Andrew R. Adams - Mairs & Power Growth Fund Portfolio

Period Date  Mar 31, 2025
Filing Date  May 15, 2025
Total Stocks  221
Portfolio Value  $9.61B

Mairs & Power Growth Fund Strategy Analysis

Investment Strategy Metrics

Key metrics revealing investment style, risk management, and performance characteristics

MetricValueCategoryDescription
Holding Period2.1 yearsStyleAverage duration positions are maintained
Position Count161StyleNumber of active positions in portfolio
Position Size0.7%RiskTypical allocation per position
Win Rate47.0%PerformancePercentage of profitable positions
Average Return5.7%PerformanceMean return across positions
Sharpe Ratio0.04PerformanceReturn per unit of risk taken

Investment Case Study: Microsoft (MSFT)

6/30/2013 - 8/6/2025

Performance Metrics

Total Return: 685.27%

Holding Period: 4420 days

Max Position Size: $268,978.00

Position Weight: 0.72%

Key Events

6/30/2013: ENTRY(243,922.00 shares) @ $0.03
9/30/2013: DECREASE(-58,024.00 shares) @ $0.03
12/31/2013: INCREASE(8,056.00 shares) @ $0.04
3/31/2014: DECREASE(-1,558.00 shares) @ $0.04
6/30/2014: DECREASE(-16,849.00 shares) @ $0.04
9/30/2014: DECREASE(-3,569.00 shares) @ $0.05
12/31/2014: DECREASE(-7,675.00 shares) @ $0.05
3/31/2015: INCREASE(1,714.00 shares) @ $0.04
6/30/2015: DECREASE(-5,160.00 shares) @ $0.04
9/30/2015: DECREASE(-572.00 shares) @ $0.04
12/31/2015: DECREASE(-628.00 shares) @ $0.06
3/31/2016: DECREASE(-2,473.00 shares) @ $0.06
6/30/2016: DECREASE(-1,380.00 shares) @ $0.05
9/30/2016: DECREASE(-3,332.00 shares) @ $0.06
12/31/2016: DECREASE(-4,154.00 shares) @ $0.06
3/31/2017: INCREASE(2,492.00 shares) @ $0.07
6/30/2017: INCREASE(521.00 shares) @ $0.07
9/30/2017: INCREASE(2,038.00 shares) @ $0.07
12/31/2017: DECREASE(-3,980.00 shares) @ $0.09
3/31/2018: INCREASE(665,795.00 shares) @ $0.09
6/30/2018: INCREASE(342,127.00 shares) @ $0.10
9/30/2018: INCREASE(143,160.00 shares) @ $0.11
12/31/2018: INCREASE(181,207.00 shares) @ $0.10
3/31/2019: INCREASE(161,671.00 shares) @ $0.12
6/30/2019: INCREASE(41,425.00 shares) @ $0.13
9/30/2019: INCREASE(14,081.00 shares) @ $0.14
12/31/2019: INCREASE(6,774.00 shares) @ $0.16

Investment Thesis

Entry Context: Initial position established based on fundamental analysis

Sector Conditions: Favorable market conditions in the sector

Risk Factors:
  • Market volatility
  • Sector-specific risks

Key Learnings

  • Position sizing is critical for portfolio management
  • Important to monitor sector exposure

Sector Allocations