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

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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 114,598 769,733 SH   SOLE   769,733 0 0
AEROJET ROCKETDYNE HLDGS INC COM 007800105 92,534 2,351,552 SH   SOLE   2,351,552 0 0
ALLEGHANY CORP MD COM 017175100 199,099 235,064 SH   SOLE   235,064 0 0
ALPHABET INC CAP STK CL A 02079K305 1,393 501 SH   SOLE   501 0 0
AMAZON COM INC COM 023135106 1,027 315 SH   SOLE   315 0 0
AMPHENOL CORP NEW CL A 032095101 31,253 414,777 SH   SOLE   414,777 0 0
APTARGROUP INC COM 038336103 45,333 385,816 SH   SOLE   385,816 0 0
AVISTA CORP COM 05379B107 138,635 3,070,548 SH   SOLE   3,070,548 0 0
BAXTER INTL INC COM 071813109 378,153 4,876,877 SH   SOLE   4,876,877 0 0
BECTON DICKINSON & CO 6% DP CONV PFD B 075887406 76,884 1,455,584 SH   SOLE   1,455,584 0 0
BERKLEY W R CORP COM 084423102 230 3,459 SH   SOLE   3,459 0 0
BIOVENTUS INC COM CL A 09075A108 19,065 1,352,101 SH   SOLE   1,352,101 0 0
BOSTON PROPERTIES INC COM 101121101 225 1,746 SH   SOLE   1,746 0 0
CAL MAINE FOODS INC COM NEW 128030202 196,837 3,564,595 SH   SOLE   3,564,595 0 0
CALAVO GROWERS INC COM 128246105 40,564 1,112,858 SH   SOLE   1,112,858 0 0
CALIFORNIA WTR SVC GROUP COM 130788102 32,799 553,287 SH   SOLE   553,287 0 0
CERNER CORP COM 156782104 15,452 165,159 SH   SOLE   165,159 0 0
CLOROX CO DEL COM 189054109 158,823 1,142,363 SH   SOLE   1,142,363 0 0
COUSINS PPTYS INC COM NEW 222795502 91,714 2,276,343 SH   SOLE   2,276,343 0 0
DENTSPLY SIRONA INC COM 24906P109 97,632 1,983,587 SH   SOLE   1,983,587 0 0
ECOLAB INC COM 278865100 235 1,331 SH   SOLE   1,331 0 0
EQUITY COMWLTH COM SH BEN INT 294628102 385,516 13,665,921 SH   SOLE   13,665,921 0 0
ESSENTIAL UTILS INC COM 29670G102 22,677 443,520 SH   SOLE   443,520 0 0
ESSENTIAL UTILS INC UNIT 04/30/2022 29670G201 122,808 2,006,963 SH   SOLE   2,006,963 0 0
EVEREST RE GROUP LTD COM G3223R108 200,384 664,887 SH   SOLE   664,887 0 0
GCP APPLIED TECHNOLOGIES INC COM 36164Y101 204,361 6,504,185 SH   SOLE   6,504,185 0 0
GRACO INC COM 384109104 15,127 216,961 SH   SOLE   216,961 0 0
HARTFORD FINL SVCS GROUP INC COM 416515104 63,325 881,839 SH   SOLE   881,839 0 0
HEALTHCARE RLTY TR COM 421946104 204,820 7,453,407 SH   SOLE   7,453,407 0 0
ICU MED INC COM 44930G107 116,304 522,386 SH   SOLE   522,386 0 0
IDACORP INC COM 451107106 210 1,821 SH   SOLE   1,821 0 0
INDEPENDENT BK CORP MASS COM 453836108 15,252 186,708 SH   SOLE   186,708 0 0
INTERSECT ENT INC COM 46071F103 16,057 573,259 SH   SOLE   573,259 0 0
ISHARES TR RUS MDCP VAL ETF 464287473 10,419 86,651 SH   SOLE   86,651 0 0
KIMBERLY-CLARK CORP COM 494368103 348,436 2,829,135 SH   SOLE   2,829,135 0 0
LINDSAY CORP COM 535555106 16,554 105,435 SH   SOLE   105,435 0 0
METLIFE INC COM 59156R108 387 5,512 SH   SOLE   5,512 0 0
MISSION PRODUCE INC COM 60510V108 29,360 2,320,980 SH   SOLE   2,320,980 0 0
MUELLER WTR PRODS INC COM SER A 624758108 96,705 7,484,902 SH   SOLE   7,484,902 0 0
NORTHERN TR CORP COM 665859104 216,775 1,861,530 SH   SOLE   1,861,530 0 0
NORTHROP GRUMMAN CORP COM 666807102 558 1,248 SH   SOLE   1,248 0 0
NUVASIVE INC COM 670704105 22,099 389,751 SH   SOLE   389,751 0 0
REINSURANCE GRP OF AMERICA I COM NEW 759351604 59,675 545,178 SH   SOLE   545,178 0 0
SANDERSON FARMS INC COM 800013104 99,597 531,215 SH   SOLE   531,215 0 0
SJW GROUP COM 784305104 206,093 2,961,953 SH   SOLE   2,961,953 0 0
SMITH & NEPHEW PLC SPDN ADR NEW 83175M205 327,170 10,256,123 SH   SOLE   10,256,123 0 0
TOWNEBANK PORTSMOUTH VA COM 89214P109 29,269 977,584 SH   SOLE   977,584 0 0
TRAVELERS COMPANIES INC COM 89417E109 318,004 1,740,296 SH   SOLE   1,740,296 0 0
UMB FINL CORP COM 902788108 42,963 442,190 SH   SOLE   442,190 0 0
UNIVERSAL HLTH SVCS INC CL B 913903100 237,314 1,637,210 SH   SOLE   1,637,210 0 0
US ECOLOGY INC COM 91734M103 45,788 956,309 SH   SOLE   956,309 0 0
VALLEY NATL BANCORP COM 919794107 44,250 3,398,580 SH   SOLE   3,398,580 0 0
WERNER ENTERPRISES INC COM 950755108 14,761 360,030 SH   SOLE   360,030 0 0
WHITE MTNS INS GROUP LTD COM G9618E107 409 360 SH   SOLE   360 0 0
ZIMMER BIOMET HOLDINGS INC COM 98956P102 322,961 2,525,103 SH   SOLE   2,525,103 0 0