State of Wisconsin Investment Board’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 | $1.28M | Sell |
7,189
-12,301
| -63% | -$1.93M | ﹤0.01% | 1586 |
|
|
2025
Q4 | $2.53M | Sell |
19,490
-2,248
| -10% | -$322K | 0.01% | 1326 |
|
|
2025
Q3 | $3.21M | Buy |
21,738
+94
| +0.4% | +$14.2K | 0.01% | 1147 |
|
|
2025
Q2 | $3.64M | Buy |
21,644
+5,110
| +31% | +$816K | 0.01% | 1046 |
|
|
2025
Q1 | $2.75M | Sell |
16,534
-404
| -2% | -$70.1K | 0.01% | 1130 |
|
|
2024
Q4 | $2.8M | Sell |
16,938
-8,203
| -33% | -$1.3M | 0.01% | 1164 |
|
|
2024
Q3 | $3.35M | Buy |
25,141
+6,684
| +36% | +$776K | 0.01% | 1115 |
|
|
2024
Q2 | $2.32M | Sell |
18,457
-1,986
| -10% | -$262K | 0.01% | 1225 |
|
|
2024
Q1 | $3M | Sell |
20,443
-2,714
| -12% | -$350K | 0.01% | 1130 |
|
|
2023
Q4 | $2.71M | Buy |
23,157
+15,000
| +184% | +$1.4M | 0.01% | 1157 |
|
|
2023
Q3 | $715K | Sell |
8,157
-26,726
| -77% | -$3.11M | ﹤0.01% | 1535 |
|
|
2023
Q2 | $5.74M | Buy |
34,883
+5,013
| +17% | +$873K | 0.02% | 891 |
|
|
2023
Q1 | $5.51M | Buy |
29,870
+4,445
| +17% | +$750K | 0.02% | 904 |
|
|
2022
Q4 | $3.76M | Sell |
25,425
-4,367
| -15% | -$601K | 0.01% | 1089 |
|
|
2022
Q3 | $4.21M | Sell |
29,792
-7,080
| -19% | -$1.03M | 0.01% | 1026 |
|
|
2022
Q2 | $4.82M | Sell |
36,872
-2,361
| -6% | -$316K | 0.01% | 1013 |
|
|
2022
Q1 | $5.71M | Buy |
39,233
+12,562
| +47% | +$2.41M | 0.01% | 1089 |
|
|
2021
Q4 | $7.81M | Sell |
26,671
-431
| -2% | -$123K | 0.02% | 880 |
|
|
2021
Q3 | $7.34M | Buy |
27,102
+1,410
| +5% | +$382K | 0.02% | 895 |
|
|
2021
Q2 | $6.23M | Buy |
25,692
+1,865
| +8% | +$426K | 0.01% | 978 |
|
|
2021
Q1 | $5.47M | Sell |
23,827
-764
| -3% | -$192K | 0.01% | 989 |
|
|
2020
Q4 | $6.6M | Sell |
24,591
-14,148
| -37% | -$3.53M | 0.02% | 881 |
|
|
2020
Q3 | $9.14M | Buy |
38,739
+210
| +0.5% | +$47.1K | 0.02% | 669 |
|
|
2020
Q2 | $8.78M | Buy |
38,529
+32,138
| +503% | +$7.05M | 0.02% | 656 |
|
|
2020
Q1 | $1.13M | Sell |
6,391
-280
| -4% | -$48K | ﹤0.01% | 1178 |
|
|
2019
Q4 | $1.05M | Hold |
6,671
| – | – | ﹤0.01% | 1229 |
|
|
2019
Q3 | $993K | Sell |
6,671
-51
| -0.8% | -$7.75K | ﹤0.01% | 1148 |
|
|
2019
Q2 | $1M | Sell |
6,722
-1,925
| -22% | -$264K | ﹤0.01% | 1139 |
|
|
2019
Q1 | $1.2M | Sell |
8,647
-250
| -3% | -$31.4K | ﹤0.01% | 1112 |
|
|
2018
Q4 | $955K | Buy |
8,897
+250
| +3% | +$27.9K | ﹤0.01% | 1145 |
|
|
2018
Q3 | $1.08M | Sell |
8,647
-194
| -2% | -$21.5K | ﹤0.01% | 1189 |
|
|
2018
Q2 | $863K | Buy |
+8,841
| New | +$841K | ﹤0.01% | 1217 |
|
Other funds holding MASI
PCM
PCM
HI
VCM
VPM
State of Wisconsin Investment Board's MASI Position: Q1 2026 in Review
State of Wisconsin Investment Board reduced its Masimo (MASI) stake by 63% in Q1 2026, selling an estimated $1.93M and leaving 7,189 shares worth $1.28M. The position accounts for ﹤0.01% of the portfolio, ranked #1586.
State of Wisconsin Investment Board first reported a position in MASI in Q2 2018 and has held it in 32 quarters since. The position peaked at $9.14M in Q3 2020. 446 funds tracked by Wall St. Rank hold MASI as of Q1 2026.
- State of Wisconsin Investment Board held 7,189 shares of Masimo worth $1.28M as of Q1 2026.
- State of Wisconsin Investment Board sold 12,301 Masimo shares in Q1 2026, an estimated $1.93M.
- Masimo made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1586 holding.
- State of Wisconsin Investment Board first reported a position in Masimo in Q2 2018 and has held it in 32 quarters since.
- State of Wisconsin Investment Board's Masimo position peaked at $9.14M in Q3 2020.
- 446 funds tracked by Wall St. Rank held Masimo as of Q1 2026.
Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.