iRobot
IRBT
IRBT was delisted on the 19th of December, 2025.
183 hedge funds and large institutions have $803M invested in iRobot in 2015 Q4 according to their latest regulatory filings, with 42 funds opening new positions, 61 increasing their positions, 48 reducing their positions, and 13 closing their positions.
223% more first-time investments, than exits
New positions opened: 42 | Existing positions closed: 13
77% more call options, than puts
Call options by funds: $25.1M | Put options by funds: $14.2M
31% more capital invested
Capital invested by funds: $611M → $803M (+$192M)
27% more repeat investments, than reductions
Existing positions increased: 61 | Existing positions reduced: 48
18% more funds holding
Funds holding: 155 → 183 (+28)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CWAM
Columbia Wanger Asset Management
Chicago,
Illinois
|
+$40.6M |
| 2 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
+$13.2M |
| 3 |
GC
Guggenheim Capital
Chicago,
Illinois
|
+$11.9M |
| 4 |
SAM
Shell Asset Management
The Hague,
Netherlands
|
+$11M |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
+$10.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
-$33M |
| 2 |
Lazard Asset Management
New York
|
-$11.6M |
| 3 |
KCM
Kennedy Capital Management
St Louis,
Missouri
|
-$7.4M |
| 4 |
UOC
UBS O'Connor
Chicago,
Illinois
|
-$4.47M |
| 5 |
Invesco
Atlanta,
Georgia
|
-$3.02M |
IRBT Hedge Fund Activity: Q4 2015 in Review
183 of the 3,813 institutional investors tracked by Wall St. Rank reported a position in iRobot (IRBT) for Q4 2015, worth a combined $803M — up 31% from $611M a quarter earlier.
Buyers outnumbered sellers: 42 funds opened new IRBT positions and 13 closed out — a net gain of 29 holders — while 61 added to existing stakes and 48 trimmed.
The largest buyer was Columbia Wanger Asset Management, opening a new position worth an estimated $40.6M. The largest seller was Wellington Management Group, cutting an estimated $33M.
- 183 institutional investors held iRobot (IRBT) as of Q4 2015, up from 155 in Q3 2015.
- Funds reported $803M of iRobot stock for Q4 2015, up 31% quarter-over-quarter.
- 42 funds opened new iRobot positions in Q4 2015 and 13 closed out, a net change of +29 holders.
- The largest iRobot buyer in Q4 2015 was Columbia Wanger Asset Management, an estimated $40.6M added.
- The largest iRobot seller in Q4 2015 was Wellington Management Group, an estimated $33M sold.
Based on aggregated 13F filings for Q4 2015.