AIMCA
MASI

Alberta Investment Management Corp (AIMCo)’s Masimo MASI Stock Holding History

Alberta Investment Management Corp (AIMCo)’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 		$6.07M Buy
+34,107
New +$5.35M 0.04% 250
2023
Q2 		– Sell
-1,100
Closed -$203K – 1267
2023
Q1 		$203K Buy
+1,100
New +$186K ﹤0.01% 1170
2022
Q4 		– Sell
-7,741
Closed -$1.09M – 1176
2022
Q3 		$1.09M Sell
7,741
-9,000
-54% -$1.31M 0.01% 884
2022
Q2 		$2.19M Buy
16,741
+437
+3% +$58.5K 0.02% 697
2022
Q1 		$2.37M Buy
16,304
+7,604
+87% +$1.46M 0.01% 740
2021
Q4 		$2.55M Hold
8,700
– – 0.02% 562
2021
Q3 		$2.35M Buy
8,700
+100
+1% +$27.1K 0.02% 600
2021
Q2 		$2.08M Buy
8,600
+1,500
+21% +$342K 0.02% 620
2021
Q1 		$1.63M Buy
+7,100
New +$1.78M 0.01% 579
2019
Q3 		– Sell
-1,600
Closed -$238K – 963
2019
Q2 		$238K Buy
+1,600
New +$220K ﹤0.01% 852
2017
Q4 		– Sell
-4,100
Closed -$355K – 776
2017
Q3 		$355K Buy
+4,100
New +$363K ﹤0.01% 676
2016
Q4 		– Sell
-7,000
Closed -$416K – 773
2016
Q3 		$416K Buy
+7,000
New +$395K ﹤0.01% 626

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

Alberta Investment Management Corp (AIMCo)'s MASI Position: Q1 2026 in Review

Alberta Investment Management Corp (AIMCo) opened a new position in Masimo (MASI) in Q1 2026: 34,107 shares worth $6.07M. The stake represents 0.04% of the portfolio and ranks #250 among its holdings. This is a return to the name: Alberta Investment Management Corp (AIMCo) previously reported a position in MASI as recently as Q1 2023.

Alberta Investment Management Corp (AIMCo) first reported a position in MASI in Q3 2016 and has held it in 12 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Alberta Investment Management Corp (AIMCo) held 34,107 shares of Masimo worth $6.07M as of Q1 2026.
  • Masimo was a new Alberta Investment Management Corp (AIMCo) position in Q1 2026.
  • Masimo made up 0.04% of Alberta Investment Management Corp (AIMCo)'s portfolio in Q1 2026, its #250 holding.
  • Alberta Investment Management Corp (AIMCo) first reported a position in Masimo in Q3 2016 and has held it in 12 quarters since.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Alberta Investment Management Corp (AIMCo)'s 13F filing for Q1 2026, filed 29 Apr 2026.