VF
MASI

Virtu Financial’s Masimo MASI Stock Holding History

Virtu Financial’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 		– Sell
-1,985
Closed -$258K – 2027
2025
Q4 		$258K Buy
+1,985
New +$284K 0.01% 919
2025
Q1 		– Sell
-1,478
Closed -$244K – 1748
2024
Q4 		$244K Buy
+1,478
New +$233K 0.01% 798
2024
Q1 		– Sell
-11,611
Closed -$1.36M – 1794
2023
Q4 		$1.36M Sell
11,611
-10,762
-48% -$1M 0.11% 158
2023
Q3 		$1.96M Buy
+22,373
New +$2.6M 0.2% 91
2022
Q2 		– Sell
-5,341
Closed -$777K – 1862
2022
Q1 		$777K Buy
+5,341
New +$1.03M 0.06% 268
2021
Q4 		– Sell
-2,894
Closed -$783K – 1982
2021
Q3 		$783K Buy
+2,894
New +$785K 0.07% 289
2021
Q2 		– Sell
-1,146
Closed -$263K – 1837
2021
Q1 		$263K Sell
1,146
-67
-6% -$16.8K 0.02% 891
2020
Q4 		$326K Buy
+1,213
New +$302K 0.04% 608
2019
Q4 		$512K Buy
+3,240
New +$487K 0.05% 410

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

Virtu Financial's MASI Position: Q1 2026 in Review

Virtu Financial sold out of Masimo (MASI) in Q1 2026, closing a stake of 1,985 shares — an estimated $258K sold.

Virtu Financial first reported a position in MASI in Q4 2019 and held it in 9 quarters. The position peaked at $1.96M in Q3 2023. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Virtu Financial reported no remaining Masimo position as of Q1 2026 after selling out during the quarter.
  • Virtu Financial sold 1,985 Masimo shares in Q1 2026, an estimated $258K.
  • Virtu Financial first reported a position in Masimo in Q4 2019 and held it in 9 quarters.
  • Virtu Financial's Masimo position peaked at $1.96M in Q3 2023.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Virtu Financial's 13F filing for Q1 2026, filed 14 May 2026.