Position in OPK
as of Jun 30, 2026
· filed Jul 8, 2026
Position Value
$428,008
-$315,347 QoQ
Shares Held
285,339
-56.2% QoQ
Ownership
0.038%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#2
of 21 holders
Holding Since
Mar 2023
14 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 Jun 30, 2026Assenagon Asset Management S.A. holds $608,763,092 across 20 Diagnostics & Research names. OPK ranks #20 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
341,813 | $171,371,365 | |
| 2 | IDXX |
Idexx Laboratories Inc /De
|
183,233 | $96,461,180 | |
| 3 | NTRA |
Natera, Inc.
|
250,869 | $68,098,390 | |
| 4 | IQV |
Iqvia Holdings Inc.
|
340,476 | $65,786,772 | |
| 5 | WAT |
Waters Corp /De/
|
130,109 | $48,796,079 | |
| 6 | MTD |
Mettler Toledo International Inc/
|
33,608 | $42,934,556 | |
| 7 | ILMN |
Illumina, Inc.
|
140,003 | $24,616,727 | |
| 8 | WGS |
GeneDx Holdings Corp.
|
303,433 | $20,830,675 |
All Filings in OPK
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $428,008 | 285,339 | Shares | Sole | 2026-07-08 | |
| 2026-03-31 | $743,355 | 652,066 | Shares | Sole | 2026-04-20 | |
| 2025-12-31 | $821,603 | 652,066 | Shares | Sole | 2026-01-09 | |
| 2025-09-30 | $1,069,810 | 690,200 | Shares | Sole | 2025-10-07 | |
| 2025-06-30 | $1,234,332 | 935,100 | Shares | Sole | 2025-07-11 | |
| 2025-03-31 | $1,552,266 | 935,100 | Shares | Sole | 2025-04-15 | |
| 2024-12-31 | $1,259,404 | 856,738 | Shares | Sole | 2025-01-14 | |
| 2024-09-30 | $2,221,578 | 1,490,992 | Shares | Sole | 2024-10-23 | |
| 2024-06-30 | $768,400 | 614,720 | Shares | Sole | 2024-07-18 | |
| 2024-03-31 | $1,504,569 | 1,253,808 | Shares | Sole | 2024-04-24 | |
| 2023-12-31 | $913,910 | 605,239 | Shares | Sole | 2024-01-17 | |
| 2023-09-30 | $1,374,942 | 859,339 | Shares | Sole | 2023-11-06 | |
| 2023-06-30 | $2,651,638 | 1,221,953 | Shares | Sole | 2023-07-25 | |
| 2023-03-31 | $1,784,051 | 1,221,953 | Shares | Sole | 2023-04-18 | |
| No filing history on record for this holder in this stock. | ||||||