Skip to main content

Alyeska Investment Group, L.P.

Position in MASI — Masimo Corp

CIK 1453072 CHICAGO, IL

Position in MASI

as of Dec 31, 2025 · filed Feb 13, 2026
Position Value
$163,785,468
-$39,993,623 QoQ
Shares Held
1,259,307
-8.8% QoQ
Ownership
2.40%
of shares outstanding
% of Portfolio
0.52%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
20 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MASI Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Mar 31, 2026

Alyeska Investment Group, L.P. holds $201,251,310 across 6 Medical Devices names.

# Ticker Company Shares Value (USD) Open

All Filings in MASI

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2025-12-31 $163,785,468 1,259,307
2025-09-30 $203,779,091 1,381,085
2025-06-30 $190,843,907 1,134,490
2025-03-31 $120,374,164 722,534
2024-12-31 $95,648,365 578,635
2024-09-30 $99,347,782 745,127
2024-06-30 $54,271,450 430,931
2024-03-31 $55,717,680 379,419
2023-12-31 $62,673,945 534,715
2023-06-30 $33,635,500 204,409
2023-03-31 $59,678,759 323,392
2022-12-31 $37,845,166 255,797
2022-09-30 $14,116,000 100,000
2022-06-30 $43,277,119 331,194
2022-03-31 $37,049,244 254,564
2021-12-31 $31,952,545 109,135
2021-09-30 $39,986,844 147,711
2021-06-30 $355,189 1,465
2020-09-30 $318,917 1,351
2020-03-31 $886,662 5,006