Jane Street
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Jane Street’s Siebert Financial SIEB Stock Holding History

Jane Street’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
2026
Q3 		$99K Sell
46,045
-9,726
-17% -$19.2K ﹤0.01% 10606
2026
Q2 		$92K Buy
+55,771
New +$101K ﹤0.01% 10642
2026
Q1 		– Sell
-16,373
Closed -$57.5K – 12859
2025
Q4 		$57.5K Buy
+16,373
New +$52K ﹤0.01% 10461
2025
Q2 		– Sell
-16,443
Closed -$66.8K – 10769
2025
Q1 		$49.5K Buy
16,443
+4,775
+41% +$13.2K ﹤0.01% 8996
2024
Q4 		$36.9K Buy
+11,668
New +$31.6K ﹤0.01% 9042

Other funds holding SIEB

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Cetera Investment Advisers
Cetera Investment Advisers Schaumburg, Illinois $115B AUM 18.52% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $463B AUM
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Focus Partners Wealth
Focus Partners Wealth Boston, Massachusetts $96.6B AUM 22.52% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $77B AUM 19.24% 1-Year Est. Return

Jane Street's SIEB Position: Q3 2026 in Review

Jane Street reduced its Siebert Financial (SIEB) stake by 17% in Q3 2026, selling an estimated $19.2K and leaving 46,045 shares worth $99K. The position accounts for ﹤0.01% of the portfolio, ranked #10606.

Jane Street first reported a position in SIEB in Q4 2024 and has held it in 5 quarters since. 30 funds tracked by Wall St. Rank hold SIEB as of Q3 2026.

  • Jane Street held 46,045 shares of Siebert Financial worth $99K as of Q3 2026.
  • Jane Street sold 9,726 Siebert Financial shares in Q3 2026, an estimated $19.2K.
  • Siebert Financial made up ﹤0.01% of Jane Street's portfolio in Q3 2026, its #10606 holding.
  • Jane Street first reported a position in Siebert Financial in Q4 2024 and has held it in 5 quarters since.
  • 30 funds tracked by Wall St. Rank held Siebert Financial as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.