SIEBERT FINL CORP (SIEB): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in SIEB · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
6
13F filers
Aggregate Value
$411K
Across holders
Last Price
$2.22
2026-10-08
Sector
Financials
GICS
Quarterly fund activity5 increased1 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 121K | $200K | 48.7% | 0.0% | Added | — | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 49K | $81K | 19.6% | 0.0% | Added | +$36K | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 25K | $42K | 10.1% | 0.0% | Added | — | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 21K | $35K | 8.6% | 0.0% | Added | — | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 21K | $35K | 8.4% | 0.0% | Reduced | $-1K | Q2 2026 |
| Point72 Asset Management, L.P. CIK 0001603466 | Hedge Fund | 11K | $19K | 4.6% | 0.0% | Added | — | Q2 2026 |
Added
Hedge Fund
$200K· 48.7% of total· 0.0% port· 121K sh· — QoQ· Q2 2026
Added
Hedge Fund
$81K· 19.6% of total· 0.0% port· 49K sh· +$36K QoQ· Q2 2026
Added
Hedge Fund
$42K· 10.1% of total· 0.0% port· 25K sh· — QoQ· Q2 2026
Added
Hedge Fund
$35K· 8.6% of total· 0.0% port· 21K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$35K· 8.4% of total· 0.0% port· 21K sh· $-1K QoQ· Q2 2026
Added
Hedge Fund
$19K· 4.6% of total· 0.0% port· 11K sh· — QoQ· Q2 2026
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