JP Morgan Chase
MASI

JP Morgan Chase’s Masimo MASI Stock Holding History

JP Morgan Chase’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 		$102M Buy
572,645
+454,847
+386% +$71.4M 0.01% 975
2025
Q4 		$15.3M Buy
117,798
+9,857
+9% +$1.41M ﹤0.01% 2296
2025
Q3 		$15.9M Sell
107,941
-30,149
-22% -$4.56M ﹤0.01% 2288
2025
Q2 		$23.2M Sell
138,090
-108,399
-44% -$17.3M ﹤0.01% 1843
2025
Q1 		$41.1M Buy
246,489
+117,850
+92% +$20.4M ﹤0.01% 1429
2024
Q4 		$21.3M Sell
128,639
-27,214
-17% -$4.3M ﹤0.01% 1986
2024
Q3 		$20.8M Buy
155,853
+7,726
+5% +$896K ﹤0.01% 1962
2024
Q2 		$18.7M Sell
148,127
-209,931
-59% -$27.6M ﹤0.01% 1918
2024
Q1 		$52.6M Buy
358,058
+2,859
+0.8% +$369K ﹤0.01% 1256
2023
Q4 		$41.6M Buy
355,199
+263,324
+287% +$24.5M ﹤0.01% 1313
2023
Q3 		$8.06M Sell
91,875
-143,975
-61% -$16.8M ﹤0.01% 2446
2023
Q2 		$38.8M Sell
235,850
-28,713
-11% -$5M ﹤0.01% 1235
2023
Q1 		$48.8M Sell
264,563
-3,736
-1% -$630K 0.01% 1116
2022
Q4 		$39.7M Sell
268,299
-80,414
-23% -$11.1M 0.01% 1232
2022
Q3 		$49.2M Sell
348,713
-9,936
-3% -$1.45M 0.01% 1051
2022
Q2 		$46.9M Buy
358,649
+1,458
+0.4% +$195K 0.01% 1076
2022
Q1 		$52M Buy
357,191
+169,506
+90% +$32.5M 0.01% 1147
2021
Q4 		$55M Buy
187,685
+87,510
+87% +$24.9M 0.01% 1164
2021
Q3 		$27.1M Sell
100,175
-28,514
-22% -$7.73M ﹤0.01% 1539
2021
Q2 		$31.2M Sell
128,689
-48,774
-27% -$11.1M ﹤0.01% 1486
2021
Q1 		$40.8M Buy
177,463
+38,907
+28% +$9.77M 0.01% 1256
2020
Q4 		$37.2M Buy
138,556
+29,789
+27% +$7.43M 0.01% 1221
2020
Q3 		$25.3M Sell
108,767
-107,128
-50% -$24M ﹤0.01% 1337
2020
Q2 		$49.2M Buy
215,895
+148,139
+219% +$32.5M 0.01% 890
2020
Q1 		$12M Sell
67,756
-46,078
-40% -$7.9M ﹤0.01% 1608
2019
Q4 		$18M Buy
113,834
+201
+0.2% +$30.2K ﹤0.01% 1680
2019
Q3 		$16.9M Sell
113,633
-13,455
-11% -$2.04M ﹤0.01% 1725
2019
Q2 		$18.5M Buy
127,088
+34,473
+37% +$4.73M ﹤0.01% 1621
2019
Q1 		$12.8M Sell
92,615
-9,951
-10% -$1.25M ﹤0.01% 1846
2018
Q4 		$11M Sell
102,566
-27,955
-21% -$3.12M ﹤0.01% 1938
2018
Q3 		$16.3M Sell
130,521
-74,492
-36% -$8.26M ﹤0.01% 1826
2018
Q2 		$20M Sell
205,013
-218,203
-52% -$20.7M ﹤0.01% 1580
2018
Q1 		$37.2M Sell
423,216
-348,244
-45% -$30.4M 0.01% 1104
2017
Q4 		$65.4M Sell
771,460
-79,774
-9% -$6.92M 0.01% 851
2017
Q3 		$72.3M Buy
851,234
+48,536
+6% +$4.29M 0.02% 753
2017
Q2 		$73.2M Buy
802,698
+347,360
+76% +$31.9M 0.02% 745
2017
Q1 		$42.5M Buy
455,338
+45,833
+11% +$3.77M 0.01% 1013
2016
Q4 		$27.6M Buy
409,505
+67,866
+20% +$4.17M 0.01% 1258
2016
Q3 		$20.3M Buy
341,639
+209,509
+159% +$11.8M 0.01% 1358
2016
Q2 		$6.94M Buy
132,130
+6,991
+6% +$329K ﹤0.01% 2076
2016
Q1 		$5.24M Sell
125,139
-8,376
-6% -$315K ﹤0.01% 2194
2015
Q4 		$5.54M Sell
133,515
-9,278
-6% -$379K ﹤0.01% 2163
2015
Q3 		$5.51M Buy
142,793
+85,994
+151% +$3.51M ﹤0.01% 2164
2015
Q2 		$2.2M Sell
56,799
-147,720
-72% -$5.29M ﹤0.01% 2859
2015
Q1 		$6.75M Sell
204,519
-97,165
-32% -$2.79M ﹤0.01% 2152
2014
Q4 		$7.95M Buy
301,684
+20,259
+7% +$500K ﹤0.01% 2103
2014
Q3 		$5.99M Buy
281,425
+249,152
+772% +$5.69M ﹤0.01% 2246
2014
Q2 		$762K Buy
32,273
+19,010
+143% +$472K ﹤0.01% 2968
2014
Q1 		$363K Sell
13,263
-30,942
-70% -$882K ﹤0.01% 3241
2013
Q4 		$1.29M Sell
44,205
-3,733
-8% -$104K ﹤0.01% 3016
2013
Q3 		$1.28M Buy
47,938
+12,141
+34% +$299K ﹤0.01% 3115
2013
Q2 		$759K Buy
+35,797
New +$753K ﹤0.01% 3417

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

JP Morgan Chase's MASI Position: Q1 2026 in Review

JP Morgan Chase increased its Masimo (MASI) stake by 386% in Q1 2026, buying an estimated $71.4M and bringing the position to 572,645 shares worth $102M. The position accounts for 0.01% of the portfolio, ranked #975.

JP Morgan Chase first reported a position in MASI in Q2 2013 and has held it in 52 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • JP Morgan Chase held 572,645 shares of Masimo worth $102M as of Q1 2026.
  • JP Morgan Chase bought 454,847 Masimo shares in Q1 2026, an estimated $71.4M.
  • Masimo made up 0.01% of JP Morgan Chase's portfolio in Q1 2026, its #975 holding.
  • JP Morgan Chase first reported a position in Masimo in Q2 2013 and has held it in 52 quarters since.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on JP Morgan Chase's 13F filing for Q1 2026, filed 13 May 2026.