Position in OPK
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$193,800
-$731,981 QoQ
Shares Held
170,000
-76.9% 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
22 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)
Derivatives in OPK
reported options exposure · as of Mar 31, 2021CallValue
$46,332
CallShares
10,800
PutValue
$51,909
PutShares
12,100
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $1,108,346,968 across 33 Diagnostics & Research names. OPK ranks #31 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GH |
Guardant Health, Inc.
|
4,229,531 | $390,681,778 | |
| 2 | DHR |
Danaher Corp /De/
|
1,858,782 | $352,425,067 | |
| 3 | TMO |
Thermo Fisher Scientific Inc.
|
187,893 | $92,355,046 | |
| 4 | MEDP |
Medpace Holdings, Inc.
|
176,557 | $84,780,905 | |
| 5 | A |
Agilent Technologies, Inc.
|
677,347 | $77,204,011 | |
| 6 | IQV |
Iqvia Holdings Inc.
|
219,984 | $37,516,071 | |
| 7 | ILMN |
Illumina, Inc.
|
73,717 | $9,086,357 | |
| 8 | NTRA |
Natera, Inc.
|
40,200 | $8,039,598 |
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 | 2026-05-15 | |
| 2025-12-31 | $925,781 | 734,747 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,946,252 | 1,255,647 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $2,424,506 | 1,836,747 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,731,986 | 1,645,775 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $2,421,923 | 1,647,567 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $1,039,865 | 697,896 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $758,110 | 606,488 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $1,961,624 | 1,634,687 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $1,462,910 | 968,815 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $2,304,291 | 1,440,182 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $3,459,989 | 1,594,465 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $2,809,732 | 1,924,474 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $2,836,270 | 2,269,016 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $5,457,127 | 2,887,369 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $4,290,728 | 1,695,940 | Shares | Sole | 2022-08-15 | |
| 2021-09-30 | $64,984 | 17,804 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $72,106 | 17,804 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $46,332 | 10,800 | Call | Sole | 2021-05-17 | |
| 2021-03-31 | $51,909 | 12,100 | Put | Sole | 2021-05-17 | |
| 2021-03-31 | $187,490 | 43,704 | Shares | Sole | 2021-05-17 | |
| 2020-09-30 | $36,900 | 10,000 | Call | Sole | 2020-11-16 | |
| 2020-09-30 | $4,087,449 | 1,107,710 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $3,573,901 | 1,048,065 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $3,899,028 | 2,909,723 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||