iRobot
IRBT
IRBT was delisted on the 19th of December, 2025.
233 hedge funds and large institutions have $2.2B invested in iRobot in 2018 Q2 according to their latest regulatory filings, with 33 funds opening new positions, 81 increasing their positions, 63 reducing their positions, and 37 closing their positions.
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
39% more capital invested
Capital invested by funds: $1.59B → $2.2B (+$619M)
29% more repeat investments, than reductions
Existing positions increased: 81 | Existing positions reduced: 63
16.24% more ownership
Funds ownership: 88.43% → 104.67% (+16%)
2% less funds holding
Funds holding: 238 → 233 (-5)
11% less first-time investments, than exits
New positions opened: 33 | Existing positions closed: 37
58% less call options, than puts
Call options by funds: $79.1M | Put options by funds: $190M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Primecap Management
Pasadena,
California
|
+$173M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$117M |
| 3 |
Goldman Sachs
New York
|
+$15.9M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
+$15.8M |
| 5 |
Morgan Stanley
New York
|
+$13.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$39.3M |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$13.6M |
| 3 |
Renaissance Technologies
New York
|
-$11.7M |
| 4 |
MWNA
Marshall Wace North America
New York
|
-$10.5M |
| 5 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$7.44M |
IRBT Hedge Fund Activity: Q2 2018 in Review
233 of the 4,369 institutional investors tracked by Wall St. Rank reported a position in iRobot (IRBT) for Q2 2018, worth a combined $2.2B — up 39% from $1.59B a quarter earlier.
Sellers outnumbered buyers: 37 funds closed out of IRBT and 33 opened new positions — a net loss of 4 holders — while 63 trimmed existing stakes and 81 added.
The largest buyer was Primecap Management, adding an estimated $173M. The largest seller was Arrowstreet Capital, exiting entirely with an estimated $39.3M sold.
- 233 institutional investors held iRobot (IRBT) as of Q2 2018, down from 238 in Q1 2018.
- Funds reported $2.2B of iRobot stock for Q2 2018, up 39% quarter-over-quarter.
- 33 funds opened new iRobot positions in Q2 2018 and 37 closed out, a net change of -4 holders.
- The largest iRobot buyer in Q2 2018 was Primecap Management, an estimated $173M added.
- The largest iRobot seller in Q2 2018 was Arrowstreet Capital, an estimated $39.3M sold.
Based on aggregated 13F filings for Q2 2018.