Position in ARDX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$82,633,770
+$71,487,003 QoQ
Shares Held
16,202,700
+770.7% QoQ
Ownership
6.50%
of shares outstanding
% of Portfolio
0.76%
of 13F equity value
Holder Rank
#2
of 250 holders
Holding Since
Sep 2023
8 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ARDX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Rubric Capital Management LP holds $1,431,610,576 across 20 Biotechnology names. ARDX ranks #6 (5.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARQT |
Arcutis Biotherapeutics, Inc.
|
8,271,577 | $216,880,748 | |
| 2 | ROIV |
Roivant Sciences Ltd.
|
6,000,000 | $212,340,000 | |
| 3 | ZYME |
Zymeworks Inc.
|
7,000,000 | $182,980,000 | |
| 4 | NRIX |
Nurix Therapeutics, Inc.
|
7,227,778 | $175,345,894 | |
| 5 | MGTX |
MeiraGTx Holdings plc
|
9,100,000 | $122,941,000 | |
| 6 | ARDX |
Ardelyx, Inc.
This page
|
16,202,700 | $82,633,770 | |
| 7 | ADMA |
Adma Biologics, Inc.
|
9,339,414 | $78,170,895 | |
| 8 | MNKD |
Mannkind Corp
|
18,000,000 | $76,680,000 |
All Filings in ARDX
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8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $82,633,770 | 16,202,700 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $11,146,767 | 1,860,896 | Shares | Sole | 2026-05-15 | |
| 2024-12-31 | $8,651,878 | 1,706,485 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $21,084,715 | 3,060,191 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $13,460,894 | 1,816,585 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $13,261,070 | 1,816,585 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $24,879,068 | 4,012,753 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $10,200,000 | 2,500,000 | Shares | Sole | 2023-11-15 | |
| No filing history on record for this holder in this stock. | ||||||