Renaissance Technologies (RenTech)'s WSBF Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 1.09 M shares of Waterstone Financial, Inc. (WSBF) worth $19.73 M, representing 0.03% of the portfolio. First purchased in 2014-Q1, this long-term strategic position has been held for 49 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in WSBF, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2015, adding 455,474 shares. Largest reduction occurred in Q4 2018, reducing 179,929 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Waterstone Financial (WSBF) Holding Value Over Time
Track share changes against reported price movement
Quarterly Waterstone Financial (WSBF) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -22,765 | Reduce 2.04% | 1.09 M | $18.03 |
| Q4 2025 | -34,400 | Reduce 2.99% | 1.12 M | $16.55 |
| Q3 2025 | +16,700 | Add 1.47% | 1.15 M | $15.60 |
| Q2 2025 | -21,100 | Reduce 1.83% | 1.13 M | $13.81 |
| Q1 2025 | -36,800 | Reduce 3.09% | 1.16 M | $13.45 |
| Q4 2024 | -32,980 | Reduce 2.69% | 1.19 M | $13.44 |
| Q3 2024 | -35,420 | Reduce 2.81% | 1.23 M | $14.70 |
| Q2 2024 | -25,000 | Reduce 1.94% | 1.26 M | $12.79 |
| Q1 2024 | +13,100 | Add 1.03% | 1.29 M | $12.17 |
| Q4 2023 | -71,100 | Reduce 5.29% | 1.27 M | $14.20 |
| Q3 2023 | +30,500 | Add 2.32% | 1.34 M | $10.95 |
| Q2 2023 | -13,600 | Reduce 1.02% | 1.31 M | $0.01 |
| Q1 2023 | -19,300 | Reduce 1.43% | 1.33 M | $0.02 |
| Q4 2022 | -89,700 | Reduce 6.25% | 1.35 M | $0.02 |
| Q3 2022 | -121,300 | Reduce 7.79% | 1.44 M | $16.16 |
| Q2 2022 | -153,334 | Reduce 8.96% | 1.56 M | $17.05 |
| Q1 2022 | -80,733 | Reduce 4.51% | 1.71 M | $19.34 |
| Q4 2021 | -55,333 | Reduce 3.00% | 1.79 M | $21.86 |
| Q3 2021 | +51,100 | Add 2.85% | 1.85 M | $20.49 |
| Q2 2021 | -24,100 | Reduce 1.32% | 1.8 M | $19.66 |
| Q1 2021 | -90,008 | Reduce 4.71% | 1.82 M | $20.42 |
| Q4 2020 | -84,500 | Reduce 4.24% | 1.91 M | $18.82 |
| Q3 2020 | -15,000 | Reduce 0.75% | 1.99 M | $15.49 |
| Q2 2020 | -57,400 | Reduce 2.78% | 2.01 M | $14.83 |
| Q1 2020 | -71,856 | Reduce 3.36% | 2.07 M | $14.54 |
| Q4 2019 | -11,500 | Reduce 0.53% | 2.14 M | $19.03 |
| Q3 2019 | +19,700 | Add 0.92% | 2.15 M | $17.18 |
| Q2 2019 | -49,752 | Reduce 2.28% | 2.13 M | $17.06 |
| Q1 2019 | -89,893 | Reduce 3.96% | 2.18 M | $16.46 |
| Q4 2018 | -179,929 | Reduce 7.34% | 2.27 M | $16.76 |
| Q3 2018 | -300 | Reduce 0.01% | 2.45 M | $17.15 |
| Q2 2018 | +28,089 | Add 1.16% | 2.45 M | $17.05 |
| Q1 2018 | +22,211 | Add 0.93% | 2.42 M | $17.30 |
| Q4 2017 | +36,700 | Add 1.55% | 2.4 M | $17.05 |
| Q3 2017 | +4,893 | Add 0.21% | 2.36 M | $19.50 |
| Q2 2017 | -43,993 | Reduce 1.83% | 2.36 M | $18.85 |
| Q1 2017 | +39,300 | Add 1.66% | 2.4 M | $18.25 |
| Q4 2016 | +107,400 | Add 4.76% | 2.36 M | $18.40 |
| Q3 2016 | +135,200 | Add 6.38% | 2.26 M | $16.99 |
| Q2 2016 | -32,700 | Reduce 1.52% | 2.12 M | $15.33 |
| Q1 2016 | +67,400 | Add 3.23% | 2.15 M | $13.68 |
| Q4 2015 | -120,600 | Reduce 5.47% | 2.09 M | $14.10 |
| Q3 2015 | +243,219 | Add 12.39% | 2.21 M | $13.48 |
| Q2 2015 | +455,474 | Add 30.21% | 1.96 M | $13.20 |
| Q1 2015 | +61,000 | Add 4.22% | 1.51 M | $12.84 |
| Q4 2014 | +108,661 | Add 8.12% | 1.45 M | $13.15 |
| Q3 2014 | +147,979 | Add 12.43% | 1.34 M | $11.55 |
| Q2 2014 | +439,442 | Add 58.53% | 1.19 M | $11.41 |
| Q1 2014 | +750,799 | New Buy | 750,799 | $10.39 |
Renaissance Technologies (RenTech)'s Waterstone Financial Investment FAQs
Renaissance Technologies (RenTech) first purchased Waterstone Financial, Inc. (WSBF) in Q1 2014, acquiring 750,799 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held Waterstone Financial, Inc. (WSBF) for 49 quarters since Q1 2014.
Renaissance Technologies (RenTech)'s largest addition to Waterstone Financial, Inc. (WSBF) was in Q1 2014, adding 750,799 shares worth $7.8 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 1,094,471 shares of Waterstone Financial, Inc. (WSBF), valued at approximately $19.73 M.
As of the Q1 2026 filing, Waterstone Financial, Inc. (WSBF) represents approximately 0.03% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Waterstone Financial, Inc. (WSBF) was 2,450,474 shares, as reported at the end of Q2 2018.