Position in IDXX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$220,094,556
-$49,382,899 QoQ
Shares Held
391,704
-1.7% QoQ
Ownership
0.497%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 89.67817535690214.ToString("F0")%
Shared 9.543430753834528.ToString("F0")%
None 0.7783938892633213.ToString("F0")%
Common Shares in IDXX Over Time
Shares Held
Position Value (USD)
Derivatives in IDXX
reported options exposure · as of Jun 30, 2023CallValue
$4,017,840
CallShares
8,000
PutValue
$4,017,840
PutShares
8,000
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 Mar 31, 2026ROYAL BANK OF CANADA holds $3,593,465,193 across 39 Diagnostics & Research names. IDXX ranks #3 (6.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
3,913,903 | $1,923,800,734 | |
| 2 | DHR |
Danaher Corp /De/
|
3,299,528 | $625,590,502 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
This page
|
391,704 | $220,094,556 | |
| 4 | LH |
Labcorp Holdings Inc.
|
820,442 | $218,902,126 | |
| 5 | A |
Agilent Technologies, Inc.
|
828,773 | $94,463,542 | |
| 6 | IQV |
Iqvia Holdings Inc.
|
401,428 | $68,459,527 | |
| 7 | WAT |
Waters Corp /De/
|
228,857 | $68,153,609 | |
| 8 | MEDP |
Medpace Holdings, Inc.
|
123,929 | $59,509,461 |
All Filings in IDXX
Export CSV
27 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $220,094,556 | 391,704 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $269,477,455 | 398,323 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $215,785,091 | 337,750 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $218,961,872 | 408,252 | Shares | Defined | 2025-11-21 | |
| 2025-03-31 | $142,651,972 | 339,688 | Shares | Defined | 2025-11-21 | |
| 2024-12-31 | $198,922,516 | 481,140 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $221,678,404 | 438,776 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $229,903,829 | 471,888 | Shares | Defined | 2024-11-06 | |
| 2024-03-31 | $154,479,365 | 286,110 | Shares | Defined | 2024-11-05 | |
| 2023-12-31 | $143,565,896 | 258,654 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $95,424,114 | 218,227 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $110,030,552 | 219,084 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $4,017,840 | 8,000 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $4,017,840 | 8,000 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $91,251,094 | 182,473 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $75,965,820 | 186,209 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $60,299,060 | 185,080 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $65,275,408 | 186,113 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $125,626,306 | 229,639 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $174,948,865 | 265,694 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $176,965,370 | 284,556 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $207,227,338 | 328,125 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $180,430,610 | 368,745 | Shares | Defined | 2021-07-20 | |
| 2020-12-31 | $215,100,053 | 430,312 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $136,919,030 | 348,297 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $107,890,671 | 326,783 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $84,378,486 | 348,326 | Shares | Defined | 2020-06-16 | |
| No filing history on record for this holder in this stock. | ||||||