First Trust Advisors
MASI

First Trust Advisors’s Masimo MASI Stock Holding History

First Trust Advisors’s Portfolio MASI Stock Details MASI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-2,341
Closed -$304K – 2683
2025
Q4 		$304K Sell
2,341
-59,593
-96% -$8.53M ﹤0.01% 2456
2025
Q3 		$9.14M Sell
61,934
-37,678
-38% -$5.7M 0.01% 1124
2025
Q2 		$16.8M Sell
99,612
-45,552
-31% -$7.28M 0.01% 951
2025
Q1 		$24.2M Buy
145,164
+97,836
+207% +$17M 0.02% 803
2024
Q4 		$7.82M Buy
47,328
+41,952
+780% +$6.62M 0.01% 1151
2024
Q3 		$717K Sell
5,376
-74,029
-93% -$8.59M ﹤0.01% 2094
2024
Q2 		$10M Buy
79,405
+16,879
+27% +$2.22M 0.01% 1018
2024
Q1 		$9.18M Buy
62,526
+59,335
+1,859% +$7.66M 0.01% 1041
2023
Q4 		$374K Sell
3,191
-101,653
-97% -$9.47M ﹤0.01% 2205
2023
Q3 		$9.19M Sell
104,844
-74,431
-42% -$8.66M 0.01% 1009
2023
Q2 		$29.5M Buy
179,275
+136,015
+314% +$23.7M 0.03% 580
2023
Q1 		$7.98M Sell
43,260
-82,061
-65% -$13.8M 0.01% 1051
2022
Q4 		$18.5M Buy
125,321
+76,928
+159% +$10.6M 0.02% 754
2022
Q3 		$6.83M Sell
48,393
-36,527
-43% -$5.34M 0.01% 1066
2022
Q2 		$11.1M Buy
84,920
+55,582
+189% +$7.44M 0.01% 923
2022
Q1 		$4.27M Sell
29,338
-44,273
-60% -$8.5M ﹤0.01% 1423
2021
Q4 		$21.6M Buy
73,611
+46,901
+176% +$13.4M 0.02% 817
2021
Q3 		$7.23M Buy
26,710
+22,756
+576% +$6.17M 0.01% 1125
2021
Q2 		$958K Sell
3,954
-66,227
-94% -$15.1M ﹤0.01% 2075
2021
Q1 		$16.1M Buy
70,181
+3,543
+5% +$890K 0.02% 784
2020
Q4 		$17.9M Sell
66,638
-14,141
-18% -$3.53M 0.02% 649
2020
Q3 		$19.1M Sell
80,779
-57,661
-42% -$12.9M 0.03% 554
2020
Q2 		$31.6M Buy
138,440
+34,317
+33% +$7.53M 0.05% 439
2020
Q1 		$18.4M Buy
104,123
+35,921
+53% +$6.16M 0.04% 505
2019
Q4 		$10.8M Sell
68,202
-90,370
-57% -$13.6M 0.02% 816
2019
Q3 		$23.6M Sell
158,572
-19,282
-11% -$2.93M 0.04% 517
2019
Q2 		$26.5M Sell
177,854
-102,760
-37% -$14.1M 0.05% 476
2019
Q1 		$38.8M Sell
280,614
-109,462
-28% -$13.7M 0.08% 327
2018
Q4 		$41.9M Buy
390,076
+252,980
+185% +$28.2M 0.1% 256
2018
Q3 		$17.1M Buy
137,096
+125,890
+1,123% +$14M 0.03% 665
2018
Q2 		$1.09M Buy
11,206
+7,659
+216% +$728K ﹤0.01% 1902
2018
Q1 		$312K Buy
3,547
+1,064
+43% +$92.7K ﹤0.01% 2147
2017
Q4 		$211K Sell
2,483
-20,422
-89% -$1.77M ﹤0.01% 2318
2017
Q3 		$1.98M Sell
22,905
-36,060
-61% -$3.19M 0.01% 1481
2017
Q2 		$5.38M Sell
58,965
-9,806
-14% -$900K 0.01% 993
2017
Q1 		$6.41M Buy
68,771
+14,360
+26% +$1.18M 0.02% 940
2016
Q4 		$3.67M Buy
54,411
+20,173
+59% +$1.24M 0.01% 1125
2016
Q3 		$2.04M Buy
34,238
+2,215
+7% +$125K 0.01% 1329
2016
Q2 		$1.68M Sell
32,023
-6,399
-17% -$301K 0.01% 1390
2016
Q1 		$1.61M Sell
38,422
-21,895
-36% -$824K 0.01% 1425
2015
Q4 		$2.5M Sell
60,317
-25,894
-30% -$1.06M 0.01% 1274
2015
Q3 		$3.32M Buy
86,211
+1,813
+2% +$74.1K 0.01% 1137
2015
Q2 		$3.27M Buy
84,398
+61,887
+275% +$2.22M 0.01% 1238
2015
Q1 		$742K Buy
+22,511
New +$647K ﹤0.01% 1841
2014
Q3 		– Sell
-40,310
Closed -$951K – 2272
2014
Q2 		$951K Sell
40,310
-63,672
-61% -$1.58M ﹤0.01% 1712
2014
Q1 		$2.84M Sell
103,982
-9,375
-8% -$267K 0.01% 1214
2013
Q4 		$3.31M Buy
113,357
+83,903
+285% +$2.35M 0.02% 1122
2013
Q3 		$785K Buy
29,454
+1,027
+4% +$25.3K ﹤0.01% 1671
2013
Q2 		$603K Buy
+28,427
New +$598K ﹤0.01% 1713

Other funds holding MASI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PCM
Politan Capital Management New York $985M AUM 3.12% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

First Trust Advisors's MASI Position: Q1 2026 in Review

First Trust Advisors sold out of Masimo (MASI) in Q1 2026, closing a stake of 2,341 shares — an estimated $304K sold.

First Trust Advisors first reported a position in MASI in Q2 2013 and held it in 49 quarters. The position peaked at $41.9M in Q4 2018. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • First Trust Advisors reported no remaining Masimo position as of Q1 2026 after selling out during the quarter.
  • First Trust Advisors sold 2,341 Masimo shares in Q1 2026, an estimated $304K.
  • First Trust Advisors first reported a position in Masimo in Q2 2013 and held it in 49 quarters.
  • First Trust Advisors's Masimo position peaked at $41.9M in Q4 2018.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on First Trust Advisors's 13F filing for Q1 2026, filed 13 May 2026.