MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Position in IDXX — Idexx Laboratories Inc /De
CIK 912938
Boston, MA
Position in IDXX
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$177,402,907
+$171,943,432 QoQ
Shares Held
336,986
+2452.0% QoQ
Ownership
0.428%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#43
of 1,286 holders
Holding Since
Mar 2020
21 quarters on record
Voting authority
Sole 83%
Shared 14%
None 3%
Common Shares in IDXX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $7,261,067,923 across 19 Diagnostics & Research names. IDXX ranks #8 (2.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WAT |
Waters Corp /De/
|
4,625,035 | $1,734,573,121 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
|
2,965,714 | $1,486,890,367 | |
| 3 | A |
Agilent Technologies, Inc.
|
10,010,867 | $1,329,743,461 | |
| 4 | DHR |
Danaher Corp /De/
|
3,878,641 | $738,803,535 | |
| 5 | NTRA |
Natera, Inc.
|
1,971,391 | $535,134,085 | |
| 6 | ICLR |
Icon PLC
|
2,105,171 | $365,689,252 | |
| 7 | ILMN |
Illumina, Inc.
|
1,744,209 | $306,684,265 | |
| 8 | IDXX |
Idexx Laboratories Inc /De
This page
|
336,986 | $177,402,907 |
All Filings in IDXX
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21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $177,402,907 | 336,986 | Shares | Sole | 2026-08-03 | |
| 2024-12-31 | $5,459,475 | 13,205 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $205,162,766 | 406,086 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $190,283,265 | 390,565 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $187,405,381 | 347,092 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $192,637,870 | 347,064 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $150,925,924 | 345,155 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $166,167,814 | 330,860 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $161,153,777 | 322,256 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $137,653,860 | 337,420 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $108,964,133 | 334,451 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $116,420,962 | 331,939 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $149,515,871 | 273,308 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $179,393,474 | 272,444 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $175,252,661 | 281,802 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $201,140,462 | 318,487 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $148,198,297 | 302,872 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $141,432,216 | 282,938 | Shares | Sole | 2021-05-12 | |
| 2020-09-30 | $94,439,172 | 240,236 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $75,505,609 | 228,694 | Shares | Sole | 2020-11-20 | |
| 2020-03-31 | $66,183,116 | 273,213 | Shares | Sole | 2020-11-20 | |
| No filing history on record for this holder in this stock. | ||||||