Verition Fund Management
MASI

Verition Fund Management’s Masimo MASI Stock Holding History

Verition Fund 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 		$11.9M Buy
66,853
+13,833
+26% +$2.17M 0.08% 267
2025
Q4 		$6.9M Buy
53,020
+43,617
+464% +$6.25M 0.03% 663
2025
Q3 		$1.39M Sell
9,403
-8,910
-49% -$1.35M 0.01% 2285
2025
Q2 		$3.08M Sell
18,313
-125,446
-87% -$20M 0.01% 1567
2025
Q1 		$24M Buy
143,759
+136,278
+1,822% +$23.6M 0.11% 169
2024
Q4 		$1.24M Buy
7,481
+5,641
+307% +$891K ﹤0.01% 1906
2024
Q3 		$245K Buy
+1,840
New +$214K ﹤0.01% 2759
2024
Q2 		– Sell
-2,578
Closed -$379K – 3154
2024
Q1 		$379K Buy
+2,578
New +$333K ﹤0.01% 2163
2022
Q4 		– Sell
-2,169
Closed -$306K – 2492
2022
Q3 		$306K Buy
+2,169
New +$317K ﹤0.01% 2212
2022
Q1 		– Sell
-2,130
Closed -$624K – 2897
2021
Q4 		$624K Buy
+2,130
New +$607K ﹤0.01% 1581
2021
Q2 		– Sell
-1,041
Closed -$239K – 2034
2021
Q1 		$239K Buy
+1,041
New +$262K ﹤0.01% 1247
2020
Q3 		– Sell
-1,907
Closed -$435K – 1254
2020
Q2 		$435K Buy
+1,907
New +$419K 0.01% 655
2020
Q1 		– Sell
-1,386
Closed -$219K – 864
2019
Q4 		$219K Buy
+1,386
New +$208K ﹤0.01% 943
2019
Q2 		– Sell
-2,669
Closed -$369K – 1248
2019
Q1 		$369K Buy
+2,669
New +$335K 0.01% 765
2018
Q4 		– Sell
-3,651
Closed -$455K – 1087
2018
Q3 		$455K Sell
3,651
-5,811
-61% -$645K 0.02% 869
2018
Q2 		$924K Buy
+9,462
New +$900K 0.06% 439
2017
Q3 		– Sell
-2,727
Closed -$249K – 1294
2017
Q2 		$249K Sell
2,727
-728
-21% -$66.8K 0.02% 755
2017
Q1 		$322K Sell
3,455
-828
-19% -$68.2K 0.03% 806
2016
Q4 		$289K Buy
4,283
+604
+16% +$37.1K 0.02% 847
2016
Q3 		$219K Sell
3,679
-1,724
-32% -$97.3K 0.02% 956
2016
Q2 		$284K Buy
+5,403
New +$254K 0.04% 624

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

Verition Fund Management's MASI Position: Q1 2026 in Review

Verition Fund Management increased its Masimo (MASI) stake by 26% in Q1 2026, buying an estimated $2.17M and bringing the position to 66,853 shares worth $11.9M. The position accounts for 0.08% of the portfolio, ranked #267.

Verition Fund Management first reported a position in MASI in Q2 2016 and has held it in 21 quarters since. The position peaked at $24M in Q1 2025. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Verition Fund Management held 66,853 shares of Masimo worth $11.9M as of Q1 2026.
  • Verition Fund Management bought 13,833 Masimo shares in Q1 2026, an estimated $2.17M.
  • Masimo made up 0.08% of Verition Fund Management's portfolio in Q1 2026, its #267 holding.
  • Verition Fund Management first reported a position in Masimo in Q2 2016 and has held it in 21 quarters since.
  • Verition Fund Management's Masimo position peaked at $24M in Q1 2025.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

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