LOOMIS SAYLES & CO L P
Position in CRL — Charles River Laboratories International, Inc.
CIK 312348
BOSTON, MA
Position in CRL
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$29,494,394
+$17,018,118 QoQ
Shares Held
170,982
+173.4% QoQ
Ownership
0.355%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
15 quarters on record
Voting authority
Sole 75.9524394380695.ToString("F0")%
Shared 0.ToString("F0")%
None 24.047560561930496.ToString("F0")%
Common Shares in CRL Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026LOOMIS SAYLES & CO L P holds $1,412,201,549 across 13 Diagnostics & Research names. CRL ranks #6 (2.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
1,363,758 | $670,327,969 | |
| 2 | ILMN |
Illumina, Inc.
|
2,942,977 | $362,751,344 | |
| 3 | MTD |
Mettler Toledo International Inc/
|
107,446 | $135,510,895 | |
| 4 | DHR |
Danaher Corp /De/
|
556,853 | $105,579,328 | |
| 5 | RDNT |
RadNet, Inc.
|
686,215 | $38,352,556 | |
| 6 | CRL |
Charles River Laboratories International, Inc.
This page
|
170,982 | $29,494,394 | |
| 7 | NTRA |
Natera, Inc.
|
142,019 | $28,402,379 | |
| 8 | TWST |
Twist Bioscience Corp
|
492,290 | $23,393,620 |
All Filings in CRL
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $29,494,394 | 170,982 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $12,476,276 | 62,544 | Shares | Defined | 2026-02-12 | |
| 2023-03-31 | $9,879,694 | 48,953 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $12,625,997 | 57,944 | Shares | Defined | 2023-02-10 | |
| 2022-09-30 | $11,649,576 | 59,195 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $12,514,249 | 58,486 | Shares | Defined | 2022-08-05 | |
| 2022-03-31 | $8,419,994 | 29,651 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $24,325,669 | 64,562 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $33,105,624 | 80,223 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $43,622,815 | 117,925 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $32,836,579 | 113,296 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $28,286,899 | 113,211 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $19,548,522 | 86,326 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $20,613,225 | 118,229 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $13,777,209 | 109,161 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||