FRONTIER CAPITAL MANAGEMENT CO LLC
Position in CRL — Charles River Laboratories International, Inc.
CIK 351173
Boston, MA
Position in CRL
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$8,290,695
-$16,385,180 QoQ
Shares Held
48,062
-61.1% QoQ
Ownership
0.100%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2022
14 quarters on record
Voting authority
Sole 76.19116973908702.ToString("F0")%
Shared 0.ToString("F0")%
None 23.808830260912988.ToString("F0")%
Common Shares in CRL Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026FRONTIER CAPITAL MANAGEMENT CO LLC holds $144,741,915 across 8 Diagnostics & Research names. CRL ranks #7 (5.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NTRA |
Natera, Inc.
|
294,347 | $58,866,456 | |
| 2 | IDXX |
Idexx Laboratories Inc /De
|
35,364 | $19,870,677 | |
| 3 | MTD |
Mettler Toledo International Inc/
|
13,333 | $16,815,579 | |
| 4 | RVTY |
Revvity, Inc.
|
188,722 | $16,533,934 | |
| 5 | A |
Agilent Technologies, Inc.
|
105,568 | $12,032,640 | |
| 6 | ICLR |
Icon PLC
|
108,467 | $12,002,958 | |
| 7 | CRL |
Charles River Laboratories International, Inc.
This page
|
48,062 | $8,290,695 | |
| 8 | LH |
Labcorp Holdings Inc.
|
1,233 | $328,976 |
All Filings in CRL
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,290,695 | 48,062 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $24,675,875 | 123,701 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $7,866,026 | 50,275 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $7,859,765 | 51,801 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $10,697,757 | 71,072 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $13,515,489 | 73,215 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $14,447,355 | 73,348 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $15,365,626 | 74,381 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $18,458,739 | 68,126 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $12,085,477 | 51,123 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $9,291,803 | 47,412 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $5,747,394 | 27,336 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $5,573,259 | 27,615 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $6,560,315 | 30,107 | Shares | Sole | 2023-02-14 | |
| No filing history on record for this holder in this stock. | ||||||