Jeff Yass’s ProShares Big Data Refiners ETF DAT Stock Holding History

Jeff Yass’s Portfolio DAT Stock Details DAT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.17M	Buy	27,736 +4,394	+19%	+$171K	﹤0.01%	7803
2026 Q1	$797K	Buy	23,342 +11,825	+103%	+$457K	﹤0.01%	8488
2025 Q4	$523K	Sell	11,517 -499	-4%	-$23.2K	﹤0.01%	8686
2025 Q3	$576K	Sell	12,016 -259	-2%	-$12K	﹤0.01%	8651
2025 Q2	$570K	Buy	+12,275	New	+$520K	﹤0.01%	8868
2025 Q1	–	Sell	-5,293	Closed	-$232K	–	12629
2024 Q4	$232K	Sell	5,293 -28,023	-84%	-$1.16M	﹤0.01%	10387
2024 Q3	$1.18M	Buy	33,316 +5,826	+21%	+$203K	﹤0.01%	6404
2024 Q2	$962K	Buy	27,490 +10,087	+58%	+$353K	﹤0.01%	6691
2024 Q1	$648K	Buy	17,403 +5,997	+53%	+$210K	﹤0.01%	7883
2023 Q4	$376K	Buy	+11,406	New	+$336K	﹤0.01%	9334
2022 Q4	–	Sell	-15,195	Closed	-$336K	–	12624
2022 Q3	$336K	Sell	15,195 -42,499	-74%	-$1.05M	﹤0.01%	9493
2022 Q2	$1.32M	Buy	57,694 +3,513	+6%	+$92.2K	﹤0.01%	5846
2022 Q1	$1.77M	Sell	54,181 -5,234	-9%	-$169K	﹤0.01%	5756
2021 Q4	$2.32M	Buy	+59,415	New	+$2.44M	﹤0.01%	5167

Other funds holding DAT

FTUS

Flow Traders U.S. New York $2.43B AUM 44.44% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

FFA

Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return

AWM

Aberdeen Wealth Management Lake Bluff, Illinois $208M AUM 27.29% 1-Year Est. Return

Harbour Investments Madison, Wisconsin $7.43B AUM 24.49% 1-Year Est. Return

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

Jeff Yass's DAT Position: Q2 2026 in Review

Jeff Yass increased its ProShares Big Data Refiners ETF (DAT) stake by 19% in Q2 2026, buying an estimated $171K and bringing the position to 27,736 shares worth $1.17M. The position accounts for ﹤0.01% of the portfolio, ranked #7803.

Jeff Yass first reported a position in DAT in Q4 2021 and has held it in 14 quarters since. The position peaked at $2.32M in Q4 2021. 9 funds tracked by Wall St. Rank hold DAT as of Q2 2026.

Jeff Yass held 27,736 shares of ProShares Big Data Refiners ETF worth $1.17M as of Q2 2026.
Jeff Yass bought 4,394 ProShares Big Data Refiners ETF shares in Q2 2026, an estimated $171K.
ProShares Big Data Refiners ETF made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #7803 holding.
Jeff Yass first reported a position in ProShares Big Data Refiners ETF in Q4 2021 and has held it in 14 quarters since.
Jeff Yass's ProShares Big Data Refiners ETF position peaked at $2.32M in Q4 2021.
9 funds tracked by Wall St. Rank held ProShares Big Data Refiners ETF as of Q2 2026.

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