CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in PBYI — Puma Biotechnology, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in PBYI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$740,696
-$5,267 QoQ
Shares Held
115,915
-7.5% QoQ
Ownership
0.228%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 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, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $5,925,726,276 across 288 Biotechnology names. PBYI ranks #200 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
1,920,871 | $857,745,736 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
804,508 | $621,595,061 | |
| 3 | MRNA |
Moderna, Inc.
|
4,734,356 | $240,505,284 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
673,356 | $222,793,299 | |
| 5 | INSM |
INSMED Inc
|
1,069,390 | $174,866,652 | |
| 6 | RVMD |
Revolution Medicines, Inc.
|
1,735,476 | $168,775,041 | |
| 7 | INCY |
Incyte Corp
|
1,729,102 | $162,743,080 | |
| 8 | BBIO |
BridgeBio Pharma, Inc.
|
1,976,094 | $146,744,740 |
All Filings in PBYI
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $740,696 | 115,915 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $745,963 | 125,372 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $665,725 | 125,372 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $437,129 | 127,443 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $350,031 | 118,254 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $358,881 | 117,666 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $300,048 | 117,666 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $411,542 | 126,240 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $103,100 | 19,453 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $84,231 | 19,453 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $51,161 | 19,453 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $68,669 | 19,453 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $60,109 | 19,453 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $82,286 | 19,453 | Shares | Sole | 2023-02-13 | |
| 2022-06-30 | $82,137 | 28,820 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $215,982 | 74,994 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $245,182 | 80,652 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $565,370 | 80,652 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $2,567,416 | 279,675 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $2,604,532 | 267,956 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $3,365,033 | 327,976 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $3,251,452 | 322,245 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $3,363,643 | 322,497 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $2,614,391 | 309,762 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||