Winton Group’s Masimo MASI Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | – | Sell |
-112,783
| Closed | -$20.1M | – | 1367 |
|
|
2026
Q1 | $20.1M | Buy |
+112,783
| New | +$17.7M | 0.7% | 14 |
|
|
2025
Q3 | – | Sell |
-5,617
| Closed | -$945K | – | 908 |
|
|
2025
Q2 | $945K | Buy |
+5,617
| New | +$897K | 0.05% | 449 |
|
|
2025
Q1 | – | Sell |
-4,410
| Closed | -$729K | – | 747 |
|
|
2024
Q4 | $729K | Sell |
4,410
-3,302
| -43% | -$521K | 0.05% | 404 |
|
|
2024
Q3 | $1.03M | Buy |
+7,712
| New | +$895K | 0.07% | 309 |
|
|
2023
Q3 | – | Sell |
-1,509
| Closed | -$248K | – | 868 |
|
|
2023
Q2 | $248K | Sell |
1,509
-1,990
| -57% | -$346K | 0.02% | 592 |
|
|
2023
Q1 | $646K | Buy |
3,499
+438
| +14% | +$73.9K | 0.04% | 599 |
|
|
2022
Q4 | $453K | Sell |
3,061
-1,456
| -32% | -$200K | 0.03% | 662 |
|
|
2022
Q3 | $638K | Buy |
+4,517
| New | +$660K | 0.04% | 568 |
|
|
2021
Q4 | – | Sell |
-4,366
| Closed | -$1.18M | – | 1245 |
|
|
2021
Q3 | $1.18M | Buy |
+4,366
| New | +$1.18M | 0.07% | 418 |
|
|
2020
Q2 | – | Sell |
-2,899
| Closed | -$513K | – | 1530 |
|
|
2020
Q1 | $513K | Sell |
2,899
-5,443
| -65% | -$934K | 0.01% | 1020 |
|
|
2019
Q4 | $1.32M | Buy |
+8,342
| New | +$1.25M | 0.02% | 958 |
|
|
2019
Q3 | – | Sell |
-8,899
| Closed | -$1.32M | – | 1619 |
|
|
2019
Q2 | $1.32M | Buy |
8,899
+3,366
| +61% | +$462K | 0.03% | 348 |
|
|
2019
Q1 | $765K | Sell |
5,533
-1,526
| -22% | -$192K | 0.02% | 423 |
|
|
2018
Q4 | $758K | Sell |
7,059
-2,660
| -27% | -$297K | 0.02% | 382 |
|
|
2018
Q3 | $1.21M | Sell |
9,719
-1,287
| -12% | -$143K | 0.03% | 370 |
|
|
2018
Q2 | $1.07M | Sell |
11,006
-53,602
| -83% | -$5.1M | 0.03% | 411 |
|
|
2018
Q1 | $5.68M | Buy |
64,608
+16,477
| +34% | +$1.44M | 0.16% | 200 |
|
|
2017
Q4 | $4.08M | Sell |
48,131
-67
| -0.1% | -$5.81K | 0.12% | 297 |
|
|
2017
Q3 | $4.17M | Buy |
+48,198
| New | +$4.26M | 0.13% | 180 |
|
|
2014
Q4 | – | Sell |
-14,879
| Closed | -$317K | – | 646 |
|
|
2014
Q3 | $317K | Sell |
14,879
-20,602
| -58% | -$470K | ﹤0.01% | 627 |
|
|
2014
Q2 | $837K | Buy |
+35,481
| New | +$880K | 0.01% | 551 |
|
Other funds holding MASI
Winton Group's MASI Position: Q2 2026 in Review
Winton Group sold out of Masimo (MASI) in Q2 2026, closing a stake of 112,783 shares — an estimated $20.1M sold.
Winton Group first reported a position in MASI in Q2 2014 and held it in 21 quarters. The position peaked at $20.1M in Q1 2026. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.
- Winton Group reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
- Winton Group sold 112,783 Masimo shares in Q2 2026, an estimated $20.1M.
- Winton Group first reported a position in Masimo in Q2 2014 and held it in 21 quarters.
- Winton Group's Masimo position peaked at $20.1M in Q1 2026.
- 2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.
Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.