Position in SRRK
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$55,489,448
+$5,767,923 QoQ
Shares Held
1,128,752
0.0% QoQ
Ownership
0.942%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
13 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in SRRK Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Capital World Investors holds $23,534,298,325 across 32 Biotechnology names. SRRK ranks #19 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
25,368,124 | $11,327,882,090 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
10,802,348 | $3,574,172,882 | |
| 3 | ARGX |
Argenx SE
|
2,256,216 | $1,647,601,734 | |
| 4 | IONS |
Ionis Pharmaceuticals Inc
|
21,186,369 | $1,590,884,448 | |
| 5 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,419,000 | $1,096,376,160 | |
| 6 | MRNA |
Moderna, Inc.
|
18,697,694 | $949,842,855 | |
| 7 | JAZZ |
Jazz Pharmaceuticals plc
|
2,673,376 | $505,401,732 | |
| 8 | ONC |
BeOne Medicines Ltd.
|
1,622,687 | $481,889,358 |
All Filings in SRRK
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $55,489,448 | 1,128,752 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $49,721,525 | 1,128,752 | Shares | Defined | 2026-02-11 | |
| 2025-09-30 | $42,034,724 | 1,128,752 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $39,980,395 | 1,128,752 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $36,289,376 | 1,128,752 | Shares | Defined | 2025-05-12 | |
| 2024-12-31 | $31,202,981 | 721,957 | Shares | Defined | 2025-02-13 | |
| 2022-06-30 | $2,607,750 | 475,000 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $6,122,750 | 475,000 | Shares | Defined | 2022-05-19 | |
| 2021-12-31 | $11,799,000 | 475,000 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $15,684,500 | 475,000 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $13,727,500 | 475,000 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $24,063,500 | 475,000 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $13,345,750 | 275,000 | Shares | Defined | 2021-02-12 | |
| No filing history on record for this holder in this stock. | ||||||