Position in HALO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$120,774,597
+$9,765,537 QoQ
Shares Held
1,868,708
+13.3% QoQ
Ownership
1.58%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 99.93578450993948.ToString("F0")%
Shared 0.ToString("F0")%
None 0.06421549006051239.ToString("F0")%
Common Shares in HALO Over Time
Shares Held
Position Value (USD)
Derivatives in HALO
reported options exposure · as of Mar 31, 2026CallValue
$1,350,767
CallShares
20,900
PutValue
$633,374
PutShares
9,800
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Mar 31, 2026D. E. Shaw & Co., Inc. holds $4,371,472,260 across 180 Biotechnology names. HALO ranks #6 (2.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INSM |
INSMED Inc
|
5,625,825 | $919,934,903 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,059,062 | $350,411,843 | |
| 3 | BBIO |
BridgeBio Pharma, Inc.
|
2,545,486 | $189,027,789 | |
| 4 | PCVX |
Vaxcyte, Inc.
|
2,865,318 | $166,503,628 | |
| 5 | EXEL |
Exelixis, Inc.
|
3,603,063 | $154,535,371 | |
| 6 | HALO |
Halozyme Therapeutics, Inc.
This page
|
1,868,708 | $120,774,597 | |
| 7 | PTCT |
Ptc Therapeutics, Inc.
|
1,640,381 | $111,759,157 | |
| 8 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
248,960 | $111,170,598 |
All Filings in HALO
Export CSV
27 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,350,767 | 20,900 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $120,774,597 | 1,868,708 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $633,374 | 9,800 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $111,009,060 | 1,649,466 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $194,378,501 | 2,650,375 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $52,998,184 | 1,018,804 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $39,534,250 | 619,562 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $39,749,903 | 831,414 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $17,550,470 | 306,612 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $25,068,659 | 478,775 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $12,127,725 | 298,125 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $945,288 | 25,576 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $842,271 | 22,049 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $403,984 | 11,200 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,026,776 | 26,886 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $1,728,906 | 30,385 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $1,068,252 | 27,017 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $1,060,400 | 24,100 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $1,382,759 | 34,673 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $9,172,181 | 228,107 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $9,206,331 | 226,311 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $19,862,243 | 437,398 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $36,206,221 | 868,463 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $55,275,452 | 1,294,204 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $62,360,152 | 2,372,913 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $56,324,752 | 2,100,886 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $34,245,637 | 1,903,593 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||