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CITADEL ADVISORS LLC

Position in CRL — Charles River Laboratories International, Inc.

CIK 1423053 MIAMI, FL

Position in CRL

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$209,096,220
+$125,810,129 QoQ
Shares Held
1,212,152
+190.3% QoQ
Ownership
2.52%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 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)

Derivatives in CRL

reported options exposure · as of Mar 31, 2026
CallValue
$4,881,750
CallShares
28,300
PutValue
$1,656,000
PutShares
9,600

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Diagnostics & Research

Healthcare · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $1,657,068,556 across 34 Diagnostics & Research names. CRL ranks #2 (12.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 CRL
Charles River Laboratories International, Inc.
This page
1,212,152 $209,096,220

All Filings in CRL

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,656,000 9,600
2026-03-31 $4,881,750 28,300
2026-03-31 $209,096,220 1,212,152
2025-12-31 $1,077,192 5,400
2025-12-31 $83,286,091 417,516
2025-12-31 $4,568,092 22,900
2025-09-30 $2,253,024 14,400
2025-09-30 $5,585,622 35,700
2025-09-30 $18,466,973 118,030
2025-06-30 $6,569,909 43,300
2025-06-30 $85,665,392 564,591
2025-06-30 $6,433,352 42,400
2025-03-31 $5,162,836 34,300
2025-03-31 $6,878,764 45,700
2025-03-31 $42,449,198 282,017
2024-12-31 $31,497,559 170,626
2024-12-31 $8,307,000 45,000
2024-12-31 $8,750,040 47,400
2024-09-30 $7,681,830 39,000
2024-09-30 $2,796,383 14,197
2024-09-30 $11,207,593 56,900
2024-06-30 $11,341,242 54,900
2024-06-30 $5,962,311 28,862
2024-06-30 $17,146,140 83,000
2024-03-31 $889,799 3,284
2024-03-31 $18,993,595 70,100
2024-03-31 $11,813,420 43,600
2023-12-31 $11,489,040 48,600
2023-12-31 $44,916 190
2023-12-31 $10,756,200 45,500
2023-09-30 $4,683,922 23,900
2023-09-30 $11,151,262 56,900
2023-09-30 $1,267,990 6,470
2023-06-30 $1,745,075 8,300
2023-06-30 $5,607,366 26,670
2023-06-30 $1,156,375 5,500
2023-03-31 $1,493,468 7,400
2023-03-31 $3,935,490 19,500
2023-03-31 $1,473,285 7,300
2022-12-31 $8,853,712 40,632
2022-12-31 $5,730,770 26,300
2022-12-31 $2,701,960 12,400
2022-09-30 $2,007,360 10,200
2022-09-30 $9,525,120 48,400
2022-09-30 $3,608,130 18,334
2022-06-30 $3,378,800 15,791
2022-06-30 $6,440,497 30,100
2022-06-30 $4,643,149 21,700
2022-03-31 $9,512,995 33,500
2022-03-31 $63,770,006 224,566