Position in BIO
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$7,456,562
-$648,420 QoQ
Shares Held
26,750
0.0% QoQ
Ownership
0.100%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
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 BIO 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. BIO ranks #6 (6.7% 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
|
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.
This page
|
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 BIO
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,456,562 | 26,750 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $8,104,982 | 26,750 | Shares | Sole | 2026-02-05 | |
| 2025-09-30 | $7,500,432 | 26,750 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $6,455,310 | 26,750 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $6,515,230 | 26,750 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $8,787,642 | 26,750 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $8,950,015 | 26,750 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $7,305,692 | 26,750 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $9,252,022 | 26,750 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $8,709,957 | 26,975 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $9,740,878 | 27,175 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $10,302,586 | 27,175 | Shares | Sole | 2023-08-15 | |
| 2023-03-31 | $13,058,085 | 27,260 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $11,462,557 | 27,260 | Shares | Sole | 2023-02-15 | |
| 2022-09-30 | $11,371,236 | 27,260 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $13,493,700 | 27,260 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $15,409,972 | 27,360 | Shares | Sole | 2022-05-18 | |
| 2021-12-31 | $20,747,952 | 27,460 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $20,558,382 | 27,560 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $17,840,390 | 27,690 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $15,844,255 | 27,740 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $16,170,755 | 27,740 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $14,788,547 | 28,690 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $12,984,852 | 28,760 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $11,225,632 | 32,022 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||