Paul Tudor Jones’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 |
-143,884
| Closed | -$25.6M | – | 3982 |
|
|
2026
Q1 | $25.6M | Buy |
143,884
+127,642
| +786% | +$20M | 0.05% | 328 |
|
|
2025
Q4 | $2.11M | Sell |
16,242
-15,399
| -49% | -$2.21M | ﹤0.01% | 1773 |
|
|
2025
Q3 | $4.67M | Buy |
+31,641
| New | +$4.79M | 0.01% | 1236 |
|
|
2024
Q4 | – | Sell |
-1,965
| Closed | -$262K | – | 3314 |
|
|
2024
Q3 | $262K | Sell |
1,965
-14,370
| -88% | -$1.67M | ﹤0.01% | 2394 |
|
|
2024
Q2 | $2.06M | Buy |
+16,335
| New | +$2.15M | 0.01% | 1049 |
|
|
2022
Q3 | – | Sell |
-1,529
| Closed | -$223K | – | 2543 |
|
|
2022
Q2 | $200K | Sell |
1,529
-11,844
| -89% | -$1.58M | 0.01% | 1823 |
|
|
2022
Q1 | $1.95M | Buy |
+13,373
| New | +$2.57M | 0.05% | 564 |
|
|
2021
Q2 | – | Sell |
-11,958
| Closed | -$2.75M | – | 1796 |
|
|
2021
Q1 | $2.75M | Buy |
+11,958
| New | +$3M | 0.06% | 387 |
|
|
2019
Q1 | – | Sell |
-3,413
| Closed | -$366K | – | 1204 |
|
|
2018
Q4 | $366K | Sell |
3,413
-45,825
| -93% | -$5.11M | 0.01% | 702 |
|
|
2018
Q3 | $6.13M | Buy |
49,238
+7,041
| +17% | +$781K | 0.15% | 78 |
|
|
2018
Q2 | $4.12M | Buy |
42,197
+38,926
| +1,190% | +$3.7M | 0.14% | 106 |
|
|
2018
Q1 | $288K | Buy |
+3,271
| New | +$285K | 0.01% | 756 |
|
|
2017
Q3 | – | Sell |
-4,771
| Closed | -$435K | – | 1186 |
|
|
2017
Q2 | $435K | Buy |
4,771
+1,471
| +45% | +$135K | 0.01% | 618 |
|
|
2017
Q1 | $308K | Sell |
3,300
-1,562
| -32% | -$129K | 0.01% | 984 |
|
|
2016
Q4 | $328K | Sell |
4,862
-8,120
| -63% | -$499K | 0.01% | 969 |
|
|
2016
Q3 | $772K | Sell |
12,982
-482
| -4% | -$27.2K | 0.02% | 513 |
|
|
2016
Q2 | $707K | Buy |
13,464
+802
| +6% | +$37.8K | 0.02% | 616 |
|
|
2016
Q1 | $530K | Buy |
12,662
+362
| +3% | +$13.6K | 0.01% | 904 |
|
|
2015
Q4 | $511K | Buy |
12,300
+3,500
| +40% | +$143K | 0.01% | 860 |
|
|
2015
Q3 | $339K | Buy |
+8,800
| New | +$360K | 0.01% | 1016 |
|
|
2015
Q1 | – | Sell |
-22,872
| Closed | -$602K | – | 1542 |
|
|
2014
Q4 | $602K | Sell |
22,872
-18,928
| -45% | -$467K | 0.02% | 622 |
|
|
2014
Q3 | $890K | Buy |
41,800
+4,800
| +13% | +$110K | 0.03% | 351 |
|
|
2014
Q2 | $873K | Buy |
37,000
+12,500
| +51% | +$310K | 0.03% | 259 |
|
|
2014
Q1 | $669K | Buy |
24,500
+17,100
| +231% | +$488K | 0.03% | 372 |
|
|
2013
Q4 | $216K | Buy |
+7,400
| New | +$207K | 0.01% | 1070 |
|
Other funds holding MASI
Paul Tudor Jones's MASI Position: Q2 2026 in Review
Paul Tudor Jones sold out of Masimo (MASI) in Q2 2026, closing a stake of 143,884 shares — an estimated $25.6M sold.
Paul Tudor Jones first reported a position in MASI in Q4 2013 and held it in 25 quarters. The position peaked at $25.6M in Q1 2026. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.
- Paul Tudor Jones reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
- Paul Tudor Jones sold 143,884 Masimo shares in Q2 2026, an estimated $25.6M.
- Paul Tudor Jones first reported a position in Masimo in Q4 2013 and held it in 25 quarters.
- Paul Tudor Jones's Masimo position peaked at $25.6M in Q1 2026.
- 2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.
Based on Tudor Investment Corp's 13F filing for Q2 2026, filed 14 Aug 2026.