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 42,511 243,211 SH   SOLE   243,211 0 0
ABB LTD SPONSORED ADR 000375204 12,576 449,783 SH   SOLE   449,783 0 0
ALLEGHANY CORP DEL COM 017175100 202 335 SH   SOLE   335 0 0
ALPHABET INC CAP STK CL A 02079K305 3,039 1,734 SH   SOLE   1,734 0 0
AMPHENOL CORP NEW CL A 032095101 106,997 818,208 SH   SOLE   818,208 0 0
APTARGROUP INC COM 038336103 14,501 105,934 SH   SOLE   105,934 0 0
AVALONBAY CMNTYS INC COM 053484101 65,021 405,289 SH   SOLE   405,289 0 0
AVISTA CORP COM 05379B107 53,291 1,327,638 SH   SOLE   1,327,638 0 0
BAXTER INTL INC COM 071813109 67,468 840,832 SH   SOLE   840,832 0 0
BECTON DICKINSON & CO COM 075887109 15,335 61,285 SH   SOLE   61,285 0 0
BERKLEY W R CORP COM 084423102 24,139 363,425 SH   SOLE   363,425 0 0
BOSTON PROPERTIES INC COM 101121101 48,914 517,443 SH   SOLE   517,443 0 0
CAL MAINE FOODS INC COM NEW 128030202 211,437 5,632,313 SH   SOLE   5,632,313 0 0
CALAVO GROWERS INC COM 128246105 25,659 369,568 SH   SOLE   369,568 0 0
CALIFORNIA WTR SVC GROUP COM 130788102 55,546 1,028,054 SH   SOLE   1,028,054 0 0
CBRE GROUP INC CL A 12504L109 15,668 249,809 SH   SOLE   249,809 0 0
CHUBB LIMITED COM H1467J104 200,954 1,305,574 SH   SOLE   1,305,574 0 0
DENTSPLY SIRONA INC COM 24906P109 374,929 7,160,599 SH   SOLE   7,160,599 0 0
DIAGEO PLC SPON ADR NEW 25243Q205 148,956 937,949 SH   SOLE   937,949 0 0
ENVISTA HOLDINGS CORPORATION COM 29415F104 220 6,509 SH   SOLE   6,509 0 0
EQUITY COMWLTH COM SH BEN INT 294628102 375,948 13,781,085 SH   SOLE   13,781,085 0 0
ESSENTIAL UTILS INC COM 29670G102 95,560 2,020,728 SH   SOLE   2,020,728 0 0
ESSENTIAL UTILS INC UNIT 04/30/2022 29670G201 121,640 1,961,308 SH   SOLE   1,961,308 0 0
EVEREST RE GROUP LTD COM G3223R108 203,000 867,189 SH   SOLE   867,189 0 0
GLOBUS MED INC CL A 379577208 11,030 169,125 SH   SOLE   169,125 0 0
HEALTHCARE RLTY TR COM 421946104 90,951 3,072,654 SH   SOLE   3,072,654 0 0
ICU MED INC COM 44930G107 193,359 901,483 SH   SOLE   901,483 0 0
IDACORP INC COM 451107106 40,554 422,302 SH   SOLE   422,302 0 0
ISHARES TR RUS MDCP VAL ETF 464287473 7,451 76,843 SH   SOLE   76,843 0 0
JOHNSON & JOHNSON COM 478160104 43,447 276,064 SH   SOLE   276,064 0 0
KIMBERLY-CLARK CORP COM 494368103 12,664 93,925 SH   SOLE   93,925 0 0
LINDSAY CORP COM 535555106 26,874 209,203 SH   SOLE   209,203 0 0
MARTIN MARIETTA MATLS INC COM 573284106 16,064 56,568 SH   SOLE   56,568 0 0
MERIT MED SYS INC COM 589889104 101,617 1,830,615 SH   SOLE   1,830,615 0 0
METLIFE INC COM 59156R108 98,988 2,108,371 SH   SOLE   2,108,371 0 0
MIDDLESEX WTR CO COM 596680108 13,023 179,706 SH   SOLE   179,706 0 0
MISSION PRODUCE INC COM 60510V108 20,716 1,376,478 SH   SOLE   1,376,478 0 0
MTS SYS CORP COM 553777103 78,393 1,347,889 SH   SOLE   1,347,889 0 0
MUELLER WTR PRODS INC COM SER A 624758108 124,768 10,078,185 SH   SOLE   10,078,185 0 0
NORTHERN TR CORP COM 665859104 256,604 2,755,035 SH   SOLE   2,755,035 0 0
NORTHROP GRUMMAN CORP COM 666807102 14,897 48,889 SH   SOLE   48,889 0 0
ON SEMICONDUCTOR CORP COM 682189105 1,373 41,959 SH   SOLE   41,959 0 0
RAYMOND JAMES FINL INC COM 754730109 206 2,158 SH   SOLE   2,158 0 0
RAYTHEON TECHNOLOGIES CORP COM 75513E101 395 5,517 SH   SOLE   5,517 0 0
REINSURANCE GRP OF AMERICA I COM NEW 759351604 39,775 343,188 SH   SOLE   343,188 0 0
SANDERSON FARMS INC COM 800013104 265,673 2,009,627 SH   SOLE   2,009,627 0 0
SCHWAB CHARLES CORP COM 808513105 94,037 1,772,955 SH   SOLE   1,772,955 0 0
SJW GROUP COM 784305104 174,641 2,517,895 SH   SOLE   2,517,895 0 0
SMITH & NEPHEW PLC SPDN ADR NEW 83175M205 307,191 7,284,583 SH   SOLE   7,284,583 0 0
TOWNEBANK PORTSMOUTH VA COM 89214P109 13,666 582,036 SH   SOLE   582,036 0 0
TRAVELERS COMPANIES INC COM 89417E109 466,354 3,322,320 SH   SOLE   3,322,320 0 0
UMB FINL CORP COM 902788108 38,238 554,249 SH   SOLE   554,249 0 0
UNIVERSAL HLTH SVCS INC CL B 913903100 15,444 112,319 SH   SOLE   112,319 0 0
VALLEY NATL BANCORP COM 919794107 64,940 6,653,646 SH   SOLE   6,653,646 0 0
VARIAN MED SYS INC COM 92220P105 141,614 809,175 SH   SOLE   809,175 0 0
WERNER ENTERPRISES INC COM 950755108 25,700 655,269 SH   SOLE   655,269 0 0
WHITE MTNS INS GROUP LTD COM G9618E107 100,833 100,766 SH   SOLE   100,766 0 0