Cross-fund · 5 holders
MASI
MASIMO CORP
CUSIP 574795100
5
Tracked holders
$1.68B
Aggregate value
10,605,482
Shares
5
Active funds
Funds holding MASI
| Fund | Strategy | Period | Value | % of book | Δ shares | Status |
|---|---|---|---|---|---|---|
| BlackRock | Institutional | Q1 2026 | $826.1M | 0.01% | -4,211,041 | -47.6% |
| Vanguard | Institutional | Q4 2025 | $565.6M | 0.01% | -461,225 | -9.6% |
| Millennium | Multi-Strategy | Q1 2026 | $227.2M | 0.09% | +1,089,488 | +579.6% |
| Citadel | Multi-Strategy | Q1 2026 | $59.2M | 0.01% | +281,514 | +549.3% |
| BridgewaterFEAT | Macro | Q1 2026 | $337,775 | — | +280 | +17.3% |
Aggregated from the latest 13F-HR per tracked fund (longs only). QoQ deltas compare against each fund's prior quarterly filing.