Position in OPK
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$255,000
+$61,200 QoQ
Shares Held
170,000
0.0% QoQ
Ownership
0.023%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#62
of 222 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in OPK Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026GABELLI FUNDS LLC holds $33,829,409 across 15 Diagnostics & Research names. OPK ranks #15 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
16,090 | $8,066,882 | |
| 2 | LH |
Labcorp Holdings Inc.
|
27,447 | $7,685,160 | |
| 3 | MTD |
Mettler Toledo International Inc/
|
2,500 | $3,193,775 | |
| 4 | DHR |
Danaher Corp /De/
|
16,250 | $3,095,300 | |
| 5 | WAT |
Waters Corp /De/
|
7,877 | $2,954,190 | |
| 6 | GRAL |
GRAIL, Inc.
|
30,283 | $2,067,420 | |
| 7 | A |
Agilent Technologies, Inc.
|
13,309 | $1,767,834 | |
| 8 | NEO |
Neogenomics Inc
|
109,500 | $1,597,605 |
All Filings in OPK
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $255,000 | 170,000 | Shares | Sole | 2026-08-12 | |
| 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. | ||||||