Optiver Holding
OKLL

Optiver Holding’s Defiance Daily Target 2x Long OKLO ETF OKLL Stock Holding History

Optiver Holding’s Portfolio OKLL Stock Details OKLL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$368K Buy
60,799
+48,519
+395% +$757K ﹤0.01% 699
2025
Q4 		$206K Sell
12,280
-9,626
-44% -$526K ﹤0.01% 711
2025
Q3 		$1.32M Buy
+21,906
New +$792K ﹤0.01% 436

Other funds holding OKLL

UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
GSIAS
Garden State Investment Advisory Services Red Bank, New Jersey $455M AUM 25.41% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
SRL
Scientech Research LLC Jersey City, New Jersey $120M AUM 73.62% 1-Year Est. Return
Belvedere Trading
Belvedere Trading Chicago, Illinois $87.6B AUM 131.08% 1-Year Est. Return
TSS
Two Sigma Securities New York $861M AUM 21.33% 1-Year Est. Return
ASN
Advisory Services Network Atlanta, Georgia $7.52B AUM 29.01% 1-Year Est. Return

Optiver Holding's OKLL Position: Q1 2026 in Review

Optiver Holding increased its Defiance Daily Target 2x Long OKLO ETF (OKLL) stake by 395% in Q1 2026, buying an estimated $757K and bringing the position to 60,799 shares worth $368K. The position accounts for ﹤0.01% of the portfolio, ranked #699.

Optiver Holding first reported a position in OKLL in Q3 2025 and has held it in 3 quarters since. The position peaked at $1.32M in Q3 2025. 12 funds tracked by Wall St. Rank hold OKLL as of Q1 2026.

  • Optiver Holding held 60,799 shares of Defiance Daily Target 2x Long OKLO ETF worth $368K as of Q1 2026.
  • Optiver Holding bought 48,519 Defiance Daily Target 2x Long OKLO ETF shares in Q1 2026, an estimated $757K.
  • Defiance Daily Target 2x Long OKLO ETF made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #699 holding.
  • Optiver Holding first reported a position in Defiance Daily Target 2x Long OKLO ETF in Q3 2025 and has held it in 3 quarters since.
  • Optiver Holding's Defiance Daily Target 2x Long OKLO ETF position peaked at $1.32M in Q3 2025.
  • 12 funds tracked by Wall St. Rank held Defiance Daily Target 2x Long OKLO ETF as of Q1 2026.

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