AMERICAN CENTURY COMPANIES INC
Position in PBYI — Puma Biotechnology, Inc.
CIK 748054
KANSAS CITY, MO
Position in PBYI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$12,245,450
+$2,427,135 QoQ
Shares Held
1,916,346
+16.1% QoQ
Ownership
3.76%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2023
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PBYI Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026AMERICAN CENTURY COMPANIES INC holds $3,667,502,132 across 170 Biotechnology names. PBYI ranks #42 (0.3% 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 | TECH |
BIO-TECHNE Corp
|
1,650,060 | $86,232,135 |
All Filings in PBYI
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $12,245,450 | 1,916,346 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $9,818,315 | 1,650,137 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $7,875,728 | 1,483,188 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $4,604,003 | 1,342,275 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $3,402,993 | 1,149,660 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $2,892,546 | 948,376 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $2,230,084 | 874,543 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $2,408,820 | 738,902 | Shares | Defined | 2024-08-07 | |
| 2024-03-31 | $1,972,919 | 372,249 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $264,355 | 61,052 | Shares | Defined | 2024-02-13 | |
| No filing history on record for this holder in this stock. | ||||||