Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$256M Buy
1,437,724
+22,528
+2% +$3.54M 0.01% 833
2025
Q4
$184M Sell
1,415,196
-69,275
-5% -$9.92M 0.01% 986
2025
Q3
$219M Sell
1,484,471
-1,923
-0.1% -$291K 0.01% 884
2025
Q2
$250M Buy
1,486,394
+10,403
+0.7% +$1.66M 0.01% 777
2025
Q1
$246M Buy
1,475,991
+12,525
+0.9% +$2.17M 0.01% 783
2024
Q4
$242M Buy
1,463,466
+24,652
+2% +$3.89M 0.01% 826
2024
Q3
$192M Buy
1,438,814
+10,179
+0.7% +$1.18M 0.01% 946
2024
Q2
$180M Buy
1,428,635
+68,313
+5% +$9M 0.01% 923
2024
Q1
$200M Buy
1,360,322
+2,920
+0.2% +$377K 0.01% 871
2023
Q4
$159M Sell
1,357,402
-45,806
-3% -$4.27M 0.01% 983
2023
Q3
$123M Sell
1,403,208
-261,578
-16% -$30.4M 0.01% 1045
2023
Q2
$274M Sell
1,664,786
-46,809
-3% -$8.15M 0.01% 657
2023
Q1
$316M Buy
1,711,595
+12,836
+0.8% +$2.17M 0.02% 603
2022
Q4
$251M Buy
1,698,759
+41,611
+3% +$5.73M 0.01% 671
2022
Q3
$234M Sell
1,657,148
-33,366
-2% -$4.87M 0.01% 680
2022
Q2
$221M Sell
1,690,514
-40,477
-2% -$5.42M 0.01% 695
2022
Q1
$252M Buy
1,730,991
+27,261
+2% +$5.23M 0.01% 736
2021
Q4
$499M Buy
1,703,730
+13,399
+0.8% +$3.82M 0.02% 540
2021
Q3
$458M Sell
1,690,331
-8,349
-0.5% -$2.26M 0.02% 554
2021
Q2
$412M Buy
1,698,680
+69,274
+4% +$15.8M 0.02% 591
2021
Q1
$374M Sell
1,629,406
-37,643
-2% -$9.46M 0.02% 589
2020
Q4
$447M Buy
1,667,049
+21,964
+1% +$5.48M 0.03% 511
2020
Q3
$388M Sell
1,645,085
-9,994
-0.6% -$2.24M 0.03% 494
2020
Q2
$377M Buy
1,655,079
+421,454
+34% +$92.5M 0.03% 497
2020
Q1
$219M Buy
1,233,625
+41,833
+4% +$7.17M 0.02% 580
2019
Q4
$188M Sell
1,191,792
-16,758
-1% -$2.52M 0.01% 728
2019
Q3
$180M Sell
1,208,550
-44,581
-4% -$6.77M 0.01% 720
2019
Q2
$186M Buy
1,253,131
+5,101
+0.4% +$700K 0.01% 717
2019
Q1
$173M Buy
1,248,030
+49,402
+4% +$6.2M 0.01% 727
2018
Q4
$129M Sell
1,198,628
-90,688
-7% -$10.1M 0.01% 778
2018
Q3
$161M Buy
1,289,316
+36,983
+3% +$4.1M 0.01% 796
2018
Q2
$122M Sell
1,252,333
-328,718
-21% -$31.3M 0.01% 903
2018
Q1
$139M Sell
1,581,051
-64,212
-4% -$5.6M 0.01% 819
2017
Q4
$140M Buy
1,645,263
+53,523
+3% +$4.64M 0.01% 835
2017
Q3
$138M Buy
1,591,740
+44,012
+3% +$3.89M 0.01% 815
2017
Q2
$141M Buy
1,547,728
+146,212
+10% +$13.4M 0.01% 795
2017
Q1
$131M Buy
1,401,516
+419,767
+43% +$34.6M 0.01% 813
2016
Q4
$66.2M Buy
981,749
+35,945
+4% +$2.21M 0.01% 1123
2016
Q3
$56.3M Buy
945,804
+76,202
+9% +$4.3M 0.01% 1167
2016
Q2
$45.7M Sell
869,602
-21,335
-2% -$1M ﹤0.01% 1230
2016
Q1
$37.3M Buy
890,937
+26,485
+3% +$996K ﹤0.01% 1310
2015
Q4
$35.9M Buy
864,452
+19,856
+2% +$811K ﹤0.01% 1345
2015
Q3
$32.6M Sell
844,596
-16,405
-2% -$670K ﹤0.01% 1416
2015
Q2
$33.4M Sell
861,001
-24,872
-3% -$891K ﹤0.01% 1519
2015
Q1
$29.2M Buy
885,873
+10,401
+1% +$299K ﹤0.01% 1570
2014
Q4
$23.1M Sell
875,472
-71,292
-8% -$1.76M ﹤0.01% 1702
2014
Q3
$20.1M Sell
946,764
-36,317
-4% -$829K ﹤0.01% 1745
2014
Q2
$23.2M Sell
983,081
-611,726
-38% -$15.2M ﹤0.01% 1721
2014
Q1
$43.6M Buy
1,594,807
+5,737
+0.4% +$164K ﹤0.01% 1282
2013
Q4
$46.4M Sell
1,589,070
-27,789
-2% -$778K 0.01% 1239
2013
Q3
$43.1M Sell
1,616,859
-38,009
-2% -$937K 0.01% 1261
2013
Q2
$35.1M Buy
+1,654,868
New +$34.8M ﹤0.01% 1306

Other funds holding MASI

State Street's MASI Position: Q1 2026 in Review

State Street increased its Masimo (MASI) stake by 1.6% in Q1 2026, buying an estimated $3.54M and bringing the position to 1,437,724 shares worth $256M. The position accounts for 0.01% of the portfolio, ranked #833.

State Street first reported a position in MASI in Q2 2013 and has held it in 52 quarters since. The position peaked at $499M in Q4 2021. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • State Street held 1,437,724 shares of Masimo worth $256M as of Q1 2026.
  • State Street bought 22,528 Masimo shares in Q1 2026, an estimated $3.54M.
  • Masimo made up 0.01% of State Street's portfolio in Q1 2026, its #833 holding.
  • State Street first reported a position in Masimo in Q2 2013 and has held it in 52 quarters since.
  • State Street's Masimo position peaked at $499M in Q4 2021.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on State Street's 13F filing for Q1 2026, filed 15 May 2026.