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, 2026Citadel Investment Advisory, Inc. holds $4,835,143 across 3 Diagnostics & Research names. IDXX ranks #2 (38.0% of the industry book) .
All Filings in IDXX
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23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,835,169 | 3,486 | Shares | Sole | 2026-07-23 | |
| 2026-03-31 | $1,961,557 | 3,491 | Shares | Sole | 2026-04-16 | |
| 2025-12-31 | $2,490,983 | 3,682 | Shares | Sole | 2026-01-21 | |
| 2025-09-30 | $2,352,392 | 3,682 | Shares | Sole | 2025-10-21 | |
| 2025-06-30 | $1,974,803 | 3,682 | Shares | Sole | 2025-08-05 | |
| 2025-03-31 | $1,526,518 | 3,635 | Shares | Sole | 2025-04-17 | |
| 2024-12-31 | $1,513,190 | 3,660 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $1,861,735 | 3,685 | Shares | Sole | 2024-10-16 | |
| 2024-06-30 | $1,800,204 | 3,695 | Shares | Sole | 2024-07-15 | |
| 2024-03-31 | $1,995,041 | 3,695 | Shares | Sole | 2024-04-17 | |
| 2023-12-31 | $2,056,460 | 3,705 | Shares | Sole | 2024-01-23 | |
| 2023-09-30 | $1,620,085 | 3,705 | Shares | Sole | 2023-10-31 | |
| 2023-06-30 | $1,860,762 | 3,705 | Shares | Sole | 2023-07-11 | |
| 2023-03-31 | $1,852,796 | 3,705 | Shares | Sole | 2023-05-01 | |
| 2022-12-31 | $1,556,367 | 3,815 | Shares | Sole | 2023-01-18 | |
| 2022-09-30 | $1,288,539 | 3,955 | Shares | Sole | 2022-10-20 | |
| 2022-06-30 | $1,387,137 | 3,955 | Shares | Sole | 2022-08-02 | |
| 2022-03-31 | $2,163,622 | 3,955 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $2,604,209 | 3,955 | Shares | Sole | 2022-01-27 | |
| 2021-09-30 | $2,534,242 | 4,075 | Shares | Sole | 2021-11-02 | |
| 2021-06-30 | $2,573,566 | 4,075 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $2,018,403 | 4,125 | Shares | Sole | 2021-04-20 | |
| 2020-12-31 | $2,061,963 | 4,125 | Shares | Sole | 2021-01-29 | |
| No filing history on record for this holder in this stock. | ||||||