Rafferty Asset Management, LLC
Position in IDXX — Idexx Laboratories Inc /De
CIK 1389426
New York, NY
Position in IDXX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$17,943,180
+$3,390,791 QoQ
Shares Held
34,084
+31.6% QoQ
Ownership
0.043%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#215
of 1,287 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IDXX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Rafferty Asset Management, LLC holds $85,587,160 across 17 Diagnostics & Research names. IDXX ranks #2 (21.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
40,905 | $20,508,130 | |
| 2 | IDXX |
Idexx Laboratories Inc /De
This page
|
34,084 | $17,943,180 | |
| 3 | DHR |
Danaher Corp /De/
|
69,337 | $13,207,311 | |
| 4 | A |
Agilent Technologies, Inc.
|
31,106 | $4,131,809 | |
| 5 | WAT |
Waters Corp /De/
|
10,809 | $4,053,807 | |
| 6 | IQV |
Iqvia Holdings Inc.
|
18,371 | $3,549,644 | |
| 7 | NTRA |
Natera, Inc.
|
12,749 | $3,460,716 | |
| 8 | MTD |
Mettler Toledo International Inc/
|
2,223 | $2,839,904 |
All Filings in IDXX
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $17,943,180 | 34,084 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $14,552,389 | 25,899 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $17,665,551 | 26,112 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $17,595,669 | 27,541 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $16,617,958 | 30,984 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $15,850,592 | 37,744 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $16,909,696 | 40,900 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $16,182,196 | 32,030 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $16,920,456 | 34,730 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $17,698,905 | 32,780 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $16,294,602 | 29,357 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $12,305,652 | 28,142 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $11,772,271 | 23,440 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $9,680,048 | 19,357 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $7,359,598 | 18,040 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $7,852,431 | 24,102 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $7,615,751 | 21,714 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $8,597,047 | 15,715 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $6,275,123 | 9,530 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $5,645,608 | 9,078 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $5,161,658 | 8,173 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $4,522,203 | 9,242 | Shares | Sole | 2021-05-10 | |
| 2020-12-31 | $4,731,269 | 9,465 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $3,781,718 | 9,620 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $3,655,201 | 11,071 | Shares | Sole | 2020-08-07 | |
| 2020-03-31 | $5,735,516 | 23,677 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||