Position in ARDX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$25,601,517
+$8,846,278 QoQ
Shares Held
4,274,043
+48.7% QoQ
Ownership
1.73%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
21 quarters on record
Voting authority
Sole 99%
Shared 0%
None 1%
Common Shares in ARDX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $5,506,832,621 across 316 Biotechnology names. ARDX ranks #38 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,992,577 | $659,283,951 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
812,236 | $627,566,023 | |
| 3 | MRNA |
Moderna, Inc.
|
9,086,404 | $461,589,323 | |
| 4 | IONS |
Ionis Pharmaceuticals Inc
|
5,857,629 | $439,849,361 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
3,120,631 | $231,738,058 | |
| 6 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
378,146 | $168,857,314 | |
| 7 | RVMD |
Revolution Medicines, Inc.
|
1,558,807 | $151,593,980 | |
| 8 | VKTX |
Viking Therapeutics, Inc.
|
4,432,142 | $144,221,900 |
All Filings in ARDX
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $25,601,517 | 4,274,043 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $16,755,239 | 2,873,969 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $13,724,572 | 2,490,848 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $7,924,134 | 2,021,463 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $4,959,777 | 1,010,138 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $5,788,809 | 1,141,777 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $6,782,247 | 984,361 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $14,892,795 | 2,009,824 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $18,701,840 | 2,561,896 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $2,909,616 | 469,293 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $1,728,859 | 423,740 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $3,119,718 | 920,271 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $13,629,394 | 2,845,385 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $6,673,027 | 2,341,413 | Shares | Sole | 2023-02-14 | |
| 2021-09-30 | $1,123,280 | 850,970 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $604,944 | 79,808 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $4,464,349 | 674,373 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $2,722,918 | 420,853 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $2,546,486 | 485,045 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $3,214,021 | 464,454 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $969,463 | 170,530 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||