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Citadel Investment Advisory, Inc.

Position in IDXX — Idexx Laboratories Inc /De

CIK 1811907 CHESTERLAND, OH

Position in IDXX

as of Jun 30, 2026 · filed Jul 23, 2026
Position Value
$1,835,169
-$126,388 QoQ
Shares Held
3,486
-0.1% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.93%
of 13F equity value
Holder Rank
#527
of 1,286 holders
Holding Since
Dec 2020
23 quarters on record

Common Shares in IDXX Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

Citadel Investment Advisory, Inc. holds $4,835,143 across 3 Diagnostics & Research names. IDXX ranks #2 (38.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 IDXX
Idexx Laboratories Inc /De
This page
3,486 $1,835,169

All Filings in IDXX

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,835,169 3,486
2026-03-31 $1,961,557 3,491
2025-12-31 $2,490,983 3,682
2025-09-30 $2,352,392 3,682
2025-06-30 $1,974,803 3,682
2025-03-31 $1,526,518 3,635
2024-12-31 $1,513,190 3,660
2024-09-30 $1,861,735 3,685
2024-06-30 $1,800,204 3,695
2024-03-31 $1,995,041 3,695
2023-12-31 $2,056,460 3,705
2023-09-30 $1,620,085 3,705
2023-06-30 $1,860,762 3,705
2023-03-31 $1,852,796 3,705
2022-12-31 $1,556,367 3,815
2022-09-30 $1,288,539 3,955
2022-06-30 $1,387,137 3,955
2022-03-31 $2,163,622 3,955
2021-12-31 $2,604,209 3,955
2021-09-30 $2,534,242 4,075
2021-06-30 $2,573,566 4,075
2021-03-31 $2,018,403 4,125
2020-12-31 $2,061,963 4,125