Ken Griffin
MIDU icon

Ken Griffin’s Direxion Daily Mid Cap Bull 3X ETF MIDU Stock Holding History

Ken Griffin’s Portfolio MIDU Stock Details MIDU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.22M Buy
23,400
+14,400
+160% +$832K ﹤0.01% 7227
2025
Q4 		$457K Sell
9,000
-1,500
-14% -$75.2K ﹤0.01% 9244
2025
Q3 		$532K Buy
10,500
+600
+6% +$29.4K ﹤0.01% 8982
2025
Q2 		$446K Buy
9,900
+3,500
+55% +$138K ﹤0.01% 8906
2025
Q1 		$264K Sell
6,400
-1,800
-22% -$92.5K ﹤0.01% 9866
2024
Q4 		$433K Buy
8,200
+4,200
+105% +$247K ﹤0.01% 8879
2024
Q3 		$220K Buy
+4,000
New +$203K ﹤0.01% 9957
2016
Q3 		– Sell
-31,700
Closed -$3.61M – 7548
2016
Q2 		$3.61M Sell
31,700
-6,800
-18% -$160K ﹤0.01% 2123
2016
Q1 		$3.63M Buy
38,500
+8,800
+30% +$159K ﹤0.01% 2069
2015
Q4 		$2.21M Sell
29,700
-19,700
-40% -$442K ﹤0.01% 2631
2015
Q3 		$3.93M Buy
49,400
+7,900
+19% +$191K ﹤0.01% 2192
2015
Q2 		$2.85M Sell
41,500
-76,000
-65% -$1.91M ﹤0.01% 2643
2015
Q1 		$2.23M Sell
117,500
-89,500
-43% -$1.85M ﹤0.01% 2927
2014
Q4 		$3.56M Buy
207,000
+82,500
+66% +$1.48M ﹤0.01% 2297
2014
Q3 		$1.66M Buy
124,500
+66,500
+115% +$1.21M ﹤0.01% 3073
2014
Q2 		$713K Buy
58,000
+16,500
+40% +$279K ﹤0.01% 3921
2014
Q1 		$447K Buy
+41,500
New +$666K ﹤0.01% 4501

Other funds holding MIDU

Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
HFS
Howard Financial Services Dallas, Texas $1B AUM 20.02% 1-Year Est. Return
MAM
Morse Asset Management Darien, Connecticut $481M AUM 46% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
TFA
Toth Financial Advisory Leesburg, Virginia $1.02B AUM 28.36% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
TSMHT
Thurston Springer Miller Herd & Titak Indianapolis, Indiana $275M AUM 30.64% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Ken Griffin's MIDU Position: Q1 2026 in Review

Ken Griffin opened a new position in Direxion Daily Mid Cap Bull 3X ETF (MIDU) in Q1 2026: 17,208 shares worth $894K. The stake represents ﹤0.01% of the portfolio and ranks #7919 among its holdings. This is a return to the name: Ken Griffin previously reported a position in MIDU as recently as Q3 2025.

Ken Griffin first reported a position in MIDU in Q3 2014 and has held it in 21 quarters since. The position peaked at $3.32M in Q3 2024. 14 funds tracked by Wall St. Rank hold MIDU as of Q1 2026.

  • Ken Griffin held 17,208 shares of Direxion Daily Mid Cap Bull 3X ETF worth $894K as of Q1 2026.
  • Direxion Daily Mid Cap Bull 3X ETF was a new Ken Griffin position in Q1 2026.
  • Direxion Daily Mid Cap Bull 3X ETF made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #7919 holding.
  • Ken Griffin first reported a position in Direxion Daily Mid Cap Bull 3X ETF in Q3 2014 and has held it in 21 quarters since.
  • Ken Griffin's Direxion Daily Mid Cap Bull 3X ETF position peaked at $3.32M in Q3 2024.
  • 14 funds tracked by Wall St. Rank held Direxion Daily Mid Cap Bull 3X ETF as of Q1 2026.

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