Waterstone Financial, Inc.
WSBF- Exchange
- Nasdaq
- Industry
- Savings Institution, Federally Chartered
- SEC CIK
- 0001569994
In the last 90 days, Waterstone Financial, Inc. insiders filed 0 open-market purchases and 1 sale; 125 institutions reported holding it in 13F filings for Q2 2026, worth $202.5M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Waterstone Financial, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 112
- +13 vs. Q3 2025
- Shares held
- 9.19M
- +47.9K (+0.5%) vs. Q3 2025
- Total value
- $152.1M
- +$9.49M (+6.7%) vs. Q3 2025
- New holders
- 18
- 34 more added
- Sold out
- 5
- 47 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting WSBF on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 125 | $202.5M |
| Q1 2026 | 123 | $169.7M |
| Q4 2025 | 112 | $152.1M |
| Q3 2025 | 102 | $142.8M |
| Q2 2025 | 96 | $128.7M |
| Q1 2025 | 95 | $130.8M |
| Q4 2024 | 92 | $131.1M |
| Q3 2024 | 88 | $146.4M |
| Q2 2024 | 82 | $126.8M |
| Q1 2024 | 86 | $122.9M |
| Q4 2023 | 88 | $146.2M |
| Q3 2023 | 92 | $114.2M |
| Q2 2023 | 93 | $164.0M |
| Q1 2023 | 101 | $178.2M |
| Q4 2022 | 106 | $206.1M |
| Q3 2022 | 100 | $195.6M |
| Q2 2022 | 97 | $214.5M |
| Q1 2022 | 114 | $262.5M |
| Q4 2021 | 110 | $305.6M |
| Q3 2021 | 110 | $290.2M |
| Q2 2021 | 104 | $278.3M |
| Q1 2021 | 109 | $293.5M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Waterstone Financial, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Arrowstreet Capital, Limited Partnership | 188,492 | $3.12M | 0.00% | −2,274−1.2% | Reduced |
| CSM Advisors, LLC | 191,295 | $3.17M | 0.09% | +285+0.1% | Added |
| American Century Companies Inc | 199,005 | $3.29M | 0.00% | +32,021+19.2% | Added |
| Bridgeway Capital Management, LLC | 199,616 | $3.30M | 0.07% | −46,142−18.8% | Reduced |
| Fourthstone LLC | 199,702 | $3.31M | 0.62% | +71,143+55.3% | Added |
| AQR Capital Management LLC | 201,704 | $3.34M | 0.00% | +35,828+21.6% | Added |
| Geode Capital Management, LLC | 370,663 | $6.14M | 0.00% | −13,083−3.4% | Reduced |
| State Street Corp | 411,802 | $6.82M | 0.00% | −11,491−2.7% | Reduced |
| Vanguard Group Inc | 885,971 | $14.7M | 0.00% | −23,147−2.5% | Reduced |
| Renaissance Technologies LLC | 1,117,236 | $18.5M | 0.03% | −34,400−3.0% | Reduced |
| Dimensional Fund Advisors LP | 1,415,149 | $23.4M | 0.00% | −12,136−0.9% | Reduced |
| BlackRock, Inc. | 1,532,723 | $25.4M | 0.00% | −44,103−2.8% | Reduced |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −28,431−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −17,363−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −15,695−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −10,305−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −10,280−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |