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WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in IDXX — Idexx Laboratories Inc /De

CIK 1644956 CHICAGO, IL

Position in IDXX

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$156,960,191
-$40,612,132 QoQ
Shares Held
298,154
-15.2% QoQ
Ownership
0.378%
of shares outstanding
% of Portfolio
0.48%
of 13F equity value
Holder Rank
#46
of 1,286 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 89% Shared 0% None 11%

Common Shares in IDXX Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $929,458,125 across 8 Diagnostics & Research names. IDXX ranks #4 (16.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IDXX
Idexx Laboratories Inc /De
This page
298,154 $156,960,191

All Filings in IDXX

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $156,960,191 298,154
2026-03-31 $197,572,323 351,621
2025-12-31 $298,568,925 441,324
2025-09-30 $293,262,648 459,019
2025-06-30 $367,440,097 685,088
2025-03-31 $267,554,764 637,111
2024-12-31 $174,526,667 422,133
2024-09-30 $26,605,895 52,662
2024-06-30 $32,701,351 67,121
2024-03-31 $37,270,288 69,028
2023-12-31 $37,926,011 68,329
2023-09-30 $29,356,121 67,135
2023-06-30 $37,687,841 75,041
2023-03-31 $37,666,025 75,320
2022-12-31 $31,698,084 77,699
2022-09-30 $35,071,066 107,646
2022-06-30 $38,791,439 110,602
2022-03-31 $63,693,648 116,429
2021-12-31 $81,641,138 123,988
2021-09-30 $75,739,335 121,787
2021-06-30 $77,795,592 123,182
2021-03-31 $46,600,905 95,238
2020-12-31 $54,706,272 109,441
2020-09-30 $50,704,900 128,984
2020-06-30 $47,604,119 144,185
2020-03-31 $40,429,856 166,900