Vault-13

UNITIL CORP UTL

COM · Common Stock · CUSIP 913259107

American interstate electricity and natural gas utility company

221 institutional holders -4 vs Q1 2025
13,264,72313.3m shares reported held*
81.4% of all shares outstanding*
$691.8mreported value*
26 new 94 added 58 reduced 30 sold out net bought ≈ $33.7m (+646.5k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($820.8k this quarter). Holder counts are more reliable. Shares outstanding: 16.3m as of 2025-08-01, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $52.15. Options: 1 managers hold calls ($0 notional), 1 hold puts ($0).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 22: 178Q4 22: 179Q1 23: 190Q2 23: 181Q3 23: 172Q4 23: 183Q1 24: 188Q2 24: 201Q3 24: 214Q4 24: 207Q1 25: 225Q2 25: 221221Q3 22Q2 23Q1 24Q4 24Q2 25
Numbers
QuarterHolders
Q3 2022178
Q4 2022179
Q1 2023190
Q2 2023181
Q3 2023172
Q4 2023183
Q1 2024188
Q2 2024201
Q3 2024214
Q4 2024207
Q1 2025225
Q2 2025221

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q3 23: 62 bought or addedQ3 23: 98 cut or sold outQ4 23: 88 bought or addedQ4 23: 72 cut or sold outQ4 23Q1 24: 80 bought or addedQ1 24: 77 cut or sold outQ2 24: 95 bought or addedQ2 24: 71 cut or sold outQ2 24Q3 24: 83 bought or addedQ3 24: 85 cut or sold outQ4 24: 87 bought or addedQ4 24: 88 cut or sold outQ4 24Q1 25: 83 bought or addedQ1 25: 101 cut or sold outQ2 25: 120 bought or addedQ2 25: 88 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q3 20236298
Q4 20238872
Q1 20248077
Q2 20249571
Q3 20248385
Q4 20248788
Q1 202583101
Q2 202512088

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$200k$400k$600k$800kQ3 24 calls: $792.8kQ3 24 puts: $175.7kQ3 24P/C 0.22Q4 24 calls: $108.4kQ4 24 puts: $168.0kQ4 24P/C 1.55Q1 25 calls: $161.5kQ1 25 puts: $17.3kQ1 25P/C 0.11Q2 25 calls: $0Q2 25 puts: $0Q2 25P/C —
Numbers
QuarterCallsPutsP/C
Q3 2024$792.8k$175.7k0.22
Q4 2024$108.4k$168.0k1.55
Q1 2025$161.5k$17.3k0.11
Q2 2025$0$0—

Biggest buyers

ROYAL BANK OF CANADA Added +149,112+149.1k
CSM Advisors, LLC New +127,430+127.4k
MANUFACTURERS LIFE INSURANCE COMPANY, THE Added +108,254+108.3k
FRONTIER CAPITAL MANAGEMENT CO LLC Added +101,114+101.1k
BlackRock, Inc. Added +55,327+55.3k
UBS Group AG Added +37,226+37.2k
VANGUARD GROUP INC Added +37,094+37.1k
STATE STREET CORP Added +34,215+34.2k
VICTORY CAPITAL MANAGEMENT INC Added +31,129+31.1k
TWO SIGMA INVESTMENTS, LP Added +29,699+29.7k

Biggest sellers

MILLENNIUM MANAGEMENT LLC Sold out -86,678-86.7k
VOYA INVESTMENT MANAGEMENT LLC Reduced -26,484-26.5k
Wakefield Asset Management LLLP Sold out -17,673-17.7k
DIMENSIONAL FUND ADVISORS LP Reduced -17,276-17.3k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced -16,003-16.0k
Nuveen, LLC Reduced -14,373-14.4k
Campbell & CO Investment Adviser LLC Sold out -14,252-14.3k
ProShare Advisors LLC Reduced -13,716-13.7k
JANE STREET GROUP, LLC Reduced -12,721-12.7k
INTECH INVESTMENT MANAGEMENT LLC Reduced -12,241-12.2k

Biggest calls

Biggest puts

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution -2.2 pts · filed 2026-04-24 14.9% -2.2 pts 2.7m≈ $141.5m 2026-04-24
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 5.2% new 945.6k≈ $49.8m 2026-04-30

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)

Insider purchases and sales in Q2 2025

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported in Q2 2025.

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 2,904,2572.9m $151.5m $151.5m 0.00% Added +55.3k +55,327
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 1,402,3761.4m $73.1m $73.1m 0.00% Added +37.1k +37,094
3 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 785,912785.9k $41.0m $41.0m 0.00% Added +34.2k +34,215
4 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.03% of their portfolio Toronto, A6 717,423717.4k $37.4m $37.4m 0.03% Added +108.3k +108,254
5 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 593,190593.2k $30.9m $30.9m 0.00% Added +23.8k +23,820
6 RENAISSANCE TECHNOLOGIES LLC 0.03% of their portfolio NEW YORK, NY 434,440434.4k $22.7m $22.7m 0.03% Added +1.9k +1,900
7 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 385,714385.7k $20.1m $20.1m 0.00% Added +4.8k +4,824
8 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 378,166378.2k $19.7m $19.7m 0.00% Reduced -17.3k -17,276
9 Boston Trust Walden Corp 0.14% of their portfolio BOSTON, MA 374,130374.1k $19.5m $19.5m 0.14% Reduced -9.2k -9,155
10 FRONTIER CAPITAL MANAGEMENT CO LLC 0.17% of their portfolio Boston, MA 360,894360.9k $18.8m $18.8m 0.17% Added +101.1k +101,114
11 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 322,838322.8k $16.8m $16.8m 0.00% Added +149.1k +149,112
12 Aristotle Capital Boston, LLC 0.78% of their portfolio BOSTON, MA 295,257295.3k $15.4m $15.4m 0.78% Reduced -7.9k -7,860
13 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 197,534197.5k $10.3m $10.3m 0.00% Added +734 +734
14 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 193,486193.5k $10.1m $10.1m 0.00% Reduced -9.5k -9,509
15 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 191,530191.5k $10.0m $10.0m 0.00% Added +23.1k +23,069
16 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 172,810172.8k $9.0m $9.0m 0.00% Reduced -2.0k -1,954
17 CSM Advisors, LLC 0.19% of their portfolio WARRENDALE, PA 127,430127.4k $6.6m $6.6m 0.19% New
18 ProShare Advisors LLC 0.01% of their portfolio BETHESDA, MD 118,453118.5k $6.2m $6.2m 0.01% Reduced -13.7k -13,716
19 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 114,887114.9k $6.0m $6.0m 0.00% Reduced -14.4k -14,373
20 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 109,591109.6k $5.7m $5.7m 0.00% Reduced -3.3k -3,338
21 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.02% of their portfolio Los Angeles, CA 108,600108.6k $5.7m $5.7m 0.02% Reduced -4.3k -4,300
22 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 107,390107.4k $5.6m $5.6m 0.01% Added +17.0k +16,993
23 UBS Group AG 0.00% of their portfolio ZURICH, V8 105,153105.2k $5.5m $5.5m 0.00% Added +37.2k +37,226
24 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 90,53090.5k $4.7m $4.7m 0.00% Added +18.3k +18,346
25 SEI INVESTMENTS CO 0.01% of their portfolio OAKS, PA 90,24790.2k $4.7m $4.7m 0.01% Reduced -2.7k -2,668
26 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 89,18289.2k $4.7m $4.7m 0.00% Added +21.9k +21,889
27 PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio DES MOINES, IA 80,56880.6k $4.2m $4.2m 0.00% Reduced -6.2k -6,214
28 GABELLI FUNDS LLC 0.03% of their portfolio Rye, NY 71,50071.5k $3.7m $3.7m 0.03% Unchanged
29 JOHNSON INVESTMENT COUNSEL INC 0.03% of their portfolio Cincinnati, OH 60,58160.6k $3.2m $3.2m 0.03% Reduced -6.1k -6,059
30 GREAT LAKES ADVISORS, LLC 0.03% of their portfolio CHICAGO, IL 57,94157.9k $3.0m $3.0m 0.03% Reduced -218 -218
31 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 57,68957.7k $3.0m $3.0m 0.00% Reduced -2.0k -1,961
32 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 56,75556.8k $3.0m $3.0m 0.00% Reduced -6.3k -6,301
33 Public Sector Pension Investment Board 0.01% of their portfolio MONTREAL, A8 55,32755.3k $2.9m $2.9m 0.01% Added +3.8k +3,803
34 PANAGORA ASSET MANAGEMENT INC 0.01% of their portfolio BOSTON, MA 54,36254.4k $2.8m $2.8m 0.01% Added +14.0k +13,997
35 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 51,68051.7k $2.7m $2.7m 0.00% Added +1.3k +1,291
36 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 51,50951.5k $2.7m $2.7m 0.00% Added +29.7k +29,699
37 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 50,97051.0k $2.7m $2.7m 0.00% Reduced -3.7k -3,721
38 TUDOR INVESTMENT CORP ET AL 0.02% of their portfolio STAMFORD, CT 48,37248.4k $2.5m $2.5m 0.02% Added +9.3k +9,306
39 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 48,34448.3k $2.5m $2.5m 0.00% Added +1.1k +1,082
40 Legal & General Group Plc 0.00% of their portfolio London, X0 48,17948.2k $2.5m $2.5m 0.00% Added +116 +116
41 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 46,83246.8k $2.4m $2.4m 0.00% Added +31.1k +31,129
42 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 44,65344.7k $2.3m $2.3m 0.00% Added +5.2k +5,220
43 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 43,88043.9k $2.3m $2.3m 0.00% Added +685 +685
44 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 43,03443.0k $2.2m $2.2m 0.00% Added +3.1k +3,104
45 Annex Advisory Services, LLC 0.05% of their portfolio BROOKFIELD, WI 41,99742.0k $2.2m $2.2m 0.05% Reduced -5.1k -5,114
46 Wernau Asset Management Inc. 2.46% of their portfolio Gloucester, MA 41,67441.7k $2.2m $2.2m 2.46% Reduced -7.7k -7,689
47 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 36,90036.9k $1.9m $1.9m 0.00% Added +12.2k +12,200
48 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 36,85236.9k $1.9m $1.9m 0.00% Added +12.0k +12,011
49 State of New Jersey Common Pension Fund D 0.01% of their portfolio TRENTON, NJ 35,37635.4k $1.8m $1.8m 0.01% Added +1.2k +1,179
50 FIRST MANHATTAN CO. LLC. 0.01% of their portfolio NEW YORK, NY 34,62034.6k $1.8m $1.8m 0.01% Reduced -2.7k -2,675
51 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 33,76733.8k $1.8m $1.8m 0.00% Added +3.7k +3,716
52 North Star Investment Management Corp. 0.12% of their portfolio CHICAGO, IL 33,50033.5k $1.7m $1.7m 0.12% Unchanged
53 MARTINGALE ASSET MANAGEMENT L P 0.04% of their portfolio BOSTON, MA 33,10033.1k $1.7m $1.7m 0.04% Reduced -599 -599
54 DC Investments Management, LLC 0.71% of their portfolio MCLEAN, VA 32,85532.9k $1.7m $1.7m 0.71% Unchanged
55 Man Group plc 0.00% of their portfolio LONDON, X0 32,25732.3k $1.7m $1.7m 0.00% Added +14.4k +14,381
56 WEDGE CAPITAL MANAGEMENT L L P/NC 0.03% of their portfolio CHARLOTTE, NC 31,60231.6k $1.6m $1.6m 0.03% Added +750 +750
57 Swiss National Bank 0.00% of their portfolio ZURICH, V8 31,00031.0k $1.6m $1.6m 0.00% Reduced -400 -400
58 ANCHOR CAPITAL ADVISORS LLC 0.05% of their portfolio Boston, MA 30,99131.0k $1.6m $1.6m 0.05% Added +196 +196
59 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.01% of their portfolio FRANKFORT, KY 30,28330.3k $1.6m $1.6m 0.01% Added +2.3k +2,308
60 Trexquant Investment LP 0.02% of their portfolio STAMFORD, CT 30,16030.2k $1.6m $1.6m 0.02% Added +12.5k +12,478
61 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 25,80625.8k $1.3m $1.3m 0.00% Reduced -26.5k -26,484
62 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 25,41325.4k $1.3m $1.3m 0.00% Added +2.3k +2,308
63 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 25,02525.0k $1.3m $1.3m 0.00% Added +844 +844
64 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 24,63624.6k $1.3m $1.3m 0.00% Added +12.5k +12,526
65 Advisors Asset Management, Inc. 0.02% of their portfolio Monument, CO 22,66822.7k $1.2m $1.2m 0.02% Added +2.1k +2,120
66 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 22,08522.1k $1.2m $1.2m 0.00% Reduced -16.0k -16,003
67 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 21,13421.1k $1.1m $1.1m 0.00% Reduced -2.1k -2,126
68 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 20,80820.8k $1.1m $1.1m 0.00% Reduced -12.7k -12,721
69 M&T Bank Corp 0.00% of their portfolio BUFFALO, NY 19,75719.8k $1.0m $1.0m 0.00% Added +314 +314
70 GUGGENHEIM CAPITAL LLC 0.01% of their portfolio CHICAGO, IL 19,66919.7k $1.0m $1.0m 0.01% Reduced -1.8k -1,843
71 Maryland State Retirement & Pension System 0.02% of their portfolio BALTIMORE, MD 19,39819.4k $1.0m $1.0m 0.02% Added +891 +891
72 Dynamic Technology Lab Private Ltd 0.13% of their portfolio SINGAPORE, U0 18,47718.5k $964.0k $964.0k 0.13% Added +14.7k +14,747
73 COMERICA BANK 0.00% of their portfolio DALLAS, TX 18,19618.2k $948.9k $948.9k 0.00% Added +1.5k +1,487
74 Pathstone Holdings, LLC 0.00% of their portfolio ENGLEWOOD, NJ 17,89317.9k $933.1k $933.1k 0.00% Reduced -2.0k -1,978
75 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 16,99117.0k $886.1k $886.1k 0.00% Added +1.3k +1,316
76 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 15,40015.4k $803.1k $803.1k 0.00% Reduced -300 -300
77 HENNESSY ADVISORS INC 0.03% of their portfolio NOVATO, CA 15,29815.3k $797.8k $797.8k 0.03% Reduced -100 -100
78 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 15,06615.1k $785.7k $785.7k 0.00% Reduced -8.8k -8,826
79 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 14,94114.9k $779.2k $779.2k 0.00% Reduced -174 -174
80 EXCHANGE TRADED CONCEPTS, LLC 0.01% of their portfolio Oklahoma City, OK 14,78714.8k $771.1k $771.1k 0.01% Added +284 +284
81 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 13,78313.8k $719.0k $719.0k 0.00% Added +1.1k +1,067
82 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 13,75113.8k $717.1k $717.1k 0.00% Added +528 +528
83 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 12,60812.6k $651.2k $651.2k 0.00% Added +6.7k +6,716
84 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 12,47012.5k $650.0k $650.0k 0.00% Added +34 +34
85 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 12,29312.3k $641.1k $641.1k 0.00% Reduced -1.5k -1,461
86 Thrivent Financial for Lutherans 0.00% of their portfolio Minneapolis, MN 11,95011.9k $623.0k $623.0k 0.00% Added +17 +17
87 Ellsworth Advisors, LLC 0.15% of their portfolio HUDSON, OH 11,84211.8k $617.5k $617.5k 0.15% Added +203 +203
88 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 11,70011.7k $610.2k $610.2k 0.00% Added +800 +800
89 TEACHER RETIREMENT SYSTEM OF TEXAS 0.00% of their portfolio AUSTIN, TX 11,50511.5k $600.0k $600.0k 0.00% Reduced -411 -411
90 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 11,36011.4k $592.4k $592.4k 0.00% Added +247 +247
91 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 11,32211.3k $590.4k $590.4k 0.00% Reduced -761 -761
92 Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio FAIRFIELD, IA 11,01511.0k $574.0k $574.0k 0.00% Added +64 +64
93 Boston Partners 0.00% of their portfolio BOSTON, MA 10,95311.0k $571.2k $571.2k 0.00% Added +972 +972
94 State of Tennessee, Department of Treasury 0.00% of their portfolio NASHVILLE, TN 10,38310.4k $541.5k $541.5k 0.00% Added +180 +180
95 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 9,8139.8k $511.7k $511.7k 0.00% New
96 Mariner, LLC 0.00% of their portfolio Overland Park, KS 9,7149.7k $506.6k $506.6k 0.00% Added +4.9k +4,910
97 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 9,6909.7k $505.3k $505.3k 0.00% New
98 State of Alaska, Department of Revenue 0.01% of their portfolio JUNEAU, AK 9,6559.7k $503.0k $503.0k 0.01% Added +653 +653
99 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 9,5489.5k $497.9k $497.9k 0.00% Unchanged
100 BANK OF MONTREAL /CAN/ 0.00% of their portfolio TORONTO, A6 9,4519.5k $492.9k $492.9k 0.00% Reduced -140 -140