Mairs and Power's MDY Position Overview
Mairs and Power (via Mairs & Power INC) currently holds 819 shares of State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) worth $505,203, representing 0.01% of the portfolio. First purchased in 2015-Q3, this medium-term investment has been held for 19 quarters.
Based on 13F filings, Mairs and Power has maintained a strategic position in MDY, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2024, adding 985 shares. Largest reduction occurred in Q4 2016, reducing 1,080 shares.
Analysis based on 13F filings available since 2013 Q2
Mairs and Power's State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) Holding Value Over Time
Track share changes against reported price movement
Quarterly State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) Trades by Mairs and Power
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +819 | New Buy | 819 | $616.85 |
| Q4 2025 | -1,064 | Sold Out | 0 | $0.00 |
| Q3 2025 | +199 | Add 23.01% | 1,064 | $596.10 |
| Q2 2025 | +865 | New Buy | 865 | $566.48 |
| Q1 2025 | -1,035 | Sold Out | 0 | $0.00 |
| Q4 2024 | +200 | Add 23.95% | 1,035 | $569.58 |
| Q3 2024 | -150 | Reduce 15.23% | 835 | $569.66 |
| Q2 2024 | +985 | New Buy | 985 | $535.08 |
| Q2 2021 | -437 | Sold Out | 0 | $0.00 |
| Q1 2021 | -97 | Reduce 18.16% | 437 | $475.97 |
| Q4 2020 | -245 | Reduce 31.45% | 534 | $419.48 |
| Q3 2020 | +25 | Add 3.32% | 779 | $338.90 |
| Q2 2020 | +754 | New Buy | 754 | $324.93 |
| Q4 2016 | -1,080 | Sold Out | 0 | $0.00 |
| Q2 2016 | -570 | Reduce 34.55% | 1,080 | $272.22 |
| Q1 2016 | +555 | Add 50.68% | 1,650 | $262.42 |
| Q4 2015 | -700 | Reduce 39.00% | 1,095 | $253.88 |
| Q3 2015 | +1,795 | New Buy | 1,795 | $249.03 |
Mairs and Power's State Street SPDR S&P MIDCAP 400 ETF Trust Investment FAQs
Mairs and Power first purchased State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) in Q3 2015, acquiring 1,795 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mairs and Power has held State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) for 19 quarters since Q3 2015.
Mairs and Power's largest addition to State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) was in Q3 2015, adding 1,795 shares worth $447,000.
According to the latest 13F filing for Q1 2026, Mairs and Power's firm, Mairs & Power INC, owns 819 shares of State Street SPDR S&P MIDCAP 400 ETF Trust (MDY), valued at approximately $505,203.
As of the Q1 2026 filing, State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) represents approximately 0.01% of Mairs and Power's publicly disclosed stock portfolio, making it one of their key holdings.
Mairs and Power's peak holding in State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) was 1,795 shares, as reported at the end of Q3 2015.