Canada Pension Plan Investment Board’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
$37.3M Buy
209,500
+171,000
+444% +$26.8M 0.02% 398
2025
Q4
$5.01M Buy
38,500
+22,700
+144% +$3.25M ﹤0.01% 781
2025
Q3
$2.33M Hold
15,800
﹤0.01% 896
2025
Q2
$2.66M Hold
15,800
﹤0.01% 818
2025
Q1
$2.63M Sell
15,800
-300
-2% -$52.1K ﹤0.01% 775
2024
Q4
$2.66M Sell
16,100
-88,200
-85% -$13.9M ﹤0.01% 824
2024
Q3
$13.9M Buy
+104,300
New +$12.1M 0.01% 514
2023
Q1
Sell
-150,000
Closed -$22.2M 1152
2022
Q4
$22.2M Sell
150,000
-168,600
-53% -$23.2M 0.04% 314
2022
Q3
$45M Buy
318,600
+253,710
+391% +$37.1M 0.08% 231
2022
Q2
$8.48M Buy
64,890
+62,500
+2,615% +$8.36M 0.01% 456
2022
Q1
$348K Buy
2,390
+2,175
+1,012% +$418K ﹤0.01% 1004
2021
Q4
$63K Sell
215
-42,924
-100% -$12.2M ﹤0.01% 1358
2021
Q3
$11.7M Sell
43,139
-11,030
-20% -$2.99M 0.01% 545
2021
Q2
$13.1M Buy
54,169
+50,702
+1,462% +$11.6M 0.02% 493
2021
Q1
$796K Sell
3,467
-6,387
-65% -$1.6M ﹤0.01% 1023
2020
Q4
$2.65M Buy
9,854
+7,133
+262% +$1.78M ﹤0.01% 753
2020
Q3
$642K Buy
2,721
+828
+44% +$186K ﹤0.01% 797
2020
Q2
$431K Sell
1,893
-21,665
-92% -$4.75M ﹤0.01% 1082
2020
Q1
$4.17M Buy
23,558
+351
+2% +$60.2K 0.01% 549
2019
Q4
$3.67M Buy
23,207
+4,307
+23% +$647K 0.01% 696
2019
Q3
$2.81M Sell
18,900
-22,300
-54% -$3.39M 0.01% 786
2019
Q2
$6.13M Sell
41,200
-66,240
-62% -$9.09M 0.01% 675
2019
Q1
$14.9M Sell
107,440
-10,760
-9% -$1.35M 0.03% 477
2018
Q4
$12.7M Buy
118,200
+79,350
+204% +$8.85M 0.03% 486
2018
Q3
$4.84M Sell
38,850
-36,050
-48% -$4M 0.01% 826
2018
Q2
$7.31M Sell
74,900
-125,700
-63% -$12M 0.01% 686
2018
Q1
$17.6M Buy
+200,600
New +$17.5M 0.03% 449
2017
Q4
Sell
-16,800
Closed -$1.45M 1201
2017
Q3
$1.45M Hold
16,800
﹤0.01% 890
2017
Q2
$1.53M Sell
16,800
-90,500
-84% -$8.31M ﹤0.01% 866
2017
Q1
$10M Buy
+107,300
New +$8.83M 0.03% 454

Other funds holding MASI

Canada Pension Plan Investment Board's MASI Position: Q1 2026 in Review

Canada Pension Plan Investment Board increased its Masimo (MASI) stake by 444% in Q1 2026, buying an estimated $26.8M and bringing the position to 209,500 shares worth $37.3M. The position accounts for 0.02% of the portfolio, ranked #398.

Canada Pension Plan Investment Board first reported a position in MASI in Q1 2017 and has held it in 30 quarters since. The position peaked at $45M in Q3 2022. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Canada Pension Plan Investment Board held 209,500 shares of Masimo worth $37.3M as of Q1 2026.
  • Canada Pension Plan Investment Board bought 171,000 Masimo shares in Q1 2026, an estimated $26.8M.
  • Masimo made up 0.02% of Canada Pension Plan Investment Board's portfolio in Q1 2026, its #398 holding.
  • Canada Pension Plan Investment Board first reported a position in Masimo in Q1 2017 and has held it in 30 quarters since.
  • Canada Pension Plan Investment Board's Masimo position peaked at $45M in Q3 2022.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Canada Pension Plan Investment Board's 13F filing for Q1 2026, filed 15 May 2026.