Jane Street’s Siebert Financial SIEB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
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

Jane Street's SIEB Position: Q2 2026 in Review

Jane Street opened a new position in Siebert Financial (SIEB) in Q2 2026: 55,771 shares worth $92K. The stake represents ﹤0.01% of the portfolio and ranks #10642 among its holdings. This is a return to the name: Jane Street previously reported a position in SIEB as recently as Q4 2025.

Jane Street first reported a position in SIEB in Q4 2024 and has held it in 4 quarters since. 46 funds tracked by Wall St. Rank hold SIEB as of Q2 2026.

  • Jane Street held 55,771 shares of Siebert Financial worth $92K as of Q2 2026.
  • Siebert Financial was a new Jane Street position in Q2 2026.
  • Siebert Financial made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10642 holding.
  • Jane Street first reported a position in Siebert Financial in Q4 2024 and has held it in 4 quarters since.
  • 46 funds tracked by Wall St. Rank held Siebert Financial as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.