← Back to all investors
William Frels - Mairs & Power
1121 trades  ·  901 closed  ·  220 open  ·  Win rate: 49.8%  ·  Avg return: +55.5%  ·  Median return: 0%
61 of these positions have a value-scale error in the underlying SEC filing (an entry or exit price ≥25× off the rest of the holding), so their return is unreliable. They are marked data error below and excluded from the stats above, but their quarter-by-quarter filing history is still attached — open History on any row to see it exactly as filed.
Showing 1–100 of 1,182 trades‹ Prev12312Next ›
Stock Entry
Quarter
Entry
Price
Exit
Quarter
Exit / Current
Price
Return Status Filings
NVDA - NVIDIA Corp.
Q2 2019 $4.11 Open $211.80 +5,058.62% Open History
CAT - Caterpillar Inc.
Q3 2009 $51.33 Open $933.34 +1,718.31% Open History
LLY - Eli Lilly and Co.
Q2 2003 $68.97 Open $1,152.54 +1,571.07% Open History
DCI - Donaldson Co., Inc.
Q3 1999 $5.80 Open $89.73 +1,447.74% Open History
AMAT - Applied Materials, Inc.
Q1 2017 $38.95 Open $595.70 +1,429.40% Open History
CASY - Casey's General Stores, Inc.
Q2 2012 $59.01 Open $847.19 +1,335.67% Open History
AMZN - Amazon.com, Inc.
Q4 2013 $19.95 Open $247.49 +1,140.55% Open History
HWKN - Hawkins, Inc.
Q2 2009 $11.29 Open $138.24 +1,124.45% Open History
GOOG - Alphabet Inc.
Q3 2015 $30.40 Open $357.33 +1,075.58% Open History
GOOGL - Alphabet Inc.
Q3 2015 $31.90 Open $359.51 +1,026.85% Open History
IDXX - IDEXX Laboratories, Inc.
Q4 2013 $53.21 Open $540.68 +916.12% Open History
V - Visa Inc.
Q4 2012 $37.89 Open $356.02 +839.74% Open History
GE - GE Aerospace
Q3 2022 $38.55 Open $353.73 +817.68% Open History
MSFT - Microsoft Corp.
Q3 1999 $45.28 Open $384.93 +750.11% Open History
COST - Costco Wholesale Corp.
Q2 2013 $110.38 Open $921.75 +735.07% Open History
GLW - Corning Inc.
Q3 1999 $22.85 Open $187.64 +721.06% Open History
SNA - Snap-on Inc.
Q4 2011 $50.63 Open $404.62 +699.17% Open History
PLM - Polymet Mining Corp
Q2 2019 $0.43 Q4 2020 $3.41 +693.02% Closed History
PVTB - PrivateBancorp Inc
Q3 2011 $7.52 Q1 2017 $59.39 +689.76% Closed History
BRK.B - Berkshire Hathaway CL B
Q4 2009 $65.73 Open $491.09 +647.13% Open History
BMI - Badger Meter, Inc.
Q3 2009 $19.35 Open $141.46 +631.25% Open History
HSY - The Hershey Co.
Q3 1999 $24.35 Open $171.46 +604.29% Open History
ADP - Automatic Data Processing, Inc.
Q3 1999 $35.39 Open $246.44 +596.27% Open History
OSK - Oshkosh Corp.
Q2 2012 $20.94 Open $145.75 +596.04% Open History
CSCO - Cisco Systems, Inc.
Q1 2002 $16.93 Open $117.09 +591.61% Open History
NVT - nVent Electric plc
Q2 2018 $25.10 Open $161.78 +544.54% Open History
WMT - Walmart Inc.
Q2 2003 $17.89 Open $113.70 +535.55% Open History
GEV - GE Vernova Inc.
Q2 2024 $171.51 Open $1,066.01 +521.54% Open History
NSC - Norfolk Southern Corp.
Q2 2010 $53.05 Open $326.83 +516.08% Open History
PSX - Phillips 66
Q2 2012 $33.24 Open $201.45 +506.05% Open History
ABBV - AbbVie Inc.
Q1 2013 $40.78 Open $244.78 +500.25% Open History
IWD - iShares Russell 1000 Value ETF
Q3 2025 $42.18 Open $246.37 +484.09% Open History
SCHB - Schwab U.S. Broad Market ETF
Q4 2010 $5.06 Open $29.07 +474.13% Open History
OKLO - Oklo Inc.
Q3 2024 $8.09 Open $46.24 +471.57% Open History
AMP - Ameriprise Financial, Inc.
Q3 2013 $90.91 Open $518.60 +470.45% Open History
MTSC - MTS Systems
Q3 1999 $10.38 Q1 2021 $58.22 +460.89% Closed History
JNJ - Johnson & Johnson
Q3 1999 $45.94 Open $253.85 +452.63% Open History
CIEN - Ciena Corp.
Q2 2025 $81.33 Open $446.93 +449.53% Open History
ABT - Abbott Laboratories
Q3 1999 $16.47 Open $88.96 +440.13% Open History
QCOM - QUALCOMM Inc.
Q1 2004 $33.15 Open $178.10 +437.34% Open History
COP - ConocoPhillips
Q2 2003 $20.89 Open $111.87 +435.58% Open History
HAINX - Growth Fund of America
Q2 2006 $13.80 Q2 2007 $70.54 +411.16% Closed History
LOW - Lowe's Companies, Inc.
Q2 2013 $40.95 Open $207.68 +407.16% Open History
DGII - Digi International Inc.
Q3 2018 $13.45 Open $67.63 +402.83% Open History
ORCL - Oracle Corp.
Q4 2011 $25.70 Open $127.94 +397.82% Open History
WWD - Woodward, Inc.
Q3 2022 $80.29 Open $397.89 +395.57% Open History
XLK - State Street Technology Select Sector SPDR ETF
Q1 2019 $37.07 Open $183.62 +395.40% Open History
VSAT - Viasat, Inc.
Q2 2025 $14.60 Open $69.84 +378.36% Open History
SCHW - The Charles Schwab Corp.
Q2 2013 $21.23 Open $101.10 +376.21% Open History
CRAY - Cray Inc
Q1 2012 $7.32 Q2 2019 $34.82 +375.68% Closed History
QMED - Qmed Inc
Q4 2008 $0.88 Q1 2010 $4.18 +375.00% Closed History
WTFC - Wintrust Financial Corp.
Q2 2012 $35.48 Open $162.36 +357.61% Open History
TMO - Thermo Fisher Scientific Inc.
Q1 2014 $120.42 Open $534.07 +343.51% Open History
BRK.A - Berkshire Hathaway CL A
Q3 2013 $170,333.33 Open $737,000.00 +332.68% Open History
CI - The Cigna Group
Q3 2012 $47.11 Q4 2017 $203.11 +331.14% Closed History
EMR - Emerson Electric Co.
Q3 1999 $31.60 Open $136.09 +330.73% Open History
OXY - Occidental Petroleum Corp.
Q3 2003 $16.88 Q3 2011 $68.56 +306.24% Closed History
CVX - Chevron Corp.
Q4 2001 $44.81 Open $181.76 +305.67% Open History
MUR - Murphy Oil Corp.
Q3 1999 $11.67 Q1 2015 $46.60 +299.28% Closed History
META - Meta Platforms, Inc.
Q1 2019 $166.92 Open $661.04 +296.02% Open History
RGR - Sturm, Ruger & Co., Inc.
Q3 1999 $24.06 Q4 2014 $92.62 +284.89% Closed History
CHRW - C.H. Robinson Worldwide, Inc.
Q3 2008 $52.26 Open $199.61 +281.93% Open History
GNRC - Generac Holdings Inc.
Q1 2014 $58.96 Open $225.12 +281.82% Open History
QQQ - Invesco QQQ Trust
Q1 2020 $190.59 Open $719.71 +277.62% Open History
AMD - Advanced Micro Devices, Inc.
Q4 2023 $147.41 Open $548.13 +271.84% Open History
PLXS - Plexus Corp.
Q2 2020 $70.57 Open $260.36 +268.94% Open History
DAKT - Daktronics, Inc.
Q3 2022 $2.70 Q1 2024 $9.96 +268.89% Closed History
APOG - Apogee Enterprises, Inc
Q3 2011 $8.61 Q4 2020 $31.68 +267.94% Closed History
WFC - Wells Fargo & Co.
Q2 2001 $23.22 Open $85.29 +267.39% Open History
XOM - ExxonMobil Holdings Corp.
Q4 1999 $40.28 Open $145.09 +260.20% Open History
BNI - Burlington Northern
Q3 1999 $27.50 Q4 2009 $98.62 +258.62% Closed History
TGT - Target Corp.
Q1 2000 $37.38 Open $134.00 +258.53% Open History
KO - The Coca-Cola Co.
Q2 2003 $23.21 Open $83.08 +258.03% Open History
CLF - Cleveland-Cliffs Inc.
Q4 2015 $1.60 Q2 2016 $5.70 +256.25% Closed History
MA - Mastercard Inc.
Q4 2017 $151.32 Open $538.02 +255.55% Open History
PANW - Palo Alto Networks, Inc.
Q1 2023 $99.87 Open $352.89 +253.35% Open History
GPC - Genuine Parts Co.
Q3 1999 $26.56 Q1 2015 $93.21 +250.94% Closed History
AVGO - Broadcom Inc.
Q4 2023 $111.63 Open $389.11 +248.59% Open History
PM - Philip Morris International Inc.
Q1 2008 $50.58 Open $175.95 +247.86% Open History
MRK - Merck & Co., Inc.
Q4 2009 $34.87 Open $120.78 +246.41% Open History
VASC - Vascular Solutions
Q1 2013 $16.22 Q4 2016 $56.10 +245.87% Closed History
MEDP - Medpace Holdings, Inc.
Q3 2022 $157.18 Open $536.17 +241.12% Open History
VAP - Valspar
Q3 1999 $32.69 Q1 2017 $110.94 +239.37% Closed History
PLUG - Plug Power Inc.
Q2 2019 $2.27 Q3 2023 $7.60 +234.80% Closed History
UNP - Union Pacific Corp.
Q2 2016 $87.22 Open $288.30 +230.54% Open History
BMS - Bemis
Q3 1999 $16.94 Q1 2019 $55.48 +227.61% Closed History
MMM - 3M Co.
Q1 2002 $48.08 Open $156.58 +225.66% Open History
MSI - Motorola Solutions, Inc.
Q3 2018 $130.14 Open $413.71 +217.90% Open History
RTX - RTX Corp.
Q2 2020 $61.63 Open $193.39 +213.79% Open History
PG - The Procter & Gamble Co.
Q3 1999 $46.88 Open $146.08 +211.64% Open History
AXGN - Axogen, Inc.
Q3 2019 $12.47 Open $38.77 +210.91% Open History
WK - Workiva Inc.
Q4 2015 $17.57 Open $53.69 +205.58% Open History
VCEL - Vericel Corp.
Q3 2019 $15.10 Open $46.09 +205.23% Open History
TECH - Bio-Techne Corp.
Q3 2014 $23.39 Open $71.23 +204.56% Open History
PEP - PepsiCo, Inc.
Q2 2003 $44.50 Open $135.45 +204.38% Open History
IFF - International Flavors & Fragrances Inc.
Q4 2009 $41.14 Q3 2019 $122.87 +198.69% Closed History
LNT - Alliant Energy Corp.
Q4 2013 $25.79 Open $76.31 +195.89% Open History
MU - Micron Technology, Inc.
Q1 2026 $337.84 Open $983.12 +191.00% Open History
INTC - Intel Corp.
Q3 1999 $37.16 Open $107.76 +190.03% Open History
FDX - FedEx Corp.
Q2 2009 $44.82 Q4 2018 $129.90 +189.84% Closed History
Entry/exit prices and returns are split-adjusted to today's share basis. The quarter-by-quarter history shows prices exactly as filed with the SEC, so a pre-split quarter's price will look higher than the split-adjusted entry above.
Showing 1–100 of 1,182 trades‹ Prev12312Next ›