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
2021 Q3	–	Sell	-22,900	Closed	-$709K	–	13615
2021 Q2	$709K	Sell	22,900 -100	-0.4%	-$3.15K	﹤0.01%	8710
2021 Q1	$658K	Buy	23,000 +10,000	+77%	+$256K	﹤0.01%	8830
2020 Q4	$265K	Buy	+13,000	New	+$207K	﹤0.01%	9535
2020 Q1	–	Sell	-11,000	Closed	-$272K	–	10921
2019 Q4	$272K	Buy	+11,000	New	+$242K	﹤0.01%	8207
2018 Q2	–	Sell	-22,500	Closed	-$490K	–	10462
2018 Q1	$490K	Buy	22,500 +12,000	+114%	+$279K	﹤0.01%	6677
2017 Q4	$245K	Buy	+10,500	New	+$224K	﹤0.01%	7919
2016 Q2	–	Sell	-50,500	Closed	-$536K	–	9363
2016 Q1	$536K	Sell	50,500 -44,500	-47%	-$379K	﹤0.01%	6273
2015 Q4	$950K	Buy	+95,000	New	+$1M	﹤0.01%	5510
2015 Q1	–	Sell	-58,000	Closed	-$668K	–	9968
2014 Q4	$668K	Buy	58,000 +31,000	+115%	+$326K	﹤0.01%	6662
2014 Q3	$264K	Buy	+27,000	New	+$288K	﹤0.01%	8224

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.