Position in MASI
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$16,364,040
+$5,569,060 QoQ
Shares Held
92,000
+10.8% QoQ
Ownership
0.176%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#85
of 445 holders
Holding Since
Mar 2020
25 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, 2026GAMCO INVESTORS, INC. ET AL holds $112,021,521 across 20 Medical Devices names. MASI ranks #3 (14.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ZBH |
Zimmer Biomet Holdings, Inc.
|
231,107 | $20,896,694 | |
| 2 | STE |
STERIS plc
|
84,889 | $18,771,504 | |
| 3 | MASI |
Masimo Corp
This page
|
92,000 | $16,364,040 | |
| 4 | GMED |
Globus Medical Inc
|
129,255 | $11,136,610 | |
| 5 | BSX |
Boston Scientific Corp
|
155,146 | $9,735,411 | |
| 6 | BIO |
Bio-Rad Laboratories, Inc.
|
26,750 | $7,456,562 | |
| 7 | SYK |
Stryker Corp
|
19,978 | $6,564,571 | |
| 8 | QDEL |
QuidelOrtho Corp
|
253,900 | $4,171,577 |
All Filings in MASI
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $16,364,040 | 92,000 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $10,794,980 | 83,000 | Shares | Sole | 2026-02-05 | |
| 2025-09-30 | $12,364,690 | 83,800 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $14,214,590 | 84,500 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $14,077,700 | 84,500 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $13,967,850 | 84,500 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $11,266,385 | 84,500 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $10,641,930 | 84,500 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $12,408,825 | 84,500 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $9,904,245 | 84,500 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $7,408,960 | 84,500 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $13,904,475 | 84,500 | Shares | Sole | 2023-08-15 | |
| 2023-03-31 | $15,685,900 | 85,000 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $12,575,750 | 85,000 | Shares | Sole | 2023-02-15 | |
| 2022-09-30 | $11,998,600 | 85,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $11,106,950 | 85,000 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $12,370,900 | 85,000 | Shares | Sole | 2022-05-18 | |
| 2021-12-31 | $25,618,250 | 87,500 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $23,957,835 | 88,500 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $21,699,275 | 89,500 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $20,669,400 | 90,000 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $24,690,960 | 92,000 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $22,189,640 | 94,000 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $21,659,050 | 95,000 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $17,534,880 | 99,000 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||