CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in OPK — Opko Health, Inc.
CIK 1081019
WEST SACRAMENTO, CA
Position in OPK
as of Jun 30, 2026
· filed Aug 24, 2026
Position Value
$1,442,226
+$970,224 QoQ
Shares Held
961,484
+132.2% QoQ
Ownership
0.129%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#24
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, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $987,928,375 across 30 Diagnostics & Research names. OPK ranks #24 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
563,776 | $282,654,735 | |
| 2 | DHR |
Danaher Corp /De/
|
968,982 | $184,571,691 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
116,995 | $61,590,847 | |
| 4 | NTRA |
Natera, Inc.
|
207,496 | $56,324,789 | |
| 5 | A |
Agilent Technologies, Inc.
|
410,879 | $54,577,057 | |
| 6 | WAT |
Waters Corp /De/
|
144,662 | $54,254,036 | |
| 7 | IQV |
Iqvia Holdings Inc.
|
254,847 | $49,241,537 | |
| 8 | ILMN |
Illumina, Inc.
|
228,312 | $40,144,098 |
All Filings in OPK
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,442,226 | 961,484 | Shares | Sole | 2026-08-24 | |
| 2026-03-31 | $472,002 | 414,037 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $525,530 | 417,088 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $643,848 | 415,386 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $427,834 | 324,117 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $538,034 | 324,117 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $476,451 | 324,117 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $488,447 | 327,817 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $423,820 | 339,056 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $507,212 | 422,677 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $671,832 | 444,922 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $743,297 | 464,561 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,102,607 | 508,114 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $863,331 | 591,323 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $746,243 | 596,995 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $1,021,690 | 540,577 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $1,390,133 | 549,460 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,880,682 | 546,710 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $2,849,410 | 592,393 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $2,091,114 | 572,908 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $2,194,893 | 541,949 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $2,573,026 | 599,773 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $2,381,257 | 602,850 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $2,221,996 | 602,167 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $2,044,973 | 599,699 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $782,357 | 583,849 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||