Position in CPRX
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$42,378,546
+$13,638,325 QoQ
Shares Held
1,711,573
+39.0% QoQ
Ownership
1.40%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
17 quarters on record
Voting authority
Sole 91%
Shared 0%
None 9%
Common Shares in CPRX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Boston Partners holds $301,190,357 across 5 Biotechnology names. CPRX ranks #3 (14.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HALO |
Halozyme Therapeutics, Inc.
|
2,683,683 | $173,446,430 | |
| 2 | PTCT |
Ptc Therapeutics, Inc.
|
647,482 | $44,112,948 | |
| 3 | CPRX |
Catalyst Pharmaceuticals, Inc.
This page
|
1,711,573 | $42,378,546 | |
| 4 | INVA |
Innoviva, Inc.
|
1,718,867 | $40,049,601 | |
| 5 | HRMY |
Harmony Biosciences Holdings, Inc.
|
42,943 | $1,202,832 |
All Filings in CPRX
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17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $42,378,546 | 1,711,573 | Shares | Defined | 2026-05-11 | |
| 2025-12-31 | $28,740,221 | 1,231,372 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $25,433,861 | 1,291,059 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $27,835,065 | 1,282,722 | Shares | Other | 2025-08-12 | |
| 2025-03-31 | $30,926,630 | 1,275,325 | Shares | Other | 2025-05-13 | |
| 2024-12-31 | $26,961,284 | 1,291,868 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $25,352,306 | 1,275,267 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $21,784,824 | 1,406,380 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $24,020,463 | 1,506,930 | Shares | Defined | 2024-05-28 | |
| 2023-12-31 | $25,915,302 | 1,541,660 | Shares | Other | 2024-02-07 | |
| 2023-09-30 | $1,691,893 | 144,730 | Shares | Defined | 2023-11-08 | |
| 2023-06-30 | $1,945,171 | 144,730 | Shares | Defined | 2023-08-10 | |
| 2023-03-31 | $2,399,623 | 144,730 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $2,691,978 | 144,730 | Shares | Defined | 2023-02-08 | |
| 2022-09-30 | $1,813,892 | 141,379 | Shares | Defined | 2022-11-09 | |
| 2022-06-30 | $971,291 | 138,558 | Shares | Defined | 2022-08-10 | |
| 2022-03-31 | $627,934 | 75,746 | Shares | Defined | 2022-05-10 | |
| No filing history on record for this holder in this stock. | ||||||