Alyeska Investment Group, L.P.
Position in IDXX — Idexx Laboratories Inc /De
CIK 1453072
CHICAGO, IL
Position in IDXX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$114,217,627
-$42,194,166 QoQ
Shares Held
203,274
-46.3% QoQ
Ownership
0.258%
of shares outstanding
% of Portfolio
0.35%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
3 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 Mar 31, 2026Alyeska Investment Group, L.P. holds $839,474,078 across 12 Diagnostics & Research names. IDXX ranks #3 (13.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
825,684 | $156,549,686 | |
| 2 | GH |
Guardant Health, Inc.
|
1,489,566 | $137,591,211 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
This page
|
203,274 | $114,217,627 | |
| 4 | LH |
Labcorp Holdings Inc.
|
373,622 | $99,686,085 | |
| 5 | CRL |
Charles River Laboratories International, Inc.
|
558,633 | $96,364,192 | |
| 6 | RDNT |
RadNet, Inc.
|
1,309,308 | $73,177,224 | |
| 7 | TMO |
Thermo Fisher Scientific Inc.
|
124,944 | $61,413,724 | |
| 8 | ILMN |
Illumina, Inc.
|
306,367 | $37,762,796 |
All Filings in IDXX
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||