ADAGE CAPITAL PARTNERS GP, L.L.C.
Position in IDXX — Idexx Laboratories Inc /De
CIK 1165408
Boston, MA
Position in IDXX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$37,009,258
-$1,368,390 QoQ
Shares Held
70,301
+2.9% QoQ
Ownership
0.089%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#136
of 1,287 holders
Holding Since
Mar 2020
25 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, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $618,295,595 across 13 Diagnostics & Research names. IDXX ranks #7 (6.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
406,154 | $203,629,369 | |
| 2 | DHR |
Danaher Corp /De/
|
452,595 | $86,210,295 | |
| 3 | GH |
Guardant Health, Inc.
|
371,763 | $55,775,602 | |
| 4 | WAT |
Waters Corp /De/
|
144,556 | $54,214,282 | |
| 5 | CRL |
Charles River Laboratories International, Inc.
|
213,480 | $48,415,129 | |
| 6 | A |
Agilent Technologies, Inc.
|
321,166 | $42,660,479 | |
| 7 | IDXX |
Idexx Laboratories Inc /De
This page
|
70,301 | $37,009,258 | |
| 8 | MTD |
Mettler Toledo International Inc/
|
21,776 | $27,819,057 |
All Filings in IDXX
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $37,009,258 | 70,301 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $38,377,648 | 68,301 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $35,211,356 | 52,047 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $22,789,206 | 35,670 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $31,751,864 | 59,201 | Shares | Sole | 2025-08-14 | |
| 2024-12-31 | $11,976,116 | 28,967 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $17,149,692 | 33,945 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $25,762,161 | 52,878 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $30,650,206 | 56,767 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $39,242,590 | 70,701 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $47,555,736 | 108,756 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $41,534,923 | 82,701 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $41,457,132 | 82,901 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $34,350,639 | 84,201 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $27,628,165 | 84,801 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $25,428,275 | 72,501 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $48,415,357 | 88,501 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $99,033,042 | 150,401 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $56,966,661 | 91,601 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $58,600,892 | 92,789 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $46,038,688 | 94,089 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $47,432,164 | 94,889 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $37,423,285 | 95,198 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $32,454,067 | 98,298 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $17,715,011 | 73,130 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||