ADAGE CAPITAL PARTNERS GP, L.L.C.
Position in CRL — Charles River Laboratories International, Inc.
CIK 1165408
Boston, MA
Position in CRL
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$44,161,552
-$18,007,786 QoQ
Shares Held
256,009
-17.9% QoQ
Ownership
0.531%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
16 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, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $583,875,820 across 11 Diagnostics & Research names. CRL ranks #4 (7.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
545,832 | $268,292,802 | |
| 2 | GH |
Guardant Health, Inc.
|
816,095 | $75,382,695 | |
| 3 | DHR |
Danaher Corp /De/
|
376,027 | $71,294,719 | |
| 4 | CRL |
Charles River Laboratories International, Inc.
This page
|
256,009 | $44,161,552 | |
| 5 | IDXX |
Idexx Laboratories Inc /De
|
68,301 | $38,377,648 | |
| 6 | LH |
Labcorp Holdings Inc.
|
106,000 | $28,281,860 | |
| 7 | WAT |
Waters Corp /De/
|
87,856 | $26,163,516 | |
| 8 | QGEN |
Qiagen N.V.
|
285,000 | $11,411,400 |
All Filings in CRL
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $44,161,552 | 256,009 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $62,169,338 | 311,657 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $21,049,346 | 134,535 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $6,827,850 | 45,000 | Shares | Sole | 2025-08-14 | |
| 2024-06-30 | $8,731,930 | 42,269 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $23,622,233 | 87,183 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $36,418,602 | 154,055 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $21,501,553 | 109,713 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $2,343,867 | 11,148 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $1,575,205 | 7,805 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $11,287,220 | 51,800 | Shares | Sole | 2023-02-14 | |
| 2022-06-30 | $11,319,013 | 52,900 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $3,606,419 | 12,700 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $20,270,764 | 53,800 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $22,531,782 | 54,600 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $20,493,568 | 55,400 | Shares | Sole | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||