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
Estimated average burden
hours per response: 23.8
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 25,328 131,450 SH   SOLE   131,450 0 0
AEROJET ROCKETDYNE HLDGS INC COM 007800105 29,236 622,572 SH   SOLE   622,572 0 0
ALLEGHANY CORP DEL COM 017175100 557 889 SH   SOLE   889 0 0
ALPHABET INC CAP STK CL A 02079K305 3,572 1,732 SH   SOLE   1,732 0 0
AMERICAN WTR WKS CO INC NEW COM 030420103 30,909 206,170 SH   SOLE   206,170 0 0
AMPHENOL CORP NEW CL A 032095101 123,071 1,865,557 SH   SOLE   1,865,557 0 0
APTARGROUP INC COM 038336103 15,175 107,116 SH   SOLE   107,116 0 0
AVALONBAY CMNTYS INC COM 053484101 76,690 415,641 SH   SOLE   415,641 0 0
AVISTA CORP COM 05379B107 88,635 1,856,224 SH   SOLE   1,856,224 0 0
BAXTER INTL INC COM 071813109 220,369 2,612,868 SH   SOLE   2,612,868 0 0
BECTON DICKINSON & CO COM 075887109 23,459 96,481 SH   SOLE   96,481 0 0
BERKLEY W R CORP COM 084423102 28,449 377,557 SH   SOLE   377,557 0 0
BOSTON PROPERTIES INC COM 101121101 29,572 292,045 SH   SOLE   292,045 0 0
CAL MAINE FOODS INC COM NEW 128030202 208,819 5,435,165 SH   SOLE   5,435,165 0 0
CALAVO GROWERS INC COM 128246105 14,913 192,085 SH   SOLE   192,085 0 0
CALIFORNIA WTR SVC GROUP COM 130788102 52,165 925,905 SH   SOLE   925,905 0 0
CERNER CORP COM 156782104 14,702 204,537 SH   SOLE   204,537 0 0
CHUBB LIMITED COM H1467J104 178,325 1,128,855 SH   SOLE   1,128,855 0 0
DENTSPLY SIRONA INC COM 24906P109 201,803 3,162,561 SH   SOLE   3,162,561 0 0
DIAGEO PLC SPON ADR NEW 25243Q205 56,200 342,246 SH   SOLE   342,246 0 0
EQUITY COMWLTH COM SH BEN INT 294628102 395,617 14,230,816 SH   SOLE   14,230,816 0 0
ESSENTIAL UTILS INC COM 29670G102 129,126 2,885,505 SH   SOLE   2,885,505 0 0
ESSENTIAL UTILS INC UNIT 04/30/2022 29670G201 115,256 2,015,287 SH   SOLE   2,015,287 0 0
EVEREST RE GROUP LTD COM G3223R108 214,787 866,739 SH   SOLE   866,739 0 0
GLOBUS MED INC CL A 379577208 29,992 486,325 SH   SOLE   486,325 0 0
HARTFORD FINL SVCS GROUP INC COM 416515104 58,883 881,617 SH   SOLE   881,617 0 0
HEALTHCARE RLTY TR COM 421946104 97,491 3,215,416 SH   SOLE   3,215,416 0 0
ICU MED INC COM 44930G107 212,651 1,035,101 SH   SOLE   1,035,101 0 0
IDACORP INC COM 451107106 15,237 152,414 SH   SOLE   152,414 0 0
ISHARES TR RUS MDCP VAL ETF 464287473 3,112 28,451 SH   SOLE   28,451 0 0
JOHNSON & JOHNSON COM 478160104 23,143 140,818 SH   SOLE   140,818 0 0
KIMBERLY-CLARK CORP COM 494368103 119,661 860,564 SH   SOLE   860,564 0 0
MERIT MED SYS INC COM 589889104 55,803 931,913 SH   SOLE   931,913 0 0
METLIFE INC COM 59156R108 70,230 1,155,284 SH   SOLE   1,155,284 0 0
MIDDLESEX WTR CO COM 596680108 12,791 161,868 SH   SOLE   161,868 0 0
MISSION PRODUCE INC COM 60510V108 24,263 1,276,346 SH   SOLE   1,276,346 0 0
MTS SYS CORP COM 553777103 137,920 2,369,751 SH   SOLE   2,369,751 0 0
MUELLER WTR PRODS INC COM SER A 624758108 122,598 8,826,343 SH   SOLE   8,826,343 0 0
NORTHERN TR CORP COM 665859104 298,291 2,837,892 SH   SOLE   2,837,892 0 0
NORTHROP GRUMMAN CORP COM 666807102 178,300 550,922 SH   SOLE   550,922 0 0
RAYTHEON TECHNOLOGIES CORP COM 75513E101 281 3,637 SH   SOLE   3,637 0 0
REINSURANCE GRP OF AMERICA I COM NEW 759351604 60,228 477,808 SH   SOLE   477,808 0 0
SANDERSON FARMS INC COM 800013104 271,469 1,742,646 SH   SOLE   1,742,646 0 0
SCHWAB CHARLES CORP COM 808513105 847 13,004 SH   SOLE   13,004 0 0
SJW GROUP COM 784305104 203,976 3,238,227 SH   SOLE   3,238,227 0 0
SMITH & NEPHEW PLC SPDN ADR NEW 83175M205 296,214 7,815,674 SH   SOLE   7,815,674 0 0
TOWNEBANK PORTSMOUTH VA COM 89214P109 18,343 603,389 SH   SOLE   603,389 0 0
TRAVELERS COMPANIES INC COM 89417E109 365,444 2,429,813 SH   SOLE   2,429,813 0 0
UMB FINL CORP COM 902788108 41,316 447,485 SH   SOLE   447,485 0 0
UNIVERSAL HLTH SVCS INC CL B 913903100 27,314 204,767 SH   SOLE   204,767 0 0
VALLEY NATL BANCORP COM 919794107 73,649 5,360,208 SH   SOLE   5,360,208 0 0
VARIAN MED SYS INC COM 92220P105 206,219 1,168,179 SH   SOLE   1,168,179 0 0
WERNER ENTERPRISES INC COM 950755108 15,835 335,705 SH   SOLE   335,705 0 0
WHITE MTNS INS GROUP LTD COM G9618E107 36,260 32,523 SH   SOLE   32,523 0 0