ESPEY MFG & ELECTRONICS CORP (ESP) Institutional Ownership Changes & 13F Activity

ESPEY MFG & ELECTRONICS CORP (ESP) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2018Renaissance Technologies LLCBuy2,687144,487$4,318
Q1 2018Renaissance Technologies LLCBuy1,900141,800$3,715
Q4 2017Renaissance Technologies LLCBuy9,201139,900$3,352
Q3 2017Renaissance Technologies LLCBuy10,899130,699$2,941
Q2 2017Renaissance Technologies LLCBuy2,300119,800$2,686
Q1 2017Renaissance Technologies LLCBuy2,400117,500$2,703
Q4 2016Renaissance Technologies LLCBuy1,300115,100$2,999
Q3 2016Renaissance Technologies LLCBuy2,400113,800$2,876
Q2 2016Renaissance Technologies LLCBuy1,100111,400$2,898
Q1 2016Renaissance Technologies LLCBuy2,000110,300$2,713
Q4 2015Renaissance Technologies LLCBuy900108,300$2,789
Q3 2015Renaissance Technologies LLCBuy600107,400$2,637
Q2 2015Renaissance Technologies LLCSell-800106,800$2,777
Q1 2015Renaissance Technologies LLCBuy1,900107,600$3,187
Q4 2014Renaissance Technologies LLCBuy3,000105,700$2,516
Q3 2014Renaissance Technologies LLCBuy3,500102,700$2,067
Q2 2014Renaissance Technologies LLCBuy4,60099,200$2,492
Q1 2014Renaissance Technologies LLCBuy4,50094,600$2,578
Q4 2013Renaissance Technologies LLCBuy12,50090,100$2,941
Q3 2013Renaissance Technologies LLCBuy3,80077,600$2,219
Q2 2013Renaissance Technologies LLCBuy73,80073,800$1,897

Frequently asked questions about ESP activity

  • Which institutional owners are buying ESP?

    Institutional owners buying ESP 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 ESP activity?

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

  • Is institutional interest in ESP increasing?

    Institutional interest in ESP 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.