,895,765 | $25,738,493 | -$157,272 | -0.61% | |
| Jpmorgan Chase & Co | 0.00% | 475,940 | $25,277,174 | $24,924,978 | -$352,196 | -1.39% | |
| Geode Capital Management, Llc | 0.00% | 467,117 | $24,615,279 | $24,462,917 | -$152,362 | -0.62% | |
| Morgan Stanley | 0.00% | 411,930 | $21,704,659 | $21,572,774 | -$131,885 | -0.61% | |
| Renaissance Technologies LLC | Jim Simons | 0.03% | 407,540 | $21,473,283 | $21,342,870 | -$130,413 | -0.61% |
| Two Sigma Investments, Lp | 0.01% | 341,664 | $18,002,276 | $17,892,944 | -$109,332 | -0.61% | |
| Dimensional Fund Advisors Lp | 0.00% | 341,216 | $17,979,091 | $17,869,482 | -$109,609 | -0.61% | |
| Boston Trust Walden Corp | 0.13% | 322,912 | $17,014,233 | $16,910,901 | -$103,332 | -0.61% | |
| Charles Schwab Investment Management Inc | 0.00% | 256,892 | $13,535,639 | $13,453,434 | -$82,205 | -0.61% | |
| Northern Trust Corp | 0.00% | 248,761 | $13,107,216 | $13,027,614 | -$79,602 | -0.61% | |
| Aristotle Capital Boston, Llc | 0.88% | 247,621 | $13,047,150 | $12,967,912 | -$79,238 | -0.61% | |
| Bragg Financial Advisors, Inc | 0.34% | 243,573 | $12,833,862 | $12,755,918 | -$77,944 | -0.61% | |
| Heartland Advisors Inc | 0.55% | 232,349 | $12,242,469 | $12,168,117 | -$74,352 | -0.61% | |
| Reaves W H & Co Inc | 0.17% | 206,918 | $10,902,509 | $10,836,296 | -$66,213 | -0.61% | |
| Citadel Advisors Llc | 0.01% | 194,551 | $10,250,892 | $10,188,636 | -$62,256 | -0.61% | |
| Nuveen, Llc | 0.00% | 163,906 | $8,636,207 | $8,583,757 | -$52,450 | -0.61% | |
| Aqr Capital Management Llc | 0.00% | 161,858 | $8,528,299 | $8,476,503 | -$51,796 | -0.61% | |
| Goldman Sachs Group Inc | 0.00% | 160,658 | $8,465,070 | $8,413,659 | -$51,411 | -0.61% | |
| Csm Advisors, Llc | 0.18% | 156,545 | $8,248,000 | $8,198,262 | -$49,738 | -0.60% | |
| Proshare Advisors Llc | 0.01% | 134,309 | $7,076,741 | $7,033,762 | -$42,979 | -0.61% | |
| Hotchkis & Wiley Capital Management Llc | 0.02% | 133,239 | $7,020,363 | $6,977,726 | -$42,637 | -0.61% | |
| Vanguard Fiduciary Trust Co | 0.00% | 118,969 | $6,268,477 | $6,230,407 | -$38,070 | -0.61% | |
| Invesco Ltd. | 0.00% | 109,704 | $5,780,304 | $5,745,198 | -$35,106 | -0.61% | |
| Bank Of New York Mellon Corp | 0.00% | 108,742 | $5,729,636 | $5,694,819 | -$34,817 | -0.61% | |
| Bank Of America Corp | 0.00% | 100,857 | $5,314,155 | $5,281,881 | -$32,274 | -0.61% | |
| Qube Research & Technologies Ltd | 0.01% | 91,265 | $4,808,753 | $4,779,548 | -$29,205 | -0.61% | |
| Principal Financial Group Inc | 0.00% | 86,948 | $4,581,290 | $4,553,467 | -$27,823 | -0.61% | |
| Russell Investments Group, Ltd. | 0.00% | 85,174 | $4,487,808 | $4,460,562 | -$27,246 | -0.61% | |
| Panagora Asset Management Inc | 0.01% | 83,130 | $4,380,120 | $4,353,518 | -$26,602 | -0.61% | |
| Ubs Group Ag | 0.00% | 82,359 | $4,339,496 | $4,313,141 | -$26,355 | -0.61% | |
| Gabelli Funds Llc | 0.02% | 71,500 | $3,767,335 | $3,744,455 | -$22,880 | -0.61% | |
| Sei Investments Co | 0.00% | 65,468 | $3,449,502 | $3,428,559 | -$20,943 | -0.61% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 65,398 | $3,416,392 | $3,424,893 | +$8,501 | +0.25% | |
| Martingale Asset Management L P | 0.08% | 63,032 | $3,321,157 | $3,300,986 | -$20,171 | -0.61% | |
| Norges Bank | 0.00% | 62,300 | $3,282,587 | $3,262,651 | -$19,936 | -0.61% | |
| Public Sector Pension Investment Board | 0.01% | 61,669 | $3,249,340 | $3,229,606 | -$19,734 | -0.61% | |
| Quantinno Capital Management Lp | 0.00% | 56,425 | $2,973,042 | $2,954,977 | -$18,065 | -0.61% | |
| Wedge Capital Management L L P/Nc | 0.05% | 51,839 | $2,731,397 | $2,714,808 | -$16,589 | -0.61% | |
| Royal Bank Of Canada | 0.00% | 50,536 | $2,664,000 | $2,646,570 | -$17,430 | -0.65% | |
| Victory Capital Management Inc | 0.00% | 50,541 | $2,663,005 | $2,646,832 | -$16,173 | -0.61% | |
| State Of New Jersey Common Pension Fund D | 0.01% | 49,991 | $2,634,026 | $2,618,029 | -$15,997 | -0.61% | |
| Ameriprise Financial Inc | 0.00% | 49,516 | $2,609,007 | $2,593,153 | -$15,854 | -0.61% | |
| Thrivent Financial For Lutherans | 0.00% | 49,347 | $2,600,000 | $2,584,302 | -$15,698 | -0.60% | |
| Brooklyn Investment Group | 0.08% | 49,231 | $2,571,828 | $2,578,227 | +$6,399 | +0.25% |
Frequently asked questions about UTL
Who owns the most UTL stock?
The largest holders of UTL are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for UNITIL CORP (UTL).
Is UTL widely held by superinvestors?
Many widely followed stocks like UTL appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly UTL is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.