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 64,741 373,493 SH   SOLE   373,493 0 0
ABB LTD SPONSORED ADR 000375204 41,838 2,088,781 SH   SOLE   2,088,781 0 0
ACCENTURE PLC IRELAND SHS CLASS A G1151C101 416 2,249 SH   SOLE   2,249 0 0
ALPHABET INC CAP STK CL A 02079K305 37,020 34,189 SH   SOLE   34,189 0 0
AMPHENOL CORP NEW CL A 032095101 101,319 1,056,070 SH   SOLE   1,056,070 0 0
APPLIED MATLS INC COM 038222105 10,716 238,602 SH   SOLE   238,602 0 0
AQUA AMERICA INC COM 03836W103 47,571 1,149,885 SH   SOLE   1,149,885 0 0
AQUA AMERICA INC UNIT 04/30/2022 03836W202 64,538 1,130,923 SH   SOLE   1,130,923 0 0
BAXTER INTL INC COM 071813109 10,104 123,365 SH   SOLE   123,365 0 0
BECTON DICKINSON & CO COM 075887109 10,613 42,114 SH   SOLE   42,114 0 0
BECTON DICKINSON & CO PFD SHS CONV A 075887208 18,665 300,145 SH   SOLE   300,145 0 0
BROWN FORMAN CORP CL B 115637209 9,835 177,426 SH   SOLE   177,426 0 0
CAL MAINE FOODS INC COM NEW 128030202 74,902 1,795,348 SH   SOLE   1,795,348 0 0
CALIFORNIA WTR SVC GROUP COM 130788102 9,306 183,808 SH   SOLE   183,808 0 0
CERNER CORP COM 156782104 10,023 136,735 SH   SOLE   136,735 0 0
CHUBB LIMITED COM H1467J104 17,409 118,196 SH   SOLE   118,196 0 0
CONNECTICUT WTR SVC INC COM 207797101 37,888 543,425 SH   SOLE   543,425 0 0
CULLEN FROST BANKERS INC COM 229899109 9,583 102,316 SH   SOLE   102,316 0 0
DENTSPLY SIRONA INC COM 24906P109 113,860 1,951,002 SH   SOLE   1,951,002 0 0
DIAGEO P L C SPON ADR NEW 25243Q205 420 2,437 SH   SOLE   2,437 0 0
EQUITY COMWLTH COM SH BEN INT 294628102 139,212 4,280,814 SH   SOLE   4,280,814 0 0
EVEREST RE GROUP LTD COM G3223R108 9,705 39,263 SH   SOLE   39,263 0 0
GCP APPLIED TECHNOLOGIES INC COM 36164Y101 9,179 405,437 SH   SOLE   405,437 0 0
GLOBUS MED INC CL A 379577208 55,669 1,316,057 SH   SOLE   1,316,057 0 0
GRACO INC COM 384109104 8,848 176,319 SH   SOLE   176,319 0 0
HEALTHCARE RLTY TR COM 421946104 9,235 294,854 SH   SOLE   294,854 0 0
HUNT J B TRANS SVCS INC COM 445658107 18,944 207,240 SH   SOLE   207,240 0 0
ICU MED INC COM 44930G107 20,609 81,810 SH   SOLE   81,810 0 0
ISHARES TR RUS MDCP VAL ETF 464287473 788 8,845 SH   SOLE   8,845 0 0
JOHNSON & JOHNSON COM 478160104 31,298 224,711 SH   SOLE   224,711 0 0
LINDSAY CORP COM 535555106 78,987 960,790 SH   SOLE   960,790 0 0
LITTELFUSE INC COM 537008104 9,479 53,582 SH   SOLE   53,582 0 0
MARKEL CORP COM 570535104 417 383 SH   SOLE   383 0 0
MEDTRONIC PLC SHS G5960L103 423 4,343 SH   SOLE   4,343 0 0
METLIFE INC COM 59156R108 80,859 1,627,934 SH   SOLE   1,627,934 0 0
MKS INSTRUMENT INC COM 55306N104 10,126 130,006 SH   SOLE   130,006 0 0
NORTHERN TR CORP COM 665859104 87,683 974,254 SH   SOLE   974,254 0 0
REINSURANCE GRP OF AMERICA I COM NEW 759351604 160,440 1,028,265 SH   SOLE   1,028,265 0 0
SANDERSON FARMS INC COM 800013104 102,408 749,913 SH   SOLE   749,913 0 0
SIMPSON MANUFACTURING CO INC COM 829073105 9,407 141,547 SH   SOLE   141,547 0 0
SJW GROUP COM 784305104 45,214 744,016 SH   SOLE   744,016 0 0
SMITH & NEPHEW PLC SPDN ADR NEW 83175M205 66,695 1,531,811 SH   SOLE   1,531,811 0 0
SMITH A O CORP COM 831865209 9,591 203,371 SH   SOLE   203,371 0 0
STRYKER CORP COM 863667101 9,756 47,457 SH   SOLE   47,457 0 0
SYSCO CORP COM 871829107 9,417 133,164 SH   SOLE   133,164 0 0
TE CONNECTIVITY LTD REG SHS H84989104 9,676 101,020 SH   SOLE   101,020 0 0
THE CHARLES SCHWAB CORPORATI COM 808513105 73,456 1,827,717 SH   SOLE   1,827,717 0 0
TOWNEBANK PORTSMOUTH VA COM 89214P109 9,290 340,558 SH   SOLE   340,558 0 0
TRAVELERS COMPANIES INC COM 89417E109 112,724 753,907 SH   SOLE   753,907 0 0
UMB FINL CORP COM 902788108 54,648 830,260 SH   SOLE   830,260 0 0
UNIVERSAL HLTH SVCS INC CL B 913903100 37,623 288,539 SH   SOLE   288,539 0 0
UNUM GROUP COM 91529Y106 83,323 2,483,537 SH   SOLE   2,483,537 0 0
US BANCORP DEL COM NEW 902973304 414 7,909 SH   SOLE   7,909 0 0
VALLEY NATL BANCORP COM 919794107 79,487 7,366,774 SH   SOLE   7,366,774 0 0
WABCO HLDGS INC COM 92927K102 150,867 1,137,762 SH   SOLE   1,137,762 0 0
WATERS CORP COM 941848103 9,356 43,468 SH   SOLE   43,468 0 0
WERNER ENTERPRISES INC COM 950755108 67,066 2,157,847 SH   SOLE   2,157,847 0 0