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ALLIANCEBERNSTEIN L.P.

Position in MASI — Masimo Corp

CIK 1109448 NASHVILLE, TN

Position in MASI

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$80,993,815
+$73,941,572 QoQ
Shares Held
455,354
+739.8% QoQ
Ownership
0.870%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#23
of 445 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 77.23221932825889.ToString("F0")% Shared 0.ToString("F0")% None 22.767780671741107.ToString("F0")%

Common Shares in MASI Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Mar 31, 2026

ALLIANCEBERNSTEIN L.P. holds $5,594,760,047 across 72 Medical Devices names. MASI ranks #12 (1.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MASI

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $80,993,815 455,354
2025-12-31 $7,052,243 54,223
2025-09-30 $7,902,925 53,561
2025-06-30 $141,988,950 844,067
2025-03-31 $144,253,942 865,870
2024-12-31 $156,603,732 947,391
2024-09-30 $9,173,637 68,804
2024-06-30 $7,797,575 61,915
2024-03-31 $8,965,926 61,055
2023-12-31 $7,913,667 67,517
2023-09-30 $5,438,965 62,032
2023-06-30 $11,459,755 69,643
2023-03-31 $13,253,478 71,819
2022-12-31 $12,679,315 85,700
2022-09-30 $10,665,626 75,557
2022-06-30 $10,397,150 79,568
2022-03-31 $11,506,246 79,059
2021-12-31 $23,503,207 80,276
2021-09-30 $22,349,005 82,557
2021-06-30 $20,256,455 83,549
2021-03-31 $19,860,996 86,480
2020-12-31 $22,824,108 85,044
2020-09-30 $20,499,922 86,842
2020-06-30 $19,349,511 84,870
2020-03-31 $15,768,639 89,028