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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, Q3 2025

Institutional positions in Unitil Corp as of Sep 30, 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. Q2 2025
Shares held
14.6M
+1.45M (+11.0%) vs. Q2 2025
Total value
$696.6M
+$13.1M (+1.9%) vs. Q2 2025
New holders
25
94 more added
Sold out
27
65 more reduced

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 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 heldQ3 2025: $696.6M
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, Q3 2025

Shares, value and share of portfolio for each institution holding Unitil Corp; share changes are against Q2 2025.

Institutions holding UTL in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Morgan Stanley185,780$8.89M0.00%−7,706−4.0%Reduced
Bank of New York Mellon Corp190,923$9.14M0.00%−6,611−3.3%Reduced
Charles Schwab Investment Management Inc221,418$10.6M0.00%+29,888+15.6%Added
Northern Trust Corp227,018$10.9M0.00%+54,208+31.4%Added
Reaves W H & Co Inc275,000$13.2M0.23%+275,000New
Aristotle Capital Boston, LLC300,589$14.4M0.74%+5,332+1.8%Added
Wellington Management Group LLP309,935$14.8M0.00%+284,522+1,119.6%Added
Dimensional Fund Advisors LP369,520$17.7M0.00%−8,646−2.3%Reduced
Geode Capital Management, LLC399,671$19.1M0.00%+13,957+3.6%Added
Boston Trust Walden Corp413,641$19.8M0.15%+39,511+10.6%Added
Frontier Capital Management Co LLC463,489$22.2M0.20%+102,595+28.4%Added
Renaissance Technologies LLC484,040$23.2M0.03%+49,600+11.4%Added
JPMorgan Chase & Co608,084$29.1M0.00%+14,894+2.5%Added
State Street Corp690,091$33.0M0.00%−95,821−12.2%Reduced
Manufacturers Life Insurance Company, The711,288$34.0M0.03%−6,135−0.9%Reduced
Vanguard Group Inc1,471,196$70.4M0.00%+68,820+4.9%Added
BlackRock, Inc.3,083,655$147.6M0.00%+179,398+6.2%Added
Trexquant Investment LP0$00.00%−30,160−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−22,085−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−18,477−100.0%Sold out
Ellsworth Advisors, LLC0$00.00%−11,842−100.0%Sold out
Teacher Retirement System of Texas0$00.00%−11,505−100.0%Sold out
Mariner, LLC0$00.00%−9,714−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−8,836−100.0%Sold out
Inceptionr LLC0$00.00%−7,536−100.0%Sold out
Nebula Research & Development LLC0$00.00%−6,766−100.0%Sold out
Bailard, Inc.0$00.00%−5,600−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−5,559−100.0%Sold out
Ethic Inc.0$00.00%−4,903−100.0%Sold out
Jump Financial, LLC0$00.00%−4,559−100.0%Sold out
Universal- Beteiligungs- und Servicegesellschaft mbH0$00.00%−4,170−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−4,008−100.0%Sold out
Oppenheimer & Co Inc0$00.00%−3,925−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−3,918−100.0%Sold out
MKT Advisors LLC0$00.00%−3,859−100.0%Sold out
BNP PARIBAS ASSET MANAGEMENT Holding S.A.0$00.00%−362−100.0%Sold out
Skopos Labs, Inc.0$00.00%−239−100.0%Sold out
Twin Peaks Wealth Advisors, LLC0$00.00%−108−100.0%Sold out
Larson Financial Group LLC0$00.00%−78−100.0%Sold out
WealthCollab, LLC0$00.00%−70−100.0%Sold out
Sierra Ocean, LLC0$00.00%−21−100.0%Sold out
Geneos Wealth Management Inc.0$00.00%−19−100.0%Sold out
Assetmark, Inc0$00.00%−9−100.0%Sold out
Huntington National Bank0$00.00%−5−100.0%Sold out
Parkworth Wealth Management, Inc.––––Not filed