Ken Griffin
MUU

Ken Griffin’s Direxion Daily MU Bull 2X ETF MUU Stock Holding History

Ken Griffin’s Portfolio MUU Stock Details MUU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$3.51M Buy
+583,580
New +$5.15M ﹤0.01% 4948
2025
Q4 		– Sell
-405,000
Closed -$840K – 14450
2025
Q3 		$840K Buy
+405,000
New +$521K ﹤0.01% 7928

Other funds holding MUU

UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return
Belvedere Trading
Belvedere Trading Chicago, Illinois $87.6B AUM 131.08% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
DWM
Diversify Wealth Management Sandy, Utah $5.98B AUM 29.21% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return
SG
StoneX Group New York $1.86B AUM 21.3% 1-Year Est. Return

Ken Griffin's MUU Position: Q1 2026 in Review

Ken Griffin opened a new position in Direxion Daily MU Bull 2X ETF (MUU) in Q1 2026: 583,580 shares worth $3.51M. The stake represents ﹤0.01% of the portfolio and ranks #4948 among its holdings. This is a return to the name: Ken Griffin previously reported a position in MUU as recently as Q3 2025.

Ken Griffin first reported a position in MUU in Q3 2025 and has held it in 2 quarters since. 31 funds tracked by Wall St. Rank hold MUU as of Q1 2026.

  • Ken Griffin held 583,580 shares of Direxion Daily MU Bull 2X ETF worth $3.51M as of Q1 2026.
  • Direxion Daily MU Bull 2X ETF was a new Ken Griffin position in Q1 2026.
  • Direxion Daily MU Bull 2X ETF made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #4948 holding.
  • Ken Griffin first reported a position in Direxion Daily MU Bull 2X ETF in Q3 2025 and has held it in 2 quarters since.
  • 31 funds tracked by Wall St. Rank held Direxion Daily MU Bull 2X ETF as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.