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As of the latest SEC filings, ARDELYX, INC. (ARDX) is held by 157 institutional funds. The largest fund shareholder is State Street(R) SPDR(R) S&P(R) Biotech ETF (XBI), holding an estimated $45,910,043.52 in market value, representing 0.62% of its portfolio.

Funds holding ARDELYX, INC. (ARDX)

Source: SEC Form N-PORT institutional portfolio disclosures

Ticker:
ARDX
CIK:
0001437402
Showing top 25 of 157 institutional funds
Fund Type Manager Weight Market Value Shares
Report Date
Filing Date
XBI
State Street(R) SPDR(R) S&P(R) Biotech ETF
ETF State Street (SPDR) 0.62% $45,910,043.52 7,664,448 Mar 31, 2026 May 28, 2026
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
ETF Vanguard 0.00% $44,355,153.33 7,404,867 Mar 31, 2026 May 28, 2026
DCCIX
Nomura Small Cap Core Fund
MF Independent / Boutique 0.76% $43,735,961.30 6,677,246 Feb 27, 2026 Apr 23, 2026
IWM
iShares Russell 2000 ETF
ETF BlackRock / iShares 0.05% $35,085,538.48 5,857,352 Mar 31, 2026 May 28, 2026
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
ETF Vanguard 0.02% $16,189,149.04 2,702,696 Mar 31, 2026 May 28, 2026
JAGLX
Janus Henderson Global Life Sciences Fund
MF Independent / Boutique 0.30% $15,548,967.79 2,595,821 Mar 31, 2026 May 29, 2026
FSSNX
Fidelity Small Cap Index Fund
MF Fidelity 0.05% $15,000,511.17 2,369,749 Apr 30, 2026 Jun 26, 2026
VSEQX
VANGUARD STRATEGIC EQUITY FUND
MF Vanguard 0.12% $12,076,097.57 2,016,043 Mar 31, 2026 May 28, 2026
IWO
iShares Russell 2000 Growth ETF
ETF BlackRock / iShares 0.10% $11,737,770.39 1,959,561 Mar 31, 2026 May 28, 2026
TCSEX
Nuveen Quant Small Cap Equity Fund
MF TIAA / Nuveen 0.26% $10,285,553.70 1,624,890 Apr 30, 2026 Jun 24, 2026
VEXPX
VANGUARD EXPLORER FUND
MF Vanguard 0.04% $9,545,760.27 1,508,019 Apr 30, 2026 Jun 26, 2026
FSMAX
Fidelity Extended Market Index Fund
MF Fidelity 0.02% $8,303,323.65 1,267,683 Feb 28, 2026 Apr 24, 2026
VTWO
VANGUARD RUSSELL 2000 INDEX FUND
ETF Vanguard 0.05% $7,776,264.80 1,187,216 Feb 28, 2026 Apr 28, 2026
SCHA
Schwab U.S. Small-Cap ETF
ETF Charles Schwab 0.04% $7,747,975.35 1,182,897 Feb 28, 2026 Apr 24, 2026
TSMEX
Nuveen Quant Small/Mid Cap Equity Fund
MF TIAA / Nuveen 0.23% $5,833,031.70 921,490 Apr 30, 2026 Jun 24, 2026
BDSKX
BlackRock Advantage Small Cap Core Fund
MF BlackRock / iShares 0.12% $5,379,515.00 821,300 Feb 27, 2026 Apr 24, 2026
FYC
First Trust Small Cap Growth AlphaDEX Fund
ETF First Trust 0.47% $4,936,115.01 779,797 Apr 30, 2026 Jun 23, 2026
VHCIX
VANGUARD HEALTH CARE INDEX FUND
ETF Vanguard 0.02% $4,753,852.45 725,779 Feb 28, 2026 Apr 28, 2026
VSTCX
VANGUARD STRATEGIC SMALL-CAP EQUITY FUND
MF Vanguard 0.15% $3,676,170.82 613,718 Mar 31, 2026 May 28, 2026
SWSSX
Schwab Small-Cap Index Fund
MF Charles Schwab 0.05% $3,331,187.82 526,254 Apr 30, 2026 Jun 25, 2026
FSKAX
Fidelity Total Market Index Fund
MF Fidelity 0.00% $2,948,240.15 450,113 Feb 28, 2026 Apr 24, 2026
LABU
Direxion Daily S&P Biotech Bull 3X Shares
ETF Direxion 0.54% $2,778,813.03 438,991 Apr 30, 2026 Jun 29, 2026
-
Master Small Cap Index Series
ETF Independent / Boutique 0.05% $2,401,432.93 400,907 Mar 31, 2026 May 28, 2026
FCFMX
Fidelity Series Total Market Index Fund
MF Fidelity 0.00% $2,357,351.55 359,901 Feb 28, 2026 Apr 24, 2026
FYX
First Trust Small Cap Core AlphaDEX Fund
ETF First Trust 0.18% $2,195,047.77 346,769 Apr 30, 2026 Jun 23, 2026
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