<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: 06-30-00
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Check Here if Amendment / /; Amendment Number:
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This Amendment (Check only one.): / / is a restatement.
/ / adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Mairs and Power, Inc.
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Address: 332 Minnesota St. # W-1420
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St. Paul, MN 55101
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Form 13F File Number: 28-
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The institutional investment manager filing this report and the person by
whom it is signed hereby represent that the person signing the report is
authorized to submit it, that all information contained herein is true,
correct and complete, and that it is understood that all required items,
statements, schedules, lists, and tables, are considered integral parts of
this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: William B. Frels
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Title: Compliance Officer
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Phone: 651-222-8478
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Signature, Place, and Date of Signing:
St. Paul, MN
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[Signature] [City, State] [Date]
Report Type (Check only one.):
/X/ 13F HOLDINGS REPORT. (Check here if all holdings of this reporting
manager are reported in this report.)
<PAGE>
FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 06-30-00
<TABLE>
<CAPTION>
Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 Item 7 Item 8
Title of Market
Name of Issuer Class CUSIP Value Shares SH/PRN Invstmt Managers Voting
Discr Authority
COMMON STOCK SOLE
<S> <C> <C> <C> <C> <C> <C> <C> <C>
Abbott Laboratories COM 002824100 2,393,006 53,700 SHR SOLE 53,700
ADC Telecom COM 000886101 61,614,575 734,600 SHR SOLE 734,600
Adobe Systems COM 00724F101 208,000 1,600 SHR SOLE 1,600
Aegon NV COM 007924103 440,610 12,368 SHR SOLE 12,368
Allstate Corp COM 020002101 324,316 14,576 SHR SOLE 14,576
Am Home Products COM 026609107 1,820,075 30,980 SHR SOLE 30,980
American Express COM 025816109 1,821,612 34,947 SHR SOLE 34,947
American Greetings COM 026375105 1,112,450 58,550 SHR SOLE 58,550
American Int'l Group COM 026874107 825,790 7,028 SHR SOLE 7,028
American Water Works COM 030411102 250,000 10,000 SHR SOLE 10,000
Amgen COM 031162100 758,700 10,800 SHR SOLE 10,800
Archer-Daniels COM 039483102 197,221 20,099 SHR SOLE 20,099
AT & T COM 001957109 1,116,991 35,320 SHR SOLE 35,320
Automatic Data Proc COM 053015103 697,919 13,030 SHR SOLE 13,030
Bank of America Corp COM 060505104 344,000 8,000 SHR SOLE 8,000
Bankamerica Corp COM 066050105 1,404,678 32,667 SHR SOLE 32,667
Baxter International COM 071813109 24,139,687 343,320 SHR SOLE 343,320
Bemis COM 081437105 17,659,850 525,200 SHR SOLE 525,200
Bestfoods COM 08658U101 306,916 4,432 SHR SOLE 4,432
BMC Industries COM 055607105 4,803,703 1,182,450 SHR SOLE 1,182,450
BP Amoco PLC ADR COM 055622104 4,752,377 84,020 SHR SOLE 84,020
Briggs & Stratton COM 109043109 205,500 6,000 SHR SOLE 6,000
Bristol-Myers Squibb COM 110122108 5,386,960 92,480 SHR SOLE 92,480
Burlington Northern COM 12189T104 749,827 32,690 SHR SOLE 32,690
Burlington Resources COM 122014103 2,911,475 76,117 SHR SOLE 76,117
Capital Title Group Inc COM 140919101 440,000 320,000 SHR SOLE 320,000
Cardinal Health COM 14149Y108 643,874 8,701 SHR SOLE 8,701
</TABLE>
<PAGE>
FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 06-30-00
<TABLE>
<CAPTION>
Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 Item 7 Item 8
Title of Market
Name of Issuer Class CUSIP Value Shares SH/PRN Invstmt Managers Voting
<S> <C> <C> <C> <C> <C> <C> <C> <C>
Ceridian COM 15677T106 15,764,547 655,150 SHR SOLE 655,150
Chevron COM 166751107 862,798 10,173 SHR SOLE 10,173
Cisco COM 17275R102 533,925 8,400 SHR SOLE 8,400
Community First Bankshares COM 203902101 304,881 18,690 SHR SOLE 18,690
Community First Bkshr COM 203902101 468,593 28,726 SHR SOLE 28,726
Corning COM 219350105 15,105,713 55,973 SHR SOLE 55,973
Covance Inc. COM 222816100 581,845 66,025 SHR SOLE 66,025
Delta Air Lines COM 247361108 1,108,128 21,916 SHR SOLE 21,916
Deluxe Corp COM 248019101 14,011,229 594,641 SHR SOLE 594,641
Donaldson COM 257651109 14,953,594 757,144 SHR SOLE 757,144
Dupont COM 263534109 273,481 6,251 SHR SOLE 6,251
Eastman Kodak COM 277461109 261,502 4,395 SHR SOLE 4,395
Ecolab Inc COM 278865100 22,917,500 586,688 SHR SOLE 586,688
Edwards Lifesciences COM 28176E108 1,245,105 67,303 SHR SOLE 67,303
Emerson Electric COM 291011104 31,218,705 517,080 SHR SOLE 517,080
Enron Corp COM 293561106 1,292,580 20,040 SHR SOLE 20,040
Exxon Mobil Corp COM 30231g102 3,739,740 47,640 SHR SOLE 47,640
First Data Corp COM 319963104 711,920 14,346 SHR SOLE 14,346
Firstar COM 33761C103 2,063,872 97,988 SHR SOLE 97,988
Firstar Corporation COM 33763V109 480,225 22,800 SHR SOLE 22,800
Franklin Resources Inc COM 303,750 10,000 SHR SOLE 10,000
Freddie Mac Voting Shs COM 313400301 318,330 7,860 SHR SOLE 7,860
G & K Services Cl A COM 361268105 3,045,094 121,500 SHR SOLE 121,500
General Binding COM 369154109 66,875 10,000 SHR SOLE 10,000
General Electric COM 369604103 2,710,314 51,138 SHR SOLE 51,138
General Mills COM 370334104 23,051,808 602,662 SHR SOLE 602,662
Genuine Parts COM 372460105 280,000 14,000 SHR SOLE 14,000
Gillette Company COM 375766102 649,837 18,600 SHR SOLE 18,600
Graco Inc COM 384109104 27,833,585 856,418 SHR SOLE 856,418
GTE Corp COM 362320103 2,179,623 35,014 SHR SOLE 35,014
</TABLE>
<PAGE>
FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 06-30-00
<TABLE>
<CAPTION>
Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 Item 7 Item 8
Title of Market
Name of Issuer Class CUSIP Value Shares SH/PRN Invstmt Managers Voting
<S> <C> <C> <C> <C> <C> <C> <C> <C>
HB Fuller COM 359694106 16,244,398 356,530 SHR SOLE 356,530
Hershey COM 427866108 577,150 11,900 SHR SOLE 11,900
Hewlett-Packard COM 428236103 807,567 6,467 SHR SOLE 6,467
Home Depot COM 437076102 864,468 17,311 SHR SOLE 17,311
Honeywell Inc COM 438516106 19,459,972 577,661 SHR SOLE 577,661
Hormel COM 440452100 20,981,159 1,247,950 SHR SOLE 1,247,950
IBM COM 459200101 3,497,892 31,926 SHR SOLE 31,926
Imation COM 45245A107 215,965 7,352 SHR SOLE 7,352
Ingersoll Rand COM 456866102 413,569 10,275 SHR SOLE 10,275
Intel COM 458140100 6,615,392 49,484 SHR SOLE 49,484
Intl Flavors/Fragr COM 459506101 211,312 7,000 SHR SOLE 7,000
J.P. Morgan COM 616880100 1,007,644 9,150 SHR SOLE 9,150
Jefferson-Pilot COM 475070108 285,687 5,062 SHR SOLE 5,062
Johnson & Johnson COM 478160104 30,873,830 303,056 SHR SOLE 303,056
Kimberly-Clark COM 494368103 3,379,387 58,900 SHR SOLE 58,900
Lucent Tech COM 549463107 1,032,016 17,418 SHR SOLE 17,418
M.STNLY D. Witter COM 333,000 4,000 SHR SOLE 4,000
Medtronic Inc COM 585055106 34,814,952 698,920 SHR SOLE 698,920
Merck & Co COM 589331107 2,560,194 33,412 SHR SOLE 33,412
Merrill Lynch COM 590188108 1,200,025 10,435 SHR SOLE 10,435
Microsoft COM 594918104 838,640 10,483 SHR SOLE 10,483
Minnesota Mining COM 604059105 27,682,545 335,546 SHR SOLE 335,546
MIPS Technol. CL B COM 604567206 358,305 9,307 SHR SOLE 9,307
Monsanto COM 611662107 316,327 6,120 SHR SOLE 6,120
Motorola COM 620076109 1,573,153 54,130 SHR SOLE 54,130
MTS Systems COM 553777103 10,934,462 1,749,514 SHR SOLE 1,749,514
Murphy Oil COM 626717102 368,512 6,200 SHR SOLE 6,200
Natl Computer Sys COM 635519101 33,749,547 685,270 SHR SOLE 685,270
Newell Rubbermaid COM 651192106 1,108,537 43,050 SHR SOLE 43,050
Nokia COM 654902204 624,219 12,500 SHR SOLE 12,500
</TABLE>
<PAGE>
FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 06-30-00
<TABLE>
<CAPTION>
Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 Item 7 Item 8
Title of Market
Name of Issuer Class CUSIP Value Shares SH/PRN Invstmt Managers Voting
<S> <C> <C> <C> <C> <C> <C> <C> <C>
Northern States Pwr COM 665772109 203,813 10,096 SHR SOLE 10,096
Pacific Centy Finl Corp. COM 694058108 804,375 55,000 SHR SOLE 55,000
Patterson Dental COM 703412106 2,659,650 52,150 SHR SOLE 52,150
Pentair Inc COM 709631105 2,076,750 58,500 SHR SOLE 58,500
Pfizer Inc COM 717081103 36,443,328 759,236 SHR SOLE 759,236
Procter & Gamble COM 742718109 591,163 10,326 SHR SOLE 10,326
Providian Financial COM 74406A102 410,040 4,556 SHR SOLE 4,556
Qwest Communications COM 749121109 429,628 8,647 SHR SOLE 8,647
ReliaStar COM 75952U103 12,042,272 229,650 SHR SOLE 229,650
Royal Dutch Petrol COM 780257804 1,889,969 30,700 SHR SOLE 30,700
SBC Communications COM 78387G103 274,767 6,353 SHR SOLE 6,353
Schlumberger Ltd COM 806857108 4,721,524 63,270 SHR SOLE 63,270
Service Master COM 81760N109 441,350 38,800 SHR SOLE 38,800
Sigma Aldrich COM 826552101 751,725 25,700 SHR SOLE 25,700
Silicon Graphics COM 827056102 252,000 67,200 SHR SOLE 67,200
SNAP ON Inc. COM 833034101 535,162 20,100 SHR SOLE 20,100
St. Jude Medical COM 790849103 24,001,020 523,183 SHR SOLE 523,183
St. Paul Cos COM 792860108 22,898,899 671,030 SHR SOLE 671,030
State Street Corp COM 857477103 222,095 2,094 SHR SOLE 2,094
Sturm Ruger COM 864159108 213,000 24,000 SHR SOLE 24,000
Super Valu COM 868536103 16,635,844 872,700 SHR SOLE 872,700
Sycamore Networks, Inc. COM 291,831 2,644 SHR SOLE 2,644
Target Corp COM 87612E106 27,594,660 475,770 SHR SOLE 475,770
TCF Financial COM 872275102 19,719,061 767,652 SHR SOLE 767,652
Toro COM 891092108 14,897,895 452,308 SHR SOLE 452,308
Tyco COM 902124106 284,250 6,000 SHR SOLE 6,000
Union Pacific Resources COM 907834105 375,782 17,081 SHR SOLE 17,081
United Healthcare COM 910581107 433,037 5,050 SHR SOLE 5,050
US Bancorp COM 902973106 16,083,009 835,481 SHR SOLE 835,481
US West Inc New COM 91273H101 859,987 10,029 SHR SOLE 10,029
</TABLE>
<PAGE>
FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 06-30-00
<TABLE>
<CAPTION>
Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 Item 7 Item 8
Title of Market
Name of Issuer Class CUSIP Value Shares SH/PRN Invstmt Managers Voting
<S> <C> <C> <C> <C> <C> <C> <C> <C>
Valspar COM 920355104 10,681,875 316,500 SHR SOLE 316,500
Verizon Communications COM 92343v104 433,939 8,540 SHR SOLE 8,540
Vodafone 92857T107 244,481 5,900 5,900
Waste Mgmt Inc Del 94106L109 418,000 22,000 22,000
Wells Fargo & Co 669380107 34,519,159 890,817 890,817
Weyerhaeuser 962166104 2,921,850 67,950 67,950
806,856,227 22,875,578 22,875,578
PREFERRED STOCK
Barclays Pfd. E 06738C83 395,250 17,000 SHR SOLE 17,000
PREFERRED STOCK SUBTOTAL 395,250 17,000 17,000
MUTUAL FUNDS
Acorn Fund 179,691 10,435 SHR SOLE 10,435
Fidelity Magellan 242,230 1,799 SHR SOLE 1,799
New Perspective Fund 648018109 293,647 9,491 SHR SOLE 9,491
Paine Webber US Govt Income Fu 148,646 17,591 SHR SOLE 17,591
SIT Large Cap Growth Fund 829797109 295,505 4,642 SHR SOLE 4,642
SIT Mid Cap Growth Fund 829796101 325,266 13,800 SHR SOLE 13,800
SIT MN Tax Free Income Fund 82979K100 405,889 41,844 SHR SOLE 41,844
Vanguard Index Tr 500 922908108 371,891 2,772 SHR SOLE 2,772
Wells Fargo Equity Income Fund 480,574 11,358 11,358
</TABLE>
<PAGE>
FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 06-30-00
<TABLE>
<CAPTION>
Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 Item 7 Item 8
Title of Market
Name of Issuer Class CUSIP Value Shares SH/PRN Invstmt Managers Voting
<S> <C> <C> <C> <C> <C> <C> <C> <C>
MUTUAL FUND SUBTOTAL 2,743,339 113,733 113,733
GRAND TOTALS 809,994,816 23,006,311 23,006,311
</TABLE>
