Siebert Financial
SIEB
44 hedge funds and large institutions have $14.2M invested in Siebert Financial in 2025 Q2 according to their latest regulatory filings, with 27 funds opening new positions, 12 increasing their positions, 3 reducing their positions, and 6 closing their positions.
350% more first-time investments, than exits
New positions opened: 27 | Existing positions closed: 6
342% more capital invested
Capital invested by funds: $3.21M → $14.2M (+$11M)
300% more repeat investments, than reductions
Existing positions increased: 12 | Existing positions reduced: 3
91% more funds holding
Funds holding: 23 → 44 (+21)
5.28% more ownership
Funds ownership: 2.66% → 7.94% (+5.3%)
49% less call options, than puts
Call options by funds: $52K | Put options by funds: $101K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$2.96M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$1.21M |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$1.07M |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
+$732K |
| 5 |
State Street
Boston,
Massachusetts
|
+$358K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$84.5K |
| 2 |
Renaissance Technologies
New York
|
-$68.2K |
| 3 |
Jane Street
New York
|
-$66.8K |
| 4 |
Millennium Management
New York
|
-$60K |
| 5 |
Cetera Investment Advisers
Schaumburg,
Illinois
|
-$37.1K |
SIEB Hedge Fund Activity: Q2 2025 in Review
44 of the 7,616 institutional investors tracked by Wall St. Rank reported a position in Siebert Financial (SIEB) for Q2 2025, worth a combined $14.2M — up 342% from $3.21M a quarter earlier.
Buyers outnumbered sellers: 27 funds opened new SIEB positions and 6 closed out — a net gain of 21 holders — while 12 added to existing stakes and 3 trimmed.
The largest buyer was BlackRock, adding an estimated $2.96M. The largest seller was Citadel Advisors, exiting entirely with an estimated $84.5K sold.
- 44 institutional investors held Siebert Financial (SIEB) as of Q2 2025, up from 23 in Q1 2025.
- Funds reported $14.2M of Siebert Financial stock for Q2 2025, up 342% quarter-over-quarter.
- 27 funds opened new Siebert Financial positions in Q2 2025 and 6 closed out, a net change of +21 holders.
- The largest Siebert Financial buyer in Q2 2025 was BlackRock, an estimated $2.96M added.
- The largest Siebert Financial seller in Q2 2025 was Citadel Advisors, an estimated $84.5K sold.
Based on aggregated 13F filings for Q2 2025.