Position in ARGX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$157,668,275
+$293,735 QoQ
Shares Held
215,910
+15.4% QoQ
Ownership
0.347%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 0.ToString("F0")%
None 100.ToString("F0")%
Common Shares in ARGX Over Time
Shares Held
Position Value (USD)
Derivatives in ARGX
reported options exposure · as of Sep 30, 2025CallValue
$0
CallShares
0
PutValue
$2,950,240
PutShares
4,000
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, 2026AMERIPRISE FINANCIAL INC holds $4,230,069,783 across 189 Biotechnology names. ARGX ranks #5 (3.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
2,633,481 | $1,175,954,602 | |
| 2 | INSM |
INSMED Inc
|
3,057,718 | $499,998,043 | |
| 3 | JAZZ |
Jazz Pharmaceuticals plc
|
1,608,476 | $304,082,386 | |
| 4 | REGN |
Regeneron Pharmaceuticals, Inc.
|
319,677 | $246,995,233 | |
| 5 | ARGX |
Argenx SE
This page
|
215,910 | $157,668,275 | |
| 6 | RVMD |
Revolution Medicines, Inc.
|
1,579,793 | $153,634,868 | |
| 7 | ASND |
Ascendis Pharma A/S
|
476,466 | $108,982,067 | |
| 8 | BBIO |
BridgeBio Pharma, Inc.
|
1,248,521 | $92,715,166 |
All Filings in ARGX
Export CSV
28 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $157,668,275 | 215,910 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $157,374,540 | 187,139 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $2,950,240 | 4,000 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $122,182,712 | 165,658 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $61,292,905 | 111,195 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $1,267,806 | 2,300 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $40,765,292 | 68,876 | Shares | Defined | 2025-05-14 | |
| 2025-03-31 | $2,426,646 | 4,100 | Put | Defined | 2025-05-14 | |
| 2024-12-31 | $4,312,995 | 7,013 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $3,455,217 | 6,374 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $739,668 | 1,720 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $620,107 | 1,575 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $509,775 | 1,340 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $669,599 | 1,362 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $531,590 | 1,364 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $500,374 | 1,343 | Shares | Defined | 2023-05-22 | |
| 2022-12-31 | $10,210,225 | 26,952 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $13,120,043 | 37,162 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $44,095,946 | 116,385 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $96,645,350 | 306,509 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $126,583,177 | 361,470 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $110,196,176 | 364,888 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $110,948,507 | 368,514 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $102,515,853 | 372,257 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $126,937,771 | 431,629 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $141,165,665 | 537,733 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $99,655,263 | 442,460 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $55,791,342 | 423,528 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||