Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
MASI

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’s Masimo MASI Stock Holding History

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’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 		$12M Buy
+67,600
New +$10.6M 0.02% 493
2025
Q1 		– Sell
-3,587
Closed -$593K – 1198
2024
Q4 		$593K Sell
3,587
-27,313
-88% -$4.31M ﹤0.01% 854
2024
Q3 		$4.12M Buy
+30,900
New +$3.59M 0.01% 523
2023
Q1 		– Sell
-21,000
Closed -$3.11M – 1399
2022
Q4 		$3.11M Sell
21,000
-124,500
-86% -$17.1M 0.02% 594
2022
Q3 		$20.5M Buy
145,500
+65,223
+81% +$9.53M 0.1% 122
2022
Q2 		$10.5M Buy
80,277
+48,777
+155% +$6.53M 0.05% 236
2022
Q1 		$4.58M Buy
+31,500
New +$6.05M 0.02% 563
2021
Q3 		– Sell
-383
Closed -$93K – 1856
2021
Q2 		$93K Buy
+383
New +$87.4K ﹤0.01% 1565

Other funds holding MASI

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $315B AUM 27.84% 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 $3.37T AUM 44.26% 1-Year Est. Return

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's MASI Position: Q1 2026 in Review

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund opened a new position in Masimo (MASI) in Q1 2026: 67,600 shares worth $12M. The stake represents 0.02% of the portfolio and ranks #493 among its holdings. This is a return to the name: Healthcare of Ontario Pension Plan (HOOPP) Trust Fund previously reported a position in MASI as recently as Q4 2024.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in MASI in Q2 2021 and has held it in 8 quarters since. The position peaked at $20.5M in Q3 2022. 446 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Healthcare of Ontario Pension Plan (HOOPP) Trust Fund held 67,600 shares of Masimo worth $12M as of Q1 2026.
  • Masimo was a new Healthcare of Ontario Pension Plan (HOOPP) Trust Fund position in Q1 2026.
  • Masimo made up 0.02% of Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's portfolio in Q1 2026, its #493 holding.
  • Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in Masimo in Q2 2021 and has held it in 8 quarters since.
  • Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's Masimo position peaked at $20.5M in Q3 2022.
  • 446 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's 13F filing for Q1 2026, filed 14 May 2026.