Optiver Holding’s GraniteShares 2x Short COIN Daily ETF CONI Stock Holding History

Optiver Holding’s Portfolio CONI Stock Details CONI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$215K	Sell	3,384 -14,220	-81%	-$719K	﹤0.01%	880
2026 Q1	$1.08M	Buy	17,604 +14,702	+507%	+$1.05M	﹤0.01%	551
2025 Q4	$198K	Sell	2,902 -2,868	-50%	-$136K	﹤0.01%	717
2025 Q3	$240K	Sell	5,770 -41,447	-88%	-$1.93M	﹤0.01%	601
2025 Q2	$2.28M	Buy	47,217 +46,952	+17,718%	+$8.42M	﹤0.01%	265
2025 Q1	$79.7K	Sell	265 -1,775	-87%	-$418K	﹤0.01%	459
2024 Q4	$482K	Buy	+2,040	New	+$606K	﹤0.01%	427

Other funds holding CONI

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Belvedere Trading Chicago, Illinois $87.6B AUM 131.08% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return

Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

Group One Trading Chicago, Illinois $71.1B AUM 128.96% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return

Optiver Holding's CONI Position: Q2 2026 in Review

Optiver Holding reduced its GraniteShares 2x Short COIN Daily ETF (CONI) stake by 81% in Q2 2026, selling an estimated $719K and leaving 3,384 shares worth $215K. The position accounts for ﹤0.01% of the portfolio, ranked #880.

Optiver Holding first reported a position in CONI in Q4 2024 and has held it in 7 quarters since. The position peaked at $2.28M in Q2 2025. 10 funds tracked by Wall St. Rank hold CONI as of Q2 2026.

Optiver Holding held 3,384 shares of GraniteShares 2x Short COIN Daily ETF worth $215K as of Q2 2026.
Optiver Holding sold 14,220 GraniteShares 2x Short COIN Daily ETF shares in Q2 2026, an estimated $719K.
GraniteShares 2x Short COIN Daily ETF made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #880 holding.
Optiver Holding first reported a position in GraniteShares 2x Short COIN Daily ETF in Q4 2024 and has held it in 7 quarters since.
Optiver Holding's GraniteShares 2x Short COIN Daily ETF position peaked at $2.28M in Q2 2025.
10 funds tracked by Wall St. Rank held GraniteShares 2x Short COIN Daily ETF as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.