Siebert Financial
SIEB
48 hedge funds and large institutions have $3.93M invested in Siebert Financial in 2026 Q2 according to their latest regulatory filings, with 12 funds opening new positions, 12 increasing their positions, 22 reducing their positions, and 18 closing their positions.
2.09% less ownership
Funds ownership: 7.91% → 5.81% (-2.1%)
13% less funds holding
Funds holding: 55 → 48 (-7)
33% less first-time investments, than exits
New positions opened: 12 | Existing positions closed: 18
36% less capital invested
Capital invested by funds: $6.13M → $3.93M (-$2.21M)
45% less repeat investments, than reductions
Existing positions increased: 12 | Existing positions reduced: 22
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CF
Cantor Fitzgerald
New York
|
+$939K |
| 2 |
Millennium Management
New York
|
+$221K |
| 3 |
Jane Street
New York
|
+$101K |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
+$46K |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$39.2K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$1.23M |
| 2 |
Geode Capital Management
Boston,
Massachusetts
|
-$331K |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$252K |
| 4 |
Northern Trust
Chicago,
Illinois
|
-$175K |
| 5 |
State Street
Boston,
Massachusetts
|
-$170K |
SIEB Hedge Fund Activity: Q2 2026 in Review
48 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Siebert Financial (SIEB) for Q2 2026, worth a combined $3.93M — down 36% from $6.13M a quarter earlier.
Sellers outnumbered buyers: 18 funds closed out of SIEB and 12 opened new positions — a net loss of 6 holders — while 22 trimmed existing stakes and 12 added.
The largest buyer was Cantor Fitzgerald, opening a new position worth an estimated $939K. The largest seller was BlackRock, cutting an estimated $1.23M.
- 48 institutional investors held Siebert Financial (SIEB) as of Q2 2026, down from 55 in Q1 2026.
- Funds reported $3.93M of Siebert Financial stock for Q2 2026, down 36% quarter-over-quarter.
- 12 funds opened new Siebert Financial positions in Q2 2026 and 18 closed out, a net change of -6 holders.
- The largest Siebert Financial buyer in Q2 2026 was Cantor Fitzgerald, an estimated $939K added.
- The largest Siebert Financial seller in Q2 2026 was BlackRock, an estimated $1.23M sold.
Based on aggregated 13F filings for Q2 2026.