Alyeska Investment Group, L.P.
Position in IDXX — Idexx Laboratories Inc /De
CIK 1453072
CHICAGO, IL
Position in IDXX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$211,145,608
+$96,927,981 QoQ
Shares Held
401,082
+97.3% QoQ
Ownership
0.509%
of shares outstanding
% of Portfolio
0.60%
of 13F equity value
Holder Rank
#34
of 1,286 holders
Holding Since
Mar 2023
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IDXX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Alyeska Investment Group, L.P. holds $929,620,379 across 10 Diagnostics & Research names. IDXX ranks #1 (22.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | IDXX |
Idexx Laboratories Inc /De
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|
401,082 | $211,145,608 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
|
376,071 | $188,546,956 | |
| 3 | A |
Agilent Technologies, Inc.
|
814,971 | $108,252,597 | |
| 4 | ILMN |
Illumina, Inc.
|
581,730 | $102,285,585 | |
| 5 | GH |
Guardant Health, Inc.
|
647,818 | $97,192,134 | |
| 6 | RDNT |
RadNet, Inc.
|
1,171,721 | $72,260,034 | |
| 7 | DHR |
Danaher Corp /De/
|
310,000 | $59,048,800 | |
| 8 | CRL |
Charles River Laboratories International, Inc.
|
235,000 | $53,295,650 |
All Filings in IDXX
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4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $211,145,608 | 401,082 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $114,217,627 | 203,274 | Shares | Sole | 2026-05-15 | |
| 2024-12-31 | $156,411,793 | 378,318 | Shares | Sole | 2025-02-14 | |
| 2023-03-31 | $20,003,200 | 40,000 | Shares | Sole | 2023-05-15 | |
| No filing history on record for this holder in this stock. | ||||||