TWO SIGMA SECURITIES, LLC
Broker-DealerPosition in IDXX — Idexx Laboratories Inc /De
CIK 1450144
NEW YORK, NY
Position in IDXX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,387,695
+$830,863 QoQ
Shares Held
2,636
+166.0% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#563
of 1,260 holders
Holding Since
Mar 2021
21 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IDXX Over Time
Shares Held
Position Value (USD)
Derivatives in IDXX
reported options exposure · as of Dec 31, 2024CallValue
$413,440
CallShares
1,000
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026TWO SIGMA SECURITIES, LLC holds $7,817,568 across 11 Diagnostics & Research names. IDXX ranks #2 (17.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | A |
Agilent Technologies, Inc.
|
13,308 | $1,767,701 | |
| 2 | IDXX |
Idexx Laboratories Inc /De
This page
|
2,636 | $1,387,695 | |
| 3 | MEDP |
Medpace Holdings, Inc.
|
1,877 | $994,040 | |
| 4 | GH |
Guardant Health, Inc.
|
6,432 | $964,992 | |
| 5 | DHR |
Danaher Corp /De/
|
4,083 | $777,729 | |
| 6 | BLLN |
BillionToOne, Inc.
|
5,992 | $718,920 | |
| 7 | ILMN |
Illumina, Inc.
|
2,059 | $362,033 | |
| 8 | TWST |
Twist Bioscience Corp
|
3,134 | $322,425 |
All Filings in IDXX
Export CSV
36 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,387,695 | 2,636 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $556,832 | 991 | Shares | Sole | 2026-05-15 | |
| 2025-09-30 | $414,639 | 649 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $299,277 | 558 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $604,308 | 1,439 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $413,440 | 1,000 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $404,176 | 800 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $222,802 | 441 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $1,111,484 | 2,200 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $487,200 | 1,000 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $499,867 | 1,026 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $1,315,440 | 2,700 | Call | Sole | 2024-08-14 | |
| 2024-03-31 | $3,185,587 | 5,900 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $325,577 | 603 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $666,060 | 1,200 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $1,665,150 | 3,000 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $3,585,614 | 8,200 | Call | Sole | 2023-11-14 | |
| 2023-09-30 | $601,683 | 1,376 | Shares | Sole | 2023-11-14 | |
| 2023-09-30 | $393,543 | 900 | Put | Sole | 2023-11-14 | |
| 2023-06-30 | $753,345 | 1,500 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $753,345 | 1,500 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $504,080 | 1,008 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $300,048 | 600 | Call | Sole | 2023-05-15 | |
| 2022-12-31 | $1,060,696 | 2,600 | Put | Sole | 2023-02-14 | |
| 2022-12-31 | $849,372 | 2,082 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $619,020 | 1,900 | Call | Sole | 2022-11-14 | |
| 2022-09-30 | $521,280 | 1,600 | Put | Sole | 2022-11-14 | |
| 2022-09-30 | $820,690 | 2,519 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $350,730 | 1,000 | Put | Sole | 2022-08-15 | |
| 2022-06-30 | $500,842 | 1,428 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,094,120 | 2,000 | Put | Sole | 2022-05-16 | |
| 2022-03-31 | $533,930 | 976 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $1,468,365 | 2,230 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $200,873 | 323 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $431,980 | 684 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $945,836 | 1,933 | Shares | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||