PRIMECAP MANAGEMENT CO/CA/
Position in CRL — Charles River Laboratories International, Inc.
CIK 763212
PASADENA, CA
Position in CRL
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$46,038,525
-$7,200,692 QoQ
Shares Held
266,890
0.0% QoQ
Ownership
0.554%
of shares outstanding
% of Portfolio
0.04%
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, 2026PRIMECAP MANAGEMENT CO/CA/ holds $1,916,024,145 across 9 Diagnostics & Research names. CRL ranks #7 (2.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
1,982,531 | $974,473,462 | |
| 2 | DHR |
Danaher Corp /De/
|
1,556,970 | $295,201,512 | |
| 3 | ILMN |
Illumina, Inc.
|
2,067,299 | $254,815,274 | |
| 4 | A |
Agilent Technologies, Inc.
|
1,334,006 | $152,050,003 | |
| 5 | GRAL |
GRAIL, Inc.
|
1,843,772 | $95,286,136 | |
| 6 | RVTY |
Revvity, Inc.
|
867,030 | $75,960,498 | |
| 7 | CRL |
Charles River Laboratories International, Inc.
This page
|
266,890 | $46,038,525 | |
| 8 | WAT |
Waters Corp /De/
|
38,847 | $11,568,636 |
All Filings in CRL
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $46,038,525 | 266,890 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $53,239,217 | 266,890 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $42,328,688 | 270,540 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $41,058,138 | 270,600 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $41,075,402 | 272,890 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $50,392,108 | 272,980 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $53,894,931 | 273,620 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $56,547,143 | 273,730 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $74,221,333 | 273,930 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $64,757,052 | 273,930 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $53,684,801 | 273,930 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $57,604,295 | 273,980 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $55,294,643 | 273,980 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $62,044,846 | 284,740 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $58,020,576 | 294,820 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $63,305,164 | 295,860 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $92,259,013 | 324,890 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $134,804,348 | 357,780 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $150,550,269 | 364,820 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $135,209,459 | 365,510 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $107,312,455 | 370,260 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $92,555,639 | 370,430 | Shares | Sole | 2021-02-08 | |
| 2020-09-30 | $84,126,175 | 371,500 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $65,660,210 | 376,600 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $47,720,001 | 378,100 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||