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MILLENNIUM MANAGEMENT LLC

Position in ARDX — Ardelyx, Inc.

CIK 1273087 NEW YORK, NY

Position in ARDX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$70,893,942
-$35,981,854 QoQ
Shares Held
13,900,773
-22.1% QoQ
Ownership
5.58%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#3
of 250 holders
Holding Since
Mar 2020
25 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
$1,530,000
CallShares
300,000
PutValue
$365,670
PutShares
71,700

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

MILLENNIUM MANAGEMENT LLC holds $4,631,421,099 across 322 Biotechnology names. ARDX ranks #14 (1.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ARDX

Export CSV
33 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $70,893,942 13,900,773
2026-06-30 $1,530,000 300,000
2026-06-30 $365,670 71,700
2026-03-31 $106,875,796 17,842,370
2026-03-31 $1,207,584 201,600
2025-12-31 $541,607 92,900
2025-12-31 $69,432,449 11,909,511
2025-09-30 $165,300 30,000
2025-09-30 $42,107,348 7,641,987
2025-06-30 $204,624 52,200
2025-06-30 $45,719,857 11,663,229
2025-03-31 $31,744,436 6,465,262
2024-12-31 $15,024,843 2,963,480
2024-09-30 $27,641,853 4,011,880
2024-06-30 $23,734,896 3,203,090
2024-03-31 $9,629,393 1,319,095
2023-09-30 $13,079,831 3,205,841
2023-06-30 $23,649,419 6,976,230
2023-03-31 $52,783,917 11,019,607
2023-03-31 $479,000 100,000
2022-12-31 $715,350 251,000
2022-12-31 $29,592,487 10,383,329
2022-09-30 $1,128,165 948,038
2022-06-30 $912,673 1,546,904
2022-03-31 $876,212 818,890
2021-12-31 $195,241 177,492
2021-09-30 $1,197,028 906,840
2021-06-30 $7,976,161 1,052,264
2021-03-31 $4,674,865 706,173
2020-12-31 $4,089,402 632,056
2020-09-30 $1,236,627 235,548
2020-06-30 $2,434,919 351,867
2020-03-31 $520,444 91,547