Assenagon Asset Management’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 | – | Sell |
-53,525
| Closed | -$6.96M | – | 1174 |
|
|
2025
Q4 | $6.96M | Buy |
53,525
+51,068
| +2,078% | +$7.31M | 0.01% | 587 |
|
|
2025
Q3 | $363K | Sell |
2,457
-568
| -19% | -$86K | ﹤0.01% | 1096 |
|
|
2025
Q2 | $509K | Sell |
3,025
-1,354
| -31% | -$216K | ﹤0.01% | 1029 |
|
|
2025
Q1 | $730K | Sell |
4,379
-211,672
| -98% | -$36.7M | ﹤0.01% | 952 |
|
|
2024
Q4 | $35.7M | Buy |
216,051
+194,788
| +916% | +$30.8M | 0.06% | 264 |
|
|
2024
Q3 | $2.83M | Sell |
21,263
-29,477
| -58% | -$3.42M | 0.01% | 856 |
|
|
2024
Q2 | $6.39M | Buy |
50,740
+43,918
| +644% | +$5.78M | 0.01% | 556 |
|
|
2024
Q1 | $1M | Sell |
6,822
-1,951
| -22% | -$252K | ﹤0.01% | 1051 |
|
|
2023
Q4 | $1.03M | Sell |
8,773
-17,216
| -66% | -$1.6M | ﹤0.01% | 1089 |
|
|
2023
Q3 | $2.28M | Buy |
+25,989
| New | +$3.02M | 0.01% | 811 |
|
|
2023
Q2 | – | Sell |
-3,924
| Closed | -$724K | – | 1403 |
|
|
2023
Q1 | $724K | Sell |
3,924
-23,166
| -86% | -$3.91M | ﹤0.01% | 1136 |
|
|
2022
Q4 | $4.01M | Sell |
27,090
-264,769
| -91% | -$36.4M | 0.01% | 584 |
|
|
2022
Q3 | $41.2M | Sell |
291,859
-258,893
| -47% | -$37.8M | 0.16% | 130 |
|
|
2022
Q2 | $72M | Buy |
550,752
+14,940
| +3% | +$2M | 0.27% | 76 |
|
|
2022
Q1 | $78M | Buy |
535,812
+508,537
| +1,864% | +$97.6M | 0.22% | 90 |
|
|
2021
Q4 | $7.99M | Hold |
27,275
| – | – | 0.02% | 389 |
|
|
2021
Q3 | $7.38M | Buy |
+27,275
| New | +$7.4M | 0.02% | 333 |
|
|
2021
Q2 | – | Sell |
-35,272
| Closed | -$8.1M | – | 1323 |
|
|
2021
Q1 | $8.1M | Buy |
35,272
+17,244
| +96% | +$4.33M | 0.03% | 385 |
|
|
2020
Q4 | $4.84M | Buy |
+18,028
| New | +$4.5M | 0.02% | 357 |
|
|
2020
Q3 | – | Sell |
-33,848
| Closed | -$7.72M | – | 1258 |
|
|
2020
Q2 | $7.72M | Buy |
+33,848
| New | +$7.43M | 0.05% | 233 |
|
|
2019
Q3 | – | Sell |
-112,804
| Closed | -$16.8M | – | 967 |
|
|
2019
Q2 | $16.8M | Buy |
112,804
+63,698
| +130% | +$8.74M | 0.13% | 118 |
|
|
2019
Q1 | $6.79M | Buy |
49,106
+22,676
| +86% | +$2.85M | 0.06% | 248 |
|
|
2018
Q4 | $2.84M | Sell |
26,430
-80,059
| -75% | -$8.93M | 0.03% | 354 |
|
|
2018
Q3 | $13.3M | Buy |
+106,489
| New | +$11.8M | 0.13% | 150 |
|
|
2018
Q2 | – | Sell |
-3,933
| Closed | -$346K | – | 537 |
|
|
2018
Q1 | $346K | Buy |
+3,933
| New | +$343K | ﹤0.01% | 499 |
|
Other funds holding MASI
PCM
PCM
HI
VCM
VPM
Assenagon Asset Management's MASI Position: Q1 2026 in Review
Assenagon Asset Management sold out of Masimo (MASI) in Q1 2026, closing a stake of 53,525 shares — an estimated $6.96M sold.
Assenagon Asset Management first reported a position in MASI in Q1 2018 and held it in 25 quarters. The position peaked at $78M in Q1 2022. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.
- Assenagon Asset Management reported no remaining Masimo position as of Q1 2026 after selling out during the quarter.
- Assenagon Asset Management sold 53,525 Masimo shares in Q1 2026, an estimated $6.96M.
- Assenagon Asset Management first reported a position in Masimo in Q1 2018 and held it in 25 quarters.
- Assenagon Asset Management's Masimo position peaked at $78M in Q1 2022.
- 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.
Based on Assenagon Asset Management's 13F filing for Q1 2026, filed 20 Apr 2026.