DONALDSON CO INC (DCI) Stock Institutional Trading Activity
DONALDSON CO INC (DCI) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Mairs & Power Growth Fund, Jensen Investment Management, First Eagle U.S. Value, Sequoia Financial Advisors, and Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- DONALDSON CO INC (DCI) stock institutional ownership
- DONALDSON CO INC (DCI) stock insider trading activity
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q4 2013 | Mairs & Power Growth Fund | Buy | 116,688 | 4,253,337 | $184,850 |
| Q4 2013 | Vulcan Value Partners | Buy | 69,468 | 450,335 | $19,572 |
| Q4 2013 | Renaissance Technologies LLC | Sell | -173,602 | 495,998 | $21,556 |
| Q3 2013 | Mairs & Power Growth Fund | Buy | 217,695 | 4,136,649 | $157,730 |
| Q3 2013 | Vulcan Value Partners | Sell | -86,087 | 380,867 | $14,522 |
| Q3 2013 | Renaissance Technologies LLC | Buy | 669,600 | 669,600 | $25,532 |
| Q2 2013 | Mairs & Power Growth Fund | Buy | 3,918,954 | 3,918,954 | $139,750 |
| Q2 2013 | Vulcan Value Partners | Buy | 466,954 | 466,954 | $16,652 |
Frequently asked questions about DCI activity
Which institutional owners are buying DCI?
Institutional owners buying DCI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in DCI activity?
"Buy" means an investor increased their reported position in DCI compared to the prior reporting period. This reflects growing exposure to DONALDSON CO INC (DCI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in DCI increasing?
Institutional interest in DCI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.