Simplex Trading’s Masimo MASI Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q3 | – | Sell |
-98
| Closed | -$14.8K | – | 9618 |
|
|
2025
Q2 | $16K | Sell |
98
-2,240
| -96% | -$358K | ﹤0.01% | 6961 |
|
|
2025
Q1 | $389K | Buy |
2,338
+1,513
| +183% | +$263K | ﹤0.01% | 3661 |
|
|
2024
Q4 | $136K | Sell |
825
-11,704
| -93% | -$1.85M | ﹤0.01% | 4894 |
|
|
2024
Q3 | $1.67M | Buy |
12,529
+6,169
| +97% | +$716K | ﹤0.01% | 2436 |
|
|
2024
Q2 | $800K | Buy |
6,360
+765
| +14% | +$101K | ﹤0.01% | 3153 |
|
|
2024
Q1 | $821K | Sell |
5,595
-9,051
| -62% | -$1.17M | ﹤0.01% | 3324 |
|
|
2023
Q4 | $1.72M | Sell |
14,646
-36,043
| -71% | -$3.36M | ﹤0.01% | 2489 |
|
|
2023
Q3 | $4.44M | Buy |
50,689
+46,724
| +1,178% | +$5.44M | ﹤0.01% | 1440 |
|
|
2023
Q2 | $652K | Buy |
3,965
+630
| +19% | +$110K | ﹤0.01% | 3031 |
|
|
2023
Q1 | $615K | Buy |
3,335
+2,504
| +301% | +$422K | ﹤0.01% | 3059 |
|
|
2022
Q4 | $122K | Sell |
831
-235
| -22% | -$32.3K | ﹤0.01% | 4831 |
|
|
2022
Q3 | $150K | Buy |
+1,066
| New | +$156K | ﹤0.01% | 4987 |
|
|
2022
Q1 | – | Sell |
-124
| Closed | -$23.8K | – | 10998 |
|
|
2021
Q4 | $36K | Buy |
+124
| New | +$35.3K | ﹤0.01% | 7668 |
|
|
2021
Q2 | – | Sell |
-525
| Closed | -$120K | – | 10417 |
|
|
2021
Q1 | $120K | Buy |
525
+318
| +154% | +$79.9K | ﹤0.01% | 5480 |
|
|
2020
Q4 | $55K | Buy |
+207
| New | +$51.6K | ﹤0.01% | 6071 |
|
|
2020
Q3 | – | Sell |
-2,664
| Closed | -$597K | – | 8169 |
|
|
2020
Q2 | $607K | Sell |
2,664
-146
| -5% | -$32K | ﹤0.01% | 2681 |
|
|
2020
Q1 | $497K | Buy |
2,810
+2,177
| +344% | +$373K | ﹤0.01% | 2593 |
|
|
2019
Q4 | $100K | Buy |
+633
| New | +$95.2K | ﹤0.01% | 4515 |
|
|
2019
Q1 | – | Sell |
-949
| Closed | -$119K | – | 7536 |
|
|
2018
Q4 | $101K | Buy |
+949
| New | +$106K | ﹤0.01% | 3849 |
|
|
2018
Q2 | – | Sell |
-1,498
| Closed | -$142K | – | 7665 |
|
|
2018
Q1 | $131K | Sell |
1,498
-778
| -34% | -$67.8K | 0.01% | 1583 |
|
|
2017
Q4 | $193K | Buy |
2,276
+1,467
| +181% | +$127K | 0.01% | 1300 |
|
|
2017
Q3 | $70K | Sell |
809
-5,750
| -88% | -$508K | ﹤0.01% | 2000 |
|
|
2017
Q2 | $598K | Buy |
6,559
+593
| +10% | +$54.4K | 0.03% | 557 |
|
|
2017
Q1 | $556K | Sell |
5,966
-1,879
| -24% | -$155K | 0.02% | 623 |
|
|
2016
Q4 | $528K | Buy |
7,845
+7,553
| +2,587% | +$464K | 0.03% | 520 |
|
|
2016
Q3 | $17K | Buy |
292
+201
| +221% | +$11.3K | ﹤0.01% | 3131 |
|
|
2016
Q2 | $4K | Buy |
+91
| New | +$4.29K | ﹤0.01% | 4443 |
|
|
2015
Q4 | – | Sell |
-1,311
| Closed | -$50K | – | 5814 |
|
|
2015
Q3 | $50K | Buy |
+1,311
| New | +$53.6K | ﹤0.01% | 2006 |
|
Other funds holding MASI
PCM
PCM
HI
VCM
VPM
Simplex Trading's MASI Position: Q3 2025 in Review
Simplex Trading sold out of Masimo (MASI) in Q3 2025, closing a stake of 98 shares — an estimated $14.8K sold.
Simplex Trading first reported a position in MASI in Q3 2015 and held it in 28 quarters. The position peaked at $4.44M in Q3 2023. 358 funds tracked by Wall St. Rank hold MASI as of Q3 2025.
- Simplex Trading reported no remaining Masimo position as of Q3 2025 after selling out during the quarter.
- Simplex Trading sold 98 Masimo shares in Q3 2025, an estimated $14.8K.
- Simplex Trading first reported a position in Masimo in Q3 2015 and held it in 28 quarters.
- Simplex Trading's Masimo position peaked at $4.44M in Q3 2023.
- 358 funds tracked by Wall St. Rank held Masimo as of Q3 2025.
Based on Simplex Trading's 13F filing for Q3 2025, filed 12 Nov 2025.