馬西莫公司
MX ˙ BMV ˙ US5747951003
SecurityMX:MASI / Masimo Corporation
InstitutionCovestor Ltd
Latest Disclosed Ownership45 shares
Latest Disclosed Value $ 8
Covestor Ltd reports 44.44% decrease in ownership of MASI / Masimo Corporation

On May 5, 2026 - Covestor Ltd filed a 13F-HR form disclosing ownership of 45 shares of Masimo Corporation (MX:MASI) valued at $8 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 81 shares of Masimo Corporation.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-05 2026-03-31 13F MASIMO COMMON 574795100 45 -36 -44.44 0 0.0055
2026-02-06 2025-12-31 13F MASIMO COMMON 574795100 81 0 0.00 0 0.0058
2025-10-30 2025-09-30 13F MASIMO COMMON 574795100 81 0 0.00 0 0.0066
2025-08-11 2025-06-30 13F MASIMO COMMON 574795100 81 -1 -1.22 0 0.0083
2025-05-12 2025-03-31 13F MASIMO COMMON 574795100 82 1 1.23 0 0.0093
2025-02-13 2024-12-31 13F MASIMO COMMON 574795100 81 0 0.00 0 0.0088
2024-11-01 2024-09-30 13F MASIMO COMMON 574795100 81 1 1.25 0 0.0069
2024-08-09 2024-06-30 13F MASIMO COMMON 574795100 80 0 0.00 0 0.0065
2024-05-10 2024-03-31 13F MASIMO COMMON 574795100 80 -115 -58.97 0 0.0076
2024-02-09 2023-12-31 13F MASIMO COMMON 574795100 195 143 275.00 0 0.0157
2023-11-13 2023-09-30 13F MASIMO COMMON 574795100 52 -1 -1.89 0 0.0038
2023-08-11 2023-06-30 13F MASIMO COMMON 574795100 53 -67 -55.83 0 0.0069
2023-05-15 2023-03-31 13F MASIMO COMMON 574795100 120 -67 -35.83 0 -100.00 0.0192
2023-02-14 2022-12-31 13F/A-1 MASIMO COMMON 574795100 187 -508 -73.09 28 -71.43 0.0228
2023-02-14 2022-12-31 13F MASIMO COMMON 574795100 187 -508 28 22.8325
2022-11-14 2022-09-30 13F MASIMO COMMON 574795100 695 557 403.62 98 444.44 0.0863
2022-08-10 2022-06-30 13F MASIMO COM 574795100 138 57 70.37 18 50.00 0.0143
2022-05-13 2022-03-31 13F MASIMO COM 574795100 81 25 44.64 12 -29.41 0.0080
2022-02-10 2021-12-31 13F MASIMO COM 574795100 56 56 17 0.0238
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.