Waterstone Financial
WSBF
112 hedge funds and large institutions have $152M invested in Waterstone Financial in 2025 Q4 according to their latest regulatory filings, with 18 funds opening new positions, 34 increasing their positions, 47 reducing their positions, and 5 closing their positions.
260% more first-time investments, than exits
New positions opened: 18 | Existing positions closed: 5
10% more funds holding
Funds holding: 102 → 112 (+10)
7% more capital invested
Capital invested by funds: $143M → $152M (+$9.31M)
0.79% more ownership
Funds ownership: 49.02% → 49.81% (+0.79%)
28% less repeat investments, than reductions
Existing positions increased: 34 | Existing positions reduced: 47
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DSC
Donald Smith & Co
New York
|
+$2M |
| 2 |
FL
Fourthstone LLC
St Louis,
Missouri
|
+$1.12M |
| 3 |
AQR Capital Management
Greenwich,
Connecticut
|
+$562K |
| 4 |
American Century Companies
Kansas City,
Missouri
|
+$502K |
| 5 |
MAM
Martingale Asset Management
Boston,
Massachusetts
|
+$305K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$846K |
| 2 |
BCM
Bridgeway Capital Management
Houston,
Texas
|
-$724K |
| 3 |
BlackRock
New York
|
-$692K |
| 4 |
Renaissance Technologies
New York
|
-$539K |
| 5 |
Marshall Wace
London,
United Kingdom
|
-$444K |
WSBF Hedge Fund Activity: Q4 2025 in Review
112 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Waterstone Financial (WSBF) for Q4 2025, worth a combined $152M — up 6.5% from $143M a quarter earlier.
Buyers outnumbered sellers: 18 funds opened new WSBF positions and 5 closed out — a net gain of 13 holders — while 34 added to existing stakes and 47 trimmed.
The largest buyer was Donald Smith & Co, opening a new position worth an estimated $2M. The largest seller was Citadel Advisors, cutting an estimated $846K.
- 112 institutional investors held Waterstone Financial (WSBF) as of Q4 2025, up from 102 in Q3 2025.
- Funds reported $152M of Waterstone Financial stock for Q4 2025, up 6.5% quarter-over-quarter.
- 18 funds opened new Waterstone Financial positions in Q4 2025 and 5 closed out, a net change of +13 holders.
- The largest Waterstone Financial buyer in Q4 2025 was Donald Smith & Co, an estimated $2M added.
- The largest Waterstone Financial seller in Q4 2025 was Citadel Advisors, an estimated $846K sold.
Based on aggregated 13F filings for Q4 2025.