JY
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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
2023
Q1 		– Sell
-10,200
Closed -$13.8K – 13415
2022
Q4 		$13.8K Buy
+10,200
New +$16.2K ﹤0.01% 11866
2022
Q1 		– Sell
-33,700
Closed -$78K – 13879
2021
Q4 		$78K Buy
+33,700
New +$97.2K ﹤0.01% 12303
2021
Q2 		– Sell
-64,600
Closed -$262K – 13193
2021
Q1 		$262K Buy
+64,600
New +$311K ﹤0.01% 10893
2020
Q4 		– Sell
-20,200
Closed -$65K – 11666
2020
Q3 		$65K Sell
20,200
-600
-3% -$2.35K ﹤0.01% 10123
2020
Q2 		$105K Buy
+20,800
New +$131K ﹤0.01% 9476
2019
Q2 		– Sell
-15,800
Closed -$187K – 10772
2019
Q1 		$187K Buy
+15,800
New +$195K ﹤0.01% 7921

Other funds holding SIEB

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
CF
Cantor Fitzgerald New York $9.31B AUM 73.66% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Cetera Investment Advisers
Cetera Investment Advisers Schaumburg, Illinois $110B AUM 26.29% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
State Street
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.