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CRL · Charles River Laboratories International, Inc.

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Market Cap
$13.93B
Shares
47.74M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 571
Total Value: $12,958,302,784
Total Shares: 57,145,032
Showing 1–100 of 582 holdings by value · page 1 of 6

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 571 13F filers · Δ vs Mar 31, 2026
Top Holder
7.4%
Sep 2023 → Jun 2026 · range 6.7% – 11.6%
+0.7 pts
Top 5
28.7%
Sep 2023 → Jun 2026 · range 26.4% – 36.0%
+2.3 pts
Top 10
44.7%
Sep 2023 → Jun 2026 · range 42.4% – 48.9%
+2.1 pts
HHI
284
Sep 2023 → Jun 2026 · range 261 – 361
Broadly held+23

Quarterly Activity

vs Mar 31, 2026
New
77
Increased
196
Decreased
203
Sold Out
71
Unchanged
95
Holder count: +6
Institutional value: +30.5%
Shares held: -0.7%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 582
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1100682 CUSIP 159864107 13F (30d) 399 filings 391 filers Visit website Investor relations