Charles River Laboratories CRL
Charles River Laboratories is the 437th largest S&P 500 company by market cap, worth $16.5 billion. 12 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 6 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 12.0% of the company.
- CEO
- Birgit Girshick
- Sector
- Health Care
- Sub-industry
- Life Sciences Tools & Services
- Headquarters
- Wilmington, Massachusetts
- Founded
- 1947
- More
- Wikipedia
- Market cap
- $16.5B
- 437th largest, 23 Oct 2026 close
- Price to sales
- 4.1
- Market cap over revenue
- Market cap per employee
- $837K
- Market cap over employees
- Connections
- 2
- S&P 500 companies sharing a director or officer
Largest institutional holders
Each fund group's share of Charles River Laboratories. Where a company has several share classes, the share is of its total value.
13F filings for the quarter to 30 Jun 2026
Board and officers
2 people here also hold roles at other S&P 500 companies.
Roles filed up to 30 Sep 2026
| Name | Title |
|---|---|
| Directors (12) | |
| Birgit GirshickChief Executive Officer | |
| Nancy C. AndrewsDirector | |
| Steven BargDirector | |
| Abraham CeesayDirector | |
| Mark J. EnyedyDirector | |
| James C. FosterDirector | |
| Paul W. GravesDirector | |
| Reshema Kemps-PolancoDirector | |
| George Llado Sr.Director | |
| Martin MackayDirector | |
| Craig B. ThompsonDirectorAlso at Regeneron Pharmaceuticals | |
| Virginia M. WilsonDirectorAlso at Carrier Global | |
| Officers (6) | |
| Glenn ColemanEVP & Chief Financial OfficerLast filed 2 Jun 2026 | |
| Victoria L. CreamerEVP & Chief People OfficerLast filed 10 Aug 2026 | |
| Michael Gunnar KnellSVP, Finance and CAOLast filed 10 Aug 2026 | |
| Joseph W. LaPlumeEVP, Corp Strategy & DevelopLast filed 11 Aug 2026 | |
| Mark MintzEVP, Chief Information OfficerLast filed 2 Jun 2026 | |
| Shannon M. ParisottoCEVP, Disc & Safety AssessmentLast filed 20 Aug 2026 | |
Companies that share people with Charles River Laboratories
Each person's title here, then at the other company.
- Carrier Global CARR
- Virginia M. Wilson: Director here, Director there
- Regeneron Pharmaceuticals REGN
- Craig B. Thompson: Director here, Director there
Charles River Laboratories' market cap since December 2008
Marked weeks are changes in the share count, such as a merger, not market moves.
Weekly, up to 23 Oct 2026
| Week ending | Market cap |
|---|---|
| 23 Oct 2026 | $16.5B |
| 26 Dec 2025 | $10.0B |
| 27 Dec 2024 | $9.5B |
| 29 Dec 2023 | $12.1B |
| 30 Dec 2022 | $11.1B |
| 31 Dec 2021 | $19.0B |
| 25 Dec 2020 | $12.5B |
| 27 Dec 2019 | $7.4B |
| 28 Dec 2018 | $5.4B |
| 29 Dec 2017 | $5.2B |
| 30 Dec 2016 | $3.6B |
| 25 Dec 2015 | $3.7B |
| 26 Dec 2014 | $3.0B |
| 27 Dec 2013 | $2.6B |
| 28 Dec 2012 | $1.8B |
| 30 Dec 2011 | $1.4B |
| 31 Dec 2010 | $2.0B |
| 25 Dec 2009 | $2.2B |
| 26 Dec 2008 | $1.6B |
Download Charles River Laboratories' data as JSON, with the weekly market caps in billions of dollars from 5 Dec 2008.
Workforce
Headcount at 27 Dec 2025
- Employees
- 19,700
As of December 27, 2025, we had approximately 19,700 employees (including approximately 2,400 science professionals with advanced degrees, including Ph.D.s, D.V.M.s and M.D.s).
Insider trades
Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.
Trades from 30 Sep 2025 to 30 Sep 2026
Directors and officers sold $42.6 million of stock in 10 sales and bought $4,364 in 1 purchase in the 12 months to 30 Sep 2026.
| Date | Person | Value |
|---|---|---|
| 25 Aug 2026Sale | James C. FosterDirector | $10M |
| 19 Aug 2026Sale | Shannon M. ParisottoCEVP, Disc & Safety Assessment | $600K |
| 18 Aug 2026Sale | Nancy C. AndrewsDirector | $163K |
| 11 Aug 2026Sale | Birgit GirshickChief Executive Officer | $1.8M |
| 11 Aug 2026Sale | Shannon M. ParisottoCEVP, Disc & Safety Assessment | $1.0M |
| 10 Aug 2026Sale | James C. FosterDirector | $7.9M |
| 6 Aug 2026Sale | Michael Gunnar KnellSVP, Finance and CAO | $1.7M |
| 6 Aug 2026Sale | Victoria L. CreamerEVP & Chief People Officer | $1.1M |
| 5 Aug 2026Sale | Shannon M. ParisottoCEVP, Disc & Safety Assessment | $1.3M |
| 29 Jun 2026Sale | James C. FosterDirector | $17M |
Showing 10 of 11 trades
Trades by members of Congress and officials
Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.
Trades from 20 Oct 2023 to 20 Oct 2026
6 people disclosed 21 purchases and 9 sales of Charles River Laboratories stock since October 2023.
| Date | Member or official | Amount |
|---|---|---|
| 25 Sep 2026 | Rohit KhannaHouse, D-CA 路 Sold | $1K to $15K |
| 23 Jul 2026 | Donald J TrumpPresident 路 Bought | $100K to $250K |
| 20 Jul 2026 | Rohit KhannaHouse, D-CA 路 Bought | $1K to $15K |
| 2 Jun 2026 | Rohit KhannaHouse, D-CA 路 Bought | $1K to $15K |
| 11 May 2026 | Donald J TrumpPresident 路 Sold | $50K to $100K |
| 13 Apr 2026 | Rohit KhannaHouse, D-CA 路 Bought | $1K to $15K |
| 24 Feb 2026 | Rohit KhannaHouse, D-CA 路 Bought | $1K to $15K |
| 29 Jan 2026 | Rohit KhannaHouse, D-CA 路 Bought | $1K to $15K |
| 29 Jan 2026 | Rohit KhannaHouse, D-CA 路 Bought | $1K to $15K |
| 15 May 2025 | Rob BresnahanHouse, R-PA 路 Sold | $1K to $15K |
Showing 10 of 30 trades
WARN layoff notices
Notices filed under Charles River Laboratories' own name. Subsidiaries that file under their own names are not included.
Notices from 26 Oct 2023 to 26 Oct 2026
Charles River Laboratories filed 12 notices covering 516 workers since October 2023.
| Notice | Place | Workers |
|---|---|---|
| 25 Mar 2026 | Wilmington, MA | 71 |
| 19 Feb 2026 | Wilmington, MA | 71 |
| 2 Feb 2026 | Hanover, MD | 20 |
| 16 Dec 2025 | Wilmington, MA | 71 |
| 10 Nov 2025 | Wilmington, MA | 68 |
| 2 Apr 2025 | Frederick, MD | 13 |
| 29 Jan 2025 | Frederick, MD | 7 |
| 28 Jan 2025 | Durham, NC | 37 |
| 27 Jan 2025 | Durham, NC | 37 |
| 6 Nov 2024 | Skokie, IL | 94 |
Showing 10 of 12 notices