iRobot
IRBT
IRBT was delisted on the 19th of December, 2025.
242 hedge funds and large institutions have $2.02B invested in iRobot in 2017 Q4 according to their latest regulatory filings, with 53 funds opening new positions, 86 increasing their positions, 70 reducing their positions, and 50 closing their positions.
200% more funds holding in top 10
Funds holding in top 10: 1 → 3 (+2)
23% more repeat investments, than reductions
Existing positions increased: 86 | Existing positions reduced: 70
6% more capital invested
Capital invested by funds: $1.89B → $2.02B (+$123M)
5.36% more ownership
Funds ownership: 88.81% → 94.17% (+5.4%)
6% more first-time investments, than exits
New positions opened: 53 | Existing positions closed: 50
1% more funds holding
Funds holding: 240 → 242 (+2)
5% less call options, than puts
Call options by funds: $71.4M | Put options by funds: $75.2M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Primecap Management
Pasadena,
California
|
+$40M |
| 2 |
PAMU
Pictet Asset Management (UK)
London,
United Kingdom
|
+$33.8M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
+$29.4M |
| 4 |
JIM
Jupiter Investment Management
London,
United Kingdom
|
+$25.6M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
+$25.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
-$39M |
| 2 |
State Street
Boston,
Massachusetts
|
-$30.6M |
| 3 |
Renaissance Technologies
New York
|
-$26.4M |
| 4 |
JP Morgan Chase
New York
|
-$19.6M |
| 5 |
Fidelity Investments
Boston,
Massachusetts
|
-$18.8M |
IRBT Hedge Fund Activity: Q4 2017 in Review
242 of the 4,419 institutional investors tracked by Wall St. Rank reported a position in iRobot (IRBT) for Q4 2017, worth a combined $2.02B — up 6.5% from $1.89B a quarter earlier.
Buyers outnumbered sellers: 53 funds opened new IRBT positions and 50 closed out — a net gain of 3 holders — while 86 added to existing stakes and 70 trimmed.
The largest buyer was Primecap Management, adding an estimated $40M. The largest seller was Lord, Abbett & Co, exiting entirely with an estimated $39M sold.
- 242 institutional investors held iRobot (IRBT) as of Q4 2017, up from 240 in Q3 2017.
- Funds reported $2.02B of iRobot stock for Q4 2017, up 6.5% quarter-over-quarter.
- 53 funds opened new iRobot positions in Q4 2017 and 50 closed out, a net change of +3 holders.
- The largest iRobot buyer in Q4 2017 was Primecap Management, an estimated $40M added.
- The largest iRobot seller in Q4 2017 was Lord, Abbett & Co, an estimated $39M sold.
Based on aggregated 13F filings for Q4 2017.