MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Position in CRL — Charles River Laboratories International, Inc.
CIK 912938
Boston, MA
Position in CRL
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$156,776,623
-$19,701,534 QoQ
Shares Held
908,850
+2.7% QoQ
Ownership
1.89%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
13 quarters on record
Voting authority
Sole 80.79187984815977.ToString("F0")%
Shared 15.997359300214557.ToString("F0")%
None 3.210760851625681.ToString("F0")%
Common Shares in CRL Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $6,634,384,911 across 18 Diagnostics & Research names. CRL ranks #8 (2.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
3,013,109 | $1,481,033,464 | |
| 2 | A |
Agilent Technologies, Inc.
|
12,624,090 | $1,438,893,775 | |
| 3 | WAT |
Waters Corp /De/
|
4,630,118 | $1,378,849,136 | |
| 4 | DHR |
Danaher Corp /De/
|
4,165,769 | $789,829,800 | |
| 5 | NTRA |
Natera, Inc.
|
2,040,106 | $408,000,796 | |
| 6 | ICLR |
Icon PLC
|
2,727,824 | $301,861,000 | |
| 7 | MTD |
Mettler Toledo International Inc/
|
148,743 | $187,594,670 | |
| 8 | CRL |
Charles River Laboratories International, Inc.
This page
|
908,850 | $156,776,623 |
All Filings in CRL
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13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $156,776,623 | 908,850 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $176,478,157 | 884,691 | Shares | Sole | 2026-01-22 | |
| 2022-09-30 | $53,161,581 | 270,130 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $184,107,274 | 860,435 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $324,356,778 | 1,142,222 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $486,843,088 | 1,292,115 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $560,094,705 | 1,357,246 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $532,096,255 | 1,438,409 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $399,512,973 | 1,378,439 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $342,745,454 | 1,371,750 | Shares | Sole | 2021-05-12 | |
| 2020-09-30 | $287,111,651 | 1,267,881 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $149,686,797 | 858,542 | Shares | Sole | 2020-11-20 | |
| 2020-03-31 | $74,328,981 | 588,931 | Shares | Sole | 2020-11-20 | |
| No filing history on record for this holder in this stock. | ||||||