Adage Capital Partners
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Adage Capital Partners’s Ardelyx ARDX Stock Holding History

Adage Capital Partners’s Portfolio ARDX Stock Details ARDX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-1,211,000
Closed -$5.95M – 852
2025
Q1 		$5.95M Buy
1,211,000
+561,000
+86% +$3.01M 0.01% 675
2024
Q4 		$3.3M Buy
+650,000
New +$3.59M 0.01% 754
2024
Q1 		– Sell
-2,600,000
Closed -$16.1M – 873
2023
Q4 		$16.1M Buy
2,600,000
+300,000
+13% +$1.35M 0.03% 489
2023
Q3 		$9.38M Buy
+2,300,000
New +$8.97M 0.02% 571
2023
Q2 		– Sell
-2,050,000
Closed -$9.82M – 869
2023
Q1 		$9.82M Buy
2,050,000
+400,000
+24% +$1.35M 0.02% 621
2022
Q4 		$4.7M Sell
1,650,000
-2,350,000
-59% -$3.98M 0.01% 756
2022
Q3 		$4.76M Buy
+4,000,000
New +$3.81M 0.01% 786
2021
Q3 		– Sell
-1,500,000
Closed -$11.4M – 1021
2021
Q2 		$11.4M Sell
1,500,000
-2,754,892
-65% -$20.4M 0.02% 655
2021
Q1 		$28.2M Sell
4,254,892
-745,108
-15% -$5.11M 0.06% 346
2020
Q4 		$32.4M Hold
5,000,000
– – 0.07% 304
2020
Q3 		$26.3M Hold
5,000,000
– – 0.07% 317
2020
Q2 		$34.6M Sell
5,000,000
-263,685
-5% -$1.83M 0.09% 249
2020
Q1 		$29.9M Sell
5,263,685
-434,657
-8% -$2.95M 0.09% 244
2019
Q4 		$42.8M Buy
5,698,342
+1,698,342
+42% +$10.3M 0.11% 232
2019
Q3 		$18.8M Hold
4,000,000
– – 0.05% 382
2019
Q2 		$10.8M Hold
4,000,000
– – 0.03% 522
2019
Q1 		$11.2M Hold
4,000,000
– – 0.03% 503
2018
Q4 		$7.16M Buy
4,000,000
+500,000
+14% +$1.47M 0.02% 557
2018
Q3 		$15.2M Buy
3,500,000
+500,000
+17% +$2.08M 0.03% 471
2018
Q2 		$11.1M Buy
+3,000,000
New +$13.9M 0.03% 539

Other funds holding ARDX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Macquarie Group
Macquarie Group Sydney, NSW 2000, Australia $16.8B AUM 27.39% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Adage Capital Partners's ARDX Position: Q2 2025 in Review

Adage Capital Partners sold out of Ardelyx (ARDX) in Q2 2025, closing a stake of 1,211,000 shares — an estimated $5.95M sold.

Adage Capital Partners first reported a position in ARDX in Q2 2018 and held it in 20 quarters. The position peaked at $42.8M in Q4 2019. 206 funds tracked by Wall St. Rank hold ARDX as of Q2 2025.

  • Adage Capital Partners reported no remaining Ardelyx position as of Q2 2025 after selling out during the quarter.
  • Adage Capital Partners sold 1,211,000 Ardelyx shares in Q2 2025, an estimated $5.95M.
  • Adage Capital Partners first reported a position in Ardelyx in Q2 2018 and held it in 20 quarters.
  • Adage Capital Partners's Ardelyx position peaked at $42.8M in Q4 2019.
  • 206 funds tracked by Wall St. Rank held Ardelyx as of Q2 2025.

Based on Adage Capital Partners's 13F filing for Q2 2025, filed 14 Aug 2025.