iRobot
IRBT
IRBT was delisted on the 19th of December, 2025.
238 hedge funds and large institutions have $1.59B invested in iRobot in 2018 Q1 according to their latest regulatory filings, with 41 funds opening new positions, 82 increasing their positions, 70 reducing their positions, and 39 closing their positions.
17% more repeat investments, than reductions
Existing positions increased: 82 | Existing positions reduced: 70
5% more first-time investments, than exits
New positions opened: 41 | Existing positions closed: 39
1% less funds holding
Funds holding: 241 → 238 (-3)
5.29% less ownership
Funds ownership: 93.72% → 88.43% (-5.3%)
16% less call options, than puts
Call options by funds: $36.9M | Put options by funds: $43.9M
21% less capital invested
Capital invested by funds: $2.01B → $1.59B (-$421M)
33% less funds holding in top 10
Funds holding in top 10: 3 → 2 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Primecap Management
Pasadena,
California
|
+$43.3M |
| 2 |
Ameriprise
Minneapolis,
Minnesota
|
+$38.9M |
| 3 |
CS
Credit Suisse
Zurich,
Switzerland
|
+$29.9M |
| 4 |
Legal & General Group
London,
United Kingdom
|
+$29.2M |
| 5 |
VOYA Investment Management
Atlanta,
Georgia
|
+$23.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JIM
Jupiter Investment Management
London,
United Kingdom
|
-$52.9M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
-$51.6M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
-$32.8M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$27.5M |
| 5 |
Capital Fund Management (CFM)
Paris,
France
|
-$26.9M |
IRBT Hedge Fund Activity: Q1 2018 in Review
238 of the 4,364 institutional investors tracked by Wall St. Rank reported a position in iRobot (IRBT) for Q1 2018, worth a combined $1.59B — down 21% from $2.01B a quarter earlier.
Buyers outnumbered sellers: 41 funds opened new IRBT positions and 39 closed out — a net gain of 2 holders — while 82 added to existing stakes and 70 trimmed.
The largest buyer was Primecap Management, adding an estimated $43.3M. The largest seller was Jupiter Investment Management, exiting entirely with an estimated $52.9M sold.
- 238 institutional investors held iRobot (IRBT) as of Q1 2018, down from 241 in Q4 2017.
- Funds reported $1.59B of iRobot stock for Q1 2018, down 21% quarter-over-quarter.
- 41 funds opened new iRobot positions in Q1 2018 and 39 closed out, a net change of +2 holders.
- The largest iRobot buyer in Q1 2018 was Primecap Management, an estimated $43.3M added.
- The largest iRobot seller in Q1 2018 was Jupiter Investment Management, an estimated $52.9M sold.
Based on aggregated 13F filings for Q1 2018.