Group One Trading, L.P. Charles River Laboratories International, Inc. Transaction History

Group One Trading, L.P.

$2.68 Billion
Q2 2025

A detailed history of Group One Trading, L.P. transactions in Charles River Laboratories International, Inc. stock. As of the latest transaction made, Group One Trading, L.P. holds 973 shares of CRL stock, worth $168,786. This represents 0.01% of its overall portfolio holdings.

Number of Shares

973

Previous 10,706 90.91%

Holding current value

$168,786

Previous $1.61 Million 90.88%

% of portfolio

0.01%

Previous 0.07%

15 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 13, 2025	SELL	$99.75 - $151.89 $970,866 - $1.48 Million	-9,733 Reduced 90.91%	973 $147,000
Q1 2025 May 14, 2025	BUY	$150.52 - $190.14 $404,146 - $510,525	2,685 Added 33.47%	10,706 $1.61 Million
Q4 2024 Feb 14, 2025	BUY	$178.58 - $220.69 $408,055 - $504,276	2,285 Added 39.84%	8,021 $1.48 Million
Q3 2024 Nov 14, 2024	BUY	$187.96 - $245.29 $1.08 Million - $1.41 Million	5,736 New	5,736 $1.13 Million
Q1 2024 May 10, 2024	BUY	$203.52 - $273.43 $8,140 - $10,937	40 Added 78.43%	91 $24,000
Q4 2023 Feb 14, 2024	BUY	$164.52 - $238.84 $8,390 - $12,180	51 New	51 $12,000
Q1 2023 May 12, 2023	SELL	$191.89 - $259.92 $296,278 - $401,316	-1,544 Reduced 52.95%	1,372 $276,000
Q4 2022 Feb 09, 2023	BUY	$197.11 - $250.07 $560,186 - $710,698	2,842 Added 3840.54%	2,916 $635,000
Q3 2022 Nov 09, 2022	SELL	$182.44 - $250.54 $23,352 - $32,069	-128 Reduced 63.37%	74 $15,000
Q2 2022 Aug 11, 2022	SELL	$204.13 - $302.4 $712,821 - $1.06 Million	-3,492 Reduced 94.53%	202 $43,000
Q1 2022 May 12, 2022	BUY	$255.51 - $362.11 $590,483 - $836,836	2,311 Added 167.1%	3,694 $1.05 Million
Q4 2021 Feb 11, 2022	BUY	$351.38 - $448.68 $485,958 - $620,524	1,383 New	1,383 $521,000
Q2 2019 Aug 09, 2019	SELL	$123.4 - $148.55 $1.04 Million - $1.25 Million	-8,392 Closed	0 $0
Q1 2019 May 13, 2019	BUY	$104.82 - $146.73 $453,870 - $635,340	4,330 Added 106.6%	8,392 $1.22 Million
Q4 2018 Feb 06, 2019	BUY	$105.09 - $137.23 $426,875 - $557,428	4,062 New	4,062 $460,000

Others Institutions Holding CRL

# of Institutions

616

Shares Held

52.7M

Call Options Held

1.42M

Put Options Held

1.42M

View Full List

About CHARLES RIVER LABORATORIES INTERNATIONAL, INC.

Ticker CRL
Exchange NYSE
Sector Healthcare
Industry Diagnostics & Research
Shares Outstandng 50,863,300
Market Cap $8.82B
Description
Charles River Laboratories International, Inc., a non-clinical contract research organization, provides drug discovery, non-clinical development, and safety testing services in the United States, Europe, Canada, the Asia Pacific, and internationally. It operates through three segments: Research Models and Services (RMS), Discovery and Safety Ass...

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Group One Trading, L.P. Charles River Laboratories International, Inc. Transaction History