iRobot
IRBT
IRBT was delisted on the 19th of December, 2025.
263 hedge funds and large institutions have $1.62B invested in iRobot in 2021 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 62 increasing their positions, 106 reducing their positions, and 48 closing their positions.
1% more ownership
Funds ownership: 90.48% → 91.48% (+1%)
4% less first-time investments, than exits
New positions opened: 46 | Existing positions closed: 48
1% less funds holding
Funds holding: 266 → 263 (-3)
18% less capital invested
Capital invested by funds: $1.99B → $1.62B (-$367M)
42% less repeat investments, than reductions
Existing positions increased: 62 | Existing positions reduced: 106
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
51% less call options, than puts
Call options by funds: $104M | Put options by funds: $215M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$8.13M |
| 2 |
Morgan Stanley
New York
|
+$7.76M |
| 3 |
Legal & General Group
London,
United Kingdom
|
+$5.66M |
| 4 |
VIA
Vident Investment Advisory
Alpharetta,
Georgia
|
+$4.57M |
| 5 |
Voloridge Investment Management
Jupiter,
Florida
|
+$4.46M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Primecap Management
Pasadena,
California
|
-$16.2M |
| 2 |
GLA
Great Lakes Advisors
Chicago,
Illinois
|
-$12.9M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$12.3M |
| 4 |
BlackRock
New York
|
-$11.3M |
| 5 |
PAMS
Pictet Asset Management (Switzerland)
Geneva 73,
Switzerland
|
-$8.82M |
IRBT Hedge Fund Activity: Q4 2021 in Review
263 of the 6,499 institutional investors tracked by Wall St. Rank reported a position in iRobot (IRBT) for Q4 2021, worth a combined $1.62B — down 18% from $1.99B a quarter earlier.
Sellers outnumbered buyers: 48 funds closed out of IRBT and 46 opened new positions — a net loss of 2 holders — while 106 trimmed existing stakes and 62 added.
The largest buyer was Wellington Management Group, opening a new position worth an estimated $8.13M. The largest seller was Primecap Management, cutting an estimated $16.2M.
- 263 institutional investors held iRobot (IRBT) as of Q4 2021, down from 266 in Q3 2021.
- Funds reported $1.62B of iRobot stock for Q4 2021, down 18% quarter-over-quarter.
- 46 funds opened new iRobot positions in Q4 2021 and 48 closed out, a net change of -2 holders.
- The largest iRobot buyer in Q4 2021 was Wellington Management Group, an estimated $8.13M added.
- The largest iRobot seller in Q4 2021 was Primecap Management, an estimated $16.2M sold.
Based on aggregated 13F filings for Q4 2021.