The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL
OMB Number: 3235-0006
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M CO COM 88579Y101 10,626 54,015 SH   DFND   54,015 0 0
ABAXIS INC COM 002567105 33,999 409,577 SH   DFND   409,577 0 0
ABBOTT LABS COM 002824100 19,715 323,245 SH   DFND   323,245 0 0
ACCENTURE PLC IRELAND SHS CLASS A G1151C101 255 1,559 SH   DFND   1,559 0 0
AFLAC INC COM 001055102 14,325 332,977 SH   DFND   332,977 0 0
ALPHABET INC CAP STK CL A 02079K305 720 638 SH   DFND   638 0 0
AMERICAN WTR WKS CO INC NEW COM 030420103 10,064 117,878 SH   DFND   117,878 0 0
AMPHENOL CORP NEW CL A 032095101 54,759 628,326 SH   DFND   628,326 0 0
APTARGROUP INC COM 038336103 20,059 214,811 SH   DFND   214,811 0 0
AUTOLIV INC COM 052800109 19,202 134,070 SH   DFND   134,070 0 0
AVALONBAY CMNTYS INC COM 053484101 9,989 58,111 SH   DFND   58,111 0 0
BADGER METER INC COM 056525108 9,780 218,794 SH   DFND   218,794 0 0
BECTON DICKINSON & CO COM 075887109 58,625 244,721 SH   DFND   244,721 0 0
BOSTON PROPERTIES INC COM 101121101 9,987 79,627 SH   DFND   79,627 0 0
BROWN FORMAN CORP CL B 115637209 4,559 93,028 SH   DFND   93,028 0 0
CERNER CORP COM 156782104 70,731 1,182,995 SH   DFND   1,182,995 0 0
CHUBB LIMITED COM H1467J104 25,170 198,160 SH   DFND   198,160 0 0
CLOROX CO DEL COM 189054109 5,172 38,241 SH   DFND   38,241 0 0
COBIZ FINANCIAL INC COM 190897108 5,044 234,821 SH   DFND   234,821 0 0
CONNECTICUT WTR SVC INC COM 207797101 8,393 128,493 SH   DFND   128,493 0 0
DENTSPLY SIRONA INC COM 24906P109 95,170 2,174,311 SH   DFND   2,174,311 0 0
DIAGEO P L C SPON ADR NEW 25243Q205 51,405 356,956 SH   DFND   356,956 0 0
ECOLAB INC COM 278865100 32,976 234,986 SH   DFND   234,986 0 0
EQUITY COMWLTH COM SH BEN INT 294628102 69,941 2,220,339 SH   DFND   2,220,339 0 0
EVEREST RE GROUP LTD COM G3223R108 50,373 218,557 SH   DFND   218,557 0 0
GLOBUS MED INC CL A 379577208 236 4,686 SH   DFND   4,686 0 0
HEALTHCARE RLTY TR COM 421946104 15,616 536,994 SH   DFND   536,994 0 0
HUB GROUP INC CL A 443320106 23,402 469,926 SH   DFND   469,926 0 0
ISHARES TR RUS MDCP VAL ETF 464287473 272 3,071 SH   DFND   3,071 0 0
JOHNSON & JOHNSON COM 478160104 30,744 253,370 SH   DFND   253,370 0 0
KIMBERLY CLARK CORP COM 494368103 4,794 45,511 SH   DFND   45,511 0 0
LINDSAY CORP COM 535555106 4,813 49,623 SH   DFND   49,623 0 0
METLIFE INC COM 59156R108 48,140 1,104,129 SH   DFND   1,104,129 0 0
MIDDLESEX WATER CO COM 596680108 3,658 86,736 SH   DFND   86,736 0 0
NORTHERN TR CORP COM 665859104 28,355 275,583 SH   DFND   275,583 0 0
NORTHWEST NAT GAS CO COM 667655104 10,117 158,574 SH   DFND   158,574 0 0
ONE GAS INC COM 68235P108 10,212 136,634 SH   DFND   136,634 0 0
PROCTER AND GAMBLE CO COM 742718109 16,014 205,152 SH   DFND   205,152 0 0
REINSURANCE GROUP AMER INC COM NEW 759351604 57,707 432,328 SH   DFND   432,328 0 0
ROCKWELL COLLINS INC COM 774341101 14,359 106,616 SH   DFND   106,616 0 0
SANDERSON FARMS INC COM 800013104 82,177 781,526 SH   DFND   781,526 0 0
SJW GROUP COM 784305104 14,849 224,237 SH   DFND   224,237 0 0
SMITH & NEPHEW PLC SPDN ADR NEW 83175M205 80,367 2,141,401 SH   DFND   2,141,401 0 0
STRYKER CORP COM 863667101 251 1,485 SH   DFND   1,485 0 0
SYSCO CORP COM 871829107 10,258 150,208 SH   DFND   150,208 0 0
TRAVELERS COMPANIES INC COM 89417E109 77,162 630,719 SH   DFND   630,719 0 0
UMB FINL CORP COM 902788108 48,790 640,034 SH   DFND   640,034 0 0
UNITED PARCEL SERVICE INC CL B 911312106 10,037 94,484 SH   DFND   94,484 0 0
UNIVERSAL HLTH SVCS INC CL B 913903100 32,830 294,595 SH   DFND   294,595 0 0
UNUM GROUP COM 91529Y106 66,668 1,802,312 SH   DFND   1,802,312 0 0
W R BERKLEY CORPORATION COM 084423102 18,307 252,824 SH   DFND   252,824 0 0
WABCO HLDGS INC COM 92927K102 9,061 77,427 SH   DFND   77,427 0 0
WALMART INC COM 931142103 15,684 183,116 SH   DFND   183,116 0 0
WATERS CORP COM 941848103 9,413 48,623 SH   DFND   48,623 0 0
WHITE MTNS INS GROUP LTD COM G9618E107 34,206 37,730 SH   DFND   37,730 0 0
WOODWARD INC COM 980745103 9,718 126,432 SH   DFND   126,432 0 0
XILINX INC COM 983919101 42,333 648,682 SH   DFND   648,682 0 0
XL GROUP LTD COM G98294104 14,249 254,681 SH   DFND   254,681 0 0