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, Q1 2026
Institutional positions in Unitil Corp as of Mar 31, 2026. 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
- 238
- +25 vs. Q4 2025
- Shares held
- 14.7M
- +1.50M (+11.3%) vs. Q4 2025
- Total value
- $768.6M
- +$128.8M (+20.1%) vs. Q4 2025
- New holders
- 40
- 88 more added
- Sold out
- 15
- 64 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 245 | $808.9M |
| Q1 2026 | 238 | $768.6M |
| Q4 2025 | 217 | $715.5M |
| Q3 2025 | 217 | $696.6M |
| Q2 2025 | 220 | $683.5M |
| Q1 2025 | 224 | $733.7M |
| Q4 2024 | 206 | $694.2M |
| Q3 2024 | 213 | $772.5M |
| Q2 2024 | 200 | $638.9M |
| Q1 2024 | 187 | $641.4M |
| Q4 2023 | 182 | $651.7M |
| Q3 2023 | 171 | $515.1M |
| Q2 2023 | 180 | $615.0M |
| Q1 2023 | 190 | $675.1M |
| Q4 2022 | 179 | $612.2M |
| Q3 2022 | 177 | $557.7M |
| Q2 2022 | 176 | $722.0M |
| Q1 2022 | 176 | $588.4M |
| Q4 2021 | 165 | $532.5M |
| Q3 2021 | 159 | $503.2M |
| Q2 2021 | 154 | $601.6M |
| Q1 2021 | 137 | $481.5M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Unitil Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Asset Management Americas Inc | 65,398 | $3.42M | 0.00% | +616+1.0% | Added |
| Gabelli Funds LLC | 71,500 | $3.74M | 0.03% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 78,741 | $4.11M | 0.01% | +55,410+237.5% | Added |
| Panagora Asset Management Inc | 80,185 | $4.19M | 0.02% | +64+0.1% | Added |
| SEI Investments Co | 81,624 | $4.26M | 0.00% | +4,346+5.6% | Added |
| Principal Financial Group Inc | 87,396 | $4.57M | 0.00% | +2,027+2.4% | Added |
| Russell Investments Group, Ltd. | 97,082 | $5.07M | 0.01% | +7,669+8.6% | Added |
| Bank of America Corp | 99,576 | $5.20M | 0.00% | +22,032+28.4% | Added |
| Bank of New York Mellon Corp | 103,363 | $5.40M | 0.00% | −2,489−2.4% | Reduced |
| Jane Street Group, LLC | 108,202 | $5.65M | 0.01% | +108,202 | New |
| HRT Financial LP | 110,438 | $5.77M | 0.01% | +99,142+877.7% | Added |
| Invesco Ltd. | 110,589 | $5.78M | 0.00% | +3,810+3.6% | Added |
| Vanguard Fiduciary Trust Co | 117,549 | $6.14M | 0.00% | +117,549 | New |
| Citadel Advisors LLC | 120,967 | $6.32M | 0.00% | +78,607+185.6% | Added |
| ProShare Advisors LLC | 121,166 | $6.33M | 0.01% | −7,673−6.0% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 125,319 | $6.55M | 0.02% | −5,810−4.4% | Reduced |
| CSM Advisors, LLC | 134,545 | $7.03M | 0.17% | +300+0.2% | Added |
| Nuveen, LLC | 137,269 | $7.17M | 0.00% | +26,784+24.2% | Added |
| Heartland Advisors Inc | 150,000 | $7.84M | 0.40% | +150,000 | New |
| Goldman Sachs Group Inc | 206,487 | $10.8M | 0.00% | +59,503+40.5% | Added |
| Northern Trust Corp | 235,608 | $12.3M | 0.00% | +12,044+5.4% | Added |
| Reaves W H & Co Inc | 248,275 | $13.0M | 0.22% | −26,725−9.7% | Reduced |
| Charles Schwab Investment Management Inc | 256,317 | $13.4M | 0.00% | −11,898−4.4% | Reduced |
| Aristotle Capital Boston, LLC | 260,523 | $13.6M | 0.85% | −13,780−5.0% | Reduced |
| Two Sigma Investments, LP | 271,989 | $14.2M | 0.01% | +142,741+110.4% | Added |
| Morgan Stanley | 297,246 | $15.5M | 0.00% | +29,200+10.9% | Added |
| Boston Trust Walden Corp | 340,191 | $17.8M | 0.15% | −45,041−11.7% | Reduced |
| Dimensional Fund Advisors LP | 340,505 | $17.8M | 0.00% | −8,258−2.4% | Reduced |
| Geode Capital Management, LLC | 432,658 | $22.6M | 0.00% | +8,495+2.0% | Added |
| Renaissance Technologies LLC | 490,041 | $25.6M | 0.04% | +93,101+23.5% | Added |
| JPMorgan Chase & Co | 486,080 | $25.8M | 0.00% | −71,737−12.9% | Reduced |
| Vanguard Portfolio Management LLC | 507,782 | $26.5M | 0.00% | +507,782 | New |
| Manufacturers Life Insurance Company, The | 511,033 | $26.7M | 0.02% | −15,528−2.9% | Reduced |
| Frontier Capital Management Co LLC | 548,780 | $28.7M | 0.29% | −12,392−2.2% | Reduced |
| Wellington Management Group LLP | 602,103 | $31.5M | 0.01% | +843+0.1% | Added |
| State Street Corp | 734,927 | $38.4M | 0.00% | +13,650+1.9% | Added |
| Vanguard Capital Management LLC | 810,144 | $42.3M | 0.00% | +810,144 | New |
| BlackRock, Inc. | 2,833,535 | $148.0M | 0.00% | −430,612−13.2% | Reduced |
| HITE Hedge Asset Management LLC | 0 | $0 | 0.00% | −182,218−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −101,500−100.0% | Sold out |
| Aventail Capital Group, LP | 0 | $0 | 0.00% | −64,361−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −9,841−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −4,487−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −3,938−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −991−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −530−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −244−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −49−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Financial Network Wealth Advisors LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Transamerica Financial Advisors, Inc. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Trust Co of Vermont | – | – | – | – | Not filed |