Optiver Holding’s GraniteShares 2x Long ISRG Daily ETF ISUL Stock Holding History

Optiver Holding’s Portfolio ISUL Stock Details ISUL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$514K	Buy	30,215 +15,627	+107%	+$330K	﹤0.01%	757
2026 Q1	$351K	Sell	14,588 -8,295	-36%	-$246K	﹤0.01%	706
2025 Q4	$863K	Buy	+22,883	New	+$798K	﹤0.01%	511

Other funds holding ISUL

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

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

Optiver Holding's ISUL Position: Q2 2026 in Review

Optiver Holding increased its GraniteShares 2x Long ISRG Daily ETF (ISUL) stake by 107% in Q2 2026, buying an estimated $330K and bringing the position to 30,215 shares worth $514K. The position accounts for ﹤0.01% of the portfolio, ranked #757.

Optiver Holding first reported a position in ISUL in Q4 2025 and has held it in 3 quarters since. The position peaked at $863K in Q4 2025. 3 funds tracked by Wall St. Rank hold ISUL as of Q2 2026.

Optiver Holding held 30,215 shares of GraniteShares 2x Long ISRG Daily ETF worth $514K as of Q2 2026.
Optiver Holding bought 15,627 GraniteShares 2x Long ISRG Daily ETF shares in Q2 2026, an estimated $330K.
GraniteShares 2x Long ISRG Daily ETF made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #757 holding.
Optiver Holding first reported a position in GraniteShares 2x Long ISRG Daily ETF in Q4 2025 and has held it in 3 quarters since.
Optiver Holding's GraniteShares 2x Long ISRG Daily ETF position peaked at $863K in Q4 2025.
3 funds tracked by Wall St. Rank held GraniteShares 2x Long ISRG Daily ETF as of Q2 2026.

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