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MILLENNIUM MANAGEMENT LLC

Position in SIEB — Siebert Financial Corp

CIK 1273087 NEW YORK, NY

Position in SIEB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$200,032
+$140,037 QoQ
Shares Held
121,232
+508.2% QoQ
Ownership
0.295%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#5
of 47 holders
Holding Since
Mar 2021
12 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SIEB Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Jun 30, 2026

MILLENNIUM MANAGEMENT LLC holds $1,519,054,005 across 49 Capital Markets names. SIEB ranks #43 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SIEB

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12 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $200,032 121,232
2025-03-31 $59,995 19,932
2024-12-31 $61,401 19,431
2024-09-30 $42,369 16,747
2024-06-30 $23,891 13,731
2024-03-31 $21,471 10,176
2022-12-31 $34,201 25,148
2022-03-31 $59,160 27,389
2021-12-31 $122,417 52,766
2021-09-30 $76,497 22,835
2021-06-30 $212,703 44,221
2021-03-31 $465,296 114,888