Voloridge Investment Management
MASI

Voloridge Investment Management’s Masimo MASI Stock Holding History

Voloridge Investment Management’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 		$12.5M Buy
70,000
+30,443
+77% +$4.78M 0.05% 447
2025
Q4 		$5.14M Buy
39,557
+36,694
+1,282% +$5.25M 0.02% 754
2025
Q3 		$422K Buy
+2,863
New +$433K ﹤0.01% 1108
2023
Q4 		– Sell
-67,795
Closed -$5.94M – 1340
2023
Q3 		$5.94M Buy
+67,795
New +$7.89M 0.03% 600
2022
Q3 		– Sell
-91,890
Closed -$12M – 1529
2022
Q2 		$12M Sell
91,890
-49,998
-35% -$6.69M 0.06% 387
2022
Q1 		$20.6M Buy
+141,888
New +$27.2M 0.12% 245
2021
Q4 		– Sell
-7,069
Closed -$1.91M – 1727
2021
Q3 		$1.91M Buy
+7,069
New +$1.92M 0.01% 1069
2021
Q2 		– Sell
-9,106
Closed -$2.09M – 1710
2021
Q1 		$2.09M Sell
9,106
-2,860
-24% -$718K 0.02% 811
2020
Q4 		$3.21M Buy
+11,966
New +$2.98M 0.03% 582
2020
Q3 		– Sell
-9,212
Closed -$2.1M – 1392
2020
Q2 		$2.1M Buy
+9,212
New +$2.02M 0.02% 600
2020
Q1 		– Sell
-23,448
Closed -$3.71M – 1268
2019
Q4 		$3.71M Buy
+23,448
New +$3.52M 0.07% 349
2019
Q3 		– Sell
-19,954
Closed -$2.97M – 1160
2019
Q2 		$2.97M Buy
19,954
+16,813
+535% +$2.31M 0.08% 257
2019
Q1 		$434K Buy
+3,141
New +$394K 0.01% 705
2017
Q2 		– Sell
-15,896
Closed -$1.48M – 506
2017
Q1 		$1.48M Buy
15,896
+1,041
+7% +$85.7K 0.04% 346
2016
Q4 		$1M Buy
+14,855
New +$913K 0.02% 495

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

Voloridge Investment Management's MASI Position: Q1 2026 in Review

Voloridge Investment Management increased its Masimo (MASI) stake by 77% in Q1 2026, buying an estimated $4.78M and bringing the position to 70,000 shares worth $12.5M. The position accounts for 0.05% of the portfolio, ranked #447.

Voloridge Investment Management first reported a position in MASI in Q4 2016 and has held it in 15 quarters since. The position peaked at $20.6M in Q1 2022. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Voloridge Investment Management held 70,000 shares of Masimo worth $12.5M as of Q1 2026.
  • Voloridge Investment Management bought 30,443 Masimo shares in Q1 2026, an estimated $4.78M.
  • Masimo made up 0.05% of Voloridge Investment Management's portfolio in Q1 2026, its #447 holding.
  • Voloridge Investment Management first reported a position in Masimo in Q4 2016 and has held it in 15 quarters since.
  • Voloridge Investment Management's Masimo position peaked at $20.6M in Q1 2022.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Voloridge Investment Management's 13F filing for Q1 2026, filed 15 May 2026.