Marshall Wace, LLP Idexx Laboratories Inc Transaction History

Marshall Wace, LLP

$74.4 Billion
Q1 2025

A detailed history of Marshall Wace, LLP transactions in Idexx Laboratories Inc stock. As of the latest transaction made, Marshall Wace, LLP holds 110,549 shares of IDXX stock, worth $56.9 Million. This represents 0.06% of its overall portfolio holdings.

Number of Shares

110,549

Previous 207,114 46.62%

Holding current value

$56.9 Million

Previous $85.6 Million 45.78%

% of portfolio

0.06%

Previous 0.11%

27 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 15, 2025	SELL	$406.29 - $469.04 $39.2 Million - $45.3 Million	-96,565 Reduced 46.62%	110,549 $46.4 Million
Q4 2024 Feb 13, 2025	BUY	$406.92 - $495.42 $72.8 Million - $88.6 Million	178,841 Added 632.55%	207,114 $85.6 Million
Q3 2024 Nov 14, 2024	BUY	$455.08 - $517.19 $3.54 Million - $4.02 Million	7,773 Added 37.92%	28,273 $14.3 Million
Q2 2024 Aug 14, 2024	BUY	$468.04 - $548.53 $234,020 - $274,265	500 Added 2.5%	20,500 $9.99 Million
Q1 2024 May 15, 2024	SELL	$515.08 - $576.87 $14.6 Million - $16.3 Million	-28,287 Reduced 58.58%	20,000 $10.8 Million
Q4 2023 Feb 14, 2024	BUY	$391.37 - $557.56 $11.1 Million - $15.8 Million	28,287 Added 141.44%	48,287 $26.8 Million
Q3 2023 Nov 14, 2023	SELL	$432.42 - $556.67 $13.8 Million - $17.8 Million	-31,983 Reduced 61.53%	20,000 $8.75 Million
Q2 2023 Aug 14, 2023	SELL	$450.7 - $503.61 $111 Million - $124 Million	-247,165 Reduced 82.62%	51,983 $26.1 Million
Q1 2023 May 15, 2023	BUY	$406.01 - $514.59 $121 Million - $154 Million	299,148 New	299,148 $150 Million
Q3 2022 Nov 14, 2022	BUY	$325.8 - $407.78 $10.3 Million - $12.9 Million	31,553 New	31,553 $10.3 Million
Q1 2022 May 16, 2022	SELL	$466.52 - $631.01 $1.37 Million - $1.86 Million	-2,942 Closed	0 $0
Q4 2021 Feb 14, 2022	SELL	$586.54 - $666.48 $5.27 Million - $5.99 Million	-8,987 Reduced 75.34%	2,942 $1.94 Million
Q3 2021 Nov 15, 2021	SELL	$621.9 - $705.76 $13.8 Million - $15.7 Million	-22,249 Reduced 65.1%	11,929 $7.42 Million
Q2 2021 Aug 13, 2021	BUY	$486.36 - $637.08 $6.32 Million - $8.27 Million	12,985 Added 61.27%	34,178 $21.6 Million
Q1 2021 May 17, 2021	BUY	$465.18 - $551.79 $9.86 Million - $11.7 Million	21,193 New	21,193 $10.4 Million
Q2 2020 Aug 13, 2020	SELL	$230.66 - $330.16 $62,508 - $89,473	-271 Closed	0 $0
Q1 2020 May 15, 2020	SELL	$182.94 - $290.97 $14.2 Million - $22.6 Million	-77,688 Reduced 99.65%	271 $65,000
Q4 2019 Feb 14, 2020	BUY	$248.66 - $285.01 $1.33 Million - $1.53 Million	5,355 Added 7.38%	77,959 $20.4 Million
Q3 2019 Nov 14, 2019	SELL	$260.07 - $289.93 $44.9 Million - $50.1 Million	-172,676 Reduced 70.4%	72,604 $19.7 Million
Q2 2019 Aug 14, 2019	SELL	$215.53 - $275.33 $3.45 Million - $4.4 Million	-15,996 Reduced 6.12%	245,280 $67.5 Million
Q1 2019 May 14, 2019	BUY	$178.02 - $225.69 $18.3 Million - $23.2 Million	102,660 Added 64.72%	261,276 $58.4 Million
Q4 2018 Feb 14, 2019	BUY	$176.18 - $248.92 $26.7 Million - $37.7 Million	151,351 Added 2083.29%	158,616 $29.5 Million
Q3 2018 Nov 14, 2018	SELL	$218.82 - $254.46 $44.5 Million - $51.7 Million	-203,268 Reduced 96.55%	7,265 $1.81 Million
Q2 2018 Aug 14, 2018	BUY	$185.56 - $227.9 $39.1 Million - $48 Million	210,533 New	210,533 $45.9 Million
Q1 2018 May 15, 2018	SELL	$157.81 - $204.73 $1.76 Million - $2.28 Million	-11,132 Closed	0 $0
Q4 2017 Feb 14, 2018	BUY	$147.68 - $168.37 $22,299 - $25,423	151 Added 1.38%	11,132 $1.74 Million
Q3 2017 Nov 13, 2017	BUY	$150.32 - $166.46 $1.65 Million - $1.83 Million	10,981	10,981 $1.7 Million

Others Institutions Holding IDXX

# of Institutions

1,261

Shares Held

76.3M

Call Options Held

129K

Put Options Held

219K

View Full List

About IDEXX LABORATORIES INC

Ticker IDXX
Exchange NASDAQ
Sector Healthcare
Industry Diagnostics & Research
Shares Outstandng 83,253,696
Market Cap $42.9B
Description
IDEXX Laboratories, Inc. develops, manufactures, and distributes products and services primarily for the companion animal veterinary, livestock and poultry, dairy, and water testing markets worldwide. The company operates through CAG; Water Quality Products; LPD; and Other segments. It provides point-of-care veterinary diagnostic products, inclu...

More about IDXX

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Marshall Wace, LLP Idexx Laboratories Inc Transaction History