NS Partners’s Masimo MASI Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $7.47M | Sell |
42,004
-344
| -0.8% | -$54K | 0.33% | 59 |
|
|
2025
Q4 | $5.51M | Sell |
42,348
-46
| -0.1% | -$6.59K | 0.22% | 65 |
|
|
2025
Q3 | $6.26M | Sell |
42,394
-172
| -0.4% | -$26K | 0.24% | 64 |
|
|
2025
Q2 | $7.16M | Sell |
42,566
-989
| -2% | -$158K | 0.29% | 63 |
|
|
2025
Q1 | $7.26M | Buy |
43,555
+906
| +2% | +$157K | 0.32% | 62 |
|
|
2024
Q4 | $7.05M | Sell |
42,649
-388
| -0.9% | -$61.3K | 0.29% | 64 |
|
|
2024
Q3 | $5.74M | Buy |
43,037
+986
| +2% | +$114K | 0.24% | 63 |
|
|
2024
Q2 | $5.3M | Buy |
42,051
+166
| +0.4% | +$21.9K | 0.24% | 63 |
|
|
2024
Q1 | $6.15M | Buy |
41,885
+6,267
| +18% | +$809K | 0.28% | 65 |
|
|
2023
Q4 | $4.17M | Sell |
35,618
-5,899
| -14% | -$550K | 0.2% | 68 |
|
|
2023
Q3 | $3.64M | Sell |
41,517
-104
| -0.2% | -$12.1K | 0.2% | 70 |
|
|
2023
Q2 | $6.85M | Sell |
41,621
-453
| -1% | -$78.9K | 0.36% | 66 |
|
|
2023
Q1 | $7.76M | Buy |
42,074
+75
| +0.2% | +$12.7K | 0.44% | 64 |
|
|
2022
Q4 | $6.21M | Buy |
41,999
+53
| +0.1% | +$7.29K | 0.37% | 66 |
|
|
2022
Q3 | $5.92M | Buy |
41,946
+1,440
| +4% | +$210K | 0.38% | 66 |
|
|
2022
Q2 | $5.29M | Buy |
40,506
+511
| +1% | +$68.4K | 0.32% | 68 |
|
|
2022
Q1 | $5.82M | Sell |
39,995
-987
| -2% | -$190K | 0.31% | 65 |
|
|
2021
Q4 | $12M | Buy |
40,982
+6,925
| +20% | +$1.97M | 0.56% | 59 |
|
|
2021
Q3 | $9.22M | Buy |
34,057
+189
| +0.6% | +$51.2K | 0.47% | 66 |
|
|
2021
Q2 | $8.21M | Sell |
33,868
-4,073
| -11% | -$929K | 0.43% | 64 |
|
|
2021
Q1 | $8.71M | Buy |
37,941
+235
| +0.6% | +$59K | 0.5% | 62 |
|
|
2020
Q4 | $10.1M | Buy |
37,706
+331
| +0.9% | +$82.5K | 0.59% | 58 |
|
|
2020
Q3 | $8.82M | Buy |
37,375
+1,738
| +5% | +$390K | 0.58% | 54 |
|
|
2020
Q2 | $8.13M | Buy |
35,637
+34
| +0.1% | +$7.46K | 0.6% | 56 |
|
|
2020
Q1 | $6.31M | Buy |
35,603
+1,069
| +3% | +$183K | 0.59% | 57 |
|
|
2019
Q4 | $5.46M | Sell |
34,534
-60
| -0.2% | -$9.02K | 0.43% | 66 |
|
|
2019
Q3 | $5.15M | Buy |
34,594
+400
| +1% | +$60.8K | 0.46% | 64 |
|
|
2019
Q2 | $5.09M | Buy |
34,194
+190
| +0.6% | +$26.1K | 0.47% | 65 |
|
|
2019
Q1 | $4.7M | Buy |
34,004
+506
| +2% | +$63.5K | 0.44% | 71 |
|
|
2018
Q4 | $3.6M | Buy |
+33,498
| New | +$3.74M | 0.39% | 78 |
|
Other funds holding MASI
PCM
PCM
HI
VCM
VPM
NS Partners's MASI Position: Q1 2026 in Review
NS Partners reduced its Masimo (MASI) stake by 0.81% in Q1 2026, selling an estimated $54K and leaving 42,004 shares worth $7.47M. The position accounts for 0.33% of the portfolio, ranked #59.
NS Partners first reported a position in MASI in Q4 2018 and has held it in 30 quarters since. The position peaked at $12M in Q4 2021. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.
- NS Partners held 42,004 shares of Masimo worth $7.47M as of Q1 2026.
- NS Partners sold 344 Masimo shares in Q1 2026, an estimated $54K.
- Masimo made up 0.33% of NS Partners's portfolio in Q1 2026, its #59 holding.
- NS Partners first reported a position in Masimo in Q4 2018 and has held it in 30 quarters since.
- NS Partners's Masimo position peaked at $12M in Q4 2021.
- 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.
Based on NS Partners's 13F filing for Q1 2026, filed 11 May 2026.