Qube Research & Technologies (QRT)
MASI

Qube Research & Technologies (QRT)’s Masimo MASI Stock Holding History

Qube Research & Technologies (QRT)’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 		$51.8M Sell
291,481
-2,055
-0.7% -$323K 0.06% 418
2025
Q4 		$38.2M Buy
+293,536
New +$42M 0.04% 621
2024
Q2 		– Sell
-1,037
Closed -$152K – 4369
2024
Q1 		$152K Buy
1,037
+353
+52% +$45.6K ﹤0.01% 3146
2023
Q4 		$80.2K Sell
684
-30,699
-98% -$2.86M ﹤0.01% 3166
2023
Q3 		$2.75M Sell
31,383
-7,792
-20% -$907K 0.01% 1212
2023
Q2 		$6.45M Buy
+39,175
New +$6.82M 0.02% 649
2023
Q1 		– Sell
-1,644
Closed -$243K – 2835
2022
Q4 		$243K Buy
+1,644
New +$226K ﹤0.01% 1729
2022
Q2 		– Sell
-73,045
Closed -$10.6M – 2881
2022
Q1 		$10.6M Buy
73,045
+38,960
+114% +$7.48M 0.09% 285
2021
Q4 		$9.98M Buy
+34,085
New +$9.71M 0.08% 345
2021
Q2 		– Sell
-21,134
Closed -$4.85M – 2592
2021
Q1 		$4.85M Buy
21,134
+7,693
+57% +$1.93M 0.08% 340
2020
Q4 		$3.61M Buy
+13,441
New +$3.35M 0.05% 404
2020
Q3 		– Sell
-30,614
Closed -$6.98M – 1946
2020
Q2 		$6.98M Buy
30,614
+21,773
+246% +$4.78M 0.1% 253
2020
Q1 		$1.57M Buy
8,841
+714
+9% +$122K 0.06% 276
2019
Q4 		$1.28M Buy
+8,127
New +$1.22M 0.04% 514
2019
Q3 		– Sell
-2,084
Closed -$310K – 371
2019
Q2 		$310K Buy
+2,084
New +$286K 0.07% 257
2018
Q4 		– Sell
-1,481
Closed -$184K – 644
2018
Q3 		$184K Buy
1,481
+754
+104% +$83.6K 0.02% 535
2018
Q2 		$71K Buy
+727
New +$69.1K 0.04% 399

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

Qube Research & Technologies (QRT)'s MASI Position: Q1 2026 in Review

Qube Research & Technologies (QRT) reduced its Masimo (MASI) stake by 0.7% in Q1 2026, selling an estimated $323K and leaving 291,481 shares worth $51.8M. The position accounts for 0.06% of the portfolio, ranked #418.

Qube Research & Technologies (QRT) first reported a position in MASI in Q2 2018 and has held it in 17 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Qube Research & Technologies (QRT) held 291,481 shares of Masimo worth $51.8M as of Q1 2026.
  • Qube Research & Technologies (QRT) sold 2,055 Masimo shares in Q1 2026, an estimated $323K.
  • Masimo made up 0.06% of Qube Research & Technologies (QRT)'s portfolio in Q1 2026, its #418 holding.
  • Qube Research & Technologies (QRT) first reported a position in Masimo in Q2 2018 and has held it in 17 quarters since.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q1 2026, filed 15 May 2026.