Vault-13

UNITIL CORP UTL

COM · Common Stock · CUSIP 913259107

American interstate electricity and natural gas utility company

244 institutional holders +6 vs Q1 2026
15,357,20015.4m shares reported held*
84.2% of all shares outstanding*
$809.4mreported value*
33 new 97 added 70 reduced 27 sold out net bought ≈ $33.8m (+641.7k 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 ($140.6k this quarter). Holder counts are more reliable. Shares outstanding: 18.2m as of 2026-07-31, 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 ≈ $52.71. Options: 2 managers hold calls ($353.0k notional), 0 hold puts (—).

Trends to Q2 2026

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: 221Q3 25: 217Q4 25: 217Q1 26: 238Q2 26: 244244Q3 22Q3 23Q3 24Q3 25Q2 26
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
Q3 2025217
Q4 2025217
Q1 2026238
Q2 2026244

Buyers vs sellers

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

Bought or addedCut or sold out
2000200Q3 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 25Q3 25: 118 bought or addedQ3 25: 92 cut or sold outQ4 25: 109 bought or addedQ4 25: 92 cut or sold outQ4 25Q1 26: 121 bought or addedQ1 26: 80 cut or sold outQ2 26: 130 bought or addedQ2 26: 97 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20248385
Q4 20248788
Q1 202583101
Q2 202512088
Q3 202511892
Q4 202510992
Q1 202612180
Q2 202613097

Calls vs puts

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

CallsPuts
$0$200k$400k$600kQ3 25 calls: $349.4kQ3 25 puts: $0Q3 25P/C 0.00Q4 25 calls: $460.2kQ4 25 puts: $227.7kQ4 25P/C 0.49Q1 26 calls: $428.4kQ1 26 puts: $0Q1 26P/C 0.00Q2 26 calls: $353.0kQ2 26 puts: $0Q2 26P/C 0.00
Numbers
QuarterCallsPutsP/C
Q3 2025$349.4k$00.00
Q4 2025$460.2k$227.7k0.49
Q1 2026$428.4k$00.00
Q2 2026$353.0k$00.00

Biggest buyers

Bragg Financial Advisors, Inc New +243,573+243.6k
AQR CAPITAL MANAGEMENT LLC Added +130,703+130.7k
MORGAN STANLEY Added +114,684+114.7k
HEARTLAND ADVISORS INC Added +82,349+82.3k
CITADEL ADVISORS LLC Added +73,584+73.6k
TWO SIGMA INVESTMENTS, LP Added +69,675+69.7k
BlackRock, Inc. Added +59,635+59.6k
UBS Group AG Added +58,195+58.2k
STATE STREET CORP Added +47,268+47.3k
GEODE CAPITAL MANAGEMENT, LLC Added +34,459+34.5k

Biggest sellers

WELLINGTON MANAGEMENT GROUP LLP Reduced -110,629-110.6k
JANE STREET GROUP, LLC Sold out -108,202-108.2k
RENAISSANCE TECHNOLOGIES LLC Reduced -82,501-82.5k
HRT FINANCIAL LP Reduced -80,973-81.0k
MILLENNIUM MANAGEMENT LLC Sold out -63,910-63.9k
GOLDMAN SACHS GROUP INC Reduced -45,829-45.8k
REAVES W H & CO INC Reduced -41,357-41.4k
Trexquant Investment LP Sold out -31,019-31.0k
Point72 Asset Management, L.P. Sold out -18,775-18.8k
JOHNSON INVESTMENT COUNSEL INC Reduced -18,405-18.4k

Biggest calls

CITADEL ADVISORS LLC Reduced $337.2k6.4k shares
SIMPLEX TRADING, LLC Added $15.8k300 shares

Biggest puts

None

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 since 1 Apr 2026

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 since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 2,893,1702.9m $152.4m $152.4m 0.00% Added +59.6k +59,635
2 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 803,469803.5k $42.3m $42.3m 0.00% Reduced -6.7k -6,675
3 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 782,195782.2k $41.2m $41.2m 0.00% Added +47.3k +47,268
4 FRONTIER CAPITAL MANAGEMENT CO LLC 0.27% of their portfolio Boston, MA 553,320553.3k $29.2m $29.2m 0.27% Added +4.5k +4,540
5 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.02% of their portfolio Toronto, A6 509,855509.9k $26.9m $26.9m 0.02% Reduced -1.2k -1,178
6 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 506,993507.0k $26.7m $26.7m 0.00% Reduced -789 -789
7 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 491,474491.5k $25.9m $25.9m 0.00% Reduced -110.6k -110,629
8 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 475,940475.9k $25.3m $25.3m 0.00% Reduced -10.1k -10,140
9 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 467,117467.1k $24.6m $24.6m 0.00% Added +34.5k +34,459
10 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 411,930411.9k $21.7m $21.7m 0.00% Added +114.7k +114,684
11 RENAISSANCE TECHNOLOGIES LLC 0.03% of their portfolio NEW YORK, NY 407,540407.5k $21.5m $21.5m 0.03% Reduced -82.5k -82,501
12 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 341,664341.7k $18.0m $18.0m 0.01% Added +69.7k +69,675
13 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 341,216341.2k $18.0m $18.0m 0.00% Added +711 +711
14 Boston Trust Walden Corp 0.13% of their portfolio BOSTON, MA 322,912322.9k $17.0m $17.0m 0.13% Reduced -17.3k -17,279
15 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 256,892256.9k $13.5m $13.5m 0.00% Added +575 +575
16 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 248,761248.8k $13.1m $13.1m 0.00% Added +13.2k +13,153
17 Aristotle Capital Boston, LLC 0.88% of their portfolio BOSTON, MA 247,621247.6k $13.0m $13.0m 0.88% Reduced -12.9k -12,902
18 Bragg Financial Advisors, Inc 0.34% of their portfolio CHARLOTTE, NC 243,573243.6k $12.8m $12.8m 0.34% New
19 HEARTLAND ADVISORS INC 0.55% of their portfolio MILWAUKEE, WI 232,349232.3k $12.2m $12.2m 0.55% Added +82.3k +82,349
20 REAVES W H & CO INC 0.17% of their portfolio JERSEY CITY, NJ 206,918206.9k $10.9m $10.9m 0.17% Reduced -41.4k -41,357
21 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 194,551194.6k $10.3m $10.3m 0.01% Added +73.6k +73,584
22 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 163,906163.9k $8.6m $8.6m 0.00% Added +26.6k +26,637
23 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 161,858161.9k $8.5m $8.5m 0.00% Added +130.7k +130,703
24 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 160,658160.7k $8.5m $8.5m 0.00% Reduced -45.8k -45,829
25 CSM Advisors, LLC 0.18% of their portfolio WARRENDALE, PA 156,545156.5k $8.2m $8.2m 0.18% Added +22.0k +22,000
26 ProShare Advisors LLC 0.01% of their portfolio BETHESDA, MD 134,309134.3k $7.1m $7.1m 0.01% Added +13.1k +13,143
27 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.02% of their portfolio Los Angeles, CA 133,239133.2k $7.0m $7.0m 0.02% Added +7.9k +7,920
28 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 118,969119.0k $6.3m $6.3m 0.00% Added +1.4k +1,420
29 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 109,704109.7k $5.8m $5.8m 0.00% Reduced -885 -885
30 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 108,742108.7k $5.7m $5.7m 0.00% Added +5.4k +5,379
31 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 100,857100.9k $5.3m $5.3m 0.00% Added +1.3k +1,281
32 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 91,26591.3k $4.8m $4.8m 0.01% Added +12.5k +12,524
33 PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio DES MOINES, IA 86,94886.9k $4.6m $4.6m 0.00% Reduced -448 -448
34 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 85,17485.2k $4.5m $4.5m 0.00% Reduced -11.9k -11,908
35 PANAGORA ASSET MANAGEMENT INC 0.01% of their portfolio BOSTON, MA 83,13083.1k $4.4m $4.4m 0.01% Added +2.9k +2,945
36 UBS Group AG 0.00% of their portfolio ZURICH, V8 82,35982.4k $4.3m $4.3m 0.00% Added +58.2k +58,195
37 GABELLI FUNDS LLC 0.02% of their portfolio Rye, NY 71,50071.5k $3.8m $3.8m 0.02% Unchanged
38 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 65,46865.5k $3.4m $3.4m 0.00% Reduced -16.2k -16,156
39 MARTINGALE ASSET MANAGEMENT L P 0.08% of their portfolio BOSTON, MA 63,03263.0k $3.3m $3.3m 0.08% Added +23.3k +23,282
40 NORGES BANK 0.00% of their portfolio OSLO, Q8 62,30062.3k $3.3m $3.3m 0.00% Not comparable
41 Public Sector Pension Investment Board 0.01% of their portfolio MONTREAL, A8 61,66961.7k $3.2m $3.2m 0.01% Reduced -2.6k -2,629
42 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 58,42458.4k $3.1m $3.1m 0.00% Reduced -7.0k -6,974
43 Quantinno Capital Management LP 0.00% of their portfolio NEW YORK, NY 56,42556.4k $3.0m $3.0m 0.00% Added +15.1k +15,078
44 WEDGE CAPITAL MANAGEMENT L L P/NC 0.05% of their portfolio CHARLOTTE, NC 51,83951.8k $2.7m $2.7m 0.05% Added +24.1k +24,131
45 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 50,54150.5k $2.7m $2.7m 0.00% Added +14.5k +14,524
46 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 50,53650.5k $2.7m $2.7m 0.00% Added +6.3k +6,289
47 State of New Jersey Common Pension Fund D 0.01% of their portfolio TRENTON, NJ 49,99150.0k $2.6m $2.6m 0.01% Reduced -2.0k -2,041
48 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 49,51649.5k $2.6m $2.6m 0.00% Reduced -467 -467
49 Thrivent Financial for Lutherans 0.00% of their portfolio Minneapolis, MN 49,34749.3k $2.6m $2.6m 0.00% Added +14.6k +14,616
50 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 47,47547.5k $2.5m $2.5m 0.00% Reduced -6.1k -6,122
51 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.02% of their portfolio FRANKFORT, KY 45,73445.7k $2.4m $2.4m 0.02% Unchanged
52 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 44,61944.6k $2.4m $2.4m 0.00% Reduced -1.7k -1,735
53 JOHNSON INVESTMENT COUNSEL INC 0.02% of their portfolio Cincinnati, OH 44,59844.6k $2.3m $2.3m 0.02% Reduced -18.4k -18,405
54 Wernau Asset Management Inc. 2.22% of their portfolio Gloucester, MA 44,52644.5k $2.3m $2.3m 2.22% Added +1.2k +1,199
55 GREAT LAKES ADVISORS, LLC 0.02% of their portfolio CHICAGO, IL 43,36643.4k $2.3m $2.3m 0.02% Reduced -5.5k -5,459
56 Legal & General Group Plc 0.00% of their portfolio London, X0 43,35943.4k $2.3m $2.3m 0.00% Reduced -19 -19
57 FMR LLC 0.00% of their portfolio BOSTON, MA 42,84142.8k $2.3m $2.3m 0.00% Added +32.1k +32,107
58 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 42,69642.7k $2.2m $2.2m 0.00% Added +16.1k +16,062
59 EXCHANGE TRADED CONCEPTS, LLC 0.01% of their portfolio Oklahoma City, OK 42,49942.5k $2.2m $2.2m 0.01% Added +633 +633
60 ANCHOR CAPITAL ADVISORS LLC 0.06% of their portfolio Boston, MA 39,95940.0k $2.1m $2.1m 0.06% Reduced -270 -270
61 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 39,04039.0k $2.1m $2.1m 0.00% Reduced -2.0k -1,963
62 Advisors Asset Management, Inc. 0.03% of their portfolio Monument, CO 37,03237.0k $2.0m $2.0m 0.03% Added +3.1k +3,135
63 Swiss National Bank 0.00% of their portfolio ZURICH, V8 36,10036.1k $1.9m $1.9m 0.00% Added +700 +700
64 Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio FAIRFIELD, IA 33,83833.8k $1.8m $1.8m 0.00% Added +16.6k +16,638
65 North Star Investment Management Corp. 0.10% of their portfolio CHICAGO, IL 33,50033.5k $1.8m $1.8m 0.10% Unchanged
66 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 33,29133.3k $1.8m $1.8m 0.00% Reduced -82 -82
67 DC Investments Management, LLC 0.59% of their portfolio MCLEAN, VA 32,85532.9k $1.7m $1.7m 0.59% Unchanged
68 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 30,93730.9k $1.6m $1.6m 0.00% Added +3.4k +3,449
69 FIFTH THIRD BANCORP 0.00% of their portfolio CINCINNATI, OH 30,80730.8k $1.6m $1.6m 0.00% Added +9.7k +9,724
70 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 29,46529.5k $1.6m $1.6m 0.00% Reduced -81.0k -80,973
71 SEGALL BRYANT & HAMILL, LLC 0.02% of their portfolio CHICAGO, IL 28,99329.0k $1.5m $1.5m 0.02% New
72 FIRST MANHATTAN CO. LLC. 0.00% of their portfolio NEW YORK, NY 28,72328.7k $1.5m $1.5m 0.00% Unchanged
73 XTX Topco Ltd 0.02% of their portfolio LONDON, X0 28,25028.2k $1.5m $1.5m 0.02% Added +5.7k +5,732
74 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 27,91027.9k $1.5m $1.5m 0.00% Reduced -951 -951
75 New Hampshire Trust 0.24% of their portfolio CONCORD, NH 24,04424.0k $1.3m $1.3m 0.24% Added +17.7k +17,665
76 Midwest Trust Co 0.01% of their portfolio Overland Park, KS 24,04424.0k $1.3m $1.3m 0.01% Added +17.7k +17,665
77 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 23,97424.0k $1.3m $1.3m 0.00% Added +909 +909
78 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 23,75523.8k $1.3m $1.3m 0.00% Added +1.9k +1,931
79 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 22,13222.1k $1.2m $1.2m 0.00% Reduced -3.0k -3,039
80 M&T Bank Corp 0.00% of their portfolio BUFFALO, NY 21,66621.7k $1.1m $1.1m 0.00% Added +98 +98
81 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 20,61320.6k $1.1m $1.1m 0.00% Added +5.7k +5,717
82 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 20,15920.2k $1.1m $1.1m 0.00% Added +8.1k +8,134
83 Susquehanna Portfolio Strategies, LLC 0.02% of their portfolio Bala Cynwyd, PA 19,53819.5k $1.0m $1.0m 0.02% Added +3.6k +3,616
84 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 19,26819.3k $1.0m $1.0m 0.00% New
85 Maryland State Retirement & Pension System 0.02% of their portfolio BALTIMORE, MD 19,11519.1k $1.0m $1.0m 0.02% Added +887 +887
86 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 19,05919.1k $1.0m $1.0m 0.00% Reduced -2.3k -2,310
87 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 18,76818.8k $988.9k $988.9k 0.00% Added +250 +250
88 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 17,13817.1k $895.3k $895.3k 0.00% Added +38 +38
89 MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio DENVER, CO 16,62216.6k $875.8k $875.8k 0.00% Added +5.1k +5,143
90 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 16,44816.4k $866.6k $866.6k 0.00% Added +3.2k +3,203
91 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 15,71015.7k $827.8k $827.8k 0.00% New
92 Horizon Investments, LLC 0.01% of their portfolio Charlotte, NC 15,65415.7k $824.8k $824.8k 0.01% Added +15.7k +15,650
93 Corient Private Wealth LP 0.00% of their portfolio MIAMI, FL 15,50815.5k $817.1k $817.1k 0.00% Added +818 +818
94 HENNESSY ADVISORS INC 0.03% of their portfolio NOVATO, CA 15,29815.3k $806.1k $806.1k 0.03% Added +1.7k +1,700
95 Cerity Partners LLC 0.00% of their portfolio NEW YORK, NY 14,86014.9k $783.0k $783.0k 0.00% Added +6.7k +6,684
96 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 13,79913.8k $727.1k $727.1k 0.00% Added +649 +649
97 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 13,30813.3k $701.2k $701.2k 0.00% Added +204 +204
98 LSV ASSET MANAGEMENT 0.00% of their portfolio CHICAGO, IL 13,30013.3k $701.0k $701.0k 0.00% Reduced -3.0k -3,000
99 Inspire Investing, LLC 0.03% of their portfolio MERIDIAN, ID 12,88912.9k $679.1k $679.1k 0.03% Added +3.0k +3,027
100 VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio London, EC4N 8AF, X0 12,56812.6k $662.2k $662.2k 0.00% Unchanged