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
Q1 2018Renaissance Technologies LLCBuy22,2112,422,385$41,907
Q4 2017Renaissance Technologies LLCBuy36,7002,400,174$40,923
Q3 2017Renaissance Technologies LLCBuy4,8932,363,474$46,088
Q2 2017Renaissance Technologies LLCSell-43,9932,358,581$44,459
Q1 2017Renaissance Technologies LLCBuy39,3002,402,574$43,847
Q4 2016Renaissance Technologies LLCBuy107,4002,363,274$43,484
Q3 2016Renaissance Technologies LLCBuy135,2002,255,874$38,327
Q2 2016Renaissance Technologies LLCSell-32,7002,120,674$32,510
Q1 2016Renaissance Technologies LLCBuy67,4002,153,374$29,458
Q4 2015Renaissance Technologies LLCSell-120,6002,085,974$29,412
Q3 2015Renaissance Technologies LLCBuy243,2192,206,574$29,745
Q2 2015Renaissance Technologies LLCBuy455,4741,963,355$25,916
Q1 2015Renaissance Technologies LLCBuy61,0001,507,881$19,361
Q4 2014Renaissance Technologies LLCBuy108,6611,446,881$19,026
Q3 2014Renaissance Technologies LLCBuy147,9791,338,220$15,456
Q2 2014Renaissance Technologies LLCBuy439,4421,190,241$13,581
Q1 2014Renaissance Technologies LLCBuy750,799750,799$7,801

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.