Mariner’s ARK 21Shares Bitcoin ETF ARKB Stock Holding History

Mariner’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	$1.05M	Buy	46,624 +2,934	+7%	+$74.4K	﹤0.01%	1930
2025 Q4	$1.27M	Sell	43,690 -15,725	-26%	-$523K	﹤0.01%	1784
2025 Q3	$2.26M	Buy	59,415 +8,922	+18%	+$340K	﹤0.01%	1358
2025 Q2	$1.81M	Sell	50,493 -6,411	-11%	-$210K	﹤0.01%	1402
2025 Q1	$1.56M	Sell	56,904 -660	-1%	-$20.4K	﹤0.01%	1375
2024 Q4	$1.79M	Buy	57,564 +33	+0.1%	+$912	﹤0.01%	1278
2024 Q3	$1.22M	Buy	57,531 +10,128	+21%	+$206K	﹤0.01%	1464
2024 Q2	$948K	Buy	47,403 +3,840	+9%	+$83.9K	﹤0.01%	1538
2024 Q1	$1.03M	Buy	+43,563	New	+$795K	﹤0.01%	1477

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

Galaxy Digital New York $1.16B AUM

ISS

Intesa Sanpaolo SpA. Turin, Italy $1.69B AUM

HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Kaleidoscope Capital Boston, Massachusetts $260M AUM 4.04% 1-Year Est. Return

Tidal Investments Milwaukee, Wisconsin $47.4B AUM 59.58% 1-Year Est. Return

Mariner's ARKB Position: Q1 2026 in Review

Mariner increased its ARK 21Shares Bitcoin ETF (ARKB) stake by 6.7% in Q1 2026, buying an estimated $74.4K and bringing the position to 46,624 shares worth $1.05M. The position accounts for ﹤0.01% of the portfolio, ranked #1930.

Mariner first reported a position in ARKB in Q1 2024 and has held it in 9 quarters since. The position peaked at $2.26M in Q3 2025. 146 funds tracked by Wall St. Rank hold ARKB as of Q1 2026.

Mariner held 46,624 shares of ARK 21Shares Bitcoin ETF worth $1.05M as of Q1 2026.
Mariner bought 2,934 ARK 21Shares Bitcoin ETF shares in Q1 2026, an estimated $74.4K.
ARK 21Shares Bitcoin ETF made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1930 holding.
Mariner first reported a position in ARK 21Shares Bitcoin ETF in Q1 2024 and has held it in 9 quarters since.
Mariner's ARK 21Shares Bitcoin ETF position peaked at $2.26M in Q3 2025.
146 funds tracked by Wall St. Rank held ARK 21Shares Bitcoin ETF as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.