MAIRS & POWER INC: APPLE (AAPL): Quarterly 13F Position History
As of Q1 2026, MAIRS & POWER INC reported 1,208,398 shares of APPLE (AAPL), worth $306.7M and representing 3.1% of its 13F equity book. Quarter-over-quarter share count change: 9,088 (-0.7%) . The position first appeared in Q1 2016 and has been disclosed across 41 13F-HR filings in Pactolio's tracked window.
- 1,208,398Shares Held (Latest Filing)
- $306.7MReported Market Value (Latest Filing)
- 3.1%Portfolio Weight (% of 13F Equity Book)
- 9,088Quarter-over-Quarter Share Change
- -$24.3MQuarter-over-Quarter Value Change
- 1,355,592Peak Reported Shares (Historical)
Quarterly 13F-HR Disclosure History Source: SEC 13F-HR filings, 41 quarter s
| Quarter | Shares | QoQ Share Change | Share Change (%) | Market Value | Weight | Implied Price |
|---|---|---|---|---|---|---|
| Q1 2026 | 1,208,398 | 9,088 | -0.7% | $306.7M | 3.1% | $253.8 |
| Q4 2025 | 1,217,486 | +34,743 | +2.9% | $331.0M | 3.2% | $271.9 |
| Q3 2025 | 1,182,743 | +40,175 | +3.5% | $301.2M | 2.8% | $254.6 |
| Q2 2025 | 1,142,568 | 213,024 | -15.7% | $234.4M | 2.3% | $205.2 |
| Q1 2025 | 1,355,592 | +2,006 | +0.1% | $301.1M | 3.1% | $222.1 |
| Q4 2024 | 1,353,586 | +6,373 | +0.5% | $339.0M | 3.3% | $250.4 |
| Q3 2024 | 1,347,213 | +44,013 | +3.4% | $313.9M | 3.0% | $233.0 |
| Q2 2024 | 1,303,200 | +347,651 | +36.4% | $274.5M | 2.7% | $210.6 |
| Q1 2024 | 955,549 | +370,649 | +63.4% | $163.9M | 1.6% | $171.5 |
| Q4 2023 | 584,900 | +434,396 | +288.6% | $112.6M | 1.2% | $192.5 |
| Q3 2023 | 150,504 | 219 | -0.1% | $25.8M | 0.3% | $171.2 |
| Q2 2023 | 150,723 | 3,186 | -2.1% | $29.2M | 0.3% | $194.0 |
| Q1 2023 | 153,909 | +17,036 | +12.4% | $25.4M | 0.3% | $164.9 |
| Q4 2022 | 136,873 | 714 | -0.5% | $17.8M | 0.2% | $129.9 |
| Q3 2022 | 137,587 | +2,978 | +2.2% | $19.0M | 0.2% | $138.2 |
| Q2 2022 | 134,609 | 3,415 | -2.5% | $18.4M | 0.2% | $136.7 |
| Q1 2022 | 138,024 | +837 | +0.6% | $24.1M | 0.2% | $174.6 |
| Q4 2021 | 137,187 | +290 | +0.2% | $24.4M | 0.2% | $177.6 |
| Q3 2021 | 136,897 | 2,428 | -1.7% | $19.4M | 0.2% | $141.5 |
| Q2 2021 | 139,325 | 7,690 | -5.2% | $19.1M | 0.2% | $137.0 |
| Q1 2021 | 147,015 | 2,817 | -1.9% | $18.0M | 0.2% | $122.2 |
| Q4 2020 | 149,832 | +8,958 | +6.4% | $19.9M | 0.2% | $132.7 |
| Q3 2020 | 140,874 | +104,122 | +283.3% | $16.3M | 0.2% | $115.8 |
| Q2 2020 | 36,752 | 390 | -1.1% | $13.4M | 0.2% | $364.8 |
| Q1 2020 | 37,142 | 1 | -0.0% | $9.4M | 0.1% | $254.3 |
| Q4 2019 | 37,143 | +1,892 | +5.4% | $10.9M | 0.1% | $293.6 |
| Q3 2019 | 35,251 | 1,949 | -5.2% | $7.9M | 0.1% | $224.0 |
| Q2 2019 | 37,200 | +4,049 | +12.2% | $7.4M | 0.1% | $197.9 |
| Q1 2019 | 33,151 | 652 | -1.9% | $6.3M | 0.1% | $189.9 |
| Q4 2018 | 33,803 | +895 | +2.7% | $5.3M | 0.1% | $157.7 |
| Q3 2018 | 32,908 | +250 | +0.8% | $7.4M | 0.1% | $225.8 |
| Q2 2018 | 32,658 | +1,470 | +4.7% | $6.0M | 0.1% | $185.1 |
| Q1 2018 | 31,188 | +13,696 | +78.3% | $5.2M | 0.1% | $167.8 |
| Q4 2017 | 17,492 | 165 | -0.9% | $3.0M | 0.0% | $169.2 |
| Q3 2017 | 17,657 | 79 | -0.4% | $2.7M | 0.0% | $154.1 |
| Q2 2017 | 17,736 | +1,242 | +7.5% | $2.6M | 0.0% | $144.0 |
| Q1 2017 | 16,494 | +1,298 | +8.5% | $2.4M | 0.0% | $143.7 |
| Q4 2016 | 15,196 | 41 | -0.3% | $1.8M | 0.0% | $115.8 |
| Q3 2016 | 15,237 | +10 | +0.1% | $1.7M | 0.0% | $113.1 |
| Q2 2016 | 15,227 | +105 | +0.7% | $1.5M | 0.0% | $95.6 |
| Q1 2016 | 15,122 | — | — | $1.6M | 0.0% | $109.0 |
Methodology & FAQ
How This Position History Is Sourced
Each row is one SEC Form 13F-HR filing disclosing this position. Share count, market value, and reported quarter are taken verbatim from the filing; portfolio weight is recomputed against the same filing's total reported equity book. Implied price-per-share is market value divided by shares — a quarter-end mark, not the manager's cost basis. See the full methodology document for the normalization rules.
When did MAIRS & POWER INC first disclose a AAPL position in 13F-HR filings?
MAIRS & POWER INC first reported APPLE (AAPL) on its 13F-HR filing for the period ending 2016-03-31 (Q1 2016). The position has appeared on 41 reported quarters within Pactolio's tracked window.
What was MAIRS & POWER INC's most recent quarter-over-quarter share-count change in AAPL?
Between Q4 2025 and Q1 2026, MAIRS & POWER INC reduced its AAPL position by 9,088 shares (-0.7%), leaving 1,208,398 shares at a market value of $306.7M.
Does the implied price-per-share represent MAIRS & POWER INC's cost basis in AAPL?
No. The implied price-per-share column is the 13F-HR reported market value divided by reported share count on the filing date (end of quarter). It is a quarter-end mark, not a cost basis or transaction price. Use it as a sanity check on the value column, not as an indicator of the manager's entry or exit price.