Position in OPK
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$1,901,610
+$123,212 QoQ
Shares Held
1,267,741
-18.7% QoQ
Ownership
0.170%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#19
of 222 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 42%
Shared 46%
None 13%
Common Shares in OPK Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026DIMENSIONAL FUND ADVISORS LP holds $5,720,345,984 across 33 Diagnostics & Research names. OPK ranks #30 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
1,712,845 | $858,751,967 | |
| 2 | DHR |
Danaher Corp /De/
|
2,651,651 | $505,086,479 | |
| 3 | DGX |
Quest Diagnostics Inc
|
1,988,048 | $421,366,772 | |
| 4 | LH |
Labcorp Holdings Inc.
|
1,367,166 | $382,806,480 | |
| 5 | RVTY |
Revvity, Inc.
|
3,428,692 | $381,476,269 | |
| 6 | CRL |
Charles River Laboratories International, Inc.
|
1,648,450 | $373,851,972 | |
| 7 | IQV |
Iqvia Holdings Inc.
|
1,735,452 | $335,324,034 | |
| 8 | IDXX |
Idexx Laboratories Inc /De
|
608,902 | $320,550,366 |
All Filings in OPK
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,901,610 | 1,267,741 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $1,778,398 | 1,560,000 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $2,030,259 | 1,611,318 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $2,584,419 | 1,667,368 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $2,547,179 | 1,929,683 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $3,689,368 | 2,222,512 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $3,334,936 | 2,268,666 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $3,469,581 | 2,328,580 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $3,318,167 | 2,654,535 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $3,505,720 | 2,921,436 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $5,208,081 | 3,449,062 | Shares | Sole | 2024-02-07 | |
| 2023-09-30 | $6,901,585 | 4,313,492 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $8,146,807 | 3,754,290 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $10,044,866 | 6,880,047 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $11,196,010 | 8,956,810 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $20,456,679 | 10,823,641 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $22,969,059 | 9,078,680 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $24,714,384 | 7,184,414 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $19,947,522 | 4,147,094 | Shares | Defined | 2022-02-09 | |
| 2021-09-30 | $16,326,796 | 4,473,095 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $29,290,729 | 7,232,279 | Shares | Defined | 2021-08-12 | |
| 2021-03-31 | $31,714,069 | 7,392,557 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $22,169,635 | 5,612,566 | Shares | Defined | 2021-03-08 | |
| 2020-09-30 | $18,752,233 | 5,081,906 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $17,417,185 | 5,107,679 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $5,902,456 | 4,404,818 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||