Position in IDXX
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$928,241
-$121,732 QoQ
Shares Held
1,652
+6.4% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
7 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 Mar 31, 2026Magnetar Financial LLC holds $12,621,245 across 10 Diagnostics & Research names. IDXX ranks #5 (7.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
16,926 | $3,209,169 | |
| 2 | A |
Agilent Technologies, Inc.
|
24,144 | $2,751,932 | |
| 3 | NTRA |
Natera, Inc.
|
9,696 | $1,939,102 | |
| 4 | RDNT |
RadNet, Inc.
|
30,849 | $1,724,150 | |
| 5 | IDXX |
Idexx Laboratories Inc /De
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|
1,652 | $928,241 | |
| 6 | CSTL |
Castle Biosciences Inc
|
23,332 | $572,800 | |
| 7 | MEDP |
Medpace Holdings, Inc.
|
977 | $469,145 | |
| 8 | IQV |
Iqvia Holdings Inc.
|
2,550 | $434,876 |
All Filings in IDXX
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $928,241 | 1,652 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $1,049,973 | 1,552 | Shares | Sole | 2026-02-17 | |
| 2024-06-30 | $1,626,273 | 3,338 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $2,567,367 | 4,755 | Shares | Sole | 2024-05-15 | |
| 2023-09-30 | $2,074,846 | 4,745 | Shares | Sole | 2023-11-14 | |
| 2021-09-30 | $682,224 | 1,097 | Shares | Sole | 2022-01-14 | |
| 2020-09-30 | $1,042,920 | 2,653 | Shares | Sole | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||