Assenagon Asset Management S.A.
Position in IDXX — Idexx Laboratories Inc /De
CIK 1546007
SENNINGERBERG, N4
Position in IDXX
as of Jun 30, 2026
· filed Jul 8, 2026
Position Value
$96,461,180
+$48,231,352 QoQ
Shares Held
183,233
+113.5% QoQ
Ownership
0.232%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#2
of 47 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IDXX 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. IDXX ranks #2 (15.8% 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
This page
|
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 IDXX
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $96,461,180 | 183,233 | Shares | Sole | 2026-07-08 | |
| 2026-03-31 | $48,229,828 | 85,835 | Shares | Sole | 2026-04-20 | |
| 2025-12-31 | $51,151,756 | 75,609 | Shares | Sole | 2026-01-09 | |
| 2025-09-30 | $35,693,506 | 55,868 | Shares | Sole | 2025-10-07 | |
| 2025-06-30 | $33,645,144 | 62,731 | Shares | Sole | 2025-07-11 | |
| 2025-03-31 | $86,741,092 | 206,551 | Shares | Sole | 2025-04-15 | |
| 2024-12-31 | $179,866,658 | 435,049 | Shares | Sole | 2025-01-14 | |
| 2024-09-30 | $60,121,685 | 119,001 | Shares | Sole | 2024-10-23 | |
| 2024-06-30 | $40,559,887 | 83,251 | Shares | Sole | 2024-07-18 | |
| 2024-03-31 | $62,270,126 | 115,330 | Shares | Sole | 2024-04-24 | |
| 2023-12-31 | $24,196,294 | 43,593 | Shares | Sole | 2024-01-17 | |
| 2023-09-30 | $15,200,379 | 34,762 | Shares | Sole | 2023-11-06 | |
| 2023-06-30 | $11,881,757 | 23,658 | Shares | Sole | 2023-07-25 | |
| 2023-03-31 | $13,009,581 | 26,015 | Shares | Sole | 2023-04-18 | |
| 2022-12-31 | $4,031,460 | 9,882 | Shares | Sole | 2023-01-12 | |
| 2022-09-30 | $6,030,558 | 18,510 | Shares | Sole | 2022-10-27 | |
| 2022-06-30 | $135,645,879 | 386,753 | Shares | Sole | 2022-07-27 | |
| 2022-03-31 | $2,081,563 | 3,805 | Shares | Sole | 2022-04-25 | |
| 2021-12-31 | $59,764,463 | 90,764 | Shares | Sole | 2022-02-01 | |
| 2021-09-30 | $14,888,286 | 23,940 | Shares | Sole | 2021-10-19 | |
| 2021-06-30 | $19,137,228 | 30,302 | Shares | Sole | 2021-07-15 | |
| 2021-03-31 | $2,599,214 | 5,312 | Shares | Sole | 2021-04-26 | |
| 2020-12-31 | $10,142,362 | 20,290 | Shares | Sole | 2021-02-01 | |
| 2020-09-30 | $4,531,378 | 11,527 | Shares | Sole | 2020-10-07 | |
| 2020-06-30 | $1,680,844 | 5,091 | Shares | Sole | 2020-07-21 | |
| 2020-03-31 | $1,575,771 | 6,505 | Shares | Sole | 2020-04-17 | |
| No filing history on record for this holder in this stock. | ||||||