Mairs and Power's IDXX Position Overview
Mairs and Power (via Mairs & Power INC) currently holds 2,144 shares of IDEXX Laboratories, Inc. (IDXX) worth $1.37 M, representing 0.01% of the portfolio. First purchased in 2013-Q4, this long-term strategic position has been held for 48 quarters.
Based on 13F filings since 2013, Mairs and Power has maintained a long-term strategic position in IDXX, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2017, adding 600 shares. Largest reduction occurred in Q2 2014, reducing 4,000 shares.
Analysis based on 13F filings available since 2013 Q2
Mairs and Power's IDEXX Laboratories (IDXX) Holding Value Over Time
Track share changes against reported price movement
Quarterly IDEXX Laboratories (IDXX) Trades by Mairs and Power
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2013 | +9,998 | New Buy | 9,998 | $53.21 |
| Q2 2014 | -4,000 | Reduce 40.01% | 5,998 | $66.86 |
| Q3 2014 | +400 | Add 6.67% | 6,398 | $58.92 |
| Q4 2014 | -2,000 | Reduce 31.26% | 4,398 | $74.12 |
| Q2 2015 | -400 | Reduce 9.10% | 3,998 | $64.03 |
| Q1 2017 | +600 | Add 15.01% | 4,598 | $154.63 |
| Q4 2017 | -300 | Reduce 6.52% | 4,298 | $156.35 |
| Q4 2018 | -900 | Reduce 20.94% | 3,398 | $185.99 |
| Q3 2019 | -4 | Reduce 0.12% | 3,394 | $271.95 |
| Q4 2019 | +26 | Add 0.77% | 3,420 | $261.11 |
| Q3 2020 | -3 | Reduce 0.09% | 3,417 | $393.03 |
| Q4 2020 | -13 | Reduce 0.38% | 3,404 | $500.00 |
| Q4 2021 | -14 | Reduce 0.41% | 3,390 | $658.41 |
| Q1 2022 | +128 | Add 3.78% | 3,518 | $547.19 |
| Q2 2022 | +79 | Add 2.25% | 3,597 | $350.85 |
| Q3 2022 | -94 | Reduce 2.61% | 3,503 | $325.72 |
| Q4 2022 | -408 | Reduce 11.65% | 3,095 | $407.96 |
| Q1 2023 | -267 | Reduce 8.63% | 2,828 | $500.08 |
| Q4 2023 | -51 | Reduce 1.80% | 2,777 | $555.05 |
| Q1 2024 | -195 | Reduce 7.02% | 2,582 | $539.93 |
| Q2 2024 | -80 | Reduce 3.10% | 2,502 | $487.20 |
| Q4 2024 | -100 | Reduce 4.00% | 2,402 | $413.44 |
| Q1 2025 | -96 | Reduce 4.00% | 2,306 | $419.95 |
| Q2 2025 | -82 | Reduce 3.56% | 2,224 | $536.34 |
| Q3 2025 | -80 | Reduce 3.60% | 2,144 | $638.89 |
Mairs and Power's IDEXX Laboratories Investment FAQs
Mairs and Power first purchased IDEXX Laboratories, Inc. (IDXX) in Q4 2013, acquiring 9,998 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 IDEXX Laboratories, Inc. (IDXX) for 48 quarters since Q4 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mairs and Power's largest addition to IDEXX Laboratories, Inc. (IDXX) was in Q4 2013, adding 9,998 shares worth $532,000. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Mairs and Power's firm, Mairs & Power INC, owns 2,144 shares of IDEXX Laboratories, Inc. (IDXX), valued at approximately $1.37 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, IDEXX Laboratories, Inc. (IDXX) represents approximately 0.01% of Mairs and Power's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mairs and Power's peak holding in IDEXX Laboratories, Inc. (IDXX) was 9,998 shares, as reported at the end of Q4 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.