Security Snapshot

Unitil Corp - Common Stock (UTL) Institutional Ownership

CUSIP: 913259107

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

216

Shares (Excl. Options)

14,769,892

Price

$48.44

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Type / Class
Equity / Common Stock
Symbol
UTL on NYSE
Underlying class
Common stock
Shares outstanding
18,011,733
Price per share
$52.24
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
14,769,892
Total reported value
$715,525,058
% of total 13F portfolios
0%
Share change
+209,536
Value change
+$10,298,118
Number of holders
216
Price from insider filings
$52.24
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • UTL - Unitil Corp - Common Stock is tracked under CUSIP 913259107.
  • 216 institutions reported positions in Q4 2025.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 216 to 103 between Q4 2025 and Q1 2026.
  • Reported value moved from $715,525,058 to $206,053,308.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 216 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 913259107?
CUSIP 913259107 identifies UTL - Unitil Corp - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Unitil Corp - Common Stock (UTL) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 15% -13% $140,339,364 -$5,011,174 2,686,435 -3.4% BlackRock, Inc. 31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC 5.2% $49,398,980 945,616 Vanguard Capital Management 31 Mar 2026

As of 31 Dec 2025, 216 institutional investors reported holding 14,769,892 shares of Unitil Corp - Common Stock (UTL). This represents 82% of the company’s total 18,011,733 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Unitil Corp - Common Stock (UTL) together control 66% 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. 18% 3,264,147 +5.9% 0% $158,115,292
VANGUARD GROUP INC 8.5% 1,538,652 +4.6% 0% $74,532,303
STATE STREET CORP 4% 721,277 +4.5% 0% $34,938,658
WELLINGTON MANAGEMENT GROUP LLP 3.3% 601,260 +94% 0.01% $29,125,033
FRONTIER CAPITAL MANAGEMENT CO LLC 3.1% 561,172 +21% 0.29% $27,183,172
JPMORGAN CHASE & CO 3.1% 557,817 -8.3% 0% $27,020,655
MANUFACTURERS LIFE INSURANCE COMPANY, THE 2.9% 526,561 -26% 0.02% $25,506,615
GEODE CAPITAL MANAGEMENT, LLC 2.4% 424,163 +6.1% 0% $20,548,426
RENAISSANCE TECHNOLOGIES LLC 2.2% 396,940 -18% 0.03% $19,227,774
Boston Trust Walden Corp 2.1% 385,232 -6.9% 0.14% $18,660,638
DIMENSIONAL FUND ADVISORS LP 1.9% 348,763 -5.6% 0% $16,894,193
REAVES W H & CO INC 1.5% 275,000 0% 0.23% $13,321,000
Aristotle Capital Boston, LLC 1.5% 274,303 -8.7% 0.73% $13,287,237
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.5% 268,215 +21% 0% $12,992,335
MORGAN STANLEY 1.5% 268,045 +44% 0% $12,984,138
NORTHERN TRUST CORP 1.2% 223,564 -1.5% 0% $10,829,440
HITE Hedge Asset Management LLC 1% 182,218 +4.6% 0.56% $8,826,640
FMR LLC 0.95% 170,884 +5446% 0% $8,277,616
GOLDMAN SACHS GROUP INC 0.82% 146,984 +99% 0% $7,119,915
CSM Advisors, LLC 0.75% 134,245 -5% 0.18% $6,503,000
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.73% 131,129 -1.1% 0.02% $6,351,889
TWO SIGMA INVESTMENTS, LP 0.72% 129,248 +36% 0.01% $6,260,773
ProShare Advisors LLC 0.72% 128,839 -7.3% 0.01% $6,240,961
Nuveen, LLC 0.61% 110,485 -2.7% 0% $5,351,894
Invesco Ltd. 0.59% 106,779 -3.2% 0% $5,172,375

Institutional Holders of Unitil Corp - Common Stock (UTL) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 3,944,080 $206,053,308 +$7,941,451 $52.24 103
2025 Q4 14,769,892 $715,525,058 +$10,298,118 $48.44 216
2025 Q3 14,554,787 $696,549,014 +$68,230,145 $47.86 214
2025 Q2 13,109,140 $683,638,219 +$24,424,099 $52.15 218
2025 Q1 12,726,304 $734,199,754 -$4,787,030 $57.69 223
2024 Q4 12,809,033 $694,188,552 -$2,168,718 $54.19 204
2024 Q3 12,757,245 $772,514,076 +$24,773,449 $60.58 211
2024 Q2 12,349,623 $639,585,390 +$5,825,303 $51.79 200
2024 Q1 12,257,295 $641,597,853 -$3,582,184 $52.35 187
2023 Q4 12,396,481 $651,652,278 +$18,937,747 $52.57 180
2023 Q3 12,058,473 $515,074,635 -$4,079,544 $42.71 170
2023 Q2 12,125,034 $615,038,443 +$14,501,569 $50.71 179
2023 Q1 11,833,261 $675,052,144 +$11,055,258 $57.04 190
2022 Q4 11,939,130 $613,221,375 -$3,489,018 $51.36 178
2022 Q3 12,025,906 $558,748,869 -$17,728,499 $46.45 172
2022 Q2 12,296,892 $722,017,530 +$39,923,898 $58.72 173
2022 Q1 11,799,331 $589,108,904 +$11,119,343 $49.88 171
2021 Q4 11,582,938 $532,514,452 -$9,599,610 $45.99 160
2021 Q3 11,745,189 $503,157,166 +$17,896,653 $42.78 152
2021 Q2 11,350,693 $601,642,311 +$48,198,879 $52.97 148
2021 Q1 10,427,856 $477,045,896 -$4,609,127 $45.69 132
2020 Q4 10,459,960 $463,206,244 +$3,707,394 $44.27 133
2020 Q3 10,422,192 $402,797,141 -$3,736,958 $38.64 141
2020 Q2 10,403,441 $466,485,502 +$6,259,637 $44.82 146
2020 Q1 10,503,146 $549,359,816 +$9,746,193 $52.32 154
2019 Q4 10,237,815 $632,542,986 +$3,212,740 $61.82 158
2019 Q3 10,208,024 $647,119,409 +$10,457,822 $63.44 158
2019 Q2 10,070,634 $602,844,286 +$10,351,073 $59.89 147
2019 Q1 10,050,210 $544,367,421 +$17,269,517 $54.17 147
2018 Q4 9,692,523 $490,844,325 -$597,699 $50.64 148
2018 Q3 9,688,280 $493,098,275 +$8,023,082 $50.90 139
2018 Q2 9,536,978 $486,755,129 -$31,908 $51.04 148
2018 Q1 9,559,263 $443,548,617 +$10,763,373 $46.41 140
2017 Q4 9,316,555 $425,071,443 +$32,261,480 $45.62 142
2017 Q3 8,564,715 $423,935,053 +$9,278,366 $49.46 126
2017 Q2 8,379,667 $404,802,771 -$404,697 $48.31 123
2017 Q1 8,396,223 $378,271,258 +$49,865,658 $45.03 121
2016 Q4 8,331,769 $377,763,269 +$6,861,460 $45.34 120
2016 Q3 8,283,685 $323,551,189 +$5,043,100 $39.05 120
2016 Q2 8,150,609 $347,778,170 +$6,350,867 $42.67 118
2016 Q1 8,040,817 $341,625,925 +$15,223,192 $42.49 124
2015 Q4 7,686,137 $275,892,565 +$7,503,051 $35.88 113
2015 Q3 7,473,533 $275,603,928 +$11,363,297 $36.88 110
2015 Q2 7,197,971 $237,667,780 -$921,199 $33.02 115
2015 Q1 7,213,792 $250,879,944 +$1,050,046 $34.77 121
2014 Q4 7,166,620 $262,916,211 +$13,632,892 $36.67 117
2014 Q3 6,822,595 $212,109,481 +$4,120,049 $31.09 112
2014 Q2 6,678,448 $225,583,304 +$4,290,559 $33.83 109
2014 Q1 6,550,185 $215,108,007 +$3,330,605 $32.84 103
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