WATERSTONE FINANCIAL INC (WSBF) Stock Institutional Trading Activity


WATERSTONE FINANCIAL INC (WSBF) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCSell-34,4001,117,236$18,490,256
Q3 2025Renaissance Technologies LLCBuy16,7001,151,636$17,965,522
Q2 2025Renaissance Technologies LLCSell-21,1001,134,936$15,673,466
Q1 2025Renaissance Technologies LLCSell-36,8001,156,036$15,548,684
Q4 2024Renaissance Technologies LLCSell-32,9801,192,836$16,031,716
Q3 2024Renaissance Technologies LLCSell-35,4201,225,816$18,019,495
Q2 2024Renaissance Technologies LLCSell-25,0001,261,236$16,131,208
Q1 2024Renaissance Technologies LLCBuy13,1001,286,236$15,653
Q4 2023Renaissance Technologies LLCSell-71,1001,273,136$18,079
Q3 2023Renaissance Technologies LLCBuy30,5001,344,236$14,719
Q2 2023Renaissance Technologies LLCSell-13,6001,313,736$19,036
Q1 2023Renaissance Technologies LLCSell-19,3001,327,336$20,083
Q4 2022Renaissance Technologies LLCSell-89,7001,346,636$23,216
Q3 2022Renaissance Technologies LLCSell-121,3001,436,336$23,211
Q2 2022Renaissance Technologies LLCSell-153,3341,557,636$26,558
Q1 2022Renaissance Technologies LLCSell-80,7331,710,970$33,090
Q4 2021Renaissance Technologies LLCSell-55,3331,791,703$39,167
Q3 2021Renaissance Technologies LLCBuy51,1001,847,036$37,846
Q2 2021Renaissance Technologies LLCSell-24,1001,795,936$35,308
Q1 2021Renaissance Technologies LLCSell-90,0081,820,036$37,165
Q4 2020Renaissance Technologies LLCSell-84,5001,910,044$35,947
Q3 2020Renaissance Technologies LLCSell-15,0001,994,544$30,895
Q2 2020Renaissance Technologies LLCSell-57,4002,009,544$29,802
Q1 2020Renaissance Technologies LLCSell-71,8562,066,944$30,053
Q4 2019Renaissance Technologies LLCSell-11,5002,138,800$40,701
Q3 2019Renaissance Technologies LLCBuy19,7002,150,300$36,942
Q2 2019Renaissance Technologies LLCSell-49,7522,130,600$36,348
Q1 2019Renaissance Technologies LLCSell-89,8932,180,352$35,889
Q4 2018Renaissance Technologies LLCSell-179,9292,270,245$38,049
Q3 2018Renaissance Technologies LLCBuy27,7892,450,174$42,020

Frequently asked questions about WSBF activity

  • Which institutional owners are buying WSBF?

    Institutional owners buying WSBF include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in WSBF activity?

    "Buy" means an investor increased their reported position in WSBF compared to the prior reporting period. This reflects growing exposure to WATERSTONE FINANCIAL INC (WSBF) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in WSBF increasing?

    Institutional interest in WSBF can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.