Waterstone Financial
WSBF
102 hedge funds and large institutions have $143M invested in Waterstone Financial in 2025 Q3 according to their latest regulatory filings, with 13 funds opening new positions, 38 increasing their positions, 31 reducing their positions, and 7 closing their positions.
86% more first-time investments, than exits
New positions opened: 13 | Existing positions closed: 7
23% more repeat investments, than reductions
Existing positions increased: 38 | Existing positions reduced: 31
11% more capital invested
Capital invested by funds: $129M → $143M (+$14.2M)
6% more funds holding
Funds holding: 96 → 102 (+6)
0.74% more ownership
Funds ownership: 48.29% → 49.02% (+0.74%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
+$1.21M |
| 2 |
FL
Fourthstone LLC
St Louis,
Missouri
|
+$937K |
| 3 |
QCM
Quantinno Capital Management
New York
|
+$913K |
| 4 |
Goldman Sachs
New York
|
+$691K |
| 5 |
Marshall Wace
London,
United Kingdom
|
+$407K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BCM
Bridgeway Capital Management
Houston,
Texas
|
-$2.77M |
| 2 |
BlackRock
New York
|
-$2.01M |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$529K |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
-$496K |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$494K |
WSBF Hedge Fund Activity: Q3 2025 in Review
102 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Waterstone Financial (WSBF) for Q3 2025, worth a combined $143M — up 11% from $129M a quarter earlier.
Buyers outnumbered sellers: 13 funds opened new WSBF positions and 7 closed out — a net gain of 6 holders — while 38 added to existing stakes and 31 trimmed.
The largest buyer was AQR Capital Management, adding an estimated $1.21M. The largest seller was Bridgeway Capital Management, cutting an estimated $2.77M.
- 102 institutional investors held Waterstone Financial (WSBF) as of Q3 2025, up from 96 in Q2 2025.
- Funds reported $143M of Waterstone Financial stock for Q3 2025, up 11% quarter-over-quarter.
- 13 funds opened new Waterstone Financial positions in Q3 2025 and 7 closed out, a net change of +6 holders.
- The largest Waterstone Financial buyer in Q3 2025 was AQR Capital Management, an estimated $1.21M added.
- The largest Waterstone Financial seller in Q3 2025 was Bridgeway Capital Management, an estimated $2.77M sold.
Based on aggregated 13F filings for Q3 2025.