UNITIL CORP - Common Stock (UTL)

CUSIP: 913259107

Q4 2025 13F Holders as of 31 Dec 2025

Security identity
Shares outstanding
18,011,733
Holder snapshot
Share change
+209,566
Put/Call ratio
52%
Reported price per share
$48.44
Number of holders
217
Value change
+$10,299,571
Number of buys
110
Number of sells
91

Security key

913259107

Report period

Q4 2025

Institutions

217

Top holders

10

Ownership snapshot

Top reported holders of UTL - UNITIL CORP - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
Mark H. Collin
13D/G signal
Evidence rows
15
Latest as of
01 Oct 2025
3/4/5 13F Lead comparable stake: 0.33% Showing 1-6 of 15 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
Mark H. Collin
3/4/5
Director
0.33%
$2,778,290
58,837 shares
01 Oct 2025
Justine Vogel
3/4/5
Director
0.07%
$572,967
12,134 shares
01 Oct 2025
Suzanne Foster
3/4/5
Director
0.07%
$572,967
12,134 shares
01 Oct 2025
Katherine Kountze
3/4/5
Director
0.01%
$76,685
1,624 shares
01 Oct 2025
BlackRock, Inc.
13F
Company
13F
17%
$147,583,737
3,083,655 shares
30 Sep 2025
VANGUARD GROUP INC
13F
Company
13F
8.2%
$70,411,440
1,471,196 shares
30 Sep 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
217
Shares
14,769,937
Rows available
217
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
214
Q4 2025 holders
217
Holder diff
3
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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