Position in IDXX
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$27,253,912
+$16,917,912 QoQ
Shares Held
48,504
+94.0% QoQ
Ownership
0.061%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
13 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, 2026RENAISSANCE TECHNOLOGIES LLC holds $772,811,905 across 28 Diagnostics & Research names. IDXX ranks #8 (3.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MEDP |
Medpace Holdings, Inc.
|
504,668 | $242,336,526 | |
| 2 | DHR |
Danaher Corp /De/
|
678,808 | $128,701,996 | |
| 3 | ILMN |
Illumina, Inc.
|
972,642 | $119,887,852 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
|
138,964 | $68,304,974 | |
| 5 | NTRA |
Natera, Inc.
|
197,500 | $39,498,025 | |
| 6 | A |
Agilent Technologies, Inc.
|
300,300 | $34,228,194 | |
| 7 | GH |
Guardant Health, Inc.
|
337,600 | $31,184,112 | |
| 8 | IDXX |
Idexx Laboratories Inc /De
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|
48,504 | $27,253,912 |
All Filings in IDXX
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13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $27,253,912 | 48,504 | Shares | Sole | 2026-05-14 | |
| 2024-12-31 | $10,336,000 | 25,000 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $18,036,354 | 35,700 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $10,038,268 | 20,604 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $18,251,793 | 33,804 | Shares | Sole | 2024-05-13 | |
| 2023-09-30 | $54,573,045 | 124,804 | Shares | Sole | 2023-11-14 | |
| 2022-09-30 | $18,897,703 | 58,004 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $76,285,177 | 217,504 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $14,114,148 | 25,800 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $4,806,758 | 7,300 | Shares | Sole | 2022-02-11 | |
| 2020-09-30 | $34,280,764 | 87,204 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $67,081,908 | 203,180 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $85,056,520 | 351,125 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||