ARDELYX, INC. - Common Stock (ARDX)

Historical Holders from Q2 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
ARDX on Nasdaq
Shares outstanding
242,527,947
Price per share
$5.83
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
161,733,917
Holdings value
$891,251,864
% of all portfolios
0%
Share change
-6,583,575
Value change
-$30,435,655
Average buys %
+0%
Average sells %
-0%
Number of holders
220
Price from insider filings
$6.98
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ARDELYX, INC. - Common Stock (ARDX) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 6.7% $58,034,569 16,031,649 The Vanguard Group 30 Jun 2025
JANUS HENDERSON GROUP PLC 5.7% -10% $76,170,752 -$6,798,497 13,824,093 -8.2% JANUS HENDERSON GROUP PLC 30 Sep 2025
STATE STREET CORP 4.9% $56,921,208 11,592,914 STATE STREET CORPORATION 31 Dec 2024
MILLENNIUM MANAGEMENT LLC 3.2% -38% $42,272,648 -$24,398,060 7,671,987 -37% Millennium Management LLC 30 Sep 2025
As of 30 Sep 2025, ARDELYX, INC. - Common Stock (ARDX) has 220 institutional shareholders filing 13F forms. They hold 161,733,917 shares of 242,527,947 outstanding shares (67%) .

Top 25 institutional shareholders own 56% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
BlackRock, Inc. 8.6% 20,823,580 +0.36% 0% $114,737,927
VANGUARD GROUP INC 7.6% 18,369,321 +15% 0% $101,214,959
JANUS HENDERSON GROUP PLC 5.7% 13,824,093 -8.2% 0.03% $76,136,786
MACQUARIE GROUP LTD 4.3% 10,455,588 -8.7% 0.07% $57,610,000
STATE STREET CORP 4% 9,718,690 -1.3% 0% $53,549,982
MARSHALL WACE, LLP 3.7% 8,943,042 -21% 0.05% $49,276,162
MILLENNIUM MANAGEMENT LLC 3.2% 7,641,987 -34% 0.03% $42,107,348
GEODE CAPITAL MANAGEMENT, LLC 2.4% 5,756,786 +1.6% 0% $31,724,251
Nuveen, LLC 2.1% 5,174,953 +48% 0.01% $28,513,991
D. E. Shaw & Co., Inc. 1.4% 3,313,050 +35% 0.01% $18,254,906
MORGAN STANLEY 1.2% 2,885,340 +23% 0% $15,898,224
BANK OF AMERICA CORP /DE/ 1.1% 2,654,197 -52% 0% $14,624,627
GOLDMAN SACHS GROUP INC 1.1% 2,584,877 -35% 0% $14,242,672
TWO SIGMA INVESTMENTS, LP 1% 2,490,848 +23% 0.02% $13,724,572
Rock Springs Capital Management LP 0.94% 2,286,273 0% 0.74% $12,597,364
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.9% 2,194,754 -0.1% 0% $12,093,095
JANE STREET GROUP, LLC 0.9% 2,193,725 +186% 0.01% $12,087,425
AQR CAPITAL MANAGEMENT LLC 0.88% 2,144,124 -7.3% 0.01% $11,814,122
NORTHERN TRUST CORP 0.87% 2,117,992 -0.15% 0% $11,670,136
JONES FINANCIAL COMPANIES LLLP 0.77% 1,873,903 +1.7% 0.01% $10,381,423
RENAISSANCE TECHNOLOGIES LLC 0.7% 1,690,093 +30% 0.01% $9,312,412
TWO SIGMA ADVISERS, LP 0.67% 1,614,600 +31% 0.02% $8,896,446
CITADEL ADVISORS LLC 0.63% 1,528,532 -31% 0.01% $8,422,211
ORACLE INVESTMENT MANAGEMENT INC 0.62% 1,503,826 +5.1% 5.8% $8,286,081
Eversept Partners, LP 0.59% 1,429,377 0.6% $7,875,867

Institutional Holders of ARDELYX, INC. - Common Stock (ARDX) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 327,293 $1,889,056 +$649,582 $5.83 7
2025 Q3 161,733,917 $891,251,864 -$30,435,655 $5.51 220
2025 Q2 167,710,260 $657,039,970 +$8,960,435 $3.92 203
2025 Q1 164,576,582 $808,416,143 +$58,328,390 $4.91 220
2024 Q4 150,830,668 $764,696,297 +$39,407,493 $5.07 210
2024 Q3 141,696,212 $975,853,561 -$20,751,561 $6.89 200
2024 Q2 143,779,040 $1,065,141,766 +$29,649,825 $7.41 192
2024 Q1 133,488,045 $974,385,232 +$39,113,766 $7.30 134
2023 Q4 515,971 $3,199,021 +$2,666,527 $6.20 2
2023 Q3 125,847,658 $513,504,304 +$3,074,468 $4.08 149
2023 Q2 125,420,355 $425,127,511 +$30,395,919 $3.39 143
2023 Q1 113,675,323 $544,693,864 +$164,750,731 $4.79 129
2022 Q4 78,402,704 $223,160,378 +$72,817,191 $2.85 96
2022 Q3 66,762,337 $79,496,654 +$36,001,545 $1.19 77
2022 Q2 37,939,582 $22,610,542 -$3,874,874 $0.5898 68
2022 Q1 33,636,904 $35,984,240 -$625,833 $1.07 80
2021 Q4 36,207,427 $39,825,167 -$10,903,501 $1.10 94
2021 Q3 48,678,774 $64,424,313 -$260,581,241 $1.32 97
2021 Q2 84,880,373 $643,203,955 +$1,428,900 $7.58 121
2021 Q1 84,585,494 $559,390,700 +$32,246,474 $6.62 121
2020 Q4 79,972,700 $517,427,662 +$9,508,644 $6.47 114
2020 Q3 77,443,411 $406,581,205 -$2,236,676 $5.25 106
2020 Q2 77,578,004 $536,819,818 +$8,849,041 $6.92 123
2020 Q1 76,578,840 $435,367,838 +$6,100,605 $5.68 96
2019 Q4 74,854,419 $561,693,462 +$190,455,776 $7.50 98
2019 Q3 48,497,715 $227,942,563 +$14,960,451 $4.70 72
2019 Q2 45,635,399 $122,754,737 +$472,127 $2.69 67
2019 Q1 46,045,418 $128,928,009 -$1,854,981 $2.80 70
2018 Q4 47,034,272 $84,189,187 -$5,220,138 $1.79 78
2018 Q3 46,852,724 $203,755,011 +$6,042,370 $4.35 81
2018 Q2 45,978,418 $168,730,025 +$34,235,083 $3.70 92
2018 Q1 35,213,963 $177,833,754 -$2,781,766 $5.05 75
2017 Q4 35,160,369 $232,051,055 -$2,738,894 $6.60 76
2017 Q3 36,166,771 $202,824,651 -$5,832,455 $5.60 80
2017 Q2 37,036,731 $188,806,355 -$43,319,536 $5.10 84
2017 Q1 38,584,867 $488,378,366 +$17,589,696 $12.65 77
2016 Q4 38,630,511 $548,562,881 -$1,015,267 $14.20 83
2016 Q3 38,571,395 $499,104,978 +$119,332,608 $12.94 73
2016 Q2 29,693,264 $259,217,119 -$1,190,300 $8.73 63
2016 Q1 29,871,501 $232,083,000 +$63,012,425 $7.77 65
2015 Q4 21,375,768 $387,371,681 +$11,601,969 $18.12 64
2015 Q3 20,113,876 $347,526,616 +$18,561,290 $17.28 52
2015 Q2 20,560,410 $326,788,904 +$114,417,135 $15.97 53
2015 Q1 11,798,627 $154,430,933 +$9,592,038 $13.09 47
2014 Q4 10,866,742 $205,269,616 +$11,035,384 $18.89 50
2014 Q3 10,368,074 $147,326,000 +$139,169,177 $14.21 32
2014 Q2 570,829 $9,115,000 +$9,114,998 $15.96 4