Position in ONC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,427,110,097
-$50,369,404 QoQ
Shares Held
5,007,931
+0.7% QoQ
Ownership
4.43%
of shares outstanding
% of Portfolio
0.84%
of 13F equity value
Holder Rank
#2
of 282 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 98%
Shared 0%
None 2%
Common Shares in ONC Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026PRIMECAP MANAGEMENT CO/CA/ holds $3,557,107,452 across 15 Biotechnology names. ONC ranks #1 (40.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ONC |
BeOne Medicines Ltd.
This page
|
5,007,931 | $1,427,110,097 | |
| 2 | BMRN |
Biomarin Pharmaceutical Inc
|
14,190,183 | $811,962,271 | |
| 3 | RYTM |
Rhythm Pharmaceuticals, Inc.
|
3,168,853 | $351,837,748 | |
| 4 | BNTX |
BioNTech SE
|
3,772,031 | $350,987,484 | |
| 5 | XNCR |
Xencor Inc
|
10,181,322 | $163,919,284 | |
| 6 | IMCR |
Immunocore Holdings plc
|
3,638,241 | $115,514,151 | |
| 7 | IMNM |
Immunome Inc.
|
4,581,431 | $97,080,522 | |
| 8 | BBIO |
BridgeBio Pharma, Inc.
|
1,015,980 | $75,670,190 |
All Filings in ONC
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,427,110,097 | 5,007,931 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $1,477,479,501 | 4,975,181 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $1,513,150,313 | 4,980,581 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $1,730,913,062 | 5,080,461 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $1,231,719,697 | 5,088,279 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $1,375,956,523 | 5,055,504 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $941,818,557 | 5,098,904 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $1,116,777,623 | 4,974,289 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $711,393,851 | 4,986,289 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $782,237,601 | 5,001,839 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $899,750,930 | 4,988,639 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $900,921,883 | 5,008,739 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $894,111,916 | 5,014,649 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $1,087,547,999 | 5,045,924 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,110,290,990 | 5,048,154 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $638,369,868 | 4,734,979 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $652,490,020 | 4,031,449 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $699,480,434 | 3,708,804 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $1,007,184,171 | 3,717,507 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,383,518,961 | 3,811,347 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $1,324,013,292 | 3,857,960 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $1,353,627,079 | 3,888,839 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $869,928,589 | 3,366,727 | Shares | Sole | 2021-02-08 | |
| 2020-09-30 | $965,957,888 | 3,372,287 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $330,867,514 | 1,756,197 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $209,289,585 | 1,700,021 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||