How many shares of CRL does MARSHALL WACE, LLP own?

As of 2026-Q2, MARSHALL WACE, LLP holds 342,995 shares of CRL (CHARLES RIVER LABORATORIES).

What is MARSHALL WACE, LLP's CRL position worth?

As of 2026-Q2, MARSHALL WACE, LLP's CRL position is worth $77.8M.

In 2026-Q2, MARSHALL WACE, LLP increased their CRL position (+129.2% change in shares).

Based on available 13F filings, MARSHALL WACE, LLP first reported a position in CRL in 2018-Q4. They have held the position across 31 quarters.

Position history for MWMARSHALL WACE, LLP's holdings in CHARLES RIVER LABORATORIES

Current Value

$77.8M

Current Shares

342,995

Total Value Change

+$77.3M

Total Shares Change

+338,925

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	342,995	+129.2%	$77.8M	0.1%	$226.79	48
2026-Q1	Increased	149,651	+20.5%	$25.8M	0.0%	$172.50	34
2025-Q4	Decreased	124,193	-10.1%	$24.8M	0.0%	$199.48	0
2025-Q3	Increased	138,110	+881.5%	$21.6M	0.0%	$156.46	46
2025-Q2	Decreased	14,072	-62.9%	$2.1M	0.0%	$151.73	0
2025-Q1	Increased	37,934	+75.6%	$5.7M	0.0%	$150.52	41
2024-Q4	Decreased	21,608	-93.0%	$4M	0.0%	$184.60	0
2024-Q3	Decreased	309,059	-62.6%	$60.9M	0.1%	$196.97	0
2024-Q2	Increased	825,905	+24.6%	$170.6M	0.2%	$206.58	44
2024-Q1	New	662,849	-	$179.6M	0.3%	$270.95	50
2023-Q4	Exited	0	-100.0%	$0	0.0%	$236.40	0
2023-Q3	Decreased	121,479	-71.5%	$23.8M	0.0%	$195.98	0
2023-Q2	Decreased	426,526	-55.3%	$89.7M	0.2%	$210.25	0
2023-Q1	Increased	954,914	+9.2%	$192.7M	0.4%	$201.82	40
2022-Q4	Increased	874,773	+57.4%	$190.6M	0.4%	$217.90	52
2022-Q3	Increased	555,678	+63.3%	$109.4M	0.2%	$196.80	52
2022-Q2	Increased	340,306	+96.9%	$72.8M	0.1%	$213.97	57
2022-Q1	Decreased	172,859	-62.0%	$49.1M	0.1%	$283.97	0
2021-Q4	Increased	454,795	+50.3%	$171.4M	0.3%	$376.78	50
2021-Q3	Increased	302,537	+7.0%	$124.8M	0.5%	$412.67	46
2021-Q2	Decreased	282,727	-69.2%	$104.6M	0.5%	$369.92	0
2021-Q1	Increased	917,056	+7.5%	$265.8M	1.2%	$289.83	52
2020-Q4	Increased	852,914	+4.9%	$213.1M	1.2%	$249.86	51
2020-Q3	Increased	813,277	+789.3%	$184.2M	1.2%	$226.45	77
2020-Q2	New	91,448	-	$15.9M	0.1%	$174.35	47
2020-Q1	Exited	0	-100.0%	$0	0.0%	$126.21	0
2019-Q4	Increased	201,547	+66.2%	$30.8M	0.2%	$152.76	51
2019-Q3	Increased	121,244	+73.7%	$16M	0.1%	$132.37	51
2019-Q2	Increased	69,783	+366.2%	$9.9M	0.1%	$141.90	45
2019-Q1	Increased	14,968	+267.8%	$2.2M	0.0%	$145.25	42
2018-Q4	New	4,070	-	$461,000	0.0%	$113.18	33