WATERSTONE FINL INC MD (WSBF): Institutional Ownership
Hedge funds and institutional managers reporting a position in WSBF · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
7
13F filers
Aggregate Value
$22.1M
Across holders
Last Price
$20.36
2026-06-26
Sector
Financials
GICS
Holder activity1 new2 added3 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 1.09M | $19.7M | 89.1% | 0.0% | Reduced | $-410K | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 86K | $1.5M | 7.0% | 0.0% | Added | +$184K | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 28K | $502K | 2.3% | 0.0% | Added | +$294K | Q1 2026 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 10K | $180K | 0.8% | 0.0% | Unchanged | +$0 | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 7K | $114K | 0.5% | 0.0% | New | — | Q3 2025 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 4K | $67K | 0.3% | 0.0% | Reduced | $-131K | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 1 | $18 | 0.0% | 0.0% | Reduced | $-3.5M | Q1 2026 |
Reduced
Hedge Fund
$19.7M· 89.1% of total· 0.0% port· 1.09M sh· $-410K QoQ· Q1 2026
Added
Hedge Fund
$1.5M· 7.0% of total· 0.0% port· 86K sh· +$184K QoQ· Q1 2026
Added
Hedge Fund
$502K· 2.3% of total· 0.0% port· 28K sh· +$294K QoQ· Q1 2026
Unchanged
Institutional Manager
$180K· 0.8% of total· 0.0% port· 10K sh· +$0 QoQ· Q1 2026
New
Hedge Fund
$114K· 0.5% of total· 0.0% port· 7K sh· — QoQ· Q3 2025
Reduced
Hedge Fund
$67K· 0.3% of total· 0.0% port· 4K sh· $-131K QoQ· Q1 2026
Reduced
Hedge Fund
$18· 0.0% of total· 0.0% port· 1 sh· $-3.5M QoQ· Q1 2026