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Unitil Corp

UTL
Exchange
NYSE
Industry
Electric & Other Services Combined
SEC CIK
0000755001

No open-market purchases or sales by Unitil Corp insiders were filed in the last 90 days; 245 institutions reported holding it in 13F filings for Q2 2026, worth $808.9M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Unitil Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
217
+2 vs. Q3 2025
Shares held
14.8M
+215.4K (+1.5%) vs. Q3 2025
Total value
$715.5M
+$19.0M (+2.7%) vs. Q3 2025
New holders
25
90 more added
Sold out
23
69 more reduced

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting UTL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 217 institutions
Q1 2021: 137 institutionsQ2 2021: 154 institutionsQ3 2021: 159 institutionsQ4 2021: 165 institutionsQ1 2022: 176 institutionsQ2 2022: 176 institutionsQ3 2022: 177 institutionsQ4 2022: 179 institutionsQ1 2023: 190 institutionsQ2 2023: 180 institutionsQ3 2023: 171 institutionsQ4 2023: 182 institutionsQ1 2024: 187 institutionsQ2 2024: 200 institutionsQ3 2024: 213 institutionsQ4 2024: 206 institutionsQ1 2025: 224 institutionsQ2 2025: 220 institutionsQ3 2025: 217 institutionsQ4 2025: 217 institutionsQ1 2026: 238 institutionsQ2 2026: 245 institutions
Value heldQ4 2025: $715.5M
Q1 2021: $481.5MQ2 2021: $601.6MQ3 2021: $503.2MQ4 2021: $532.5MQ1 2022: $588.4MQ2 2022: $722.0MQ3 2022: $557.7MQ4 2022: $612.2MQ1 2023: $675.1MQ2 2023: $615.0MQ3 2023: $515.1MQ4 2023: $651.7MQ1 2024: $641.4MQ2 2024: $638.9MQ3 2024: $772.5MQ4 2024: $694.2MQ1 2025: $733.7MQ2 2025: $683.5MQ3 2025: $696.6MQ4 2025: $715.5MQ1 2026: $768.6MQ2 2026: $808.9M
Institutions holding UTL and their total value by quarter
QuarterHoldersValue
Q2 2026245$808.9M
Q1 2026238$768.6M
Q4 2025217$715.5M
Q3 2025217$696.6M
Q2 2025220$683.5M
Q1 2025224$733.7M
Q4 2024206$694.2M
Q3 2024213$772.5M
Q2 2024200$638.9M
Q1 2024187$641.4M
Q4 2023182$651.7M
Q3 2023171$515.1M
Q2 2023180$615.0M
Q1 2023190$675.1M
Q4 2022179$612.2M
Q3 2022177$557.7M
Q2 2022176$722.0M
Q1 2022176$588.4M
Q4 2021165$532.5M
Q3 2021159$503.2M
Q2 2021154$601.6M
Q1 2021137$481.5M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Unitil Corp; share changes are against Q3 2025.

Institutions holding UTL in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
HITE Hedge Asset Management LLC182,218$8.83M0.56%+8,000+4.6%Added
Northern Trust Corp223,564$10.8M0.00%−3,454−1.5%Reduced
Morgan Stanley268,046$13.0M0.00%+82,266+44.3%Added
Charles Schwab Investment Management Inc268,215$13.0M0.00%+46,797+21.1%Added
Aristotle Capital Boston, LLC274,303$13.3M0.73%−26,286−8.7%Reduced
Reaves W H & Co Inc275,000$13.3M0.23%00.0%Unchanged
Dimensional Fund Advisors LP348,763$16.9M0.00%−20,757−5.6%Reduced
Boston Trust Walden Corp385,232$18.7M0.14%−28,409−6.9%Reduced
Renaissance Technologies LLC396,940$19.2M0.03%−87,100−18.0%Reduced
Geode Capital Management, LLC424,163$20.5M0.00%+24,492+6.1%Added
Manufacturers Life Insurance Company, The526,561$25.5M0.02%−184,727−26.0%Reduced
JPMorgan Chase & Co557,817$27.0M0.00%−50,267−8.3%Reduced
Frontier Capital Management Co LLC561,172$27.2M0.29%+97,683+21.1%Added
Wellington Management Group LLP601,260$29.1M0.01%+291,325+94.0%Added
State Street Corp721,277$34.9M0.00%+31,186+4.5%Added
Vanguard Group Inc1,538,652$74.5M0.00%+67,456+4.6%Added
BlackRock, Inc.3,264,147$158.1M0.00%+180,492+5.9%Added
Alyeska Investment Group, L.P.0$00.00%−60,000−100.0%Sold out
Franklin Resources Inc0$00.00%−44,164−100.0%Sold out
Annex Advisory Services, LLC0$00.00%−36,000−100.0%Sold out
Verition Fund Management LLC0$00.00%−17,889−100.0%Sold out
Walleye Capital LLC0$00.00%−17,322−100.0%Sold out
Readystate Asset Management LP0$00.00%−15,000−100.0%Sold out
Jane Street Group, LLC0$00.00%−13,983−100.0%Sold out
STRS Ohio0$00.00%−11,700−100.0%Sold out
Quadrature Capital Ltd0$00.00%−11,397−100.0%Sold out
Pathstone Holdings, LLC0$00.00%−10,300−100.0%Sold out
Pictet Asset Management Holding SA0$00.00%−5,902−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−5,688−100.0%Sold out
Man Group plc0$00.00%−5,430−100.0%Sold out
Mackenzie Financial Corp0$00.00%−4,427−100.0%Sold out
Meritage Portfolio Management0$00.00%−4,236−100.0%Sold out
Advisory Services Network, LLC0$00.00%−350−100.0%Sold out
Rise Advisors, LLC0$00.00%−288−100.0%Sold out
Simplex Trading, LLC0$00.00%−100−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−24−100.0%Sold out
Bell Investment Advisors, Inc0$00.00%−12−100.0%Sold out
Wealthspire Advisors, LLC0$00.00%−10−100.0%Sold out
Atlantic Trust, LLC0$00.00%−8−100.0%Sold out
Fortitude Family Office, LLC0$00.00%−3−100.0%Sold out
Shell Asset Management Co––––Not filed
Hemington Wealth Management––––Not filed