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PARNASSUS INVESTMENTS, LLC

Position in IDXX — Idexx Laboratories Inc /De

CIK 948669 San Francisco, CA

Position in IDXX

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$18,378,860
-$4,387,051 QoQ
Shares Held
32,709
-2.8% QoQ
Ownership
0.041%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in IDXX Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Mar 31, 2026

PARNASSUS INVESTMENTS, LLC holds $1,610,890,284 across 6 Diagnostics & Research names. IDXX ranks #4 (1.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IDXX
Idexx Laboratories Inc /De
This page
32,709 $18,378,860

All Filings in IDXX

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $18,378,860 32,709
2025-12-31 $22,765,911 33,651
2025-09-30 $21,004,786 32,877
2025-06-30 $17,826,332 33,237
2025-03-31 $15,392,427 36,653
2024-12-31 $19,988,583 48,347
2024-09-30 $24,747,191 48,983
2024-06-30 $23,864,517 48,983
2024-03-31 $26,447,391 48,983
2023-12-31 $27,188,014 48,983
2023-09-30 $21,418,796 48,983
2023-06-30 $24,600,732 48,983
2023-03-31 $24,495,418 48,983
2022-12-31 $25,454,664 62,395
2022-09-30 $20,328,291 62,395
2022-06-30 $21,883,798 62,395
2022-03-31 $34,133,808 62,395
2021-12-31 $41,084,611 62,395
2021-09-30 $38,803,450 62,395
2021-06-30 $45,009,305 71,268
2021-03-31 $34,872,145 71,268
2020-12-31 $35,624,735 71,268
2020-09-30 $28,016,163 71,268
2020-06-30 $24,068,994 72,901
2020-03-31 $17,659,538 72,901