Masimo
MASI
MASI was delisted on the 9th of June, 2026.
294 hedge funds and large institutions have $2.39B invested in Masimo in 2016 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 112 increasing their positions, 105 reducing their positions, and 11 closing their positions.
49,900% more call options, than puts
Call options by funds: $1M | Put options by funds: $2K
264% more first-time investments, than exits
New positions opened: 40 | Existing positions closed: 11
20% more funds holding in top 10
Funds holding in top 10: 5 → 6 (+1)
14% more capital invested
Capital invested by funds: $2.09B → $2.39B (+$298M)
11% more funds holding
Funds holding: 266 → 294 (+28)
7% more repeat investments, than reductions
Existing positions increased: 112 | Existing positions reduced: 105
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Acadian Asset Management
Boston,
Massachusetts
|
+$43.9M |
| 2 |
Goldman Sachs
New York
|
+$18.1M |
| 3 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
+$17.6M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$15.4M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
+$14.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Massachusetts Financial Services
Boston,
Massachusetts
|
-$38.1M |
| 2 |
Fuller & Thaler Asset Management
San Mateo,
California
|
-$17.4M |
| 3 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$14.3M |
| 4 |
Westfield Capital Management
Boston,
Massachusetts
|
-$14.1M |
| 5 |
State of Tennessee, Department of Treasury
Nashville,
Tennessee
|
-$9.87M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
TRCT
301
Tower Research Capital (TRC)
New York
| – | -$116K | -2,204 | Closed |
|
|
WRM
302
Westport Resources Management
Westport,
Connecticut
| – | -$64K | -1,225 | Closed |
|
|
WAM
303
Wealthspire Advisors (Maryland)
Potomac,
Maryland
| – | -$18K | -350 | Closed |
|
304
Northwestern Mutual Wealth Management
Milwaukee,
Wisconsin
| – | -$4K | -70 | Closed |
|
|
BCI
305
Brinker Capital Investments
Berwyn,
Pennsylvania
| – | +$56 | +1 | New |
|
MASI Hedge Fund Activity: Q3 2016 in Review
294 of the 3,749 institutional investors tracked by Wall St. Rank reported a position in Masimo (MASI) for Q3 2016, worth a combined $2.39B — up 14% from $2.09B a quarter earlier.
Buyers outnumbered sellers: 40 funds opened new MASI positions and 11 closed out — a net gain of 29 holders — while 112 added to existing stakes and 105 trimmed.
The largest buyer was Acadian Asset Management, adding an estimated $43.9M. The largest seller was Massachusetts Financial Services, cutting an estimated $38.1M.
- 294 institutional investors held Masimo (MASI) as of Q3 2016, up from 266 in Q2 2016.
- Funds reported $2.39B of Masimo stock for Q3 2016, up 14% quarter-over-quarter.
- 40 funds opened new Masimo positions in Q3 2016 and 11 closed out, a net change of +29 holders.
- The largest Masimo buyer in Q3 2016 was Acadian Asset Management, an estimated $43.9M added.
- The largest Masimo seller in Q3 2016 was Massachusetts Financial Services, an estimated $38.1M sold.
Based on aggregated 13F filings for Q3 2016.