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JANE STREET GROUP, LLC

Position in SIEB — Siebert Financial Corp

CIK 1595888 NEW YORK, NY

Position in SIEB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$92,021
+$34,553 QoQ
Shares Held
55,771
+240.6% QoQ
Ownership
0.136%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#9
of 47 holders
Holding Since
Mar 2021
9 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SIEB Over Time

Shares Held

Position Value (USD)

Derivatives in SIEB

reported options exposure · as of Sep 30, 2025
CallValue
$29,784
CallShares
10,200
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Capital Markets

Financial Services · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $2,145,174,898 across 56 Capital Markets names. SIEB ranks #42 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SIEB

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9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $92,021 55,771
2025-12-31 $57,468 16,373
2025-09-30 $29,784 10,200
2025-06-30 $45,526 10,300
2025-03-31 $49,493 16,443
2024-12-31 $36,870 11,668
2021-09-30 $33,500 10,000
2021-06-30 $52,910 11,000
2021-03-31 $87,075 21,500