undamentalytics Newsletter

Asset manager

Mairs & Power Inc

13F for June 30, 2026, filed August 14, 2026 · SEC CIK 1070134

Reported value
$10.9bn
94% in companies we cover
Positions we cover
209
Largest NVDA 8.6%
Copy, a year
+12.4%
S&P 500 +14.1%
Copy Sharpe ratio
0.68
S&P 500 0.78

How copying its 13F would have done

$10.0k$20.0k$40.0k 2013201520172019202120232025 $57.0k$46.9k
CopyS&P 500 $10,000 copying Mairs & Power Inc's filed holdings in companies we cover from August 16, 2013, buying on the first trading day after each 13F was filed and holding until the next, against the S&P 500 (total return). Marked weekly, log scale. Before costs and taxes; misses trading within each quarter and anything 13F does not show (shorts, cash, bonds, non-US holdings).

Biggest drop −30.3% (S&P 500 −31.8%); beta 0.98; alpha −1.1% a year (t = −0.93); last 12 months +15.7% against +12.1%.

Reported value by quarter

Mairs & Power Inc: 13F reported value Total value of all positions in each quarter's 13F, as filed (values before 2023 were filed in thousands of dollars and are converted).
$0 $5T $10T Reported value, 2013-06-30: $5.2B Reported value, 2013-09-30: $5.8B Reported value, 2013-12-31: $6.5B Reported value, 2014-03-31: $6.7B Reported value, 2014-06-30: $7.1B Reported value, 2014-09-30: $6.9B Reported value, 2014-12-31: $7.2B Reported value, 2015-03-31: $7.3B Reported value, 2015-06-30: $7.1B Reported value, 2015-09-30: $6.4B Reported value, 2015-12-31: $6.7B Reported value, 2016-03-31: $7B Reported value, 2016-06-30: $7.4B Reported value, 2016-09-30: $7.6B Reported value, 2016-12-31: $7.8B Reported value, 2017-03-31: $8.2B Reported value, 2017-06-30: $8.3B Reported value, 2017-09-30: $8.3B Reported value, 2017-12-31: $8.6B Reported value, 2018-03-31: $8.1B Reported value, 2018-06-30: $8.1B Reported value, 2018-09-30: $8.6B Reported value, 2018-12-31: $7.4B Reported value, 2019-03-31: $8.2B Reported value, 2019-06-30: $8.3B Reported value, 2019-09-30: $8.3B Reported value, 2019-12-31: $8.8B Reported value, 2020-03-31: $6.9B Reported value, 2020-06-30: $7.7B Reported value, 2020-09-30: $8B Reported value, 2020-12-31: $9B Reported value, 2021-03-31: $9.5B Reported value, 2021-06-30: $10.1B Reported value, 2021-09-30: $10B Reported value, 2021-12-31: $10.8B Reported value, 2022-03-31: $9.9B Reported value, 2022-06-30: $8.3B Reported value, 2022-09-30: $7.9B Reported value, 2022-12-31: $8.3T Reported value, 2023-03-31: $8.7B Reported value, 2023-06-30: $9.2B Reported value, 2023-09-30: $8.5B Reported value, 2023-12-31: $9.5B Reported value, 2024-03-31: $10.3B Reported value, 2024-06-30: $10.3B Reported value, 2024-09-30: $10.6B Reported value, 2024-12-31: $10.3B Reported value, 2025-03-31: $9.6B Reported value, 2025-06-30: $10.1B Reported value, 2025-09-30: $10.6B Reported value, 2025-12-31: $10.4B Reported value, 2026-03-31: $9.8B Reported value, 2026-06-30: $10.9B 2013-06-30 2016-03-31 2018-12-31 2021-09-30 2026-06-30 $10.9B
View chart data
Period Reported value
2013-06-30 $5.2B
2013-09-30 $5.8B
2013-12-31 $6.5B
2014-03-31 $6.7B
2014-06-30 $7.1B
2014-09-30 $6.9B
2014-12-31 $7.2B
2015-03-31 $7.3B
2015-06-30 $7.1B
2015-09-30 $6.4B
2015-12-31 $6.7B
2016-03-31 $7B
2016-06-30 $7.4B
2016-09-30 $7.6B
2016-12-31 $7.8B
2017-03-31 $8.2B
2017-06-30 $8.3B
2017-09-30 $8.3B
2017-12-31 $8.6B
2018-03-31 $8.1B
2018-06-30 $8.1B
2018-09-30 $8.6B
2018-12-31 $7.4B
2019-03-31 $8.2B
2019-06-30 $8.3B
2019-09-30 $8.3B
2019-12-31 $8.8B
2020-03-31 $6.9B
2020-06-30 $7.7B
2020-09-30 $8B
2020-12-31 $9B
2021-03-31 $9.5B
2021-06-30 $10.1B
2021-09-30 $10B
2021-12-31 $10.8B
2022-03-31 $9.9B
2022-06-30 $8.3B
2022-09-30 $7.9B
2022-12-31 $8.3T
2023-03-31 $8.7B
2023-06-30 $9.2B
2023-09-30 $8.5B
2023-12-31 $9.5B
2024-03-31 $10.3B
2024-06-30 $10.3B
2024-09-30 $10.6B
2024-12-31 $10.3B
2025-03-31 $9.6B
2025-06-30 $10.1B
2025-09-30 $10.6B
2025-12-31 $10.4B
2026-03-31 $9.8B
2026-06-30 $10.9B

Latest covered holdings and moves

Covered holdings as of June 30, 2026.

CompanyShare of portfolioValueSharesChange in shares
NVDANVIDIA Corporation8.64%$942.0m4.71M−1.1% Reduced
MSFTMicrosoft Corporation6.68%$727.7m1.95M+0.4%
AMZNAmazon5.68%$619.6m2.60M−0.1%
LLYLilly (Eli)3.54%$386.4m322.1K−1.3% Reduced
NVTnVent Electric plc3.19%$348.2m2.05M−0.7% Reduced
AAPLApple Inc.3.02%$329.4m1.14M−5.8% Reduced
JPMJPMorgan Chase2.77%$302.3m923.5K−12.4% Reduced
VVisa Inc.2.68%$292.3m852.0K+1.3% Added
GGGGraco Inc2.63%$287.1m3.80M−0.5%
LFUSLittelfuse Inc2.52%$274.2m602.1K−16.9% Reduced
TTCToro Co2.39%$260.7m2.68M−1.6% Reduced
ENTGEntegris Inc2.15%$234.1m1.30M−3.1% Reduced
UNHUnitedHealth Group2.13%$232.7m560.0K−24.4% Reduced
TSMTaiwan Semiconductor Manufacturing Co LTD2.09%$227.4m476.2K−2.1% Reduced
MSIMotorola Solutions2.08%$226.3m544.9K+0.8% Added
ECLEcolab1.99%$216.6m777.5K+2.1% Added
WECWEC Energy Group1.92%$208.8m1.79M−6.4% Reduced
PANWPalo Alto Networks1.88%$204.6m599.8K+12.6% Added
LNTAlliant Energy1.86%$202.8m2.66M−8.0% Reduced
TECHBio-Techne1.75%$190.8m2.70M−1.8% Reduced
METAMeta Platforms1.72%$187.5m332.9K+2.5% Added
FASTFastenal1.71%$185.9m3.87M−1.3% Reduced
SHWSherwin-Williams1.39%$151.7m440.6K+0.6% Added
CHRWC.H. Robinson1.33%$145.2m770.7K−9.1% Reduced
FULFuller H B Co1.30%$141.9m2.44M+3.1% Added
VZVerizon1.28%$139.4m3.29M−0.7% Reduced
WMWaste Management1.21%$131.7m591.0K+48.4% Added
ROKRockwell Automation1.17%$127.6m257.8K−9.1% Reduced
FISVFiserv1.03%$112.5m2.29M+6.5% Added
JNJJohnson & Johnson0.99%$107.4m423.0K−26.8% Reduced
AMPAmeriprise Financial0.90%$98.2m214.1K+8.6% Added
CGNXCognex Corp0.87%$94.7m1.31M+6.9% Added
HRLHormel Foods0.77%$84.3m3.40M−0.6% Reduced
CASYCasey's0.66%$72.4m91.1K−5.0% Reduced
WFCWells Fargo0.66%$72.1m872.2K−36.1% Reduced
AJGArthur J. Gallagher & Co.0.66%$71.5m311.5KNew
ABTAbbott Laboratories0.61%$66.2m729.4K+1.1% Added
TXNTexas Instruments0.59%$64.8m217.5K−5.9% Reduced
TNCTennant Co0.55%$59.7m681.8K−15.1% Reduced
ISRGIntuitive Surgical0.53%$58.2m146.5K+46.6% Added
MMM3M0.52%$56.6m349.4K−0.7% Reduced
HDThe Home Depot0.49%$53.8m152.5K−0.6% Reduced
TRVThe Travelers Companies0.47%$51.7m156.5K+9.9% Added
AXPAmerican Express0.45%$49.3m145.6K−2.2% Reduced
IDAIdacorp Inc0.43%$46.9m310.0K+2.9% Added
MEDPMedpace Holdings, Inc.0.42%$45.9m86.7K+1.2% Added
CMECME Group0.40%$43.2m195.6KNew
DCIDonaldson Co Inc0.38%$41.6m463.7K−7.1% Reduced
WKWorkiva Inc0.37%$40.2m829.5K+15.9% Added
PIPRPiper Sandler Companies0.36%$39.4m544.5K−0.3%
SFMSprouts Farmers Market, Inc.0.35%$38.2m451.8K+54.6% Added
PGProcter & Gamble0.33%$36.0m245.4K+0.8% Added
USBU.S. Bancorp0.31%$33.9m561.5K−6.7% Reduced
ZTSZoetis0.31%$33.6m467.5K+54.2% Added
QCOMQualcomm0.30%$33.2m179.8K−62.4% Reduced
XELXcel Energy0.29%$31.5m392.5K−2.4% Reduced
BSYBentley Systems Inc0.27%$29.0m970.1K+310.8% Added
ADPAutomatic Data Processing0.26%$28.5m127.2K+2.2% Added
MDTMedtronic0.26%$28.4m363.3K−9.6% Reduced
GNRCGenerac0.25%$27.3m93.4K−6.4% Reduced
HONAHoneywell Aerospace0.20%$22.1m100.0KNew
GLWCorning Inc.0.20%$21.8m85.4K−3.2% Reduced
TGTTarget Corporation0.19%$20.8m159.3K−5.7% Reduced
SCHWCharles Schwab Corporation0.18%$20.0m216.3K−12.7% Reduced
GOOGLAlphabet Inc. (Class A)0.18%$19.3m54.1K−2.9% Reduced
CATCaterpillar Inc.0.18%$19.3m18.1K−1.9% Reduced
DISThe Walt Disney Company0.15%$16.7m173.6K−27.6% Reduced
CLFDClearfield, Inc.0.14%$15.3m385.3K−47.4% Reduced
BMIBadger Meter Inc0.14%$14.8m99.5K−5.1% Reduced
PFGPrincipal Financial Group0.13%$14.6m135.3K−17.5% Reduced
AIRAAR Corp0.11%$12.0m83.9K−6.1% Reduced
PLXSPlexus Corp0.11%$11.8m39.3K−14.4% Reduced
ABBVAbbVie0.10%$11.2m44.7K−1.4% Reduced
AMBAAmbarella Inc0.10%$10.8m126.4K+7.5% Added
KNFKnife River Corp0.10%$10.7m128.4K−4.5% Reduced
HSYThe Hershey Company0.10%$10.7m61.0K−5.4% Reduced
ONBOLD National Bancorp0.09%$10.1m389.3K−10.1% Reduced
JBTMJBT Marel Corp0.09%$9.8m67.5K+14.2% Added
WTFCWintrust Financial Corp0.09%$9.4m58.7K+1.6% Added
EMREmerson Electric0.08%$9.1m63.2K−2.3% Reduced
QCRHQCR Holdings Inc0.08%$8.9m91.0K0.0%
PATKPatrick Industries Inc0.08%$8.5m94.8K+63.8% Added
ASBAssociated Banc-corp0.08%$8.3m270.0K0.0%
RDNTRadnet, Inc.0.07%$8.2m133.1K0.0%
AMATApplied Materials0.07%$8.0m11.0K−2.8% Reduced
BKHBlack Hills Corp0.07%$7.3m98.3K0.0%
LTHLife Time Group Holdings, Inc.0.07%$7.0m172.3K0.0%
CVXChevron Corporation0.06%$6.8m41.1K+5.5% Added
MRKMerck & Co.0.06%$6.6m51.5K+2.3% Added
CFRCullen/frost Bankers, Inc.0.06%$6.6m42.7K0.0%
ALRSAlerus Financial Corp0.06%$6.3m203.4K+156.1% Added
JHXJames Hardie Industries plc0.06%$6.3m240.7K0.0%
WWDWoodward, Inc.0.06%$6.0m14.0K0.0%
TREXTrex Co Inc0.05%$5.8m116.0K0.0%
HUBGHub Group, Inc.0.05%$5.7m129.9K−18.8% Reduced
SOLVSolventum0.05%$5.6m72.4K−0.1%
GBCIGlacier Bancorp, Inc.0.05%$5.5m106.2K0.0%
OSKOshkosh Corp0.05%$5.1m33.2K0.0%
CTASCintas0.04%$4.6m27.3K+21.5% Added
PNRPentair0.04%$4.4m57.0K−0.9% Reduced
KHCKraft Heinz0.04%$4.2m178.7K−43.6% Reduced
PIIPolaris Inc.0.04%$4.2m61.3K−1.9% Reduced
SYYSysco0.04%$4.1m48.5K−51.1% Reduced
MCDMcDonald's0.04%$3.8m14.1K−1.7% Reduced
NWENorthwestern Energy Group, Inc.0.03%$3.7m51.2K−40.5% Reduced
HWKNHawkins Inc0.03%$3.6m25.1K−3.1% Reduced
GEGE Aerospace0.03%$2.8m7.5K0.0%
COSTCostco0.03%$2.8m3.0K0.0%
COPConocoPhillips0.03%$2.7m25.8K−0.7% Reduced
NKENike, Inc.0.02%$2.6m63.8K−3.2% Reduced
APGApi Group Corp0.02%$2.5m58.0K0.0%
GISGeneral Mills0.02%$2.4m70.2K−27.6% Reduced
CSCOCisco0.02%$2.3m19.7K−0.5%
INTCIntel0.02%$2.0m14.5K+1.4% Added
ORCLOracle Corporation0.02%$2.0m13.6K−55.6% Reduced
KOThe Coca-Cola Company0.02%$1.9m23.5K+0.7% Added
XYLXylem Inc.0.02%$1.8m15.4K+9.7% Added
WMTWalmart0.02%$1.8m15.8K+0.6% Added
AMGNAmgen0.02%$1.8m4.9K−0.8% Reduced
PFEPfizer0.01%$1.6m67.7K−5.8% Reduced
RTXRTX Corporation0.01%$1.6m8.4K−1.4% Reduced
LOWLowe's0.01%$1.5m6.8K−0.3%
SOLSSolstice Advanced Materials Inc.0.01%$1.5m16.6K−25.2% Reduced
BMYBristol Myers Squibb0.01%$1.4m24.7K+2.0% Added
WABWabtec0.01%$1.4m5.2K0.0%
AVGOBroadcom0.01%$1.4m3.7K+3.7% Added
CIENCiena0.01%$1.4m2.8K0.0%
MGEEMGE Energy Inc0.01%$1.3m16.5KNew
SYKStryker Corporation0.01%$1.3m4.1K−2.0% Reduced
PEPPepsiCo0.01%$1.2m9.2K+2.2% Added
UPSUnited Parcel Service0.01%$1.2m11.5K−34.0% Reduced
SNASnap-on0.01%$1.2m3.0K−3.2% Reduced
BMOBank Of Montreal0.01%$1.2m6.7K0.0%
CMCanadian Imperial Bank Of Commerce0.01%$1.2m10.2K0.0%
VSATViasat Inc0.01%$1.2m13.0K0.0%
VCELVericel Corp0.01%$1.2m25.9K0.0%
PSXPhillips 660.01%$1.1m6.6K−0.8% Reduced
IDXXIdexx Laboratories0.01%$1.1m2.1K0.0%
BDXBecton Dickinson0.01%$1.1m7.1K0.0%
NEENextEra Energy0.01%$1.1m12.1K−1.4% Reduced
BACBank of America0.01%$1.1m18.6K−14.4% Reduced
KMBKimberly-Clark0.01%$1.0m9.6K−1.4% Reduced
IBMIBM0.01%$1.0m3.6K0.0%
AXGNAxogen, Inc.0.01%$1.0m22.0K0.0%
GEVGE Vernova0.01%$993,9328460.0%
AMDAdvanced Micro Devices0.01%$957,3401.6K−14.6% Reduced
UNPUnion Pacific Corporation0.01%$928,8803.4K−18.5% Reduced
IEXIDEX Corporation0.01%$907,8004.0K0.0%
BNYBNY Mellon0.01%$851,4645.9K0.0%
CBChubb Limited0.01%$836,8572.5K+0.7% Added
CompanyBought (value)Shares
AJGArthur J. Gallagher & Co.$71.5m311.5K
CMECME Group$43.2m195.6K
WMWaste Management$43.0m192.8K
PANWPalo Alto Networks$22.9m67.2K
HONAHoneywell Aerospace$22.1m100.0K
BSYBentley Systems Inc$21.9m734.0K
ISRGIntuitive Surgical$18.5m46.6K
SFMSprouts Farmers Market, Inc.$13.5m159.6K
ZTSZoetis$11.8m164.4K
AMPAmeriprise Financial$7.8m17.0K
FISVFiserv$6.9m140.2K
CGNXCognex Corp$6.1m84.0K
WKWorkiva Inc$5.5m113.9K
METAMeta Platforms$4.6m8.2K
TRVThe Travelers Companies$4.6m14.1K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanySold (value)Shares
UNHUnitedHealth Group−$75.3m−181.1K
LFUSLittelfuse Inc−$55.8m−122.6K
QCOMQualcomm−$55.1m−298.2K
JPMJPMorgan Chase−$42.8m−130.6K
WFCWells Fargo−$40.8m−493.7K
JNJJohnson & Johnson−$39.3m−154.6K
AAPLApple Inc.−$20.2m−70.0K
LNTAlliant Energy−$17.6m−231.1K
CHRWC.H. Robinson−$14.6m−77.5K
WECWEC Energy Group−$14.3m−122.8K
CLFDClearfield, Inc.−$13.8m−346.5K
ROKRockwell Automation−$12.7m−25.7K
NVDANVIDIA Corporation−$10.7m−53.6K
TNCTennant Co−$10.7m−121.7K
ENTGEntegris Inc−$7.5m−41.5K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanyValue last quarterShares
PATHUipath, Inc.$340,77030.7K
ULTAUlta Beauty$316,240605
SEICSEI Investments Co$258,9513.3K
ACNAccenture$243,6981.2K
UTHRUnited Therapeutics Corp$207,543350
MURMurphy OIL Corp$206,2505.0K
  • Technology34.5%
  • Industrials17.9%
  • Financials12.4%
  • Health Care11.7%
  • Consumer Discretionary6.9%
  • Materials5.2%
  • Utilities4.9%
  • Communication Services3.6%
  • Consumer Staples2.8%
  • Energy0.1%
  • Real Estate0.0%

Share of the value held in companies we cover, by sector.

PeriodCopy, a yearS&P 500SharpeS&P 500Biggest dropBeta
Whole backtestAugust 16, 2013 to November 2, 2026+12.4%+14.1%0.680.78−30.3%0.98
2018 onwardsJanuary 5, 2018 to November 2, 2026+12.1%+13.9%0.570.66−30.3%0.97
Last three yearsNovember 3, 2023 to November 2, 2026+18.5%+21.8%0.981.16−17.5%0.93
Last yearNovember 7, 2025 to November 2, 2026+18.1%+14.2%1.190.84−9.0%0.83

From SEC Form 13F data sets. A 13F lists long positions in US-listed shares at the quarter's end, filed up to 45 days later; it does not show shorts, cash, bonds, non-US holdings or trades within the quarter. Positions in companies outside our coverage are not listed here. Research, not investment advice.