Fred Alger Management’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 |
-12,185
| Closed | -$2.05M | – | 479 |
|
|
2025
Q2 | $2.05M | Buy |
12,185
+3,413
| +39% | +$545K | 0.01% | 313 |
|
|
2025
Q1 | $1.46M | Sell |
8,772
-11,658
| -57% | -$2.02M | 0.01% | 314 |
|
|
2024
Q4 | $3.38M | Buy |
20,430
+15,971
| +358% | +$2.52M | 0.02% | 281 |
|
|
2024
Q3 | $595K | Buy |
+4,459
| New | +$517K | ﹤0.01% | 372 |
|
|
2024
Q1 | – | Sell |
-12,439
| Closed | -$1.46M | – | 476 |
|
|
2023
Q4 | $1.46M | Buy |
+12,439
| New | +$1.16M | 0.01% | 349 |
|
|
2023
Q3 | – | Sell |
-266
| Closed | -$43.8K | – | 505 |
|
|
2023
Q2 | $43.8K | Sell |
266
-8,210
| -97% | -$1.43M | ﹤0.01% | 468 |
|
|
2023
Q1 | $1.56M | Buy |
+8,476
| New | +$1.43M | 0.01% | 362 |
|
|
2022
Q1 | – | Sell |
-16,572
| Closed | -$4.85M | – | 537 |
|
|
2021
Q4 | $4.85M | Hold |
16,572
| – | – | 0.01% | 304 |
|
|
2021
Q3 | $4.49M | Hold |
16,572
| – | – | 0.01% | 297 |
|
|
2021
Q2 | $4.02M | Sell |
16,572
-177,090
| -91% | -$40.4M | 0.01% | 317 |
|
|
2021
Q1 | $44.5M | Sell |
193,662
-7,682
| -4% | -$1.93M | 0.12% | 169 |
|
|
2020
Q4 | $54M | Sell |
201,344
-1,961
| -1% | -$489K | 0.14% | 143 |
|
|
2020
Q3 | $48M | Buy |
203,305
+151,101
| +289% | +$33.9M | 0.14% | 134 |
|
|
2020
Q2 | $11.9M | Buy |
52,204
+21,623
| +71% | +$4.75M | 0.04% | 179 |
|
|
2020
Q1 | $5.42M | Buy |
30,581
+1,142
| +4% | +$196K | 0.02% | 208 |
|
|
2019
Q4 | $4.65M | Sell |
29,439
-22,425
| -43% | -$3.37M | 0.02% | 234 |
|
|
2019
Q3 | $7.72M | Buy |
51,864
+8,127
| +19% | +$1.23M | 0.03% | 194 |
|
|
2019
Q2 | $6.51M | Sell |
43,737
-4,954
| -10% | -$680K | 0.03% | 202 |
|
|
2019
Q1 | $6.73M | Buy |
48,691
+12,005
| +33% | +$1.51M | 0.03% | 204 |
|
|
2018
Q4 | $3.94M | Sell |
36,686
-888
| -2% | -$99K | 0.02% | 231 |
|
|
2018
Q3 | $4.68M | Sell |
37,574
-5,551
| -13% | -$616K | 0.02% | 230 |
|
|
2018
Q2 | $4.21M | Sell |
43,125
-5,147
| -11% | -$489K | 0.02% | 238 |
|
|
2018
Q1 | $4.25M | Buy |
48,272
+7,236
| +18% | +$631K | 0.02% | 238 |
|
|
2017
Q4 | $3.48M | Buy |
41,036
+3,517
| +9% | +$305K | 0.02% | 255 |
|
|
2017
Q3 | $3.25M | Sell |
37,519
-9,305
| -20% | -$823K | 0.02% | 255 |
|
|
2017
Q2 | $4.27M | Sell |
46,824
-17,991
| -28% | -$1.65M | 0.02% | 231 |
|
|
2017
Q1 | $6.04M | Buy |
64,815
+373
| +0.6% | +$30.7K | 0.03% | 209 |
|
|
2016
Q4 | $4.34M | Buy |
64,442
+18,680
| +41% | +$1.15M | 0.02% | 193 |
|
|
2016
Q3 | $2.72M | Buy |
45,762
+14,312
| +46% | +$807K | 0.01% | 244 |
|
|
2016
Q2 | $1.65M | Buy |
+31,450
| New | +$1.48M | 0.01% | 288 |
|
Other funds holding MASI
PCM
Fred Alger Management's MASI Position: Q3 2025 in Review
Fred Alger Management sold out of Masimo (MASI) in Q3 2025, closing a stake of 12,185 shares — an estimated $2.05M sold.
Fred Alger Management first reported a position in MASI in Q2 2016 and held it in 30 quarters. The position peaked at $54M in Q4 2020. 358 funds tracked by Wall St. Rank hold MASI as of Q3 2025.
- Fred Alger Management reported no remaining Masimo position as of Q3 2025 after selling out during the quarter.
- Fred Alger Management sold 12,185 Masimo shares in Q3 2025, an estimated $2.05M.
- Fred Alger Management first reported a position in Masimo in Q2 2016 and held it in 30 quarters.
- Fred Alger Management's Masimo position peaked at $54M in Q4 2020.
- 358 funds tracked by Wall St. Rank held Masimo as of Q3 2025.
Based on Fred Alger Management's 13F filing for Q3 2025, filed 14 Nov 2025.