GW&K Investment Management, LLC
Position in CRL — Charles River Laboratories International, Inc.
CIK 1082917
BOSTON, MA
Position in CRL
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$16,414,582
-$3,737,885 QoQ
Shares Held
95,157
-5.8% QoQ
Ownership
0.198%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CRL Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026GW&K Investment Management, LLC holds $247,104,364 across 16 Diagnostics & Research names. CRL ranks #4 (6.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MEDP |
Medpace Holdings, Inc.
|
182,772 | $87,765,286 | |
| 2 | NTRA |
Natera, Inc.
|
242,020 | $48,401,578 | |
| 3 | VCYT |
Veracyte, Inc.
|
1,437,322 | $46,296,141 | |
| 4 | CRL |
Charles River Laboratories International, Inc.
This page
|
95,157 | $16,414,582 | |
| 5 | NEO |
Neogenomics Inc
|
2,190,758 | $16,255,424 | |
| 6 | IDXX |
Idexx Laboratories Inc /De
|
28,395 | $15,954,866 | |
| 7 | TMO |
Thermo Fisher Scientific Inc.
|
32,010 | $15,733,875 | |
| 8 | DHR |
Danaher Corp /De/
|
736 | $139,545 |
All Filings in CRL
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $16,414,582 | 95,157 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $20,152,467 | 101,025 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $15,122,484 | 96,654 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $13,399,731 | 88,313 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $13,307,473 | 88,410 | Shares | Sole | 2025-05-05 | |
| 2024-12-31 | $11,568,143 | 62,666 | Shares | Sole | 2025-02-05 | |
| 2024-09-30 | $11,761,669 | 59,713 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $12,118,395 | 58,662 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $14,810,397 | 54,661 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $13,122,564 | 55,510 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $8,961,773 | 45,728 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $6,084,214 | 28,938 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $5,638,447 | 27,938 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $5,271,872 | 24,194 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $2,035,305 | 10,342 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $2,317,509 | 10,831 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $3,216,244 | 11,326 | Shares | Sole | 2022-05-09 | |
| 2021-12-31 | $4,367,633 | 11,592 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $6,314,676 | 15,302 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $5,688,259 | 15,377 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $7,043,448 | 24,302 | Shares | Sole | 2021-05-11 | |
| 2020-12-31 | $7,000,327 | 28,017 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $8,749,348 | 38,637 | Shares | Sole | 2020-11-10 | |
| 2020-06-30 | $7,093,778 | 40,687 | Shares | Sole | 2020-08-06 | |
| 2020-03-31 | $4,781,718 | 37,887 | Shares | Sole | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||