Position in A
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$176,318,010
+$24,268,007 QoQ
Shares Held
1,327,396
-0.5% QoQ
Ownership
0.470%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
#41
of 1,114 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 93%
Shared 0%
None 7%
Common Shares in A Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026PRIMECAP MANAGEMENT CO/CA/ holds $2,473,876,903 across 9 Diagnostics & Research names. A ranks #4 (7.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
1,982,271 | $993,831,388 | |
| 2 | ILMN |
Illumina, Inc.
|
3,514,649 | $617,980,733 | |
| 3 | DHR |
Danaher Corp /De/
|
1,889,070 | $359,830,053 | |
| 4 | A |
Agilent Technologies, Inc.
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|
1,327,396 | $176,318,010 | |
| 5 | GRAL |
GRAIL, Inc.
|
2,180,106 | $148,835,836 | |
| 6 | RVTY |
Revvity, Inc.
|
853,150 | $94,921,469 | |
| 7 | CRL |
Charles River Laboratories International, Inc.
|
266,870 | $60,523,447 | |
| 8 | WAT |
Waters Corp /De/
|
38,647 | $14,494,170 |
All Filings in A
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $176,318,010 | 1,327,396 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $152,050,003 | 1,334,006 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $181,984,916 | 1,337,436 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $181,320,815 | 1,412,706 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $180,691,719 | 1,531,156 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $179,822,942 | 1,537,211 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $240,423,058 | 1,789,661 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $282,979,123 | 1,905,840 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $253,630,298 | 1,956,571 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $290,222,023 | 1,994,516 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $282,076,715 | 2,028,891 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $234,464,287 | 2,096,801 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $257,877,447 | 2,144,511 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $318,655,261 | 2,303,421 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $363,103,427 | 2,426,351 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $306,516,403 | 2,521,731 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $303,333,947 | 2,553,961 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $344,375,724 | 2,602,401 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $430,197,839 | 2,694,631 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $444,571,871 | 2,822,141 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $423,141,747 | 2,862,741 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $377,823,336 | 2,971,711 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $377,643,744 | 3,187,136 | Shares | Sole | 2021-02-08 | |
| 2020-09-30 | $335,080,020 | 3,319,596 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $309,755,054 | 3,505,206 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $277,166,248 | 3,869,956 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||