Optiver Holding’s ProShares Ultra COIN COIA Stock Holding History

Optiver Holding’s Portfolio COIA Stock Details COIA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$372K	Buy	34,288 +25,345	+283%	+$414K	﹤0.01%	695
2025 Q4	$208K	Buy	8,943 +363	+4%	+$16.5K	﹤0.01%	707
2025 Q3	$520K	Buy	+8,580	New	+$492K	﹤0.01%	522

Other funds holding COIA

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

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

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return

Optiver Holding's COIA Position: Q1 2026 in Review

Optiver Holding increased its ProShares Ultra COIN (COIA) stake by 283% in Q1 2026, buying an estimated $414K and bringing the position to 34,288 shares worth $372K. The position accounts for ﹤0.01% of the portfolio, ranked #695.

Optiver Holding first reported a position in COIA in Q3 2025 and has held it in 3 quarters since. The position peaked at $520K in Q3 2025. 5 funds tracked by Wall St. Rank hold COIA as of Q1 2026.

Optiver Holding held 34,288 shares of ProShares Ultra COIN worth $372K as of Q1 2026.
Optiver Holding bought 25,345 ProShares Ultra COIN shares in Q1 2026, an estimated $414K.
ProShares Ultra COIN made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #695 holding.
Optiver Holding first reported a position in ProShares Ultra COIN in Q3 2025 and has held it in 3 quarters since.
Optiver Holding's ProShares Ultra COIN position peaked at $520K in Q3 2025.
5 funds tracked by Wall St. Rank held ProShares Ultra COIN as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.