Walleye Trading’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 |
-1,100
| Closed | -$196K | – | 4275 |
|
|
2026
Q1 | $196K | Buy |
+1,100
| New | +$173K | ﹤0.01% | 3135 |
|
|
2024
Q1 | – | Sell |
-6,428
| Closed | -$830K | – | 5096 |
|
|
2023
Q4 | $753K | Buy |
6,428
+4,642
| +260% | +$433K | ﹤0.01% | 2725 |
|
|
2023
Q3 | $157K | Buy |
+1,786
| New | +$208K | ﹤0.01% | 3753 |
|
|
2023
Q1 | – | Sell |
-1,107
| Closed | -$164K | – | 5150 |
|
|
2022
Q4 | $164K | Buy |
1,107
+517
| +88% | +$71.1K | ﹤0.01% | 3730 |
|
|
2022
Q3 | $83K | Buy |
+590
| New | +$86.2K | ﹤0.01% | 4112 |
|
|
2022
Q1 | – | Sell |
-1,344
| Closed | -$393K | – | 5665 |
|
|
2021
Q4 | $393K | Buy |
1,344
+239
| +22% | +$68.1K | ﹤0.01% | 3188 |
|
|
2021
Q3 | $299K | Buy |
1,105
+470
| +74% | +$127K | ﹤0.01% | 3455 |
|
|
2021
Q2 | $154K | Buy |
+635
| New | +$145K | ﹤0.01% | 4123 |
|
|
2020
Q1 | – | Sell |
-589
| Closed | -$93K | – | 4316 |
|
|
2019
Q4 | $93K | Buy |
+589
| New | +$88.5K | ﹤0.01% | 3588 |
|
|
2019
Q3 | – | Sell |
-165
| Closed | -$25K | – | 4253 |
|
|
2019
Q2 | $25K | Sell |
165
-2,291
| -93% | -$314K | ﹤0.01% | 3703 |
|
|
2019
Q1 | $340K | Buy |
2,456
+1,688
| +220% | +$212K | ﹤0.01% | 2598 |
|
|
2018
Q4 | $82K | Buy |
+768
| New | +$85.6K | ﹤0.01% | 3978 |
|
|
2016
Q3 | – | Sell |
-6,976
| Closed | -$366K | – | 5176 |
|
|
2016
Q2 | $366K | Buy |
6,976
+6,776
| +3,388% | +$319K | ﹤0.01% | 2482 |
|
|
2016
Q1 | $8K | Buy |
+200
| New | +$7.52K | ﹤0.01% | 4813 |
|
|
2015
Q4 | – | Sell |
-3,648
| Closed | -$141K | – | 5504 |
|
|
2015
Q3 | $141K | Buy |
3,648
+3,048
| +508% | +$125K | ﹤0.01% | 2646 |
|
|
2015
Q2 | $23K | Buy |
+600
| New | +$21.5K | ﹤0.01% | 3932 |
|
Other funds holding MASI
Walleye Trading's MASI Position: Q2 2026 in Review
Walleye Trading sold out of Masimo (MASI) in Q2 2026, closing a stake of 1,100 shares — an estimated $196K sold.
Walleye Trading first reported a position in MASI in Q2 2015 and held it in 16 quarters. The position peaked at $753K in Q4 2023. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.
- Walleye Trading reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
- Walleye Trading sold 1,100 Masimo shares in Q2 2026, an estimated $196K.
- Walleye Trading first reported a position in Masimo in Q2 2015 and held it in 16 quarters.
- Walleye Trading's Masimo position peaked at $753K in Q4 2023.
- 2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.
Based on Walleye Trading's 13F filing for Q2 2026, filed 3 Aug 2026.