SAFETY INS GROUP INC

Ticker: SAFT CUSIP: 78648T100 Class: Common Stock

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

InstitutionSharesValue ($000)
BlackRock, Inc.2,249,731$175,277
SRB CORP1,842,284$143,532
VANGUARD GROUP INC1,661,343$129,435
DIMENSIONAL FUND ADVISORS LP708,487$55,199
STATE STREET CORP575,319$44,823
GEODE CAPITAL MANAGEMENT, LLC363,039$28,290
GOLDMAN SACHS GROUP INC306,554$23,884
AQR CAPITAL MANAGEMENT LLC304,724$23,741
ADAGE CAPITAL PARTNERS GP, L.L.C.300,000$23,373
JPMORGAN CHASE & CO290,039$22,597
TimesSquare Capital Management, LLC271,930$21,186
CHARLES SCHWAB INVESTMENT MANAGEMENT INC221,051$17,222
NORTHERN TRUST CORP145,361$11,325
MORGAN STANLEY142,087$11,070
RENAISSANCE TECHNOLOGIES LLC140,000$10,907
Bank of New York Mellon Corp139,142$10,841
PRICE T ROWE ASSOCIATES INC /MD/107,507$8
MILLENNIUM MANAGEMENT LLC100,000$7,791
Qube Research & Technologies Ltd98,939$7,708
TEACHER RETIREMENT SYSTEM OF TEXAS83,787$6,528
Invesco Ltd.76,674$5,974
FIRST TRUST ADVISORS LP74,397$5,796
PRINCIPAL FINANCIAL GROUP INC70,978$5,530
TWO SIGMA INVESTMENTS, LP60,779$4,735
AMERICAN CENTURY COMPANIES INC59,167$4,610
Public Sector Pension Investment Board51,591$4,019
TD Asset Management Inc50,200$3,911
DEAN INVESTMENT ASSOCIATES, LLC48,900$3,810
Creative Planning48,671$3,792
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP46,897$3,654
DARK FOREST CAPITAL MANAGEMENT LP40,508$3,156
RHUMBLINE ADVISERS40,177$3,130
Legal & General Group Plc38,135$2,971
IEQ CAPITAL, LLC38,109$2,969
Silver Lake Advisory, LLC37,678$2,935
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC35,540$2,769
Connor, Clark & Lunn Investment Management Ltd.34,002$2,649
Dean Capital Management33,261$2,591
Nuveen, LLC32,851$2,559
Swiss National Bank29,300$2,283
UBS Group AG29,255$2,279
Carl P. Sherr & Co., LLC28,211$2,220
RAYMOND JAMES FINANCIAL INC28,132$2,192
EXCHANGE TRADED CONCEPTS, LLC28,059$2,186
AMERIPRISE FINANCIAL INC27,045$2,107
UBS ASSET MANAGEMENT AMERICAS INC23,753$1,851
BANK OF AMERICA CORP /DE/23,521$1,833
BARCLAYS PLC23,518$1,832
AMG National Trust Bank23,225$1,809
CWM, LLC23,009$2
D. E. Shaw & Co., Inc.21,784$1,697
JANE STREET GROUP, LLC21,539$1,678
NAPLES GLOBAL ADVISORS, LLC20,293$1,581
MARTINGALE ASSET MANAGEMENT L P19,334$1,506
AlphaQuest LLC19,020$1,482
NEW YORK STATE TEACHERS RETIREMENT SYSTEM18,971$1
OSAIC HOLDINGS, INC.18,404$1,434
WELLS FARGO & COMPANY/MN17,290$1,347
ANCHOR CAPITAL ADVISORS LLC17,219$1,342
Quantinno Capital Management LP16,712$1,302
Linden Thomas Advisory Services, LLC16,436$1,281
Point72 Asset Management, L.P.15,977$1,245
ALLIANCEBERNSTEIN L.P.15,914$1,240
Trexquant Investment LP15,829$1,233
HRT FINANCIAL LP15,434$1
Y-Intercept (Hong Kong) Ltd14,682$1,144
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM14,418$1,123
GREAT WEST LIFE ASSURANCE CO /CAN/14,037$1
PRUDENTIAL FINANCIAL INC13,789$1,074
Mariner, LLC13,748$1,073
PANAGORA ASSET MANAGEMENT INC12,841$1,000
WINTON GROUP Ltd12,822$999
FIRST MANHATTAN CO. LLC.12,800$997
Mitsubishi UFJ Asset Management (UK) Ltd.12,500$1
DEUTSCHE BANK AG\12,370$964
TWO SIGMA ADVISERS, LP11,900$927
EntryPoint Capital, LLC10,874$847
DAVENPORT & Co LLC10,458$816
Thrivent Financial for Lutherans10,234$1
Cerity Partners LLC9,894$771
MERCER GLOBAL ADVISORS INC /ADV9,559$745
Engineers Gate Manager LP9,004$702
SG Americas Securities, LLC8,748$1
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC8,342$627
GSA CAPITAL PARTNERS LLP8,275$1
State of Alaska, Department of Revenue8,225$1
KLP KAPITALFORVALTNING AS8,200$639
MetLife Investment Management, LLC8,091$630
Illinois Municipal Retirement Fund8,083$630
Horizon Investments, LLC7,963$620
Ballentine Partners, LLC7,788$607
Diversified Trust Co7,467$582
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.6,848$534
Louisiana State Employees Retirement System6,800$530
MANUFACTURERS LIFE INSURANCE COMPANY, THE6,102$475
State of Tennessee, Department of Treasury6,070$478
Verition Fund Management LLC6,056$472
Inspire Investing, LLC5,996$467
INTECH INVESTMENT MANAGEMENT LLC5,695$444
INCEPTIONR LLC5,591$436
112 other institutions185,870$13,230
Total (212 institutions)12,049,163$919,849