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ECB Bancorp
ECBK

49 hedge funds and large institutions have $41.7M invested in ECB Bancorp in 2025 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 15 increasing their positions, 11 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

300% more first-time investments, than exits

New positions opened: 12 | Existing positions closed: 3

36% more repeat investments, than reductions

Existing positions increased: 15 | Existing positions reduced: 11

23% more funds holding

Funds holding: 40 → 49 (+9)

1% more capital invested

Capital invested by funds: $41.2M → $41.7M (+$501K)

0.13% more ownership

Funds ownership: 29.56% → 29.69% (+0.13%)

Holders
49
Holders Change
+9
Holders Change %
+22.5%
% of All Funds
0.64%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
12
Increased
15
Reduced
11
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$269K
2
Renaissance Technologies
Renaissance Technologies
New York
+$183K
3
Goldman Sachs
Goldman Sachs
New York
+$169K
4
UBS Group
UBS Group
Switzerland
+$104K
5
State Street
State Street
Massachusetts
+$92.9K

Top Sellers

Rank Fund Capital Flow
1
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$440K
2
AllianceBernstein
AllianceBernstein
Tennessee
-$411K
3
Deutsche Bank
Deutsche Bank
Germany
-$231K
4
RA
Raffles Associates
New York
-$194K
5
Vanguard Group
Vanguard Group
Pennsylvania
-$149K
Name Holding Trade Value Shares
Change 		Change in
Stake
AllianceBernstein
1
AllianceBernstein
Tennessee
$12.7M -$411K -25,300 -3%
Vanguard Group
2
Vanguard Group
Pennsylvania
$7.8M -$149K -9,162 -2%
BlackRock
3
BlackRock
New York
$6.08M +$269K +16,552 +5%
Geode Capital Management
4
Geode Capital Management
Massachusetts
$2.73M -$15.8K -974 -0.6%
S
5
Sachetta
Massachusetts
$1.89M +$58.2K +3,583 +3%
Renaissance Technologies
6
Renaissance Technologies
New York
$1.5M +$183K +11,273 +14%
State Street
7
State Street
Massachusetts
$1.19M +$92.9K +5,715 +8%
Northern Trust
8
Northern Trust
Illinois
$1.08M -$47K -2,892 -4%
OC
9
Oppenheimer & Close
New York
$968K – – –
MA
10
Minerva Advisors
Pennsylvania
$793K – – –
MCM
11
Maltese Capital Management
New York
$722K – – –
Morgan Stanley
12
Morgan Stanley
New York
$667K -$111K -6,856 -14%
HighTower Advisors
13
HighTower Advisors
Illinois
$555K – – –
Charles Schwab
14
Charles Schwab
California
$377K – – –
GC
15
Grimes & Company
Massachusetts
$317K – – –
SV
16
Stilwell Value
New York
$317K – – –
Bank of New York Mellon
17
Bank of New York Mellon
New York
$299K +$38.3K +2,354 +14%
RA
18
Raffles Associates
New York
$256K -$194K -11,957 -43%
Mariner
19
Mariner
Kansas
$197K +$35.3K +2,173 +21%
RhumbLine Advisers
20
RhumbLine Advisers
Massachusetts
$183K +$24.1K +1,485 +15%
Barclays
21
Barclays
United Kingdom
$172K -$58.7K -3,610 -25%
UBS Group
22
UBS Group
Switzerland
$168K +$104K +6,419 +153%
Goldman Sachs
23
Goldman Sachs
New York
$165K +$169K +10,396 New
Wells Fargo
24
Wells Fargo
California
$101K +$23.3K +1,431 +29%
JP Morgan Chase
25
JP Morgan Chase
New York
$93.6K +$36.5K +2,248 +62%
1
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ECBK Hedge Fund Activity: Q3 2025 in Review

49 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in ECB Bancorp (ECBK) for Q3 2025, worth a combined $41.7M — up 1.2% from $41.2M a quarter earlier.

Buyers outnumbered sellers: 12 funds opened new ECBK positions and 3 closed out — a net gain of 9 holders — while 15 added to existing stakes and 11 trimmed.

The largest buyer was BlackRock, adding an estimated $269K. The largest seller was Susquehanna International Group, exiting entirely with an estimated $440K sold.

  • 49 institutional investors held ECB Bancorp (ECBK) as of Q3 2025, up from 40 in Q2 2025.
  • Funds reported $41.7M of ECB Bancorp stock for Q3 2025, up 1.2% quarter-over-quarter.
  • 12 funds opened new ECB Bancorp positions in Q3 2025 and 3 closed out, a net change of +9 holders.
  • The largest ECB Bancorp buyer in Q3 2025 was BlackRock, an estimated $269K added.
  • The largest ECB Bancorp seller in Q3 2025 was Susquehanna International Group, an estimated $440K sold.

Based on aggregated 13F filings for Q3 2025.