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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.

New
Increased
Maintained
Reduced
Closed

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

Holders
44
Holders Change
+21
Holders Change %
+91.3%
% of All Funds
0.58%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
27
Increased
12
Reduced
3
Closed
6
Calls
$52K
Puts
$101K
Net Calls
-$49K
Net Calls Change
+$45K

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$2.96M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$1.21M
3
UBS Group
UBS Group
Switzerland
+$1.07M
4
Geode Capital Management
Geode Capital Management
Massachusetts
+$732K
5
State Street
State Street
Massachusetts
+$358K

Top Sellers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
-$84.5K
2
Renaissance Technologies
Renaissance Technologies
New York
-$68.2K
3
Jane Street
Jane Street
New York
-$66.8K
4
Millennium Management
Millennium Management
New York
-$60K
5
Cetera Investment Advisers
Cetera Investment Advisers
Illinois
-$37.1K
Name Holding Trade Value Shares
Change 		Change in
Stake
BlackRock
1
BlackRock
New York
$3.42M +$2.96M +729,211 +1,675%
Vanguard Group
2
Vanguard Group
Pennsylvania
$3.03M +$1.21M +297,632 +77%
Geode Capital Management
3
Geode Capital Management
Massachusetts
$1.77M +$732K +180,186 +82%
UBS Group
4
UBS Group
Switzerland
$1.17M +$1.07M +264,782 +65,378%
Cetera Investment Advisers
5
Cetera Investment Advisers
Illinois
$672K -$37.1K -9,133 -6%
Northern Trust
6
Northern Trust
Illinois
$517K +$310K +76,297 +188%
State Street
7
State Street
Massachusetts
$495K +$358K +88,153 +370%
SO
8
STRS Ohio
Ohio
$372K +$342K +84,200 New
Susquehanna International Group
9
Susquehanna International Group
Pennsylvania
$342K +$161K +39,696 +105%
NA
10
Navellier & Associates
Nevada
$328K +$302K +74,272 New
Goldman Sachs
11
Goldman Sachs
New York
$175K +$160K +39,514 New
Focus Partners Wealth
12
Focus Partners Wealth
Massachusetts
$163K – – –
Morgan Stanley
13
Morgan Stanley
New York
$159K +$133K +32,809 +1,003%
Charles Schwab
14
Charles Schwab
California
$156K +$143K +35,189 New
PAM
15
Panagora Asset Management
Massachusetts
$145K +$133K +32,765 New
Dimensional Fund Advisors
16
Dimensional Fund Advisors
Texas
$136K +$125K +30,696 New
BCM
17
Bridgeway Capital Management
Texas
$111K +$101K +25,000 New
Bank of New York Mellon
18
Bank of New York Mellon
New York
$110K +$101K +24,963 New
Barclays
19
Barclays
United Kingdom
$107K +$98.7K +24,320 New
Renaissance Technologies
20
Renaissance Technologies
New York
$97.2K -$68.2K -16,800 -43%
OQS
21
Occudo Quantitative Strategies
Florida
$97.2K +$89.3K +21,995 New
New York State Common Retirement Fund
22
New York State Common Retirement Fund
New York
$95.5K +$87.7K +21,600 New
RhumbLine Advisers
23
RhumbLine Advisers
Massachusetts
$94.9K +$87.2K +21,476 New
N
24
Nuveen
North Carolina
$80.8K +$74.2K +18,282 New
KI
25
Kapitalo Investimentos
Brazil
$49.8K +$45.8K +11,275 New
1
2

SIEB Hedge Fund Activity: Q2 2025 in Review

44 of the 7,599 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.