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Equibles

CITADEL ADVISORS LLC

Position in ARDX — Ardelyx, Inc.

CIK 1423053 MIAMI, FL
Back to ARDX Full portfolio

Position in ARDX

as of Jun 30, 2026 · filed Sep 2, 2026
Position Value
$5,253,887
-$15,500,108 QoQ
Shares Held
1,030,174
-70.3% QoQ
Ownership
0.413%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#29
of 250 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ARDX Over Time

Shares Held

Position Value (USD)

Derivatives in ARDX

reported options exposure · as of Jun 30, 2026
CallValue
$442,680
CallShares
86,800
PutValue
$1,545,300
PutShares
303,000

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 Jun 30, 2026

CITADEL ADVISORS LLC holds $6,150,758,606 across 435 Biotechnology names. ARDX ranks #135 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ONC
BeOne Medicines Ltd.
 1,425,517 $406,229,578
2 BBIO
BridgeBio Pharma, Inc.
 3,760,028 $280,046,885
3 INSM
INSMED Inc
 2,556,973 $272,624,460
4 MDGL
Madrigal Pharmaceuticals, Inc.
 507,233 $272,358,759
5 VRTX
Vertex Pharmaceuticals Inc / Ma
 510,430 $253,545,893
6 JAZZ
Jazz Pharmaceuticals plc
 1,006,676 $242,578,715
7 MANE
Veradermics, Inc
 1,877,775 $230,853,658
8 ROIV
Roivant Sciences Ltd.
 5,576,261 $197,343,876

All Filings in ARDX

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,253,887 1,030,174
2026-06-30 $442,680 86,800
2026-06-30 $1,545,300 303,000
2026-03-31 $1,030,280 172,000
2026-03-31 $760,730 127,000
2026-03-31 $20,753,995 3,464,774
2025-12-31 $1,351,394 231,800
2025-12-31 $7,739,050 1,327,453
2025-12-31 $1,283,183 220,100
2025-09-30 $2,114,187 383,700
2025-09-30 $8,422,210 1,528,532
2025-09-30 $1,024,860 186,000
2025-06-30 $8,668,138 2,211,260
2025-06-30 $1,864,352 475,600
2025-06-30 $746,368 190,400
2025-03-31 $802,294 163,400
2025-03-31 $2,200,171 448,100
2025-03-31 $15,664,642 3,190,355
2024-12-31 $1,150,383 226,900
2024-12-31 $12,627,432 2,490,618
2024-12-31 $2,741,349 540,700
2024-09-30 $15,219,547 2,208,933
2024-09-30 $2,348,112 340,800
2024-09-30 $3,354,741 486,900
2024-06-30 $1,931,283 260,632
2024-06-30 $3,624,972 489,200
2024-06-30 $1,434,576 193,600
2024-03-31 $2,613,400 358,000
2024-03-31 $1,886,320 258,400
2024-03-31 $3,290,146 450,705
2023-12-31 $1,824,040 294,200
2023-12-31 $1,980,900 319,500
2023-12-31 $1,031,078 166,303
2023-09-30 $1,241,136 304,200
2023-09-30 $478,992 117,400
2023-09-30 $877,975 215,190
2023-06-30 $789,531 232,900
2023-06-30 $683,763 201,700
2023-06-30 $230,408 67,967
2023-03-31 $1,314,376 274,400
2023-03-31 $1,430,294 298,600
2023-03-31 $1,199,827 250,486
2022-12-31 $26,179 9,186
2022-12-31 $1,051,935 369,100
2022-12-31 $1,368,570 480,200
2022-09-30 $149,381 125,531
2022-09-30 $84,728 71,200
2022-09-30 $305,949 257,100
2022-06-30 $84,724 143,600
2022-06-30 $28,733 48,700