Position in MASI
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$21,839,056
+$6,314,835 QoQ
Shares Held
122,781
+2.9% QoQ
Ownership
0.234%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
#74
of 445 holders
Holding Since
Mar 2025
5 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, 2026GW&K Investment Management, LLC holds $400,658,650 across 19 Medical Devices names. MASI ranks #8 (5.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GMED |
Globus Medical Inc
|
1,494,723 | $128,785,333 | |
| 2 | TNDM |
Tandem Diabetes Care Inc
|
2,689,106 | $51,550,161 | |
| 3 | BIO |
Bio-Rad Laboratories, Inc.
|
174,708 | $48,699,855 | |
| 4 | ITGR |
Integer Holdings Corp
|
527,943 | $46,458,984 | |
| 5 | STE |
STERIS plc
|
154,999 | $34,274,928 | |
| 6 | ABT |
Abbott Laboratories
|
296,469 | $30,438,472 | |
| 7 | AORT |
Artivion, Inc.
|
738,703 | $27,051,303 | |
| 8 | MASI |
Masimo Corp
This page
|
122,781 | $21,839,056 |
All Filings in MASI
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5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $21,839,056 | 122,781 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $15,524,221 | 119,362 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $18,303,134 | 124,047 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $22,709 | 135 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $22,491 | 135 | Shares | Sole | 2025-05-05 | |
| No filing history on record for this holder in this stock. | ||||||