Optiver Holding
SOFX

Optiver Holding’s Defiance Daily Target 2X Long SOFI ETF SOFX Stock Holding History

Optiver Holding’s Portfolio SOFX Stock Details SOFX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$245K Sell
23,831
-29,957
-56% -$297K ﹤0.01% 857
2026
Q1 		$502K Buy
53,788
+45,762
+570% +$831K ﹤0.01% 652
2025
Q4 		$228K Buy
+8,026
New +$314K ﹤0.01% 684
2025
Q3 		– Sell
-14,832
Closed -$302K – 2915
2025
Q2 		$302K Buy
+14,832
New +$169K ﹤0.01% 423

Other funds holding SOFX

UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
GS
GTS Securities Miami, Florida $4.75B AUM 41.97% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Group One Trading
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 SOFX Position: Q2 2026 in Review

Optiver Holding reduced its Defiance Daily Target 2X Long SOFI ETF (SOFX) stake by 56% in Q2 2026, selling an estimated $297K and leaving 23,831 shares worth $245K. The position accounts for ﹤0.01% of the portfolio, ranked #857.

Optiver Holding first reported a position in SOFX in Q2 2025 and has held it in 4 quarters since. The position peaked at $502K in Q1 2026. 8 funds tracked by Wall St. Rank hold SOFX as of Q2 2026.

  • Optiver Holding held 23,831 shares of Defiance Daily Target 2X Long SOFI ETF worth $245K as of Q2 2026.
  • Optiver Holding sold 29,957 Defiance Daily Target 2X Long SOFI ETF shares in Q2 2026, an estimated $297K.
  • Defiance Daily Target 2X Long SOFI ETF made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #857 holding.
  • Optiver Holding first reported a position in Defiance Daily Target 2X Long SOFI ETF in Q2 2025 and has held it in 4 quarters since.
  • Optiver Holding's Defiance Daily Target 2X Long SOFI ETF position peaked at $502K in Q1 2026.
  • 8 funds tracked by Wall St. Rank held Defiance Daily Target 2X Long SOFI ETF as of Q2 2026.

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