CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Total Trades
58
Buys
8
Sells
36
Largest Trade
$1M+
Insiders
10
Institutional Funds
492
Inst. Value
$1M+
Activist Filings
16
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| FOSTER JAMES C | Chairman | SELL | $1M+ | 20K | $287.83 | Feb 25, 2022 |
| LaPlume Joseph W | EVP | SELL | $100K–$500K | 395 | $292.75 | Feb 24, 2022 |
| FOSTER JAMES C | Chairman | SELL | $1M+ | 17K | $288.67 | Feb 23, 2022 |
| FOSTER JAMES C | Chairman | EXERCISE | $1M+ | 17K | $144.67 | Feb 23, 2022 |
| LaPlume Joseph W | EVP | EXERCISE | $50K–$100K | 743 | $88.05 | Feb 23, 2022 |
| LaPlume Joseph W | EVP | SELL | $100K–$500K | 2K | $291.55 | Feb 23, 2022 |
| WALLMAN RICHARD F | Director | SELL | $1M+ | 7K | $292.84 | Feb 23, 2022 |
| FOSTER JAMES C | Chairman | SELL | $1M+ | 20K | $315.46 | Feb 17, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 492 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 1.9M | $1M+ | SH |
| HARRIS ASSOCIATES L P | 1.7M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 1.3M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $1M+ | SH |
| EARNEST PARTNERS LLC | 988K | $1M+ | SH |
| Neuberger Berman Group LLC | 845K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 836K | $1M+ | SH |
| MACKENZIE FINANCIAL CORP | 781K | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 696K | $1M+ | SH |
| VICTORY CAPITAL MANAGEMENT INC | 691K | $1M+ | SH |
| Alyeska Investment Group, L.P. | 645K | $1M+ | SH |
| COOKE & BIELER LP | 608K | $1M+ | SH |
| Clearbridge Investments, LLC | 512K | $1M+ | SH |
| NORGES BANK | 485K | $1M+ | SH |
| LSV ASSET MANAGEMENT | 476K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 454K | $1M+ | SH |
| Van Berkom & Associates Inc. | 451K | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 300K | $1M+ | SH |
| PRIMECAP MANAGEMENT CO/CA/ | 267K | $1M+ | SH |
| Walleye Capital LLC | 251K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 12, 2026
5.5%
2.7M shares
Wellington Management Group LLP
SC 13G/A · Feb 10, 2026
3.6%
1.7M shares
SC 13G/A · Nov 14, 2025
1.6%
808K shares
Wellington Management Group LLP
SC 13G/A · Nov 12, 2025
6.5%
3.2M shares
SC 13G · Aug 14, 2025
5.4%
2.7M shares
Wellington Management Group LLP
SC 13G/A · May 12, 2025
8.4%
4.3M shares
SC 13G/A · Apr 17, 2025
6.9%
3.5M shares
SC 13G/A · Nov 8, 2024
8.2%
4.2M shares
Wellington Management Group LLP
SC 13G · Nov 8, 2024
7.3%
3.7M shares
SC 13G/A · Oct 22, 2024
8.2%
4.2M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.7%
6.0M shares
SC 13G/A · Jan 24, 2024
10.1%
5.2M shares
SC 13G/A · Jul 7, 2023
10.2%
5.2M shares
SC 13G/A · Jan 31, 2023
1.1%
557K shares
SC 13G/A · Jan 24, 2023
9.8%
5.0M shares
SC 13G/A · Jan 28, 2022
10.1%
5.1M shares