Position in OPK
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$748,291
+$181,438 QoQ
Shares Held
498,861
+0.3% QoQ
Ownership
0.067%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#34
of 222 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 17%
Shared 0%
None 83%
Common Shares in OPK Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026RHUMBLINE ADVISERS holds $1,243,802,437 across 31 Diagnostics & Research names. OPK ranks #27 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
593,946 | $297,780,766 | |
| 2 | DHR |
Danaher Corp /De/
|
995,923 | $189,703,413 | |
| 3 | ILMN |
Illumina, Inc.
|
560,716 | $98,590,694 | |
| 4 | IDXX |
Idexx Laboratories Inc /De
|
169,208 | $89,077,859 | |
| 5 | A |
Agilent Technologies, Inc.
|
500,807 | $66,522,193 | |
| 6 | IQV |
Iqvia Holdings Inc.
|
332,138 | $64,175,704 | |
| 7 | WAT |
Waters Corp /De/
|
168,771 | $63,295,875 | |
| 8 | DGX |
Quest Diagnostics Inc
|
267,727 | $56,744,737 |
All Filings in OPK
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $748,291 | 498,861 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $566,853 | 497,240 | Shares | Sole | 2026-05-12 | |
| 2025-12-31 | $644,463 | 511,479 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $860,842 | 555,382 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $699,009 | 529,553 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $813,863 | 490,279 | Shares | Sole | 2025-05-29 | |
| 2024-12-31 | $762,669 | 518,823 | Shares | Sole | 2025-05-29 | |
| 2024-09-30 | $814,459 | 546,617 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $752,618 | 602,095 | Shares | Sole | 2024-08-01 | |
| 2024-03-31 | $800,911 | 667,426 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $981,525 | 650,017 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $1,038,216 | 648,885 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $1,407,687 | 648,704 | Shares | Sole | 2023-08-08 | |
| 2023-03-31 | $967,487 | 662,663 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $804,223 | 643,379 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $1,226,054 | 648,706 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $1,533,648 | 606,185 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $1,901,594 | 552,789 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $2,962,387 | 615,881 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $2,266,124 | 620,856 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $2,440,752 | 602,655 | Shares | Sole | 2021-08-05 | |
| 2021-03-31 | $2,897,148 | 675,326 | Shares | Sole | 2021-05-06 | |
| 2020-12-31 | $2,819,908 | 713,901 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $2,327,460 | 630,748 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $2,451,919 | 719,038 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $860,805 | 642,392 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||