Citadel Advisors
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Citadel Advisors’s ARK 21Shares Bitcoin ETF ARKB Stock Holding History

Citadel Advisors’s Portfolio ARKB Stock Details ARKB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$985K Buy
50,600
+3,200
+7% +$76.2K ﹤0.01% 8231
2026
Q1 		$1.07M Sell
47,400
-33,500
-41% -$849K ﹤0.01% 7511
2025
Q4 		$2.35M Sell
80,900
-65,100
-45% -$2.16M ﹤0.01% 5616
2025
Q3 		$5.55M Sell
146,000
-78,500
-35% -$2.99M ﹤0.01% 4183
2025
Q2 		$8.03M Buy
224,500
+165,100
+278% +$5.41M ﹤0.01% 3352
2025
Q1 		$1.63M Buy
59,400
+3,600
+6% +$112K ﹤0.01% 5930
2024
Q4 		$1.73M Buy
+55,800
New +$1.54M ﹤0.01% 5929

Other funds holding ARKB

AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
SSA
Schonfeld Strategic Advisors New York $27.9B AUM 51.18% 1-Year Est. Return
GD
Galaxy Digital New York $1.7B AUM
ISS
Intesa Sanpaolo SpA. Turin, Italy $2.92B AUM
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
KC
Kaleidoscope Capital Boston, Massachusetts $271M AUM 24.36% 1-Year Est. Return
TI
Tidal Investments Milwaukee, Wisconsin $57.8B AUM 72.54% 1-Year Est. Return
CWP
Cyndeo Wealth Partners St. Petersburg, Florida $2.12B AUM 24.61% 1-Year Est. Return

Citadel Advisors's ARKB Position: Q2 2026 in Review

Citadel Advisors opened a new position in ARK 21Shares Bitcoin ETF (ARKB) in Q2 2026: 105,943 shares worth $2.06M. The stake represents ﹤0.01% of the portfolio and ranks #6476 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in ARKB as recently as Q4 2025.

Citadel Advisors first reported a position in ARKB in Q1 2024 and has held it in 8 quarters since. The position peaked at $10.3M in Q1 2024. 125 funds tracked by Wall St. Rank hold ARKB as of Q2 2026.

  • Citadel Advisors held 105,943 shares of ARK 21Shares Bitcoin ETF worth $2.06M as of Q2 2026.
  • ARK 21Shares Bitcoin ETF was a new Citadel Advisors position in Q2 2026.
  • ARK 21Shares Bitcoin ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #6476 holding.
  • Citadel Advisors first reported a position in ARK 21Shares Bitcoin ETF in Q1 2024 and has held it in 8 quarters since.
  • Citadel Advisors's ARK 21Shares Bitcoin ETF position peaked at $10.3M in Q1 2024.
  • 125 funds tracked by Wall St. Rank held ARK 21Shares Bitcoin ETF as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.