(IRBT) Stock Institutional Trading Activity
(IRBT) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Disciplined Growth Investors, ARK Invest, Fairfax Financial Holdings, and Tiger Global Management. 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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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2015 | Disciplined Growth Investors | Buy | 108,875 | 363,800 | $11,871 |
| Q4 2014 | Disciplined Growth Investors | Sell | -7,025 | 254,925 | $8,851 |
| Q3 2014 | Disciplined Growth Investors | Sell | -53,300 | 261,950 | $7,976 |
| Q2 2014 | Tiger Global Management | Buy | 602,681 | 602,681 | $24,680 |
| Q2 2014 | Disciplined Growth Investors | Sell | -8,250 | 315,250 | $10,961 |
| Q1 2014 | Renaissance Technologies LLC | Buy | 97,373 | 186,073 | $7,638 |
| Q1 2014 | Disciplined Growth Investors | Buy | 4,275 | 323,500 | $8,301 |
| Q4 2013 | Renaissance Technologies LLC | Buy | 88,700 | 88,700 | $3,084 |
| Q4 2013 | Disciplined Growth Investors | Sell | -3,375 | 319,225 | $11,099 |
| Q3 2013 | Disciplined Growth Investors | Sell | -1,525 | 322,600 | $12,144 |
| Q2 2013 | Disciplined Growth Investors | Buy | 324,125 | 324,125 | $12,890 |
Frequently asked questions about IRBT activity
Which institutional owners are buying IRBT?
Institutional owners buying IRBT 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 IRBT activity?
"Buy" means an investor increased their reported position in IRBT compared to the prior reporting period. This reflects growing exposure to IRBT rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in IRBT increasing?
Institutional interest in IRBT 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.