Position in OPK
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$193,800
-$20,400 QoQ
Shares Held
170,000
0.0% QoQ
Ownership
0.023%
of shares outstanding
% of Portfolio
0.00%
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 OPK Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026GABELLI FUNDS LLC holds $32,264,397 across 16 Diagnostics & Research names. OPK ranks #16 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LH |
Labcorp Holdings Inc.
|
31,017 | $8,275,645 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
|
14,570 | $7,161,592 | |
| 3 | DHR |
Danaher Corp /De/
|
18,981 | $3,598,797 | |
| 4 | MTD |
Mettler Toledo International Inc/
|
2,500 | $3,153,000 | |
| 5 | WAT |
Waters Corp /De/
|
8,214 | $2,446,129 | |
| 6 | FONR |
Fonar Corp
|
90,514 | $1,679,939 | |
| 7 | GRAL |
GRAIL, Inc.
|
30,283 | $1,565,025 | |
| 8 | A |
Agilent Technologies, Inc.
|
7,854 | $895,198 |
All Filings in OPK
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $193,800 | 170,000 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $214,200 | 170,000 | Shares | Sole | 2026-02-05 | |
| 2025-09-30 | $263,500 | 170,000 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $224,400 | 170,000 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $282,200 | 170,000 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $249,900 | 170,000 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $253,300 | 170,000 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $215,000 | 172,000 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $212,400 | 177,000 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $273,310 | 181,000 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $289,600 | 181,000 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $401,450 | 185,000 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $277,400 | 190,000 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $237,500 | 190,000 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $378,000 | 200,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $559,130 | 221,000 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $760,240 | 221,000 | Shares | Sole | 2022-05-18 | |
| 2021-12-31 | $1,063,010 | 221,000 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $806,650 | 221,000 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $895,050 | 221,000 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $948,090 | 221,000 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $853,200 | 216,000 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $797,040 | 216,000 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $736,560 | 216,000 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $289,440 | 216,000 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||