Jane Street
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Jane Street’s ARK 21Shares Bitcoin ETF ARKB Stock Holding History

Jane Street’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
Q1 		$1.79M Buy
79,600
+39,600
+99% +$1M ﹤0.01% 5312
2025
Q4 		$1.16M Sell
40,000
-79,200
-66% -$2.63M ﹤0.01% 5828
2025
Q3 		$4.53M Sell
119,200
-44,700
-27% -$1.7M ﹤0.01% 3567
2025
Q2 		$5.87M Buy
163,900
+85,600
+109% +$2.81M ﹤0.01% 2791
2025
Q1 		$2.15M Buy
78,300
+48,900
+166% +$1.51M ﹤0.01% 4239
2024
Q4 		$914K Buy
+29,400
New +$812K ﹤0.01% 5563

Other funds holding ARKB

AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
SSA
Schonfeld Strategic Advisors New York $14.2B AUM 37.17% 1-Year Est. Return
GD
Galaxy Digital New York $1.16B AUM
ISS
Intesa Sanpaolo SpA. Turin, Italy $1.69B AUM
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
KC
Kaleidoscope Capital Boston, Massachusetts $260M AUM 4.04% 1-Year Est. Return
TI
Tidal Investments Milwaukee, Wisconsin $47.4B AUM 59.58% 1-Year Est. Return
CWP
Cyndeo Wealth Partners St. Petersburg, Florida $1.9B AUM 24.89% 1-Year Est. Return

Jane Street's ARKB Position: Q1 2026 in Review

Jane Street reduced its ARK 21Shares Bitcoin ETF (ARKB) stake by 1.8% in Q1 2026, selling an estimated $810K and leaving 1,744,090 shares worth $39.2M. The position accounts for 0.01% of the portfolio, ranked #1221.

Jane Street first reported a position in ARKB in Q1 2024 and has held it in 9 quarters since. The position peaked at $412M in Q1 2025. 146 funds tracked by Wall St. Rank hold ARKB as of Q1 2026.

  • Jane Street held 1,744,090 shares of ARK 21Shares Bitcoin ETF worth $39.2M as of Q1 2026.
  • Jane Street sold 31,941 ARK 21Shares Bitcoin ETF shares in Q1 2026, an estimated $810K.
  • ARK 21Shares Bitcoin ETF made up 0.01% of Jane Street's portfolio in Q1 2026, its #1221 holding.
  • Jane Street first reported a position in ARK 21Shares Bitcoin ETF in Q1 2024 and has held it in 9 quarters since.
  • Jane Street's ARK 21Shares Bitcoin ETF position peaked at $412M in Q1 2025.
  • 146 funds tracked by Wall St. Rank held ARK 21Shares Bitcoin ETF as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.