Siebert Financial
SIEB
48 hedge funds and large institutions have $11.4M invested in Siebert Financial in 2025 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 17 increasing their positions, 14 reducing their positions, and 3 closing their positions.
21% more repeat investments, than reductions
Existing positions increased: 17 | Existing positions reduced: 14
11% more capital invested
Capital invested by funds: $10.2M → $11.4M (+$1.14M)
0% more funds holding
Funds holding: 48 → 48 (0)
0% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 3
0.45% less ownership
Funds ownership: 8.47% → 8.02% (-0.45%)
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $2K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$90.8K |
| 2 |
BlackRock
New York
|
+$67.8K |
| 3 |
Jane Street
New York
|
+$52K |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$48.7K |
| 5 |
Bank of America
Charlotte,
North Carolina
|
+$16.6K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$431K |
| 2 |
NA
Navellier & Associates
Reno,
Nevada
|
-$253K |
| 3 |
WG
Winton Group
London,
United Kingdom
|
-$126K |
| 4 |
Goldman Sachs
New York
|
-$108K |
| 5 |
Russell Investments Group
London,
United Kingdom
|
-$95.7K |
SIEB Hedge Fund Activity: Q4 2025 in Review
48 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Siebert Financial (SIEB) for Q4 2025, worth a combined $11.4M — up 11% from $10.2M a quarter earlier.
Fund positioning in SIEB was balanced in Q4 2025: 3 funds opened new positions, 3 closed out, 17 added to existing stakes and 14 trimmed.
The largest buyer was Vanguard Group, adding an estimated $90.8K. The largest seller was UBS Group, cutting an estimated $431K.
- 48 institutional investors held Siebert Financial (SIEB) as of Q4 2025, unchanged from Q3 2025.
- Funds reported $11.4M of Siebert Financial stock for Q4 2025, up 11% quarter-over-quarter.
- 3 funds opened new Siebert Financial positions in Q4 2025 and 3 closed out, a net change of 0 holders.
- The largest Siebert Financial buyer in Q4 2025 was Vanguard Group, an estimated $90.8K added.
- The largest Siebert Financial seller in Q4 2025 was UBS Group, an estimated $431K sold.
Based on aggregated 13F filings for Q4 2025.