Position in BBIO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$80,967,608
-$3,693,053 QoQ
Shares Held
1,090,326
-1.5% QoQ
Ownership
0.557%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
23 quarters on record
Voting authority
Sole 85%
Shared 15%
None 0%
Common Shares in BBIO Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026AMERICAN CENTURY COMPANIES INC holds $3,844,388,733 across 170 Biotechnology names. BBIO ranks #11 (2.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,802,363 | $596,347,845 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
562,097 | $434,298,626 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
813,285 | $363,164,283 | |
| 4 | ASND |
Ascendis Pharma A/S
|
1,397,119 | $319,563,028 | |
| 5 | INSM |
INSMED Inc
|
925,799 | $151,386,652 | |
| 6 | ARGX |
Argenx SE
|
173,700 | $126,844,425 | |
| 7 | IONS |
Ionis Pharmaceuticals Inc
|
1,663,803 | $124,934,967 | |
| 8 | CPRX |
Catalyst Pharmaceuticals, Inc.
|
4,138,416 | $102,467,180 |
All Filings in BBIO
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $80,967,608 | 1,090,326 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $84,660,661 | 1,106,820 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $55,917,876 | 1,076,586 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $47,071,986 | 1,090,134 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $35,520,260 | 1,027,488 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $27,871,576 | 1,015,728 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $23,597,499 | 926,846 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $27,780,272 | 1,096,734 | Shares | Defined | 2024-08-07 | |
| 2024-03-31 | $28,264,312 | 914,111 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $19,049,230 | 471,866 | Shares | Defined | 2024-02-13 | |
| 2023-06-30 | $191,350 | 11,125 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $179,810 | 10,845 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $83,591 | 10,970 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $3,344,074 | 336,426 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $3,026,981 | 333,368 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $3,415,799 | 336,532 | Shares | Defined | 2022-05-11 | |
| 2021-12-31 | $3,437,197 | 206,067 | Shares | Defined | 2022-02-07 | |
| 2021-09-30 | $12,158,827 | 259,416 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $15,838,871 | 259,824 | Shares | Defined | 2021-08-05 | |
| 2021-03-31 | $15,325,956 | 248,798 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $17,981,230 | 252,865 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $8,365,721 | 222,967 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $6,399,419 | 196,241 | Shares | Defined | 2020-08-13 | |
| No filing history on record for this holder in this stock. | ||||||