Allstate Corporation’s Masimo MASI Stock Holding History

Allstate Corporation’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	$1.4M	Buy	+7,898	New	+$1.24M	0.02%	671
2023 Q1	–	Sell	-3,086	Closed	-$457K	–	422
2022 Q4	$457K	Sell	3,086 -1,200	-28%	-$165K	0.01%	514
2022 Q3	$605K	Buy	4,286 +1,185	+38%	+$173K	0.02%	448
2022 Q2	$405K	Sell	3,101 -2,979	-49%	-$399K	0.01%	539
2022 Q1	$885K	Sell	6,080 -4,706	-44%	-$904K	0.02%	417
2021 Q4	$3.16M	Buy	10,786 +9,890	+1,104%	+$2.82M	0.06%	280
2021 Q3	$243K	Hold	896	–	–	0.01%	666
2021 Q2	$217K	Sell	896 -62	-6%	-$14.1K	0.01%	697
2021 Q1	$220K	Buy	+958	New	+$241K	0.01%	703

Other funds holding MASI

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 London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return

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 Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Allstate Corporation's MASI Position: Q1 2026 in Review

Allstate Corporation opened a new position in Masimo (MASI) in Q1 2026: 7,898 shares worth $1.4M. The stake represents 0.02% of the portfolio and ranks #671 among its holdings. This is a return to the name: Allstate Corporation previously reported a position in MASI as recently as Q4 2022.

Allstate Corporation first reported a position in MASI in Q1 2021 and has held it in 9 quarters since. The position peaked at $3.16M in Q4 2021. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

Allstate Corporation held 7,898 shares of Masimo worth $1.4M as of Q1 2026.
Masimo was a new Allstate Corporation position in Q1 2026.
Masimo made up 0.02% of Allstate Corporation's portfolio in Q1 2026, its #671 holding.
Allstate Corporation first reported a position in Masimo in Q1 2021 and has held it in 9 quarters since.
Allstate Corporation's Masimo position peaked at $3.16M in Q4 2021.
445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Allstate Corporation's 13F filing for Q1 2026, filed 11 May 2026.