Position in ARGX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$38,062,090
-$228,886 QoQ
Shares Held
52,122
+14.5% QoQ
Ownership
0.084%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
22 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ARGX Over Time
Shares Held
Position Value (USD)
Derivatives in ARGX
reported options exposure · as of Mar 31, 2026CallValue
$55,572,025
CallShares
76,100
PutValue
$4,235,450
PutShares
5,800
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. ARGX ranks #28 (0.9% 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.
|
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 ARGX
Export CSV
43 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,235,450 | 5,800 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $38,062,090 | 52,122 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $55,572,025 | 76,100 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $38,290,976 | 45,533 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $63,491,725 | 75,500 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $3,027,420 | 3,600 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $55,243,244 | 74,900 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $7,375,600 | 10,000 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $124,668,291 | 169,028 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $5,787,810 | 10,500 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $76,048,516 | 137,964 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $34,065,396 | 61,800 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $154,077,256 | 260,325 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $33,381,186 | 56,400 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $3,728,749 | 6,300 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $22,755,000 | 37,000 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $177,303,885 | 288,299 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $55,076,412 | 101,602 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $17,834,432 | 32,900 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $3,848,768 | 7,100 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $14,148,316 | 32,900 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $18,871,015 | 43,882 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $3,053,284 | 7,100 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $2,795,412 | 7,100 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $12,953,388 | 32,900 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $40,604,737 | 103,131 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $64,956,900 | 170,746 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $12,516,147 | 32,900 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $2,701,053 | 7,100 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $9,095,155 | 18,500 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $103,874,536 | 211,286 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $1,081,586 | 2,200 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $70,250,001 | 180,253 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $73,719,423 | 197,862 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $97,369,538 | 257,027 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $115,879,130 | 328,223 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $50,062,929 | 132,134 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $8,281,617 | 26,265 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $17,906,965 | 51,135 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $10,516,848 | 34,824 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $3,672,451 | 12,198 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $3,100,065 | 11,257 | Shares | Defined | 2021-05-17 | |
| 2020-06-30 | $279,735 | 1,242 | Shares | Defined | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||