Position in OPK
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$146,732
+$135,231 QoQ
Shares Held
128,713
+1310.1% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
24 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, 2026Tower Research Capital LLC (TRC) holds $18,807,984 across 38 Diagnostics & Research names. OPK ranks #19 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
28,064 | $5,320,933 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
|
6,754 | $3,319,793 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
4,535 | $2,548,170 | |
| 4 | A |
Agilent Technologies, Inc.
|
7,481 | $852,684 | |
| 5 | GH |
Guardant Health, Inc.
|
8,182 | $755,771 | |
| 6 | ILMN |
Illumina, Inc.
|
4,942 | $609,150 | |
| 7 | MTD |
Mettler Toledo International Inc/
|
424 | $534,748 | |
| 8 | WAT |
Waters Corp /De/
|
1,463 | $435,681 |
All Filings in OPK
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $146,732 | 128,713 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $11,501 | 9,128 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $33,391 | 21,543 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $40,541 | 30,713 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $70,467 | 42,450 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $26,198 | 17,823 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $237,953 | 159,701 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $83,061 | 66,449 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $15,366 | 12,805 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $71,453 | 47,320 | Shares | Other | 2024-02-13 | |
| 2023-09-30 | $44,961 | 28,101 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $38,609 | 17,793 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $26,078 | 17,862 | Shares | Other | 2023-05-09 | |
| 2022-12-31 | $59,413 | 47,531 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $59,005 | 31,220 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $58,877 | 23,272 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $72,504 | 21,077 | Shares | Other | 2022-05-12 | |
| 2021-12-31 | $213,111 | 44,306 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $314,538 | 86,175 | Shares | Other | 2021-11-15 | |
| 2021-06-30 | $116,052 | 28,655 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $96,795 | 22,563 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $97,659 | 24,724 | Shares | Other | 2021-02-16 | |
| 2020-09-30 | $3,370,696 | 913,468 | Shares | Other | 2020-11-16 | |
| 2020-06-30 | $552,229 | 161,944 | Shares | Defined | 2020-08-13 | |
| No filing history on record for this holder in this stock. | ||||||