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ECB Bancorp
ECBK

27 hedge funds and large institutions have $33.3M invested in ECB Bancorp in 2025 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 8 increasing their positions, 6 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

33% more repeat investments, than reductions

Existing positions increased: 8 | Existing positions reduced: 6

20% more first-time investments, than exits

New positions opened: 6 | Existing positions closed: 5

4% more funds holding

Funds holding: 26 → 27 (+1)

1% more capital invested

Capital invested by funds: $33M → $33.3M (+$238K)

0.17% less ownership

Funds ownership: 24.41% → 24.24% (-0.17%)

Holders
27
Holders Change
+1
Holders Change %
+3.85%
% of All Funds
0.36%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
8
Reduced
6
Closed
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
+$677K
2
FL
Fourthstone LLC
Missouri
+$334K
3
Citadel Advisors
Citadel Advisors
Florida
+$215K
4
MA
Minerva Advisors
Pennsylvania
+$195K
5
Jane Street
Jane Street
New York
+$191K

Top Sellers

Rank Fund Capital Flow
1
CP
Castalian Partners
Minnesota
-$1.28M
2
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$344K
3
IWC
Integrated Wealth Concepts
Massachusetts
-$297K
4
EB
Eastern Bank
Massachusetts
-$237K
5
UBS Group
UBS Group
Switzerland
-$203K
Name Holding Trade Value Shares
Change 		Change in
Stake
AllianceBernstein
1
AllianceBernstein
Tennessee
$13.3M -$52.7K -3,643 -0.4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$6.91M – – –
BlackRock
3
BlackRock
New York
$2.13M +$41.4K +2,857 +2%
S
4
Sachetta
Massachusetts
$1.75M +$84.4K +5,832 +5%
Geode Capital Management
5
Geode Capital Management
Massachusetts
$1.22M +$36.3K +2,507 +3%
OC
6
Oppenheimer & Close
New York
$924K +$87K +6,007 +11%
Renaissance Technologies
7
Renaissance Technologies
New York
$804K +$27.5K +1,900 +4%
MA
8
Minerva Advisors
Pennsylvania
$757K +$195K +13,500 +37%
Millennium Management
9
Millennium Management
New York
$709K +$677K +46,800 New
MCM
10
Maltese Capital Management
New York
$689K – – –
HighTower Advisors
11
HighTower Advisors
Illinois
$530K – – –
Susquehanna International Group
12
Susquehanna International Group
Pennsylvania
$512K -$344K -23,742 -41%
RA
13
Raffles Associates
New York
$495K -$142K -9,777 -23%
Northern Trust
14
Northern Trust
Illinois
$447K -$13.9K -963 -3%
FL
15
Fourthstone LLC
Missouri
$349K +$334K +23,043 New
GC
16
Grimes & Company
Massachusetts
$303K – – –
SV
17
Stilwell Value
New York
$303K – – –
State Street
18
State Street
Massachusetts
$287K – – –
Citadel Advisors
19
Citadel Advisors
Florida
$225K +$215K +14,847 New
Jane Street
20
Jane Street
New York
$200K +$191K +13,224 New
SSA
21
Schonfeld Strategic Advisors
New York
$197K +$188K +12,984 New
Mariner
22
Mariner
Kansas
$154K +$2.33K +161 +2%
UBS Group
23
UBS Group
Switzerland
$60.6K -$203K -14,000 -78%
Morgan Stanley
24
Morgan Stanley
New York
$49.4K +$47.2K +3,262 New
ACA
25
American Capital Advisory
Idaho
$1.51K – – –
1
2

ECBK Hedge Fund Activity: Q1 2025 in Review

27 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in ECB Bancorp (ECBK) for Q1 2025, worth a combined $33.3M — up 0.72% from $33M a quarter earlier.

Buyers outnumbered sellers: 6 funds opened new ECBK positions and 5 closed out — a net gain of 1 holder — while 8 added to existing stakes and 6 trimmed.

The largest buyer was Millennium Management, opening a new position worth an estimated $677K. The largest seller was Castalian Partners, exiting entirely with an estimated $1.28M sold.

  • 27 institutional investors held ECB Bancorp (ECBK) as of Q1 2025, up from 26 in Q4 2024.
  • Funds reported $33.3M of ECB Bancorp stock for Q1 2025, up 0.72% quarter-over-quarter.
  • 6 funds opened new ECB Bancorp positions in Q1 2025 and 5 closed out, a net change of +1 holder.
  • The largest ECB Bancorp buyer in Q1 2025 was Millennium Management, an estimated $677K added.
  • The largest ECB Bancorp seller in Q1 2025 was Castalian Partners, an estimated $1.28M sold.

Based on aggregated 13F filings for Q1 2025.