Position in HALO
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$173,446,430
+$140,666,688 QoQ
Shares Held
2,683,683
+451.0% QoQ
Ownership
2.26%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2023
11 quarters on record
Voting authority
Sole 93.03624906518392.ToString("F0")%
Shared 0.ToString("F0")%
None 6.963750934816073.ToString("F0")%
Common Shares in HALO 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. HALO ranks #1 (57.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HALO |
Halozyme Therapeutics, Inc.
This page
|
2,683,683 | $173,446,430 | |
| 2 | PTCT |
Ptc Therapeutics, Inc.
|
647,482 | $44,112,948 | |
| 3 | CPRX |
Catalyst Pharmaceuticals, Inc.
|
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 HALO
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $173,446,430 | 2,683,683 | Shares | Other | 2026-05-11 | |
| 2025-12-31 | $32,779,742 | 487,069 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $32,621,850 | 444,803 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $23,376,018 | 449,366 | Shares | Other | 2025-08-12 | |
| 2025-03-31 | $26,565,696 | 416,325 | Shares | Other | 2025-05-13 | |
| 2024-12-31 | $19,505,714 | 407,984 | Shares | Other | 2025-02-11 | |
| 2024-09-30 | $32,738,244 | 571,947 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $38,178,134 | 729,147 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $25,643,369 | 630,368 | Shares | Defined | 2024-05-28 | |
| 2023-12-31 | $20,416,406 | 552,392 | Shares | Defined | 2024-02-07 | |
| 2023-09-30 | $3,186,453 | 83,415 | Shares | Defined | 2023-11-08 | |
| No filing history on record for this holder in this stock. | ||||||