Position in PBYI
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$13,046,840
+$999,144 QoQ
Shares Held
2,041,759
+0.8% QoQ
Ownership
4.01%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 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, 2026ACADIAN ASSET MANAGEMENT LLC holds $658,704,928 across 179 Biotechnology names. PBYI ranks #8 (2.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INCY |
Incyte Corp
|
1,900,824 | $178,905,554 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
151,191 | $116,816,214 | |
| 3 | LEGN |
Legend Biotech Corp
|
1,527,336 | $27,629,508 | |
| 4 | TBPH |
Theravance Biopharma, Inc.
|
1,276,576 | $20,718,828 | |
| 5 | RIGL |
Rigel Pharmaceuticals Inc
|
666,426 | $18,020,159 | |
| 6 | IMCR |
Immunocore Holdings plc
|
501,091 | $15,107,893 | |
| 7 | PRTA |
Prothena Corp Public Ltd Co
|
1,547,593 | $15,042,603 | |
| 8 | PBYI |
Puma Biotechnology, Inc.
This page
|
2,041,759 | $13,046,840 |
All Filings in PBYI
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $13,046,840 | 2,041,759 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $12,047,696 | 2,024,823 | Shares | Defined | 2026-02-10 | |
| 2025-09-30 | $10,903,049 | 2,053,305 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $6,887,940 | 2,008,146 | Shares | Defined | 2025-08-07 | |
| 2025-03-31 | $5,944,112 | 2,008,146 | Shares | Defined | 2025-05-21 | |
| 2024-12-31 | $6,014,990 | 1,972,128 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $5,020,947 | 1,968,999 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $6,360,938 | 1,951,208 | Shares | Defined | 2024-08-06 | |
| 2024-03-31 | $10,369,518 | 1,956,513 | Shares | Defined | 2024-05-10 | |
| 2023-12-31 | $8,301,796 | 1,917,274 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $4,886,540 | 1,858,000 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $6,615,654 | 1,874,123 | Shares | Defined | 2023-08-07 | |
| 2023-03-31 | $5,793,314 | 1,874,859 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $7,669,159 | 1,813,040 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $4,358,292 | 1,838,942 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $5,155,159 | 1,808,828 | Shares | Defined | 2022-08-09 | |
| 2022-03-31 | $4,872,669 | 1,691,899 | Shares | Defined | 2022-05-12 | |
| 2021-12-31 | $5,308,694 | 1,746,281 | Shares | Defined | 2022-02-10 | |
| 2021-09-30 | $9,109,824 | 1,299,547 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $11,268,257 | 1,227,479 | Shares | Defined | 2021-08-11 | |
| 2021-03-31 | $11,814,436 | 1,215,477 | Shares | Defined | 2021-05-11 | |
| 2020-12-31 | $11,527,438 | 1,123,532 | Shares | Defined | 2021-02-11 | |
| 2020-09-30 | $13,587,365 | 1,346,617 | Shares | Defined | 2020-11-09 | |
| 2020-06-30 | $13,214,090 | 1,266,931 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $7,387,236 | 875,265 | Shares | Defined | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||