IDEXX LABS INC (IDXX): Institutional Ownership
Hedge funds and institutional managers reporting a position in IDXX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
25
13F filers
Aggregate Value
$1.2B
Across holders
Last Price
$551.50
2026-06-26
Sector
Health Care
GICS
Holder activity6 new14 added5 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Fundsmith LLP CIK 0001569205 | Institutional Manager | 1.47M | $823.6M | 67.9% | 6.4% | Reduced | $-230.5M | Q1 2026 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 148K | $83.0M | 6.8% | 0.2% | Added | +$57.3M | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 95K | $52.6M | 4.3% | 0.0% | Added | +$52.6M | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 86K | $48.1M | 4.0% | 0.1% | Added | +$39.6M | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 80K | $45.2M | 3.7% | 0.1% | Added | +$11.7M | Q1 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 68K | $38.4M | 3.2% | 0.1% | Added | +$9.1M | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 49K | $27.3M | 2.2% | 0.0% | New | — | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 46K | $25.8M | 2.1% | 0.0% | Added | +$25.2M | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 22K | $15.1M | 1.2% | 0.1% | New | — | Q4 2025 |
| Man Group plc CIK 0001637460 | Hedge Fund | 26K | $14.8M | 1.2% | 0.0% | Added | +$13.6M | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 24K | $13.3M | 1.1% | 0.0% | Reduced | $-6.7M | Q1 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 15K | $8.4M | 0.7% | 0.1% | New | — | Q1 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 10K | $5.8M | 0.5% | 0.0% | Added | +$2.3M | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 8K | $4.7M | 0.4% | 0.0% | Added | +$4.2M | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 3K | $1.9M | 0.2% | 0.0% | New | — | Q3 2025 |
| Grantham, Mayo, Van Otterloo & Co. LLC CIK 0001352662 | Institutional Manager | 3K | $1.5M | 0.1% | 0.0% | Added | +$350K | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 1K | $735K | 0.1% | 0.0% | Added | +$7K | Q1 2026 |
| Eisler Capital (UK) Ltd. CIK 0001849486 | Hedge Fund | 1K | $686K | 0.1% | 0.0% | New | — | Q4 2023 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 941 | $529K | 0.0% | 0.0% | Reduced | $-3.4M | Q1 2026 |
| ELEMENT CAPITAL MANAGEMENT LLC CIK 0001535630 | Hedge Fund | 793 | $507K | 0.0% | 0.7% | New | — | Q3 2025 |
Reduced
Institutional Manager
$823.6M· 67.9% of total· 6.4% port· 1.47M sh· $-230.5M QoQ· Q1 2026
Added
Hedge Fund
$83.0M· 6.8% of total· 0.2% port· 148K sh· +$57.3M QoQ· Q1 2026
Added
Hedge Fund
$52.6M· 4.3% of total· 0.0% port· 95K sh· +$52.6M QoQ· Q1 2026
Added
Hedge Fund
$48.1M· 4.0% of total· 0.1% port· 86K sh· +$39.6M QoQ· Q1 2026
Added
Hedge Fund
$45.2M· 3.7% of total· 0.1% port· 80K sh· +$11.7M QoQ· Q1 2026
Added
Hedge Fund
$38.4M· 3.2% of total· 0.1% port· 68K sh· +$9.1M QoQ· Q1 2026
New
Hedge Fund
$27.3M· 2.2% of total· 0.0% port· 49K sh· — QoQ· Q1 2026
Added
Hedge Fund
$25.8M· 2.1% of total· 0.0% port· 46K sh· +$25.2M QoQ· Q1 2026
New
Hedge Fund
$15.1M· 1.2% of total· 0.1% port· 22K sh· — QoQ· Q4 2025
Added
Hedge Fund
$14.8M· 1.2% of total· 0.0% port· 26K sh· +$13.6M QoQ· Q1 2026
Reduced
Hedge Fund
$13.3M· 1.1% of total· 0.0% port· 24K sh· $-6.7M QoQ· Q1 2026
New
Hedge Fund
$8.4M· 0.7% of total· 0.1% port· 15K sh· — QoQ· Q1 2026
Added
Hedge Fund
$5.8M· 0.5% of total· 0.0% port· 10K sh· +$2.3M QoQ· Q1 2026
Added
Hedge Fund
$4.7M· 0.4% of total· 0.0% port· 8K sh· +$4.2M QoQ· Q1 2026
New
Hedge Fund
$1.9M· 0.2% of total· 0.0% port· 3K sh· — QoQ· Q3 2025
Added
Institutional Manager
$1.5M· 0.1% of total· 0.0% port· 3K sh· +$350K QoQ· Q1 2026
Added
Hedge Fund
$735K· 0.1% of total· 0.0% port· 1K sh· +$7K QoQ· Q1 2026
New
Hedge Fund
$686K· 0.1% of total· 0.0% port· 1K sh· — QoQ· Q4 2023
Reduced
Hedge Fund
$529K· 0.0% of total· 0.0% port· 941 sh· $-3.4M QoQ· Q1 2026
New
Hedge Fund
$507K· 0.0% of total· 0.7% port· 793 sh· — QoQ· Q3 2025
Added
Institutional Manager
$337K· 0.0% of total· 0.0% port· 599 sh· +$166K QoQ· Q1 2026
Added
Hedge Fund
$324K· 0.0% of total· 0.0% port· 465 sh· +$7K QoQ· Q4 2025
Reduced
Hedge Fund
$271K· 0.0% of total· 0.0% port· 483 sh· $-141K QoQ· Q1 2026
Added
Institutional Manager
$271K· 0.0% of total· 0.0% port· 482 sh· +$15K QoQ· Q1 2026
Reduced
Hedge Fund
$96K· 0.0% of total· 0.0% port· 170 sh· $-635K QoQ· Q1 2026
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