Masimo
MASI
MASI was delisted on the 9th of June, 2026.
266 hedge funds and large institutions have $2.09B invested in Masimo in 2016 Q2 according to their latest regulatory filings, with 52 funds opening new positions, 91 increasing their positions, 96 reducing their positions, and 14 closing their positions.
271% more first-time investments, than exits
New positions opened: 52 | Existing positions closed: 14
27% more capital invested
Capital invested by funds: $1.65B → $2.09B (+$443M)
20% more call options, than puts
Call options by funds: $7.57M | Put options by funds: $6.3M
16% more funds holding
Funds holding: 230 → 266 (+36)
0% more funds holding in top 10
Funds holding in top 10: 5 → 5 (0)
5% less repeat investments, than reductions
Existing positions increased: 91 | Existing positions reduced: 96
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Janus Henderson Group
London,
United Kingdom
|
+$12.5M |
| 2 |
BA
BlackRock Advisors
Wilmington,
Delaware
|
+$11.6M |
| 3 |
BIM
Bogle Investment Management
Newton Lower Falls,
Massachusetts
|
+$11.6M |
| 4 |
NI
Numeric Investors
Boston,
Massachusetts
|
+$11.1M |
| 5 |
Two Sigma Investments
New York
|
+$8.58M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CCM
Camber Capital Management
Boston,
Massachusetts
|
-$41.8M |
| 2 |
BCA
Bernzott Capital Advisors
Camarillo,
California
|
-$18.8M |
| 3 |
Massachusetts Financial Services
Boston,
Massachusetts
|
-$17.1M |
| 4 |
AL
AJO LP
Philadelphia,
Pennsylvania
|
-$12M |
| 5 |
JMPWA
JP Morgan Private Wealth Advisors
San Francisco,
California
|
-$11.5M |
MASI Hedge Fund Activity: Q2 2016 in Review
266 of the 3,749 institutional investors tracked by Wall St. Rank reported a position in Masimo (MASI) for Q2 2016, worth a combined $2.09B — up 27% from $1.65B a quarter earlier.
Buyers outnumbered sellers: 52 funds opened new MASI positions and 14 closed out — a net gain of 38 holders — while 91 added to existing stakes and 96 trimmed.
The largest buyer was Janus Henderson Group, adding an estimated $12.5M. The largest seller was Camber Capital Management, exiting entirely with an estimated $41.8M sold.
- 266 institutional investors held Masimo (MASI) as of Q2 2016, up from 230 in Q1 2016.
- Funds reported $2.09B of Masimo stock for Q2 2016, up 27% quarter-over-quarter.
- 52 funds opened new Masimo positions in Q2 2016 and 14 closed out, a net change of +38 holders.
- The largest Masimo buyer in Q2 2016 was Janus Henderson Group, an estimated $12.5M added.
- The largest Masimo seller in Q2 2016 was Camber Capital Management, an estimated $41.8M sold.
Based on aggregated 13F filings for Q2 2016.