Masimo Corporation Common Stock — Institutional Ownership
Which tracked institutions hold MASI, and how they changed the position last quarter. Latest holdings as of Mar 31, 2026. Source: SEC 13-F filings.
28
Funds holding
$2224893798
Total value held
Buying
19 added/new · 9 reduced
| # | Institution | Value | Shares | Δ Shares | Change (QoQ) |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | $826131120 | 4644578 | -4211041 | -47.55% |
| 2 | Barclays Plc | $488072611 | 2743985 | — | NEW BUY |
| 3 | State Street Corp | $255727968 | 1437724 | +22528 | +1.59% |
| 4 | Goldman Sachs Group Inc | $175058231 | 984192 | +347494 | +54.58% |
| 5 | Morgan Stanley | $133832703 | 752417 | -168318 | -18.28% |
| 6 | Northern Trust Corp | $69447030 | 390437 | +9973 | +2.62% |
| 7 | Bank Of New York Mellon Corp | $54499447 | 306400 | -2085 | -0.68% |
| 8 | Invesco Ltd. | $41529199 | 319308 | -2055 | -0.64% |
| 9 | Bank Of America Corp /De/ | $41266373 | 232003 | -52699 | -18.51% |
| 10 | Raymond James Financial Inc | $30331670 | 170527 | -15983 | -8.57% |
| 11 | Bank Of Nova Scotia | $27140116 | 152584 | — | NEW BUY |
| 12 | Nomura Holdings Inc | $19457199 | 109390 | — | NEW BUY |
| 13 | Principal Financial Group Inc | $18270450 | 102718 | +4860 | +4.97% |
| 14 | Citigroup Inc | $15767304 | 121231 | +4559 | +3.91% |
| 15 | Ameriprise Financial Inc | $11597658 | 65203 | -403204 | -86.08% |
| 16 | Janus Henderson Group Plc | $3557000 | 20000 | — | NEW BUY |
| 17 | Wells Fargo & Company/Mn | $2431740 | 18697 | +1417 | +8.20% |
| 18 | Sei Investments Co | $2347101 | 13195 | — | NEW BUY |
| 19 | Fifth Third Bancorp | $2087572 | 11736 | +11159 | +1933.97% |
| 20 | Blackstone Inc. | $1668954 | 9383 | — | NEW BUY |
| 21 | Bank Of Montreal /Can/ | $1001231 | 5629 | — | NEW BUY |
| 22 | Pnc Financial Services Group, Inc. | $908383 | 5107 | -2180 | -29.92% |
| 23 | Franklin Resources Inc | $789031 | 4436 | +52 | +1.19% |
| 24 | Us Bancorp \De\ | $699562 | 3933 | +169 | +4.49% |
| 25 | Royal Bank Of Canada | $489000 | 2748 | — | NEW BUY |
| 26 | M&T Bank Corp | $431865 | 3324 | +317 | +10.54% |
| 27 | Prudential Financial Inc | $347736 | 1955 | -3 | -0.15% |
| 28 | Amalgamated Financial Corp. | $5544 | 38093 | — | NEW BUY |
Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.