<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: 09-30-00
-----------------------
Check Here if Amendment / /; Amendment Number:
---------
This Amendment (Check only one.): / / is a restatement.
/ / adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Mairs and Power, Inc.
-------------------------------
Address: 332 Minnesota St. # W-1420
-------------------------------
St. Paul, MN 55101
-------------------------------
-------------------------------
Form 13F File Number: 28-
---------------------
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
-------------------------------
Title: Compliance Officer
-------------------------------
Phone: 651-222-8478
-------------------------------
Signature, Place, and Date of Signing:
/s/ William B. Frels St. Paul, MN 08-14-2000
------------------------------- ----------------- -------------
[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 09-30-00
<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
SOLE
<S> <C> <C> <C> <C> <C> <C> <C>
COMMON STOCK
Abbott Laboratories COM 002824100 2,335,319 49,100 SHR SOLE 49,100
ADC Telecom COM 000886101 37,641,497 1,399,800 SHR SOLE 1,399,800
Adobe Systems COM 00724F101 248,400 1,600 SHR SOLE 1,600
Aegon NV COM 007924103 283,189 7,628 SHR SOLE 7,628
Allstate Corp COM 020002101 486,500 14,000 SHR SOLE 14,000
Am Home Products COM 026609107 1,627,869 28,780 SHR SOLE 28,780
American Express COM 025816109 2,086,580 34,347 SHR SOLE 34,347
American Greetings COM 026375105 958,125 54,750 SHR SOLE 54,750
American Int'l Group COM 026874107 953,239 9,962 SHR SOLE 9,962
American Water Works COM 030411102 275,625 10,000 SHR SOLE 10,000
Amgen COM 031162100 754,144 10,800 SHR SOLE 10,800
Anadarko Pete Corp COM 032511107 516,394 7,770 SHR SOLE 7,770
Archer-Daniels COM 039483102 173,354 20,099 SHR SOLE 20,099
AT & T COM 001957109 1,154,640 39,307 SHR SOLE 39,307
Automatic Data Proc COM 053015103 668,750 10,000 SHR SOLE 10,000
Bank of America Corp COM 060505104 419,000 8,000 SHR SOLE 8,000
Bankamerica Corp COM 066050105 1,710,930 32,667 SHR SOLE 32,667
Baxter International COM 071813109 27,155,405 340,240 SHR SOLE 340,240
Bemis COM 081437105 16,836,712 524,100 SHR SOLE 524,100
Bestfoods COM 08658U101 322,428 4,432 SHR SOLE 4,432
BMC Industries COM 055607105 8,365,844 1,216,850 SHR SOLE 1,216,850
BP Amoco PLC ADR COM 055622104 4,519,836 85,280 SHR SOLE 85,280
Briggs & Stratton COM 109043109 264,687 7,000 SHR SOLE 7,000
Bristol-Myers Squibb COM 110122108 4,985,870 87,280 SHR SOLE 87,280
Burlington Northern COM 12189T104 704,878 32,690 SHR SOLE 32,690
Burlington Resources COM 122014103 2,757,882 74,917 SHR SOLE 74,917
Cardinal Health COM 14149Y108 668,549 7,581 SHR SOLE 7,581
</TABLE>
<PAGE>
FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 09-30-00
<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
SOLE
<S> <C> <C> <C> <C> <C> <C> <C>
Ceridian COM 15677T106 18,256,059 650,550 SHR SOLE 650,550
Chevron COM 166751107 952,498 11,173 SHR SOLE 11,173
Community First Bkshr COM 203902101 522,063 29,726 SHR SOLE 29,726
Community First Bkshr COM 203902101 328,243 18,690 SHR SOLE 18,690
Corning COM 219350105 14,964,345 50,385 SHR SOLE 50,385
Covance Inc. COM 222816100 532,392 65,025 SHR SOLE 65,025
Delta Air Lines COM 247361108 928,147 20,916 SHR SOLE 20,916
Deluxe Corp COM 248019101 13,612,036 670,131 SHR SOLE 670,131
Donaldson COM 257651109 17,384,400 790,200 SHR SOLE 790,200
Dupont COM 263534109 238,017 5,744 SHR SOLE 5,744
Ecolab Inc COM 278865100 21,481,998 595,688 SHR SOLE 595,688
Edwards Lifesciences COM 28176E108 1,302,839 59,729 SHR SOLE 59,729
Emerson Electric COM 291011104 34,111,040 509,120 SHR SOLE 509,120
Enron Corp COM 293561106 1,756,005 20,040 SHR SOLE 20,040
Exxon Mobil Corp COM 30231g102 3,576,586 40,130 SHR SOLE 40,130
Federal Natl Mtge COM 313586109 203,489 2,846 SHR SOLE 2,846
First Data Corp COM 319963104 986,172 25,246 SHR SOLE 25,246
Firstar COM 33761C103 1,885,944 84,288 SHR SOLE 84,288
Firstar Corporation COM 33763V109 510,150 22,800 SHR SOLE 22,800
Franklin Resources Inc COM 444,300 10,000 SHR SOLE 10,000
Freddie Mac Voting Shs COM 313400301 424,931 7,860 SHR SOLE 7,860
G & K Services Cl A COM 361268105 3,311,375 118,000 SHR SOLE 118,000
General Binding COM 369154109 73,750 10,000 SHR SOLE 10,000
General Electric COM 369604103 2,205,970 38,240 SHR SOLE 38,240
General Mills COM 370334104 21,744,163 612,512 SHR SOLE 612,512
Genuine Parts COM 372460105 266,875 14,000 SHR SOLE 14,000
Gillette Company COM 375766102 626,762 20,300 SHR SOLE 20,300
Graco Inc COM 384109104 27,291,337 846,243 SHR SOLE 846,243
HB Fuller COM 359694106 13,421,362 466,830 SHR SOLE 466,830
Hershey COM 427866108 589,962 10,900 SHR SOLE 10,900
</TABLE>
<PAGE>
FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 09-30-00
<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
SOLE
<S> <C> <C> <C> <C> <C> <C> <C>
Hewlett-Packard COM 428236103 559,399 5,767 SHR SOLE 5,767
Home Depot COM 437076102 865,502 16,311 SHR SOLE 16,311
Honeywell Inc COM 438516106 22,791,290 639,755 SHR SOLE 639,755
Hormel COM 440452100 21,405,891 1,282,750 SHR SOLE 1,282,750
IBM COM 459200101 3,104,775 27,598 SHR SOLE 27,598
Ingersoll Rand COM 456866102 348,066 10,275 SHR SOLE 10,275
Intel COM 458140100 3,826,576 92,068 SHR SOLE 92,068
J.P. Morgan COM 616880100 1,188,553 7,275 SHR SOLE 7,275
Jefferson-Pilot COM 475070108 343,583 5,062 SHR SOLE 5,062
Johnson & Johnson COM 478160104 28,224,085 300,456 SHR SOLE 300,456
Kimberly-Clark COM 494368103 3,125,500 56,000 SHR SOLE 56,000
Lucent Tech COM 549463107 1,499,824 49,074 SHR SOLE 49,074
M.STNLY D. Witter COM 365,750 4,000 SHR SOLE 4,000
Medtronic Inc COM 585055106 35,610,731 687,300 SHR SOLE 687,300
Merck & Co COM 589331107 2,234,018 30,012 SHR SOLE 30,012
Merrill Lynch COM 590188108 1,240,800 18,800 SHR SOLE 18,800
Microsoft COM 594918104 565,912 9,383 SHR SOLE 9,383
Minnesota Mining COM 604059105 29,929,095 328,440 SHR SOLE 328,440
Monsanto COM 611662107 368,347 6,120 SHR SOLE 6,120
Motorola COM 620076109 1,444,422 51,130 SHR SOLE 51,130
MTS Systems COM 553777103 12,250,098 1,750,014 SHR SOLE 1,750,014
Murphy Oil COM 626717102 401,837 6,200 SHR SOLE 6,200
Newell Rubbermaid COM 651192106 1,130,359 49,550 SHR SOLE 49,550
Nokia COM 654902204 457,844 11,500 SHR SOLE 11,500
Pacific Centy Finl Corp. COM 694058108 890,500 52,000 SHR SOLE 52,000
Patterson Dental COM 703412106 2,256,750 100,300 SHR SOLE 100,300
Pentair Inc COM 709631105 2,503,800 93,600 SHR SOLE 93,600
Pfizer Inc COM 717081103 32,997,157 734,290 SHR SOLE 734,290
Procter & Gamble COM 742718109 624,842 9,326 SHR SOLE 9,326
Providian Financial COM 74406A102 477,012 3,756 SHR SOLE 3,756
</TABLE>
<PAGE>
FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 09-30-00
<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
SOLE
<S> <C> <C> <C> <C> <C> <C> <C>
Qwest Communications COM 749121109 1,237,513 25,748 SHR SOLE 25,748
Royal Dutch Petrol COM 780257804 1,720,206 28,700 SHR SOLE 28,700
SAFECO Corp COM 786429100 235,712 8,650 SHR SOLE 8,650
SBC Communications COM 78387G103 317,650 6,353 SHR SOLE 6,353
Schlumberger Ltd COM 806857108 5,002,131 60,770 SHR SOLE 60,770
Service Master COM 81760N109 383,150 38,800 SHR SOLE 38,800
Sigma Aldrich COM 826552101 881,100 26,700 SHR SOLE 26,700
Silicon Graphics COM 827056102 215,325 52,200 SHR SOLE 52,200
SNAP ON Inc. COM 833034101 492,456 20,900 SHR SOLE 20,900
St. Jude Medical COM 790849103 26,401,833 517,683 SHR SOLE 517,683
St. Paul Cos COM 792860108 32,508,181 659,228 SHR SOLE 659,228
State Street Corp COM 857477103 272,220 2,094 SHR SOLE 2,094
Sturm Ruger COM 864159108 196,500 24,000 SHR SOLE 24,000
Super Valu COM 868536103 14,197,912 942,600 SHR SOLE 942,600
Sycamore Networks, Inc. COM 285,552 2,644 SHR SOLE 2,644
Target Corp COM 87612E106 26,371,712 1,029,140 SHR SOLE 1,029,140
TCF Financial COM 872275102 29,582,731 786,252 SHR SOLE 786,252
Toro COM 891092108 14,773,752 469,008 SHR SOLE 469,008
Tyco COM 902124106 311,250 6,000 SHR SOLE 6,000
United Healthcare COM 910581107 498,687 5,050 SHR SOLE 5,050
US Bancorp COM 902973106 16,895,083 742,641 SHR SOLE 742,641
Valspar COM 920355104 14,313,574 622,600 SHR SOLE 622,600
Verizon Comm COM 92343v104 3,248,461 67,065 SHR SOLE 67,065
Vodafone COM 92857T107 218,300 5,900 SHR SOLE 5,900
Waste Mgmt Inc Del COM 94106L109 549,281 31,500 SHR SOLE 31,500
Wells Fargo & Co COM 669380107 39,856,891 867,633 SHR SOLE 867,633
Weyerhaeuser COM 962166104 9,011,700 223,200 SHR SOLE 223,200
Xcel Energy Inc. COM 277,640 10,096 SHR SOLE 10,096
776,097,677 23,667,559 23,667,559
</TABLE>
<PAGE>
FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 09-30-00
<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
SOLE
<S> <C> <C> <C> <C> <C> <C> <C>
PREFERRED STOCK
Barclays Pfd. E 06738C83 411,187 17,000 SHR SOLE 17,000
PREFERRED STOCK SUBTOTAL 411,187 17,000 17,000
MUTUAL FUNDS
Acorn Fund 196,804 10,435 SHR SOLE 10,435
Dean Witter US Govt Sec 616969200 87,822 10,048 SHR SOLE 10,048
Fidelity Magellan 240,809 1,799 SHR SOLE 1,799
New Perspective Fund 648018109 272,102 9,491 SHR SOLE 9,491
Paine Webber US Govt Income Fu 152,730 17,863 SHR SOLE 17,863
SIT Large Cap Growth Fund 829797109 289,702 4,642 SHR SOLE 4,642
SIT Mid Cap Growth Fund 829796101 308,400 12,000 SHR SOLE 12,000
SIT MN Tax Free Income Fund 82979K100 410,492 41,844 SHR SOLE 41,844
Unts EIF Internet 2000-A 29471q200 59,211 47,712 SHR SOLE 47,712
Vanguard Index Tr 500 922908108 367,566 2,772 SHR SOLE 2,772
Wells Fargo Equity Income Fund 330,177 8,000 SHR SOLE 8,000
MUTUAL FUND SUBTOTAL 2,715,815 166,607 166,607
GRAND TOTALS 779,224,679 23,851,166 23,851,166
</TABLE>