Jeff Yass’s ProShares UltraPro MidCap400 UMDD Stock Holding History

Jeff Yass’s Portfolio UMDD Stock Details UMDD Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2023 Q3	–	Sell	-10,300	Closed	-$210K	–	13035
2023 Q2	$210K	Buy	+10,300	New	+$184K	﹤0.01%	10173
2022 Q2	–	Sell	-11,600	Closed	-$335K	–	13996
2022 Q1	$335K	Buy	+11,600	New	+$332K	﹤0.01%	10004
2021 Q4	–	Sell	-9,100	Closed	-$261K	–	13945
2021 Q3	$261K	Sell	9,100 -4,900	-35%	-$150K	﹤0.01%	10917
2021 Q2	$433K	Sell	14,000 -7,000	-33%	-$220K	﹤0.01%	9932
2021 Q1	$601K	Buy	21,000 +11,000	+110%	+$281K	﹤0.01%	9057
2020 Q4	$204K	Buy	+10,000	New	+$159K	﹤0.01%	10011
2020 Q3	–	Sell	-50,000	Closed	-$490K	–	11184
2020 Q2	$490K	Buy	+50,000	New	+$426K	﹤0.01%	7414
2020 Q1	–	Sell	-10,500	Closed	-$259K	–	10923
2019 Q4	$259K	Buy	+10,500	New	+$231K	﹤0.01%	8297
2018 Q2	–	Sell	-30,000	Closed	-$653K	–	10463
2018 Q1	$653K	Buy	+30,000	New	+$699K	﹤0.01%	6105
2015 Q1	–	Sell	-52,000	Closed	-$599K	–	9969
2014 Q4	$599K	Sell	52,000 -4,000	-7%	-$42K	﹤0.01%	6890
2014 Q3	$548K	Buy	+56,000	New	+$598K	﹤0.01%	7029

Other funds holding UMDD

Mercer Global Advisors Denver, Colorado $80.9B AUM 26.08% 1-Year Est. Return

MFA

Millington Financial Advisors Naperville, Illinois $254M AUM 29.05% 1-Year Est. Return

HFS

Hantz Financial Services Southfield, Michigan $7.39B AUM 20.5% 1-Year Est. Return

Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Jeff Yass's UMDD Position: Q2 2026 in Review

Jeff Yass opened a new position in ProShares UltraPro MidCap400 (UMDD) in Q2 2026: 20,730 shares worth $778K. The stake represents ﹤0.01% of the portfolio and ranks #8850 among its holdings. This is a return to the name: Jeff Yass previously reported a position in UMDD as recently as Q4 2025.

Jeff Yass first reported a position in UMDD in Q3 2013 and has held it in 32 quarters since. The position peaked at $7.3M in Q4 2014. 6 funds tracked by Wall St. Rank hold UMDD as of Q2 2026.

Jeff Yass held 20,730 shares of ProShares UltraPro MidCap400 worth $778K as of Q2 2026.
ProShares UltraPro MidCap400 was a new Jeff Yass position in Q2 2026.
ProShares UltraPro MidCap400 made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #8850 holding.
Jeff Yass first reported a position in ProShares UltraPro MidCap400 in Q3 2013 and has held it in 32 quarters since.
Jeff Yass's ProShares UltraPro MidCap400 position peaked at $7.3M in Q4 2014.
6 funds tracked by Wall St. Rank held ProShares UltraPro MidCap400 as of Q2 2026.

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