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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M CO COM 88579Y101   23,649,193 222,958 SH   SOLE   101,660 0 121,298
AAR CORP COM 000361105   12,018,663 200,746 SH   SOLE   200,746 0 0
ABBOTT LABS COM 002824100   142,037,920 1,249,673 SH   SOLE   914,369 0 335,304
ABBVIE INC COM 00287Y109   7,945,387 43,632 SH   SOLE   23,360 0 20,272
ACCENTURE PLC IRELAND SHS CLASS A G1151C101   232,575 671 SH   SOLE   390 0 281
ADOBE INC COM 00724F101   950,162 1,883 SH   SOLE   193 0 1,690
ADVANCED MICRO DEVICES INC COM 007903107   272,179 1,508 SH   SOLE   1,340 0 168
ALERUS FINL CORP COM 01446U103   2,713,338 124,294 SH   SOLE   124,294 0 0
ALLETE INC COM NEW 018522300   646,378 10,838 SH   SOLE   8,530 0 2,308
ALLIANT ENERGY CORP COM 018802108   167,396,947 3,321,368 SH   SOLE   2,884,957 0 436,411
ALPHABET INC CAP STK CL C 02079K107   488,033,953 3,205,267 SH   SOLE   2,610,531 0 594,736
ALPHABET INC CAP STK CL A 02079K305   4,897,226 32,447 SH   SOLE   20,041 0 12,406
ALTAIR ENGR INC COM CL A 021369103   11,956,586 138,788 SH   SOLE   138,788 0 0
ALTRIA GROUP INC COM 02209S103   219,959 5,043 SH   SOLE   2,543 0 2,500
AMAZON COM INC COM 023135106   438,354,967 2,430,175 SH   SOLE   2,103,842 0 326,333
AMCOR PLC ORD G0250X107   1,468,201 154,385 SH   SOLE   140,230 0 14,155
AMERICAN EXPRESS CO COM 025816109   53,420,420 234,619 SH   SOLE   136,830 0 97,789
AMERICAN TOWER CORP NEW COM 03027X100   399,132 2,020 SH   SOLE   700 0 1,320
AMERICAN WTR WKS CO INC NEW COM 030420103   611,050 5,000 SH   SOLE   5,000 0 0
AMERIPRISE FINL INC COM 03076C106   3,009,891 6,865 SH   SOLE   5,980 0 885
AMGEN INC COM 031162100   2,071,271 7,285 SH   SOLE   4,614 0 2,671
APPLE INC COM 037833100   163,857,508 955,549 SH   SOLE   844,191 0 111,358
APPLIED MATLS INC COM 038222105   1,541,982 7,477 SH   SOLE   6,000 0 1,477
ARCADIUM LITHIUM PLC COM SHS G0508H110   60,017 13,925 SH   SOLE   13,925 0 0
ASSOCIATED BANC CORP COM 045487105   10,206,818 474,515 SH   SOLE   474,515 0 0
AT&T INC COM 00206R102   323,558 18,384 SH   SOLE   8,004 0 10,380
AUTODESK INC COM 052769106   208,336 800 SH   SOLE   800 0 0
AUTOMATIC DATA PROCESSING IN COM 053015103   24,022,740 96,191 SH   SOLE   69,671 0 26,520
AXOGEN INC COM 05463X106   137,190 17,000 SH   SOLE   17,000 0 0
AZEK CO INC CL A 05478C105   14,074,657 280,260 SH   SOLE   280,260 0 0
BADGER METER INC COM 056525108   21,610,126 133,552 SH   SOLE   73,632 0 59,920
BANK AMERICA CORP COM 060505104   911,331 24,033 SH   SOLE   13,600 0 10,433
BANK HAWAII CORP COM 062540109   249,560 4,000 SH   SOLE   4,000 0 0
BANK MONTREAL QUE COM 063671101   879,120 9,000 SH   SOLE   9,000 0 0
BAXTER INTL INC COM 071813109   3,433,048 80,324 SH   SOLE   50,149 0 30,175
BECTON DICKINSON & CO COM 075887109   1,917,490 7,749 SH   SOLE   6,457 0 1,292
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702   11,128,641 26,464 SH   SOLE   10,613 0 15,851
BERKSHIRE HATHAWAY INC DEL CL A 084670108   3,806,640 6 SH   SOLE   6 0 0
BEST BUY INC COM 086516101   56,827,923 692,770 SH   SOLE   662,295 0 30,475
BIO-TECHNE CORP COM 09073M104   208,309,125 2,959,357 SH   SOLE   2,426,577 0 532,780
BLACK HILLS CORP COM 092113109   7,678,398 140,630 SH   SOLE   138,230 0 2,400
BOEING CO COM 097023105   396,208 2,053 SH   SOLE   1,470 0 583
BOSTON SCIENTIFIC CORP COM 101137107   717,022 10,469 SH   SOLE   10,469 0 0
BP PLC SPONSORED ADR 055622104   559,548 14,850 SH   SOLE   12,350 0 2,500
BRADY CORP CL A 104674106   414,960 7,000 SH   SOLE   7,000 0 0
BRISTOL-MYERS SQUIBB CO COM 110122108   2,521,532 46,497 SH   SOLE   31,202 0 15,295
BROADCOM INC COM 11135F101   362,167 273 SH   SOLE   273 0 0
C H ROBINSON WORLDWIDE INC COM NEW 12541W209   52,709,661 692,273 SH   SOLE   570,432 0 121,841
CANADIAN IMPERIAL BK COMM TO COM 136069101   516,127 10,176 SH   SOLE   10,176 0 0
CARDINAL HEALTH INC COM 14149Y108   245,844 2,197 SH   SOLE   2,197 0 0
CARRIER GLOBAL CORPORATION COM 14448C104   236,880 4,075 SH   SOLE   3,075 0 1,000
CASEYS GEN STORES INC COM 147528103   43,874,130 137,774 SH   SOLE   126,881 0 10,893
CATERPILLAR INC COM 149123101   6,388,601 17,435 SH   SOLE   12,997 0 4,438
CHEVRON CORP NEW COM 166764100   3,841,758 24,355 SH   SOLE   15,040 0 9,315
CHIPOTLE MEXICAN GRILL INC COM 169656105   290,677 100 SH   SOLE   100 0 0
CHUBB LIMITED COM H1467J104   782,313 3,019 SH   SOLE   2,034 0 985
CINTAS CORP COM 172908105   2,592,851 3,774 SH   SOLE   1,499 0 2,275
CISCO SYS INC COM 17275R102   950,436 19,043 SH   SOLE   8,335 0 10,708
CLEARFIELD INC COM 18482P103   7,992,679 259,166 SH   SOLE   259,166 0 0
CLEVELAND-CLIFFS INC NEW COM 185899101   591,240 26,000 SH   SOLE   26,000 0 0
COCA COLA CO COM 191216100   1,505,334 24,605 SH   SOLE   14,655 0 9,950
COLGATE PALMOLIVE CO COM 194162103   265,738 2,951 SH   SOLE   2,951 0 0
COMCAST CORP NEW CL A 20030N101   295,777 6,823 SH   SOLE   4,885 0 1,938
CONOCOPHILLIPS COM 20825C104   3,207,456 25,200 SH   SOLE   20,700 0 4,500
CORNING INC COM 219350105   4,135,162 125,460 SH   SOLE   92,745 0 32,715
COSTCO WHSL CORP NEW COM 22160K105   3,354,713 4,579 SH   SOLE   2,037 0 2,542
CULLEN FROST BANKERS INC COM 229899109   11,057,413 98,227 SH   SOLE   98,127 0 100
CVRX INC COM 126638105   1,819,234 99,903 SH   SOLE   99,903 0 0
DAKTRONICS INC COM 234264109   189,240 19,000 SH   SOLE   19,000 0 0
DANAHER CORPORATION COM 235851102   223,749 896 SH   SOLE   615 0 281
DEERE & CO COM 244199105   352,004 857 SH   SOLE   207 0 650
DIGI INTL INC COM 253798102   287,370 9,000 SH   SOLE   4,000 0 5,000
DISNEY WALT CO COM 254687106   46,508,794 380,098 SH   SOLE   254,539 0 125,559
DONALDSON INC COM 257651109   119,564,961 1,601,031 SH   SOLE   1,235,423 0 365,608
ECOLAB INC COM 278865100   228,952,179 991,564 SH   SOLE   753,301 0 238,263
ELI LILLY & CO COM 532457108   283,540,747 364,467 SH   SOLE   273,340 0 91,127
EMERSON ELEC CO COM 291011104   8,084,918 71,283 SH   SOLE   53,449 0 17,834
ENTEGRIS INC COM 29362U104   133,160,104 947,489 SH   SOLE   810,286 0 137,203
EXACT SCIENCES CORP COM 30063P105   1,650,879 23,905 SH   SOLE   23,905 0 0
EXXON MOBIL CORP COM 30231G102   3,571,009 30,721 SH   SOLE   16,828 0 13,893
FASTENAL CO COM 311900104   207,668,309 2,692,096 SH   SOLE   2,139,384 0 552,712
FISERV INC COM 337738108   305,178,847 1,909,516 SH   SOLE   1,564,282 0 345,234
FORD MTR CO DEL COM 345370860   207,168 15,600 SH   SOLE   15,600 0 0
FULLER H B CO COM 359694106   171,363,574 2,149,029 SH   SOLE   1,839,200 0 309,829
GENERAC HLDGS INC COM 368736104   25,257,895 200,237 SH   SOLE   156,651 0 43,586
GENERAL ELECTRIC CO COM NEW 369604301   1,197,290 6,821 SH   SOLE   6,821 0 0
GENERAL MLS INC COM 370334104   9,673,353 138,250 SH   SOLE   81,754 0 56,496
GENTHERM INC COM 37253A103   11,017,472 191,342 SH   SOLE   171,919 0 19,423
GENUINE PARTS CO COM 372460105   263,381 1,700 SH   SOLE   1,700 0 0
GLACIER BANCORP INC NEW COM 37637Q105   8,663,422 215,080 SH   SOLE   215,080 0 0
GRACO INC COM 384109104   354,415,184 3,792,159 SH   SOLE   3,063,151 0 729,008
HARLEY DAVIDSON INC COM 412822108   528,161 12,075 SH   SOLE   12,075 0 0
HAWKINS INC COM 420261109   1,022,976 13,320 SH   SOLE   320 0 13,000
HEALTHPEAK PROPERTIES INC COM 42250P103   329,831 17,591 SH   SOLE   0 0 17,591
HERSHEY CO COM 427866108   22,092,088 113,584 SH   SOLE   93,029 0 20,555
HOME DEPOT INC COM 437076102   64,873,886 169,118 SH   SOLE   96,050 0 73,068
HONEYWELL INTL INC COM 438516106   136,454,618 664,822 SH   SOLE   479,712 0 185,110
HORMEL FOODS CORP COM 440452100   193,586,467 5,548,480 SH   SOLE   4,652,451 0 896,029
HUB GROUP INC CL A 443320106   12,822,034 296,669 SH   SOLE   296,669 0 0
HUNTINGTON BANCSHARES INC COM 446150104   503,986 36,128 SH   SOLE   34,603 0 1,525
IDEX CORP COM 45167R104   976,080 4,000 SH   SOLE   4,000 0 0
IDEXX LABS INC COM 45168D104   1,394,099 2,582 SH   SOLE   515 0 2,067
ILLINOIS TOOL WKS INC COM 452308109   463,943 1,729 SH   SOLE   1,480 0 249
INSPIRE MED SYS INC COM 457730109   12,712,991 59,188 SH   SOLE   49,877 0 9,311
INTEL CORP COM 458140100   1,960,618 44,388 SH   SOLE   25,655 0 18,733
INTERNATIONAL BUSINESS MACHS COM 459200101   213,302 1,117 SH   SOLE   1,117 0 0
INVESCO QQQ TR UNIT SER 1 46090E103   1,612,200 3,631 SH   SOLE   554 0 3,077
ISHARES TR CORE S&P SCP ETF 464287804   215,072 1,946 SH   SOLE   220 0 1,726
ISHARES TR MSCI EAFE ETF 464287465   222,969 2,792 SH   SOLE   2,100 0 692
ISHARES TR SELECT DIVID ETF 464287168   818,536 6,645 SH   SOLE   6,645 0 0
ISHARES TR GLOBAL TECH ETF 464287291   235,652 3,150 SH   SOLE   3,150 0 0
ISHARES TR RUS MID CAP ETF 464287499   200,555 2,385 SH   SOLE   1,985 0 400
ISHARES TR RUS 2000 GRW ETF 464287648   252,386 932 SH   SOLE   932 0 0
ISHARES TR CORE S&P500 ETF 464287200   3,277,929 6,235 SH   SOLE   6,037 0 198
JAMF HLDG CORP COM 47074L105   8,184,137 446,002 SH   SOLE   431,963 0 14,039
JOHN BEAN TECHNOLOGIES CORP COM 477839104   11,763,099 112,147 SH   SOLE   112,147 0 0
JOHNSON & JOHNSON COM 478160104   192,440,338 1,216,514 SH   SOLE   940,217 0 276,297
JPMORGAN CHASE & CO COM 46625H100   343,824,164 1,716,546 SH   SOLE   1,561,101 0 155,445
KIMBERLY-CLARK CORP COM 494368103   1,631,621 12,614 SH   SOLE   9,936 0 2,678
KNIFE RIVER CORP COMMON STOCK 498894104   8,860,828 109,285 SH   SOLE   109,160 0 125
LINDE PLC SHS G54950103   239,125 515 SH   SOLE   0 0 515
LITTELFUSE INC COM 537008104   207,875,955 857,751 SH   SOLE   730,402 0 127,349
LOCKHEED MARTIN CORP COM 539830109   417,571 918 SH   SOLE   298 0 620
LOWES COS INC COM 548661107   1,754,326 6,887 SH   SOLE   6,519 0 368
MARATHON PETE CORP COM 56585A102   201,500 1,000 SH   SOLE   0 0 1,000
MARCUS CORP DEL COM 566330106   2,422,147 169,856 SH   SOLE   169,856 0 0
MARSH & MCLENNAN COS INC COM 571748102   448,624 2,178 SH   SOLE   1,474 0 704
MASTERCARD INCORPORATED CL A 57636Q104   613,520 1,274 SH   SOLE   130 0 1,144
MCDONALDS CORP COM 580135101   3,803,994 13,492 SH   SOLE   11,945 0 1,547
MEDPACE HLDGS INC COM 58506Q109   11,635,074 28,789 SH   SOLE   28,789 0 0
MEDTRONIC PLC SHS G5960L103   260,280,348 2,986,579 SH   SOLE   2,525,780 0 460,799
MERCK & CO INC COM 58933Y105   7,523,393 57,017 SH   SOLE   34,785 0 22,232
META PLATFORMS INC CL A 30303M102   8,278,653 17,049 SH   SOLE   10,349 0 6,700
MGP INGREDIENTS INC NEW COM 55303J106   9,068,455 105,288 SH   SOLE   105,288 0 0
MICROSOFT CORP COM 594918104   827,473,836 1,966,804 SH   SOLE   1,706,291 0 260,513
MONDELEZ INTL INC CL A 609207105   256,970 3,671 SH   SOLE   3,030 0 641
MOSAIC CO NEW COM 61945C103   1,265,940 39,000 SH   SOLE   39,000 0 0
MOTOROLA SOLUTIONS INC COM NEW 620076307   177,773,629 500,799 SH   SOLE   421,490 0 79,309
MSA SAFETY INC COM 553498106   292,321 1,510 SH   SOLE   1,040 0 470
MURPHY OIL CORP COM 626717102   228,500 5,000 SH   SOLE   5,000 0 0
NEOGEN CORP COM 640491106   5,436,099 344,493 SH   SOLE   326,299 0 18,194
NEWMONT CORP COM 651639106   286,720 8,000 SH   SOLE   8,000 0 0
NEXTERA ENERGY INC COM 65339F101   256,535 4,014 SH   SOLE   2,020 0 1,994
NIKE INC CL B 654106103   442,398 4,707 SH   SOLE   4,707 0 0
NORFOLK SOUTHN CORP COM 655844108   929,511 3,647 SH   SOLE   922 0 2,725
NORTHERN TR CORP COM 665859104   8,364,793 94,071 SH   SOLE   80,688 0 13,383
NORTHWESTERN ENERGY GROUP IN COM NEW 668074305   6,991,670 137,280 SH   SOLE   134,580 0 2,700
NUVEEN MINN QUALITY MUN INM SHS 670734102   350,803 31,200 SH   SOLE   31,200 0 0
NVE CORP COM NEW 629445206   658,314 7,300 SH   SOLE   7,300 0 0
NVENT ELECTRIC PLC SHS G6700G107   198,351,059 2,630,651 SH   SOLE   2,232,678 0 397,973
NVIDIA CORPORATION COM 67066G104   592,606,423 655,857 SH   SOLE   533,759 0 122,098
OLD NATL BANCORP IND COM 680033107   25,650,432 1,473,316 SH   SOLE   1,365,528 0 107,788
ORACLE CORP COM 68389X105   3,270,131 26,034 SH   SOLE   6,914 0 19,120
OSHKOSH CORP COM 688239201   6,295,984 50,485 SH   SOLE   50,485 0 0
PALO ALTO NETWORKS INC COM 697435105   4,833,904 17,013 SH   SOLE   15,075 0 1,938
PATTERSON COS INC COM 703395103   1,082,498 39,150 SH   SOLE   38,500 0 650
PAYCHEX INC COM 704326107   400,328 3,260 SH   SOLE   600 0 2,660
PENTAIR PLC SHS G7S00T104   7,810,241 91,412 SH   SOLE   80,105 0 11,307
PEPSICO INC COM 713448108   1,516,287 8,664 SH   SOLE   8,169 0 495
PFIZER INC COM 717081103   3,757,064 135,390 SH   SOLE   96,535 0 38,855
PHILIP MORRIS INTL INC COM 718172109   436,569 4,765 SH   SOLE   675 0 4,090
PHILLIPS 66 COM 718546104   1,208,716 7,400 SH   SOLE   6,000 0 1,400
PIPER SANDLER COMPANIES COM 724078100   51,479,374 259,355 SH   SOLE   241,355 0 18,000
PLEXUS CORP COM 729132100   9,404,911 99,187 SH   SOLE   99,187 0 0
PLUG POWER INC COM NEW 72919P202   34,400 10,000 SH   SOLE   10,000 0 0
POLARIS INC COM 731068102   36,609,178 365,653 SH   SOLE   312,820 0 52,833
PRINCIPAL FINANCIAL GROUP IN COM 74251V102   106,015,769 1,228,314 SH   SOLE   1,006,850 0 221,464
PROCTER AND GAMBLE CO COM 742718109   30,773,251 189,666 SH   SOLE   119,099 0 70,567
QCR HOLDINGS INC COM 74727A104   9,580,399 157,728 SH   SOLE   157,728 0 0
QUALCOMM INC COM 747525103   222,249,252 1,312,754 SH   SOLE   1,122,160 0 190,594
ROCKWELL AUTOMATION INC COM 773903109   111,542,676 382,874 SH   SOLE   333,501 0 49,373
RTX CORPORATION COM 75513E101   723,380 7,417 SH   SOLE   2,960 0 4,457
SALESFORCE INC COM 79466L302   80,425,902 267,036 SH   SOLE   211,678 0 55,358
SCHLUMBERGER LTD COM STK 806857108   798,856 14,575 SH   SOLE   14,575 0 0
SCHWAB CHARLES CORP COM 808513105   100,332,397 1,386,956 SH   SOLE   1,130,691 0 256,265
SCHWAB STRATEGIC TR US BRD MKT ETF 808524102   5,451,765 89,300 SH   SOLE   30,300 0 59,000
SCHWAB STRATEGIC TR INTL EQTY ETF 808524805   585,300 15,000 SH   SOLE   0 0 15,000
SEI INVTS CO COM 784117103   237,270 3,300 SH   SOLE   0 0 3,300
SELECT SECTOR SPDR TR TECHNOLOGY 81369Y803   1,759,716 8,449 SH   SOLE   2,792 0 5,657
SHELL PLC SPON ADS 780259305   933,197 13,920 SH   SOLE   13,920 0 0
SHERWIN WILLIAMS CO COM 824348106   160,111,293 460,977 SH   SOLE   412,757 0 48,220
SHYFT GROUP INC COM 825698103   124,200 10,000 SH   SOLE   10,000 0 0
SKYWATER TECHNOLOGY INC COM 83089J108   1,717,408 168,870 SH   SOLE   168,870 0 0
SMITH & WESSON BRANDS INC COM 831754106   173,600 10,000 SH   SOLE   10,000 0 0
SNAP INC CL A 83304A106   114,800 10,000 SH   SOLE   10,000 0 0
SNAP ON INC COM 833034101   1,638,097 5,530 SH   SOLE   3,640 0 1,890
SONOCO PRODS CO COM 835495102   289,200 5,000 SH   SOLE   5,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103   2,893,140 5,531 SH   SOLE   4,439 0 1,092
STARBUCKS CORP COM 855244109   290,832 3,182 SH   SOLE   2,920 0 262
STRYKER CORPORATION COM 863667101   1,431,480 4,000 SH   SOLE   4,000 0 0
STURM RUGER & CO INC COM 864159108   553,800 12,000 SH   SOLE   12,000 0 0
SURMODICS INC COM 868873100   293,400 10,000 SH   SOLE   10,000 0 0
SYSCO CORP COM 871829107   103,073,353 1,269,689 SH   SOLE   1,052,664 0 217,025
TARGET CORP COM 87612E106   81,290,446 458,724 SH   SOLE   322,992 0 135,732
TENNANT CO COM 880345103   142,236,150 1,169,609 SH   SOLE   1,019,305 0 150,304
TESLA INC COM 88160R101   273,178 1,554 SH   SOLE   54 0 1,500
TEXAS INSTRS INC COM 882508104   35,855,380 205,817 SH   SOLE   157,760 0 48,057
THERMO FISHER SCIENTIFIC INC COM 883556102   895,645 1,541 SH   SOLE   131 0 1,410
TJX COS INC NEW COM 872540109   279,818 2,759 SH   SOLE   2,759 0 0
TORO CO COM 891092108   297,291,836 3,244,481 SH   SOLE   2,692,127 0 552,354
TRANE TECHNOLOGIES PLC SHS G8994E103   343,429 1,144 SH   SOLE   784 0 360
TRAVELERS COMPANIES INC COM 89417E109   17,884,410 77,711 SH   SOLE   64,347 0 13,364
ULTA BEAUTY INC COM 90384S303   33,864,846 64,766 SH   SOLE   57,961 0 6,805
UNION PAC CORP COM 907818108   1,410,163 5,734 SH   SOLE   1,694 0 4,040
UNITED FIRE GROUP INC COM 910340108   522,480 24,000 SH   SOLE   24,000 0 0
UNITED PARCEL SERVICE INC CL B 911312106   21,152,301 142,315 SH   SOLE   89,246 0 53,069
UNITED RENTALS INC COM 911363109   248,783 345 SH   SOLE   345 0 0
UNITEDHEALTH GROUP INC COM 91324P102   403,935,412 816,526 SH   SOLE   707,428 0 109,098
US BANCORP DEL COM NEW 902973304   261,464,692 5,849,322 SH   SOLE   4,971,492 0 877,830
VANGUARD INDEX FDS TOTAL STK MKT 922908769   215,197 828 SH   SOLE   69 0 759
VANGUARD INDEX FDS GROWTH ETF 922908736   431,283 1,253 SH   SOLE   1,253 0 0
VANGUARD SPECIALIZED FUNDS DIV APP ETF 921908844   539,978 2,957 SH   SOLE   2,825 0 132
VERICEL CORP COM 92346J108   1,348,098 25,915 SH   SOLE   25,915 0 0
VERIZON COMMUNICATIONS INC COM 92343V104   168,043,128 4,004,841 SH   SOLE   3,747,090 0 257,751
VISA INC COM CL A 92826C839   175,058,019 627,269 SH   SOLE   497,806 0 129,463
WALMART INC COM 931142103   1,083,000 17,999 SH   SOLE   11,306 0 6,693
WASTE MGMT INC DEL COM 94106L109   213,150 1,000 SH   SOLE   1,000 0 0
WEC ENERGY GROUP INC COM 92939U106   328,480 4,000 SH   SOLE   2,726 0 1,274
WELLS FARGO CO NEW COM 949746101   154,655,078 2,668,307 SH   SOLE   2,205,436 0 462,871
WEYERHAEUSER CO MTN BE COM NEW 962166104   1,685,795 46,945 SH   SOLE   38,612 0 8,333
WINTRUST FINL CORP COM 97650W108   12,647,892 121,160 SH   SOLE   121,160 0 0
WOODWARD INC COM 980745103   2,157,680 14,000 SH   SOLE   14,000 0 0
WORKIVA INC COM CL A 98139A105   64,213,443 757,234 SH   SOLE   682,281 0 74,953
XCEL ENERGY INC COM 98389B100   19,585,450 364,380 SH   SOLE   303,024 0 61,356
ZIMMER BIOMET HOLDINGS INC COM 98956P102   2,177,670 16,500 SH   SOLE   8,905 0 7,595
ZOETIS INC CL A 98978V103   323,699 1,913 SH   SOLE   1,263 0 650