ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Position in HALO — Halozyme Therapeutics, Inc.
CIK 1164508
BOSTON, MA
Position in HALO
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$123,969,969
-$92,904,752 QoQ
Shares Held
1,918,149
-40.5% QoQ
Ownership
1.62%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
16 quarters on record
Voting authority
Sole 97.60508698750724.ToString("F0")%
Shared 0.ToString("F0")%
None 2.394913012492773.ToString("F0")%
Common Shares in HALO Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $1,767,735,657 across 48 Biotechnology names. HALO ranks #6 (7.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
638,950 | $285,316,733 | |
| 2 | INCY |
Incyte Corp
|
2,830,799 | $266,434,801 | |
| 3 | EXEL |
Exelixis, Inc.
|
4,834,625 | $207,357,066 | |
| 4 | GMAB |
Genmab A/S
|
4,975,324 | $133,487,942 | |
| 5 | REGN |
Regeneron Pharmaceuticals, Inc.
|
171,571 | $132,562,617 | |
| 6 | HALO |
Halozyme Therapeutics, Inc.
This page
|
1,918,149 | $123,969,969 | |
| 7 | RPRX |
Royalty Pharma plc
|
2,010,398 | $96,438,792 | |
| 8 | IONS |
Ionis Pharmaceuticals Inc
|
737,859 | $55,405,832 |
All Filings in HALO
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $123,969,969 | 1,918,149 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $216,874,721 | 3,222,507 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $241,337,371 | 3,290,665 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $132,192,235 | 2,541,181 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $71,180,501 | 1,115,507 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $47,469,927 | 992,887 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $23,549,222 | 411,412 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $5,379,937 | 102,749 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $280,651 | 6,899 | Shares | Defined | 2024-05-15 | |
| 2023-09-30 | $3,866,260 | 101,211 | Shares | Defined | 2023-11-14 | |
| 2022-09-30 | $10,739,657 | 271,615 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $7,004,844 | 159,201 | Shares | Defined | 2022-08-15 | |
| 2021-09-30 | $16,928,575 | 416,140 | Shares | Defined | 2021-11-12 | |
| 2020-09-30 | $1,666,152 | 63,400 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $334,696 | 12,484 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $1,872,705 | 104,097 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||