Caption Management’s Ardelyx ARDX Stock Holding History

Caption Management’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
2026 Q2	$663K	Buy	130,000 +25,800	+25%	+$157K	﹤0.01%	1248
2026 Q1	$624K	Sell	104,200 -10,800	-9%	-$71.4K	﹤0.01%	1154
2025 Q4	$670K	Buy	+115,000	New	+$641K	﹤0.01%	1179
2025 Q3	–	Sell	-130,500	Closed	-$512K	–	1649
2025 Q2	$512K	Buy	+130,500	New	+$538K	0.01%	1108
2025 Q1	–	Sell	-34,600	Closed	-$175K	–	1501
2024 Q4	$175K	Buy	+34,600	New	+$191K	﹤0.01%	1298
2024 Q1	–	Sell	-52,500	Closed	-$326K	–	1177
2023 Q4	$326K	Buy	+52,500	New	+$236K	﹤0.01%	1044
2021 Q1	–	Sell	-19,000	Closed	-$123K	–	1031
2020 Q4	$123K	Buy	+19,000	New	+$113K	﹤0.01%	864

Other funds holding ARDX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

NAMI

Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Caption Management's ARDX Position: Q2 2026 in Review

Caption Management increased its Ardelyx (ARDX) stake by 25% in Q2 2026, buying an estimated $157K and bringing the position to 130,000 shares worth $663K. The position accounts for ﹤0.01% of the portfolio, ranked #1248.

Caption Management first reported a position in ARDX in Q4 2020 and has held it in 7 quarters since. The position peaked at $670K in Q4 2025. 250 funds tracked by Wall St. Rank hold ARDX as of Q2 2026.

Caption Management held 130,000 shares of Ardelyx worth $663K as of Q2 2026.
Caption Management bought 25,800 Ardelyx shares in Q2 2026, an estimated $157K.
Ardelyx made up ﹤0.01% of Caption Management's portfolio in Q2 2026, its #1248 holding.
Caption Management first reported a position in Ardelyx in Q4 2020 and has held it in 7 quarters since.
Caption Management's Ardelyx position peaked at $670K in Q4 2025.
250 funds tracked by Wall St. Rank held Ardelyx as of Q2 2026.

Based on Caption Management's 13F filing for Q2 2026, filed 14 Aug 2026.