Idexx Laboratories Inc /DE

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Idexx Laboratories Inc /DE
TickerIDXX
CIK #0000874716
CUSIP45168D104
SectorLife Sciences - In Vitro & In Vivo Diagnostic Substances
AddressOne Idexx Drive, Westbrook, ME 04092-2041
Source [EDGAR]
CIK Filing 2011 - 2026
[0000874716] 10-K
[0000874716] 10-Q
[0000874716] 3
[0000874716] 4
[0000874716] 5
[0000874716] 8-K
[0000874716] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Capital Management LLC Idexx Laboratories Inc /DE [2026-04-30] 0.0
Fundsmith LLP Idexx Laboratories Inc /DE [2023-02-14] 5.37
Fundsmith LLP Idexx Laboratories Inc /DE [2023-02-14] 5.37
Fundsmith LLP Idexx Laboratories Inc /DE [2020-02-14] 5.4
Fundsmith LLP Idexx Laboratories Inc /DE [2018-02-14] 5.05
Vanguard Group Inc Idexx Laboratories Inc /DE [2014-02-11] 5.34
AllianceBernstein LP Idexx Laboratories Inc /DE [2013-02-13] 5.3
BlackRock Inc Idexx Laboratories Inc /DE [2013-01-30] 5.31
Brown Advisory Inc Idexx Laboratories Inc /DE [2012-02-22] 5.06
Form 3/4/5 Filer 2011 - 2026
Fennell George
Idexx Laboratories Inc /DE
Claflin Bruce L
Britt Irene Chang
Essig Stuart
Hooley Joseph L
Vandebroek Sophie V
Kingsley Lawrence D
Peacock Karen
Samad Sam
Junius Daniel M
Szostak M Anne
Underberg Sharon E
Hunt Nimrata
Mazelsky Jonathan Jay
Erickson Michael G
Smith Martin Alexander
Schreck Michael
Lane Michael
Johnson Michael Perkins
Emerson Andrew
McKeon Brian P
Ayers Jonathan W
COLLINS Asha
Polewaczyk James F
Turner Kathy V
Twigge Giovani
Henderson Rebecca M
Studer Jacqueline
End William T
Craig Thomas
Johnson Barry C
Williams Michael J PhD
Powers Johnny D
Murray Robert J
Fiarman Jeffrey
Blanche Willard R Jr
Chadbourne Jeffery D
Naqui Ali
Deady Conan R
Raines Merilee
Brown William E III
Meyaard Daniel V
Vumbacco Joseph V
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Underberg Sharon E
Common Stock
2026-03-03 Option exercise 197 $505.53 99,589
Hunt Nimrata
Common Stock
2026-03-03 Sell 1,758 $634.57 1,115,574
Underberg Sharon E
Incentive Stock Option (right-to-buy) · derivative
2026-03-03 Option exercise 197
Mazelsky Jonathan Jay
Incentive Stock Option (right-to-buy) · derivative
2026-02-27 Option exercise 197 $0.00
Mazelsky Jonathan Jay
Common Stock
2026-02-27 Option exercise 197 $505.53 99,589
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 2,859 $659.75 1,886,225
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 1,669 $652.49 1,089,006
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 1,343 $656.85 882,150
Hunt Nimrata
Common Stock
2026-02-26 Sell 2,693 $661.54 1,781,527
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 1,000 $662.16 662,160
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 1,171 $653.68 765,459
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 2,860 $657.84 1,881,422
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 2,589 $663.04 1,716,611
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 1,488 $655.85 975,905
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 1,095 $651.49 713,382
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 3,660 $658.92 2,411,647
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 1,281 $650.67 833,508
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 1,111 $654.63 727,294
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Sell 1,200 $661.10 793,320
Mazelsky Jonathan Jay
Common Stock
2026-02-26 Option exercise 23,326 $141.60 3,302,962
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 1,312 71,434,438
2025-12-31 1,389 72,185,311
2025-09-30 1,306 71,227,107
2025-06-30 1,233 73,123,553
2025-03-31 1,146 70,933,848
2024-12-31 1,126 70,212,416
2024-09-30 1,119 71,340,593
2024-06-30 1,112 73,516,493
2024-03-31 1,148 74,704,664
2023-12-31 1,159 73,727,228
2023-09-30 1,060 72,037,451
2023-06-30 1,072 71,536,467
Form 13F Holdings
Firm Period DFND Voting Shares
Congress Asset Management Co [2026-06-30] SOLE 157,300 190,193
Assenagon Asset Management SA [2026-06-30] SOLE 183,233 183,233
Seilern Investment Management Ltd [2026-06-30] SOLE 97,560 97,560
Mogy Joel R Investment Counsel Inc [2026-06-30] SOLE 85,445 85,445
Riverbridge Partners LLC [2026-06-30] SOLE 73,090 73,440
Manitou Investment Management Ltd [2026-06-30] SOLE 69,979 69,979
Beacon Investment Advisory Services Inc [2026-06-30] SOLE 35,948 55,153
Howland Capital Management LLC [2026-06-30] SOLE 40,557 46,776
Swedbank AB [2026-06-30] DFND 35,890 35,890
Envestnet Portfolio Solutions Inc [2026-06-30] SOLE 28,991 28,991
First Citizens Bank & Trust Co [2026-06-30] SOLE 26,732 26,903
Franklin Street Advisors Inc /NC [2026-06-30] DFND 26,014 26,215
Woodstock Corp [2026-06-30] SOLE 23,468 23,593
Czech National Bank [2026-06-30] SOLE 22,453 22,453
HM Payson & Co [2026-06-30] SOLE 11,223 19,642
Ninety One UK Ltd [2026-06-30] SOLE 18,599 18,599
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 17,423 17,423
Carderock Capital Management Inc [2026-06-30] SOLE 0 16,627
Bath Savings Trust Co [2026-06-30] SOLE 16,471 16,471
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 16,330 16,330
Jacobson & Schmitt Advisors LLC [2026-06-30] SOLE 0 15,764
ASR Vermogensbeheer NV [2026-06-30] DFND 14,497 14,497
Great Diamond Partners LLC [2026-06-30] SOLE 14,310 14,310
PensionDanmark Pensionsforsikringsaktieselskab [2026-06-30] SOLE 0 14,190
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 2,014 12,940
Haven Capital Group Inc [2026-06-30] SOLE 0 11,492
Blue Zone Wealth Advisors LLC [2026-06-30] SOLE 11,048 11,048
Yousif Capital Management LLC [2026-06-30] SOLE 4,621 10,465
Anderson Hoagland & Co [2026-06-30] SOLE 0 9,834
Louisiana State Employees Retirement System [2026-06-30] SOLE 9,300 9,300
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