IDXX Insider Trading

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Insider Ownership Percentage: 0.98%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $6,269,435.94

IDEXX Laboratories Insider Trading History Chart

IDEXX Laboratories Share Price & Price History

^$436.97

▲ +2.98 (0.69%)

As of 04/29/2025 05:00 PM ET

Days: 30 | 90 | 365

IDEXX Laboratories Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
2/10/2025	George Fennell	EVP	Sell	9,986	$462.53	$4,618,824.58	8,176
2/7/2025	M. Anne Szostak	Director	Sell	3,000	$465.94	$1,397,820.00	3,061
11/27/2024	Sophie V Vandebroek	Director	Sell	344	$420.44	$144,631.36	905
5/17/2024	Bruce L. Claflin	Director	Sell	200	$540.80	$108,160.00	161
2/8/2024	George Fennell	SVP	Sell	8,198	$573.87	$4,704,586.26	6,712
2/7/2024	Brian P. Mckeon	CFO	Sell	23,326	$570.01	$13,296,053.26	29,718
2/7/2024	Jonathan Jay Mazelsky	CEO	Sell	12,000	$572.61	$6,871,320.00	79,247
12/7/2023	James F Polewaczyk	EVP	Sell	11,636	$521.79	$6,071,548.44	10,050
12/4/2023	Jonathan Jay Mazelsky	CEO	Sell	7,128	$513.05	$3,657,020.40	79,233
8/31/2023	Jonathan Jay Mazelsky	CEO	Sell	13,424	$512.01	$6,873,222.24	72,925
8/29/2023	James F Polewaczyk	EVP	Sell	22,909	$510.56	$11,696,419.04	10,038
8/3/2023	Michael Lane	EVP	Sell	16,027	$510.00	$8,173,770.00	4,034
5/18/2023	Jonathan W. Ayers	Director	Sell	10,000	$489.23	$4,892,300.00	137,039
5/5/2023	Michael Lane	EVP	Sell	1,000	$484.00	$484,000.00	4,022
5/4/2023	Sophie V Vandebroek	Director	Sell	2,187	$469.02	$1,025,746.74	872
2/14/2023	Kathy V Turner	SVP	Sell	2,000	$504.59	$1,009,180.00	7,380
2/9/2023	Kathy V Turner	SVP	Sell	1,000	$505.04	$505,040.00	6,941
12/5/2022	Daniel M Junius	Director	Sell	3,046	$424.91	$1,294,275.86	2,968
12/2/2022	M. Anne Szostak	Director	Sell	740	$428.55	$317,127.00	1,260
12/1/2022	Kathy V Turner	SVP	Sell	3,000	$436.00	$1,308,000.00	6,923
11/14/2022	Jonathan Jay Mazelsky	CEO	Sell	10,500	$434.47	$4,561,935.00	70,805
11/7/2022	Jonathan Jay Mazelsky	CEO	Sell	13,230	$382.49	$5,060,342.70	62,307

See Full Table

SEC Filings (Institutional Ownership Changes) for IDEXX Laboratories (NASDAQ:IDXX)

87.84% of IDEXX Laboratories stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

IDEXX Laboratories Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
4/29/2025	Pacific Point Advisors LLC	3,457	$1.45M	0.8%	+8.6%	0.004%
4/29/2025	TD Private Client Wealth LLC	143	$60K	0.0%	-70.9%	0.000%
4/29/2025	Envestnet Asset Management Inc.	161,829	$67.96M	0.0%	+8.2%	0.200%
4/29/2025	Concurrent Investment Advisors LLC	1,370	$0.58M	0.0%	+59.1%	0.002%
4/29/2025	HM Payson & Co.	21,855	$9.18M	0.2%	-0.8%	0.027%
4/29/2025	Bank of New York Mellon Corp	566,582	$237.94M	0.0%	-1.8%	0.699%
4/29/2025	Impax Asset Management Group plc	8,853	$3.72M	0.0%	+3.6%	0.011%
4/29/2025	Kintegral Advisory LLC	3,696	$1.55M	0.2%	-32.9%	0.005%
4/29/2025	Harel Insurance Investments & Financial Services Ltd.	68	$29K	0.0%	-28.4%	0.000%
4/29/2025	IFM Investors Pty Ltd	18,947	$7.96M	0.1%	+8.6%	0.023%
4/29/2025	GF Fund Management CO. LTD.	17,872	$7.51M	0.2%	+1.5%	0.022%
4/29/2025	OneDigital Investment Advisors LLC	744	$0.31M	0.0%	+32.1%	0.001%
4/29/2025	Silver Oak Securities Incorporated	479	$0.20M	0.0%	-24.1%	0.001%
4/28/2025	D.A. Davidson & CO.	1,800	$0.76M	0.0%	+7.5%	0.002%
4/28/2025	Principal Financial Group Inc.	1,126,002	$472.87M	0.3%	+58.3%	1.389%
4/28/2025	Tandem Investment Advisors Inc.	11,713	$4.92M	0.2%	+203.1%	0.014%
4/28/2025	Teacher Retirement System of Texas	64,200	$26.96M	0.1%	+137.5%	0.079%
4/28/2025	Novem Group	2,746	$1.15M	0.2%	+33.0%	0.003%
4/28/2025	Private Trust Co. NA	240	$0.10M	0.0%	+21.2%	0.000%
4/28/2025	Wilson Asset Management International PTY Ltd.	31,034	$13.03M	3.5%	N/A	0.038%
4/28/2025	Keybank National Association OH	4,061	$1.71M	0.0%	+7.8%	0.005%
4/28/2025	Rossby Financial LCC	498	$0.22M	0.1%	-6.4%	0.001%
4/28/2025	DAVENPORT & Co LLC	6,793	$2.85M	0.0%	+20.2%	0.008%
4/28/2025	Summit Trail Advisors LLC	1,241	$0.52M	0.0%	+53.2%	0.002%
4/28/2025	Sumitomo Mitsui DS Asset Management Company Ltd	20,705	$8.70M	0.1%	+3.0%	0.026%
4/28/2025	Vontobel Holding Ltd.	456,621	$191.76M	0.7%	+9.1%	0.563%
4/25/2025	Mather Group LLC.	760	$0.32M	0.0%	+76.3%	0.001%
4/25/2025	Spinnaker Trust	4,861	$2.04M	0.1%	+4.3%	0.006%
4/25/2025	MorganRosel Wealth Management LLC	63	$26K	0.0%	N/A	0.000%
4/25/2025	Taylor Frigon Capital Management LLC	5,028	$2.11M	1.3%	-2.3%	0.006%
4/25/2025	New York State Teachers Retirement System	67,520	$28.36M	0.1%	-6.4%	0.083%
4/25/2025	Amalgamated Bank	17,315	$7.27M	0.1%	+2.5%	0.021%
4/25/2025	Essex Financial Services Inc.	2,188	$0.92M	0.1%	-2.5%	0.003%
4/25/2025	KBC Group NV	77,537	$32.56M	0.1%	-12.3%	0.096%
4/25/2025	K.J. Harrison & Partners Inc	1,500	$0.63M	0.1%	N/A	0.002%
4/25/2025	Little House Capital LLC	1,402	$0.59M	0.2%	N/A	0.002%
4/25/2025	Sumitomo Mitsui Trust Group Inc.	199,390	$83.73M	0.1%	+0.5%	0.246%
4/24/2025	Patron Partners LLC	706	$0.30M	0.2%	-4.7%	0.001%
4/24/2025	Westwind Capital	45,836	$19.25M	4.8%	+2.6%	0.057%
4/24/2025	Villere ST Denis J & Co. LLC	62,805	$26.38M	2.5%	+0.6%	0.077%
4/24/2025	Allspring Global Investments Holdings LLC	3,737	$1.56M	0.0%	-0.7%	0.005%
4/24/2025	Mirae Asset Global Investments Co. Ltd.	33,477	$13.93M	0.0%	+26.8%	0.041%
4/24/2025	Achmea Investment Management B.V.	2,115	$0.89M	0.0%	-24.9%	0.003%
4/24/2025	Paragon Capital Management Inc.	3,729	$1.57M	1.3%	-2.4%	0.005%
4/24/2025	Loring Wolcott & Coolidge Fiduciary Advisors LLP MA	133,775	$57.07M	0.5%	-0.5%	0.165%
4/24/2025	Diversified Trust Co	1,508	$0.63M	0.0%	N/A	0.002%
4/24/2025	PDS Planning Inc	641	$0.27M	0.0%	+3.9%	0.001%
4/23/2025	Sabal Trust CO	2,503	$1.05M	0.1%	+27.4%	0.003%
4/23/2025	Sequoia Financial Advisors LLC	1,937	$0.81M	0.0%	+15.0%	0.002%
4/23/2025	Robeco Institutional Asset Management B.V.	148,237	$62.25M	0.1%	-14.0%	0.183%
4/23/2025	Perigon Wealth Management LLC	1,413	$0.59M	0.0%	-4.1%	0.002%
4/23/2025	Golden State Wealth Management LLC	116	$49K	0.0%	+3,766.7%	0.000%
4/23/2025	Bessemer Group Inc.	340,062	$142.81M	0.3%	+48.3%	0.420%
4/23/2025	Spire Wealth Management	318	$0.13M	0.0%	-31.2%	0.000%
4/23/2025	International Assets Investment Management LLC	772	$0.32M	0.0%	-23.8%	0.001%
4/23/2025	Sheets Smith Wealth Management	580	$0.24M	0.0%	N/A	0.001%
4/23/2025	Chevy Chase Trust Holdings LLC	42,975	$18.05M	0.1%	-0.1%	0.053%
4/23/2025	LaFleur & Godfrey LLC	10,294	$4.32M	0.6%	+4.7%	0.013%
4/23/2025	E Fund Management Hong Kong Co. Ltd.	114	$48K	0.0%	-30.5%	0.000%
4/23/2025	Legacy Advisors LLC	1,975	$0.83M	0.1%	+2.5%	0.002%
4/23/2025	Asset Management One Co. Ltd.	55,872	$23.46M	0.1%	+5.7%	0.069%
4/23/2025	Oppenheimer Asset Management Inc.	11,478	$4.82M	0.1%	-1.0%	0.014%
4/22/2025	Cambridge Investment Research Advisors Inc.	4,639	$1.95M	0.0%	-10.8%	0.006%
4/22/2025	Kentucky Retirement Systems Insurance Trust Fund	2,363	$0.99M	0.1%	N/A	0.003%
4/22/2025	Kentucky Retirement Systems	5,549	$2.33M	0.1%	-1.9%	0.007%
4/22/2025	Vantage Investment Partners LLC	53,217	$22.35M	1.9%	N/A	0.066%
4/22/2025	Center For Asset Management LLC	538	$0.23M	0.1%	N/A	0.001%
4/22/2025	Suncoast Equity Management	1,777	$0.75M	0.1%	+16.6%	0.002%
4/22/2025	World Equity Group Inc.	587	$0.25M	0.1%	N/A	0.001%
4/22/2025	Norway Savings Bank	3,438	$1.44M	0.8%	+4.0%	0.004%
4/22/2025	GAM Holding AG	5,149	$2.16M	0.2%	+6.3%	0.006%
4/22/2025	Stonegate Investment Group LLC	6,128	$2.57M	0.1%	N/A	0.008%
4/22/2025	Perfromance Wealth Partners LLC	2,921	$1.23M	0.0%	-19.4%	0.004%
4/22/2025	Cabot Wealth Management Inc.	5,874	$2.47M	0.3%	+4.6%	0.007%
4/21/2025	Alta Capital Management LLC	20,890	$8.77M	0.6%	-0.2%	0.026%
4/21/2025	Riverbridge Partners LLC	102,492	$43.04M	0.7%	-0.9%	0.126%
4/21/2025	Retirement Systems of Alabama	17,597	$7.39M	0.0%	-0.7%	0.022%
4/21/2025	Means Investment CO. Inc.	2,121	$0.89M	0.1%	-36.4%	0.003%
4/21/2025	Blue Trust Inc.	155	$65K	0.0%	-39.2%	0.000%
4/21/2025	Silver Oak Securities Incorporated	479	$0.20M	0.0%	-24.1%	0.001%
4/21/2025	Envestnet Portfolio Solutions Inc.	16,649	$6.99M	0.0%	-10.1%	0.021%
4/21/2025	Bigelow Investment Advisors LLC	1,420	$0.60M	0.3%	+1.9%	0.002%
4/21/2025	State of Alaska Department of Revenue	9,587	$4.03M	0.0%	+2.6%	0.012%
4/18/2025	Clarius Group LLC	781	$0.33M	0.0%	+9.7%	0.001%
4/18/2025	Birch Hill Investment Advisors LLC	1,910	$0.80M	0.0%	+4.4%	0.002%
4/18/2025	CENTRAL TRUST Co	179	$75K	0.0%	-28.7%	0.000%
4/18/2025	Wendell David Associates Inc.	13,172	$5.53M	0.6%	-6.5%	0.016%
4/18/2025	PKO Investment Management Joint Stock Co	3,300	$1.39M	0.2%	+17.9%	0.004%
4/18/2025	Cardinal Capital Management	14,089	$5.92M	0.9%	+1.0%	0.017%
4/17/2025	Chicago Capital LLC	87,299	$36.66M	1.0%	+1.3%	0.108%
4/17/2025	Schaper Benz & Wise Investment Counsel Inc. WI	49,834	$20.93M	1.7%	+12.0%	0.061%
4/17/2025	WD Rutherford LLC	1,050	$0.42M	0.2%	-56.0%	0.001%
4/17/2025	Conestoga Capital Advisors LLC	1,694	$0.71M	0.0%	+4.3%	0.002%
4/17/2025	Grimes & Company Inc.	4,502	$1.89M	0.1%	+0.6%	0.006%
4/17/2025	QRG Capital Management Inc.	2,059	$0.87M	0.0%	-1.4%	0.003%
4/17/2025	Sagespring Wealth Partners LLC	545	$0.23M	0.0%	N/A	0.001%
4/17/2025	Western Pacific Wealth Management LP	303	$0.13M	0.1%	+50.0%	0.000%
4/17/2025	Janney Montgomery Scott LLC	43,786	$18.39M	0.1%	+9.3%	0.054%
4/17/2025	1900 Wealth Management LLC	850	$0.36M	0.0%	+9.7%	0.001%
4/17/2025	Citadel Investment Advisory Inc.	3,635	$1.53M	0.7%	-0.7%	0.004%

Data available starting January 2016

See Full Table

IDEXX Laboratories, Inc. develops, manufactures, and distributes products primarily for the companion animal veterinary, livestock and poultry, dairy, and water testing markets in Africa, the Asia Pacific, Canada, Europe, Latin America, and internationally. The company operates through three segments: Companion Animal Group; Water Quality Products; and Livestock, Poultry and Dairy. It also provides point-of-care veterinary diagnostic products, including instruments, consumables, and rapid assay test kits; veterinary reference laboratory diagnostic and consulting services; practice management and diagnostic imaging systems and services for veterinarians; and health monitoring, biological materials testing, and laboratory diagnostic instruments, and services for biomedical research community. In addition, the company offers diagnostic and health-monitoring products for livestock, poultry, and dairy; products that test water for various microbiological contaminants; point-of-care electrolytes and blood gas analyzers; in-clinic chemistry, blood and urine chemistry, hematology, immunoassay, urinalysis, and coagulation analyzers; and SNAP rapid assays test kits. Further, it provides Colilert, Colilert-18, and Colisure tests, which detect the presence of total coliforms and E. coli in water; Enterolert, Pseudalert, Filta-Max and Filta-Max xpress, Legiolert, and Quanti-Tray products; and veterinary software and services for independent veterinary clinics and corporate groups. Additionally, the company offers human medical point-of-care products and laboratory diagnostics services. The company markets its products through marketing, customer service, sales, and technical service groups, as well as through independent distributors and other resellers. IDEXX Laboratories, Inc. was incorporated in 1983 and is headquartered in Westbrook, Maine.

Today's Range

Now: $436.97

$429.11

$439.01

50 Day Range

MA: $419.27

$361.04

$463.66

52 Week Range

Now: $436.97

$356.14

$548.88

Volume

718,305 shs

Average Volume

635,381 shs

Market Capitalization

$35.41 billion

P/E Ratio

40.95

Dividend Yield

N/A

Beta

1.5

Who are the company insiders with the largest holdings of IDEXX Laboratories?: IDEXX Laboratories' top insider investors include:
Jonathan W Ayers (Director)
Jonathan Jay Mazelsky (CEO)
Brian P Mckeon (CFO)
James F Polewaczyk (EVP)
George Fennell (EVP)
George Fennell (SVP)
Michael Lane (EVP)
M Anne Szostak (Director)
Sophie V Vandebroek (Director)
Bruce L Claflin (Director)
Learn More about top insider investors at IDEXX Laboratories.
Who are the major institutional investors of IDEXX Laboratories?: IDEXX Laboratories' top institutional shareholders include:
Principal Financial Group Inc. — 1.39%
GAMMA Investing LLC — 1.13%
Bank of New York Mellon Corp — 0.70%
Vontobel Holding Ltd. — 0.56%
Bessemer Group Inc. — 0.42%
Seilern Investment Management Ltd — 0.33%
Learn More about top institutional investors of IDEXX Laboratories stock.
Which institutional investors are selling IDEXX Laboratories stock?: During the previous quarter, IDXX stock was sold by these institutional investors:
Assenagon Asset Management S.A.
Robeco Institutional Asset Management B.V.
KBC Group NV
Bank of New York Mellon Corp
Bourne Lent Asset Management Inc.
Seilern Investment Management Ltd
New York State Teachers Retirement System
Mn Services Vermogensbeheer B.V.
During the previous year, company insiders that have sold IDEXX Laboratories company stock include:
Jonathan W Ayers (Director)
Jonathan Jay Mazelsky (CEO)
Brian P Mckeon (CFO)
James F Polewaczyk (EVP)
Learn More investors selling IDEXX Laboratories stock.
Which institutional investors are buying IDEXX Laboratories stock?: In the last quarter, IDXX stock was purchased by institutional investors including:
GAMMA Investing LLC
Principal Financial Group Inc.
Bessemer Group Inc.
SG Americas Securities LLC
Vantage Investment Partners LLC
Vontobel Holding Ltd.
Teacher Retirement System of Texas
Franklin Street Advisors Inc. NC