<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: 6-30-99
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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 5/13/99
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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.)
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/ / 13F NOTICE. (Check here if no holdings reported are in this report,
and all holdings are reported by other reporting manager(s).)
/ / 13F COMBINATION REPORT. (Check here if a portion of the holdings for
this reporting manager are reported in this report and a portion are
reported by other reporting manager(s).)
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Form 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 0
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Form 13F Information Table Entry Total: 117
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Form 13F Information Table Value Total: $ 846,478
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(thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings
and list entries.]
No. Form 13F File Number Name
28-
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[Repeat as necessary.]
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FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 06-30-99
<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 00282410 1,472,419 32,450 SHR SOLE 32,450
ADC Telecom COM 00088610 33,121,659 726,950 SHR SOLE 726,950
Aegon NV COM 00792410 342,331 4,630 SHR SOLE 4,630
Allstate Corp COM 02000210 522,914 14,576 SHR SOLE 14,576
Am Home Products COM 02660910 1,470,751 25,634 SHR SOLE 25,634
American Express COM 02581610 926,100 7,117 SHR SOLE 7,117
American Greetings COM 02637510 1,973,187 65,500 SHR SOLE 65,500
Amgen COM 03116210 328,725 5,400 SHR SOLE 5,400
Archer-Daniels COM 03948310 295,539 19,144 SHR SOLE 19,144
AT & T COM 00195710 983,409 17,620 SHR SOLE 17,620
Automatic Data Proc COM 05301510 353,320 8,030 SHR SOLE 8,030
Bank of America Corp COM 586,500 8,000 SHR SOLE 8,000
Bankamerica Corp COM 06605010 1,661,769 22,667 SHR SOLE 22,667
Baxter International COM 07181310 20,734,053 342,005 SHR SOLE 342,005
BellSouth Corp COM 07986010 218,540 4,738 SHR SOLE 4,738
Bemis COM 08143710 19,199,250 483,000 SHR SOLE 483,000
Bestfoods COM 08658U10 207,504 4,192 SHR SOLE 4,192
BMC Industries COM 05560710 11,649,773 1,129,675 SHR SOLE 1,129,675
BP Amoco PLC ADR COM 4,260,113 39,264 SHR SOLE 39,264
Briggs & Stratton COM 10904310 346,500 6,000 SHR SOLE 6,000
Bristol-Myers Squibb COM 11012210 5,533,006 78,552 SHR SOLE 78,552
Burlington Northern COM 12189T10 15,110,950 487,450 SHR SOLE 487,450
Burlington Resources COM 12201410 1,972,070 45,597 SHR SOLE 45,597
Cardinal Health COM 625,732 9,758 SHR SOLE 9,758
Ceridian COM 15677T10 14,281,169 436,900 SHR SOLE 436,900
Chevron COM 16675110 748,427 7,873 SHR SOLE 7,873
Cisco COM 17275R10 1,523,947 23,650 SHR SOLE 23,650
</TABLE>
<PAGE>
FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 06-30-99
<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>
Community First Bankshares COM 20390210 596,875 25,000 SHR SOLE 25,000
Cooper Industries COM 21666910 340,912 6,556 SHR SOLE 6,556
Corning COM 21935010 6,938,027 98,938 SHR SOLE 98,938
Covance Inc. COM 22281610 834,222 34,850 SHR SOLE 34,850
Dayton Hudson COM 23975310 30,096,300 463,020 SHR SOLE 463,020
Delta Air Lines COM 24736110 1,258,299 21,836 SHR SOLE 21,836
Deluxe Corp COM 24801910 21,530,186 554,723 SHR SOLE 554,723
Donaldson COM 25765110 17,094,728 697,744 SHR SOLE 697,744
Eastman Kodak COM 27746110 271,000 4,000 SHR SOLE 4,000
Ecolab Inc COM 27886510 25,114,389 575,688 SHR SOLE 575,688
Emerson Electric COM 29101110 27,114,104 430,810 SHR SOLE 430,810
Enron Corp COM 29356110 426,735 5,220 SHR SOLE 5,220
Exxon Corp COM 30229010 1,801,948 23,364 SHR SOLE 23,364
Federal Natl Mtge COM 31358610 206,115 3,020 SHR SOLE 3,020
Firstar COM 33761C10 2,445,632 87,344 SHR SOLE 87,344
Firstar Corporation COM 638,400 22,800 SHR SOLE 22,800
G & K Services Cl A COM 36126810 1,848,837 35,300 SHR SOLE 35,300
General Binding COM 36915410 235,000 10,000 SHR SOLE 10,000
General Electric COM 36960410 1,529,116 13,532 SHR SOLE 13,532
General Mills COM 37033410 22,738,489 282,905 SHR SOLE 282,905
Genuine Parts COM 37246010 490,000 14,000 SHR SOLE 14,000
Gillette Company COM 37576610 209,100 5,100 SHR SOLE 5,100
Graco Inc COM 38410910 24,804,044 844,393 SHR SOLE 844,393
GTE Corp COM 36232010 3,200,218 42,387 SHR SOLE 42,387
HB Fuller COM 35969410 21,731,626 317,830 SHR SOLE 317,830
Hershey COM 42786610 756,437 12,740 SHR SOLE 12,740
Hewlett-Packard COM 42823610 294,967 2,935 SHR SOLE 2,935
Home Depot COM 43707610 215,608 3,346 SHR SOLE 3,346
Honeywell Inc COM 43850610 34,482,082 297,580 SHR SOLE 297,580
Hormel COM 44045210 25,379,637 630,550 SHR SOLE 630,550
</TABLE>
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FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 06-30-99
<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>
IBM COM 45920010 4,106,789 31,774 SHR SOLE 31,774
Imation COM 45245A10 6,929,436 279,272 SHR SOLE 279,272
Ingersoll Rand COM 45686610 659,175 10,200 SHR SOLE 10,200
Intel COM 45814010 2,295,272 38,576 SHR SOLE 38,576
Intl Flavors/Fragr COM 45950610 370,700 8,425 SHR SOLE 8,425
J.P. Morgan COM 61688010 1,343,320 9,561 SHR SOLE 9,561
Jefferson-Pilot COM 47507010 335,041 5,062 SHR SOLE 5,062
Johnson & Johnson COM 47816010 29,396,178 299,961 SHR SOLE 299,961
Jostens Inc COM 48108810 7,210,220 342,325 SHR SOLE 342,325
Kimberly-Clark COM 49436810 3,374,400 59,200 SHR SOLE 59,200
Laboratory Corp of Am COM 50540R10 33,062 11,500 SHR SOLE 11,500
Lucent Tech COM 54946310 494,991 7,340 SHR SOLE 7,340
Medtronic Inc COM 58505510 34,970,547 449,060 SHR SOLE 449,060
Merck & Co COM 58933110 1,952,535 26,520 SHR SOLE 26,520
Merrill Corp COM 59017510 18,423,700 1,270,600 SHR SOLE 1,270,600
Merrill Lynch COM 59018810 1,274,782 16,035 SHR SOLE 16,035
Minnesota Mining COM 60405910 28,384,050 326,488 SHR SOLE 326,488
Mobil Corp COM 60705910 1,457,155 14,756 SHR SOLE 14,756
Monsanto COM 61166210 242,122 6,120 SHR SOLE 6,120
Motorola COM 62007610 1,648,650 17,400 SHR SOLE 17,400
MTS Systems COM 55377710 19,480,500 1,598,400 SHR SOLE 1,598,400
Murphy Oil COM 62671710 327,044 6,700 SHR SOLE 6,700
Natl Computer Sys COM 63551910 24,925,050 738,520 SHR SOLE 738,520
Newell Co COM 65119210 236,512 5,100 SHR SOLE 5,100
Nokia COM 65490220 329,625 3,600 SHR SOLE 3,600
Northern States Pwr COM 66577210 233,651 9,660 SHR SOLE 9,660
Osmonics COM 68835010 120,712 11,100 SHR SOLE 11,100
Pacific Centy Finl Corp. COM 69405810 1,142,812 53,000 SHR SOLE 53,000
Patterson Dental COM 893,075 25,700 SHR SOLE 25,700
Pentair Inc COM 70963110 1,756,800 38,400 SHR SOLE 38,400
</TABLE>
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FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 06-30-99
<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>
Pfizer Inc COM 71708110 28,430,470 260,830 SHR SOLE 260,830
Procter & Gamble COM 74271810 380,740 4,266 SHR SOLE 4,266
Providian Financial COM 74406A10 508,772 5,456 SHR SOLE 5,456
ReliaStar COM 75952U10 19,998,125 457,100 SHR SOLE 457,100
Royal Dutch Petrol COM 78025780 1,572,525 26,100 SHR SOLE 26,100
Schlumberger Ltd COM 80685710 4,115,486 64,620 SHR SOLE 64,620
Sigma Aldrich COM 82655210 788,619 22,900 SHR SOLE 22,900
Silicon Graphics COM 82705610 1,180,637 72,100 SHR SOLE 72,100
St. Jude Medical COM 79084910 17,405,484 488,575 SHR SOLE 488,575
St. Paul Cos COM 79286010 19,292,436 606,442 SHR SOLE 606,442
Sturm Ruger COM 86415910 342,000 32,000 SHR SOLE 32,000
Super Valu COM 86853610 17,895,150 691,600 SHR SOLE 691,600
TCF Financial COM 87227510 20,572,475 738,026 SHR SOLE 738,026
Toro COM 89109210 17,148,127 435,508 SHR SOLE 435,508
TSI Inc COM 87287610 13,771,033 1,184,605 SHR SOLE 1,184,605
United Healthcare COM 91058110 388,275 6,200 SHR SOLE 6,200
US Bancorp COM 90297310 23,008,591 689,396 SHR SOLE 689,396
US West Inc New COM 91273H10 944,465 16,076 SHR SOLE 16,076
Valspar COM 92035510 3,363,000 88,500 SHR SOLE 88,500
Wells Fargo & Co COM 66938010 38,630,054 903,627 SHR SOLE 903,627
Weyerhaeuser COM 96216610 4,466,275 64,964 SHR SOLE 64,964
COMMON STOCK SUBTOTAL 843,623,335 22,203,129 22,203,129
PREFERRED STOCK
Barclays Pfd. E 06738C83 439,687 17,500 SHR SOLE 17,500
JP Morgan Pfd. 217,500 2,500 SHR SOLE 2,500
PREFERRED STOCK SUBTOTAL 657,187 20,000 20,000
</TABLE>
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FORM 13F
Mairs and Power, Inc.
Discretionary Clients' Holdings as of 06-30-99
<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>
MUTUAL FUNDS
Fidelity Eq Income II 260,073 8,127 SHR SOLE 8,127
Fidelity Magellan 337,054 2,597 SHR SOLE 2,597
New Perspective Fund 64801810 226,006 8,713 SHR SOLE 8,713
Paine Webber US Govt Income Fu 143,529 16,555 SHR SOLE 16,555
SIT Large Cap Growth Fund 82979710 245,279 4,642 SHR SOLE 4,642
SIT MN Tax Free Income Fund 82979K10 433,088 41,844 SHR SOLE 41,844
SIT Mid Cap Growth Fund 82979610 200,790 13,800 SHR SOLE 13,800
Vanguard Index Tr 500 92290810 351,598 2,772 SHR SOLE 2,772
MUTUAL FUND SUBTOTAL 2,197,417 99,050 99,050
GRAND TOTALS 846,477,939 22,322,179 22,322,179
</TABLE>
