GW&K Investment Management, LLC
Position in IDXX — Idexx Laboratories Inc /De
CIK 1082917
BOSTON, MA
Position in IDXX
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$1,847,277
-$14,107,589 QoQ
Shares Held
3,509
-87.6% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#525
of 1,286 holders
Holding Since
Mar 2020
26 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, 2026GW&K Investment Management, LLC holds $306,980,755 across 16 Diagnostics & Research names. IDXX ranks #7 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MEDP |
Medpace Holdings, Inc.
|
172,696 | $91,458,074 | |
| 2 | VCYT |
Veracyte, Inc.
|
1,416,543 | $83,193,570 | |
| 3 | NTRA |
Natera, Inc.
|
231,308 | $62,788,555 | |
| 4 | NEO |
Neogenomics Inc
|
2,129,421 | $31,068,251 | |
| 5 | CRL |
Charles River Laboratories International, Inc.
|
90,608 | $20,548,988 | |
| 6 | TMO |
Thermo Fisher Scientific Inc.
|
31,463 | $15,774,289 | |
| 7 | IDXX |
Idexx Laboratories Inc /De
This page
|
3,509 | $1,847,277 | |
| 8 | DHR |
Danaher Corp /De/
|
685 | $130,478 |
All Filings in IDXX
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,847,277 | 3,509 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $15,954,866 | 28,395 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $19,693,788 | 29,110 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $18,597,449 | 29,109 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $18,600,807 | 34,681 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $14,906,545 | 35,496 | Shares | Sole | 2025-05-05 | |
| 2024-12-31 | $14,241,767 | 34,447 | Shares | Sole | 2025-02-05 | |
| 2024-09-30 | $17,848,412 | 35,328 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $12,365,136 | 25,380 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $13,865,942 | 25,681 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $14,133,792 | 25,464 | Shares | Other | 2024-02-09 | |
| 2023-09-30 | $11,784,863 | 26,951 | Shares | Other | 2023-11-09 | |
| 2023-06-30 | $13,852,005 | 27,581 | Shares | Other | 2023-08-09 | |
| 2023-03-31 | $14,084,752 | 28,165 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $14,142,749 | 34,667 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $11,891,374 | 36,499 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $13,219,364 | 37,691 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $21,916,864 | 40,063 | Shares | Sole | 2022-05-09 | |
| 2021-12-31 | $27,103,530 | 41,162 | Shares | Other | 2022-02-11 | |
| 2021-09-30 | $26,164,576 | 42,072 | Shares | Other | 2021-11-10 | |
| 2021-06-30 | $30,686,382 | 48,589 | Shares | Other | 2021-08-10 | |
| 2021-03-31 | $21,346,148 | 43,625 | Shares | Other | 2021-05-11 | |
| 2020-12-31 | $22,311,696 | 44,635 | Shares | Other | 2021-02-05 | |
| 2020-09-30 | $23,933,716 | 60,883 | Shares | Other | 2020-11-10 | |
| 2020-06-30 | $20,307,810 | 61,509 | Shares | Other | 2020-08-06 | |
| 2020-03-31 | $13,814,704 | 57,029 | Shares | Other | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||