JY
OKLL

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

Jeff Yass’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
Q2 		$647K Buy
131,716
+64,479
+96% +$533K ﹤0.01% 9310
2026
Q1 		$407K Buy
+67,237
New +$1.05M ﹤0.01% 10165

Other funds holding OKLL

SG
StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $371B AUM 64.6% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $12.4B AUM 62.79% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Mercer Global Advisors
Mercer Global Advisors Denver, Colorado $80.9B AUM 26.08% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Jeff Yass's OKLL Position: Q2 2026 in Review

Jeff Yass increased its Defiance Daily Target 2x Long OKLO ETF (OKLL) stake by 96% in Q2 2026, buying an estimated $533K and bringing the position to 131,716 shares worth $647K. The position accounts for ﹤0.01% of the portfolio, ranked #9310.

Jeff Yass first reported a position in OKLL in Q1 2026 and has held it in 2 quarters since. 15 funds tracked by Wall St. Rank hold OKLL as of Q2 2026.

  • Jeff Yass held 131,716 shares of Defiance Daily Target 2x Long OKLO ETF worth $647K as of Q2 2026.
  • Jeff Yass bought 64,479 Defiance Daily Target 2x Long OKLO ETF shares in Q2 2026, an estimated $533K.
  • Defiance Daily Target 2x Long OKLO ETF made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #9310 holding.
  • Jeff Yass first reported a position in Defiance Daily Target 2x Long OKLO ETF in Q1 2026 and has held it in 2 quarters since.
  • 15 funds tracked by Wall St. Rank held Defiance Daily Target 2x Long OKLO ETF as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.