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Masimo Corporation

MASI Healthcare
$179.95 $0 (0.00%)
Market Cap: $9.42 B
Gurus Holding
7
Popularity Rank
#991
% of Shares Held
3.19%
Net Activity (Q1 2026)
-$38.06 M

Guru Ownership Trend

Guru Analysis for Masimo Corporation (MASI)

Masimo Corporation (MASI), a key player in the Healthcare sector, continues to attract institutional attention.

As of Q1 2026, a total of 7 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $300.44 M.

Top institutional holders include Cliff Asness and Joel Greenblatt.

Institutional sentiment is currently Slightly Bearish. This is evidenced by a $38.06 M net outflow during the quarter.

Recent activity highlights Paul Tudor Jones who increased their stake by 785.9%. Conversely, Cliff Asness reduced exposure by 23.8%.

Key Holders

Top 5 by Value

Recent Activity Breakdown (Q1 2026)

+$76.02 M
Total Buy Value
New Buys 2
Additions 4
-$114.08 M
Total Sell Value
Reductions 3
Sold Out 2

Guru Consensus (Q1 2026)

Based on recent activity
Net Sellers
5
Net Buyers
6

FAQs for Masimo Corporation (MASI)

Major holders include Cliff Asness ($147.4 M), Joel Greenblatt ($60.74 M), Renaissance Technologies (RenTech) ($42.6 M). According to the latest reported data, 7 tracked investment managers collectively hold approximately 1.67 M shares.

According to the latest 13F reporting period, sentiment appears Bearish (Net Selling). There was a net outflow of $38.06 M, with 6 managers increasing positions and 5 managers reducing holdings.

During the most recent reporting period, 3 managers trimmed their positions, while 2 fully exited MASI. The total reported sell value was $114.08 M.

Yes, 2 managers opened new positions in MASI, and 4 increased their existing holdings. The total reported buy value was $76.02 M.

Portfolio Manager % Portfolio Activity Shares Value Report Date
0.07% Reduce -23.8% 831,966 $147.4 M Q1 2026
0.19% Reduce -0.2% 341,468 $60.74 M Q1 2026
0.07% Add 299.8% 239,500 $42.6 M Q1 2026
0.05% Add 785.9% 143,884 $25.59 M Q1 2026
0.20% New Buy 100,838 $17.94 M Q1 2026
0.04% New Buy 10,020 $1.78 M Q1 2026
0.00% Add 17.3% 1,899 $337,775 Q1 2026
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