Jeff Yass’s Siebert Financial SIEB Stock Holding History

Jeff Yass’s Portfolio SIEB Stock Details SIEB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2022 Q4	–	Sell	-17,600	Closed	-$26K	–	13565
2022 Q3	$26K	Buy	+17,600	New	+$28.5K	﹤0.01%	12511
2022 Q2	–	Sell	-21,400	Closed	-$46K	–	13841
2022 Q1	$46K	Buy	21,400 +200	+0.9%	+$428	﹤0.01%	12346
2021 Q4	$49K	Sell	21,200 -25,000	-54%	-$72.1K	﹤0.01%	12558
2021 Q3	$155K	Sell	46,200 -41,500	-47%	-$164K	﹤0.01%	11760
2021 Q2	$422K	Buy	87,700 +67,400	+332%	+$279K	﹤0.01%	9991
2021 Q1	$82K	Buy	+20,300	New	+$97.6K	﹤0.01%	11924
2020 Q1	–	Sell	-13,200	Closed	-$114K	–	10811
2019 Q4	$114K	Buy	13,200 +2,800	+27%	+$26.8K	﹤0.01%	9083
2019 Q3	$96K	Buy	+10,400	New	+$106K	﹤0.01%	9577
2019 Q1	–	Sell	-27,200	Closed	-$393K	–	9741
2018 Q4	$393K	Buy	+27,200	New	+$348K	﹤0.01%	6492

Other funds holding SIEB

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Cantor Fitzgerald New York $9.31B AUM 73.66% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Cetera Investment Advisers Schaumburg, Illinois $110B AUM 26.29% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Jeff Yass's SIEB Position: Q2 2026 in Review

Jeff Yass increased its Siebert Financial (SIEB) stake by 69% in Q2 2026, buying an estimated $35.7K and bringing the position to 48,308 shares worth $79.7K. The position accounts for ﹤0.01% of the portfolio, ranked #12632.

Jeff Yass first reported a position in SIEB in Q1 2018 and has held it in 21 quarters since. The position peaked at $384K in Q4 2019. 48 funds tracked by Wall St. Rank hold SIEB as of Q2 2026.

Jeff Yass held 48,308 shares of Siebert Financial worth $79.7K as of Q2 2026.
Jeff Yass bought 19,643 Siebert Financial shares in Q2 2026, an estimated $35.7K.
Siebert Financial made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #12632 holding.
Jeff Yass first reported a position in Siebert Financial in Q1 2018 and has held it in 21 quarters since.
Jeff Yass's Siebert Financial position peaked at $384K in Q4 2019.
48 funds tracked by Wall St. Rank held Siebert Financial as of Q2 2026.

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