UNITIL CORP

Ticker: UTL CUSIP: 913259107 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
BlackRock, Inc.3,264,147$158,115
VANGUARD GROUP INC1,538,652$74,532
STATE STREET CORP721,277$34,939
WELLINGTON MANAGEMENT GROUP LLP601,260$29,125
FRONTIER CAPITAL MANAGEMENT CO LLC561,172$27,183
JPMORGAN CHASE & CO557,817$27,021
MANUFACTURERS LIFE INSURANCE COMPANY, THE526,561$25,507
GEODE CAPITAL MANAGEMENT, LLC424,163$20,548
RENAISSANCE TECHNOLOGIES LLC396,940$19,228
Boston Trust Walden Corp385,232$18,661
DIMENSIONAL FUND ADVISORS LP348,763$16,894
REAVES W H & CO INC275,000$13,321
Aristotle Capital Boston, LLC274,303$13,287
CHARLES SCHWAB INVESTMENT MANAGEMENT INC268,215$12,992
MORGAN STANLEY268,046$12,984
NORTHERN TRUST CORP223,564$10,829
HITE Hedge Asset Management LLC182,218$8,827
FMR LLC170,884$8,278
GOLDMAN SACHS GROUP INC146,984$7,120
CSM Advisors, LLC134,245$7
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC131,129$6,352
TWO SIGMA INVESTMENTS, LP129,248$6,261
ProShare Advisors LLC128,839$6,241
Nuveen, LLC110,485$5,352
Invesco Ltd.106,779$5,172
Bank of New York Mellon Corp105,852$5,127
TWO SIGMA ADVISERS, LP101,500$4,917
Russell Investments Group, Ltd.89,413$4,331
PRINCIPAL FINANCIAL GROUP INC85,369$4,135
PANAGORA ASSET MANAGEMENT INC80,121$3,881
BANK OF AMERICA CORP /DE/77,544$3,756
SEI INVESTMENTS CO77,278$3,743
GABELLI FUNDS LLC71,500$3,463
JOHNSON INVESTMENT COUNSEL INC69,773$3,380
ROYAL BANK OF CANADA65,301$3,164
UBS ASSET MANAGEMENT AMERICAS INC64,782$3,138
UBS Group AG64,688$3,133
Aventail Capital Group, LP64,361$3,118
Public Sector Pension Investment Board61,982$3,002
RHUMBLINE ADVISERS53,996$2,616
AMERIPRISE FINANCIAL INC52,915$2,593
GREAT LAKES ADVISORS, LLC48,889$2,368
AMERICAN CENTURY COMPANIES INC46,824$2,268
Legal & General Group Plc46,738$2,264
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY45,734$2
State of New Jersey Common Pension Fund D44,972$2,178
EXCHANGE TRADED CONCEPTS, LLC44,482$2,155
Wernau Asset Management Inc.43,252$2,095
CITADEL ADVISORS LLC42,360$2,052
ANCHOR CAPITAL ADVISORS LLC40,964$1,984
DEUTSCHE BANK AG\39,515$1,914
WEDGE CAPITAL MANAGEMENT L L P/NC37,430$1,813
VICTORY CAPITAL MANAGEMENT INC36,275$1,757
BARCLAYS PLC35,970$1,742
Swiss National Bank34,800$1,686
MARTINGALE ASSET MANAGEMENT L P34,707$1,681
North Star Investment Management Corp.33,500$1,623
DC Investments Management, LLC32,855$1,591
RAYMOND JAMES FINANCIAL INC32,658$1,582
FIRST MANHATTAN CO. LLC.32,178$1,559
Thrivent Financial for Lutherans29,546$1
Advisors Asset Management, Inc.28,851$1,398
OSAIC HOLDINGS, INC.28,209$1,368
Squarepoint Ops LLC28,113$1,362
GREAT WEST LIFE ASSURANCE CO /CAN/27,488$1
MILLENNIUM MANAGEMENT LLC27,389$1,327
AQR CAPITAL MANAGEMENT LLC26,112$1,265
WELLS FARGO & COMPANY/MN25,221$1,222
COMERICA BANK23,558$1,141
Qube Research & Technologies Ltd23,331$1,130
Voya Investment Management LLC23,145$1,121
Quantinno Capital Management LP21,587$1,046
M&T Bank Corp21,505$1,042
PRICE T ROWE ASSOCIATES INC /MD/19,266$1
Connor, Clark & Lunn Investment Management Ltd.19,202$930
Maryland State Retirement & Pension System19,004$921
ALLIANCEBERNSTEIN L.P.17,100$828
PRUDENTIAL FINANCIAL INC16,808$814
BNP PARIBAS ARBITRAGE, SA16,611$805
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM15,028$728
HENNESSY ADVISORS INC14,598$707
HSBC HOLDINGS PLC13,715$667
Susquehanna Portfolio Strategies, LLC12,498$605
Rockefeller Capital Management L.P.12,320$597
Creative Planning12,249$593
SUSQUEHANNA INTERNATIONAL GROUP, LLP11,955$579
HighTower Advisors, LLC11,844$574
HRT FINANCIAL LP11,296$1
ENVESTNET ASSET MANAGEMENT INC11,186$542
Cambridge Investment Research Advisors, Inc.10,686$1
Boston Partners10,581$513
COMMONWEALTH EQUITY SERVICES, LLC10,519$510
State of Tennessee, Department of Treasury10,090$514
AlphaQuest LLC9,841$477
STIFEL FINANCIAL CORP9,835$476
Illinois Municipal Retirement Fund9,807$475
Inspire Investing, LLC9,698$470
MetLife Investment Management, LLC9,630$466
State of Alaska, Department of Revenue9,624$0
PNC Financial Services Group, Inc.8,812$427
116 other institutions275,017$11,959
Total (216 institutions)14,769,276$700,191