Ardelyx Inc (ARDX) Institutional Holdings & 13F Data (Q2 2026)

ARDX ranks #2487 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

ARDX is a disclosed holding of Israel Englander (Millennium Management), one of the tracked superinvestors on AlphaSMO — it makes up 0.0% of that fund's own 13F portfolio.

250 institutions disclose a position in ARDX, but none treat it as a major bet — even Krensavage Asset Management, LLC, its most concentrated holder, allocates just 1.0% of its own portfolio to it.

California State Teachers Retirement System has added to its ARDX position for two straight quarters, increasing it by $294.4M to reach $295.6M today.

Marshall Wace, LLP has trimmed its ARDX position for two straight quarters, cutting it by $30.0M while still holding $288.1K.

ARDX is up 1.1% today, and institutions have been net buyers of $128.8M this quarter — today's price move and the underlying institutional flow are pointing the same direction.

ARDX reported a net loss of $55.7M over the trailing twelve months.

• Not yet profitable — net loss of $55.7M over the trailing twelve months
• Revenue grew 16.8% year over year
• Net income improved year over year, from -$56.4M to -$55.7M
• Operating cash flow was negative, using $42.5M in cash
• Current ratio of 4.31x — enough short-term assets to cover short-term liabilities
• Liabilities run 2.00x equity — a highly leveraged balance sheet worth noting