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Equibles

UTL

Unitil Corp

Company with tickers: UTL

CIK
755001
CUSIP
913259107
Shares Outstanding
17,990,811
13F Activity (30d)
167 filings 162 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 238
Total Value: $768,619,488
Total Shares: 14,713,240
Showing 1–100 of 239 holdings by value · page 1 of 3

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 238 13F filers · Δ vs Dec 31, 2025
Top Holder
19.3%
Jun 2023 → Mar 2026 · range 19.3% – 24.6%
−2.8 pts
Top 5
37.6%
Jun 2023 → Mar 2026 · range 37.6% – 48.9%
−7.6 pts
Top 10
54.1%
Jun 2023 → Mar 2026 · range 54.1% – 65.8%
−6.6 pts
HHI
557
Jun 2023 → Mar 2026 · range 557 – 853
Broadly held −179

Quarterly Activity

vs Dec 31, 2025
New
40
Increased
88
Decreased
64
Sold Out
19
Unchanged
46
Holder count: +21
Institutional value: +7.3%
Shares held: -0.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega TWO SIGMA INVESTMENTS, LP +142,741 271,989
Large HRT FINANCIAL LP +99,142 110,438
Large RENAISSANCE TECHNOLOGIES LLC +93,101 490,041
Mega CITADEL ADVISORS LLC +72,907 129,067
Mega GOLDMAN SACHS GROUP INC +59,503 206,487

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega BlackRock, Inc. −430,612 2,833,535
Mega FMR LLC −160,150 10,734
Mega JPMORGAN CHASE & CO −71,737 486,080
Large Boston Trust Walden Corp −45,041 340,191
Mega UBS Group AG −40,524 24,164

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 810,144 $42,321,922
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 507,782 $26,526,531
Mid HEARTLAND ADVISORS INC 150,000 $7,836,000
Mega VANGUARD FIDUCIARY TRUST CO 117,549 $6,140,759
Mega JANE STREET GROUP, LLC 108,202 $5,652,472

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 1,538,652 $74,532,301
Mid HITE Hedge Asset Management LLC 182,218 $8,826,639
Large TWO SIGMA ADVISERS, LP 101,500 $4,916,660
Mid Aventail Capital Group, LP 64,361 $3,117,646
Large COMERICA BANK 23,558 $1,141,148
Filter: New 40 Increased 88 Reduced 64 Sold out 19 Unchanged 46
Showing 100 of 239
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $148,023,862 19.26% 2,833,535
Mega VANGUARD CAPITAL MANAGEMENT LLC $42,321,922 5.51% 810,144
Mega STATE STREET CORP $38,392,586 5.00% 734,927
Mega WELLINGTON MANAGEMENT GROUP LLP $31,453,859 4.09% 602,103
Mid FRONTIER CAPITAL MANAGEMENT CO LLC $28,668,267 3.73% 548,780
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $26,696,363 3.47% 511,033
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $26,526,531 3.45% 507,782
Large RENAISSANCE TECHNOLOGIES LLC $25,599,741 3.33% 490,041
Mega JPMORGAN CHASE & CO $25,392,817 3.30% 486,080
Mega GEODE CAPITAL MANAGEMENT, LLC $22,602,053 2.94% 432,658
Mega DIMENSIONAL FUND ADVISORS LP $17,787,979 2.31% 340,505
Large Boston Trust Walden Corp $17,771,577 2.31% 340,191
Mega MORGAN STANLEY $15,528,125 2.02% 297,246
Mega TWO SIGMA INVESTMENTS, LP $14,208,705 1.85% 271,989
Mid Aristotle Capital Boston, LLC $13,609,721 1.77% 260,523
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $13,390,000 1.74% 256,317
Mid REAVES W H & CO INC $12,969,886 1.69% 248,275
Mega NORTHERN TRUST CORP Bank $12,308,158 1.60% 235,608
Mega GOLDMAN SACHS GROUP INC $10,786,880 1.40% 206,487
Mid HEARTLAND ADVISORS INC $7,836,000 1.02% 150,000
Mega Nuveen, LLC $7,170,931 0.93% 137,269
Mid CSM Advisors, LLC $7,028,630 0.91% 134,545
Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC $6,546,664 0.85% 125,319
Large ProShare Advisors LLC $6,329,711 0.82% 121,166
Mega CITADEL ADVISORS LLC $6,319,315 0.82% 120,967
Mega VANGUARD FIDUCIARY TRUST CO Bank $6,140,759 0.80% 117,549
Mega Invesco Ltd. $5,777,166 0.75% 110,589
Large HRT FINANCIAL LP $5,769,281 0.75% 110,438
Mega JANE STREET GROUP, LLC $5,652,472 0.74% 108,202
Mega Bank of New York Mellon Corp Bank $5,399,679 0.70% 103,363
Mega BANK OF AMERICA CORP /DE/ Bank $5,201,849 0.68% 99,576
Large Russell Investments Group, Ltd. $5,071,560 0.66% 97,082
Mega PRINCIPAL FINANCIAL GROUP INC $4,565,566 0.59% 87,396
Large SEI INVESTMENTS CO $4,264,037 0.55% 81,624
Large PANAGORA ASSET MANAGEMENT INC $4,188,864 0.54% 80,185
Large Qube Research & Technologies Ltd $4,113,429 0.54% 78,741
Large GABELLI FUNDS LLC $3,735,160 0.49% 71,500
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $3,416,387 0.44% 65,398
Large Public Sector Pension Investment Board Pension $3,358,927 0.44% 64,298
Mega MILLENNIUM MANAGEMENT LLC $3,338,658 0.43% 63,910
Mid JOHNSON INVESTMENT COUNSEL INC $3,291,276 0.43% 63,003
Mega RHUMBLINE ADVISERS $2,799,907 0.36% 53,597
Large State of New Jersey Common Pension Fund D Pension $2,718,151 0.35% 52,032
Mega AMERIPRISE FINANCIAL INC $2,611,111 0.34% 49,983
Mid Brooklyn Investment Group $2,571,827 0.33% 49,231
Large GREAT LAKES ADVISORS, LLC $2,550,617 0.33% 48,825
Mega AMERICAN CENTURY COMPANIES INC $2,421,532 0.32% 46,354
Large TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY Pension $2,389,142 0.31% 45,734
Mega ROYAL BANK OF CANADA Bank $2,311,462 0.30% 44,247
Mega Legal & General Group Plc $2,266,065 0.29% 43,378
Small Wernau Asset Management Inc. $2,263,402 0.29% 43,327
Mid EXCHANGE TRADED CONCEPTS, LLC $2,187,079 0.28% 41,866
Large Quantinno Capital Management LP $2,159,967 0.28% 41,347
Mega DEUTSCHE BANK AG\ Bank $2,141,996 0.28% 41,003
Mid ANCHOR CAPITAL ADVISORS LLC $2,101,562 0.27% 40,229
Mid MARTINGALE ASSET MANAGEMENT L P $2,076,540 0.27% 39,750
Mega VICTORY CAPITAL MANAGEMENT INC $1,881,528 0.24% 36,017
Mega Swiss National Bank Bank $1,849,296 0.24% 35,400
Large Thrivent Financial for Lutherans $1,814,347 0.24% 34,731
Mid Advisors Asset Management, Inc. $1,770,779 0.23% 33,897
Mid North Star Investment Management Corp. $1,750,040 0.23% 33,500
Mega RAYMOND JAMES FINANCIAL INC $1,743,405 0.23% 33,373
Small DC Investments Management, LLC $1,716,345 0.22% 32,855
Mega AQR CAPITAL MANAGEMENT LLC $1,627,536 0.21% 31,155
Large Trexquant Investment LP $1,620,432 0.21% 31,019
Large OSAIC HOLDINGS, INC. $1,507,698 0.20% 28,861
Large FIRST MANHATTAN CO. LLC. $1,500,489 0.20% 28,723
Mid WEDGE CAPITAL MANAGEMENT L L P/NC $1,447,465 0.19% 27,708
Large CANADA LIFE ASSURANCE Co Insurance $1,435,973 0.19% 27,488
Large Connor, Clark & Lunn Investment Management Ltd. $1,391,360 0.18% 26,634
Mega BNP PARIBAS ARBITRAGE, SA $1,314,933 0.17% 25,171
Mega UBS Group AG $1,262,327 0.16% 24,164
Large VOYA INVESTMENT MANAGEMENT LLC $1,204,915 0.16% 23,065
Large Squarepoint Ops LLC $1,185,482 0.15% 22,693
Mid XTX Topco Ltd $1,176,340 0.15% 22,518
Mega PRICE T ROWE ASSOCIATES INC /MD/ $1,140,085 0.15% 21,824
Large M&T Bank Corp Bank $1,126,709 0.15% 21,568
Mega HSBC HOLDINGS PLC $1,116,316 0.15% 21,369
Large FIFTH THIRD BANCORP Bank $1,101,375 0.14% 21,083
Large Point72 Asset Management, L.P. $980,806 0.13% 18,775
Large PRUDENTIAL FINANCIAL INC $967,380 0.13% 18,518
Mid Maryland State Retirement & Pension System Pension $952,230 0.12% 18,228
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $913,102 0.12% 17,479
Large Cambridge Investment Research Advisors, Inc. $898,528 0.12% 17,200
Mega ALLIANCEBERNSTEIN L.P. $893,304 0.12% 17,100
Large LSV ASSET MANAGEMENT $851,512 0.11% 16,300
Mid Susquehanna Portfolio Strategies, LLC $831,765 0.11% 15,922
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $778,167 0.10% 14,896
Mid Quantbot Technologies LP $771,584 0.10% 14,770
Large Corient Private Wealth LLC $767,405 0.10% 14,690
Mid HENNESSY ADVISORS INC $710,359 0.09% 13,598
Large Creative Planning $691,918 0.09% 13,245
Mega BARCLAYS PLC $686,954 0.09% 13,150
Large Rockefeller Capital Management L.P. $684,551 0.09% 13,104
Large HighTower Advisors, LLC $673,007 0.09% 12,883
Mega VANGUARD ASSET MANAGEMENT, Ltd $656,552 0.09% 12,568
Mega WELLS FARGO & COMPANY/MN $628,185 0.08% 12,025
Large MERCER GLOBAL ADVISORS INC /ADV $599,662 0.08% 11,479
Mega ENVESTNET ASSET MANAGEMENT INC $580,281 0.08% 11,108
Mega FMR LLC $560,743 0.07% 10,734

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