ULTRALIFE CORP (ULBI) Institutional Ownership Changes & 13F Activity

ULTRALIFE CORP (ULBI). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. 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
Q1 2026Renaissance Technologies LLCSell-12,900198,090$1,291,547
Q4 2025Renaissance Technologies LLCSell-3,600210,990$1,206,863
Q3 2025Renaissance Technologies LLCSell-21,600214,590$1,463,504
Q2 2025Renaissance Technologies LLCSell-62,600236,190$2,120,986
Q1 2025Renaissance Technologies LLCBuy42,700298,790$1,607,490
Q4 2024Renaissance Technologies LLCBuy26,700256,090$1,907,871
Q3 2024Renaissance Technologies LLCSell-13,100229,390$2,073,686
Q2 2024Renaissance Technologies LLCBuy20,300242,490$2,575,244
Q1 2024Renaissance Technologies LLCSell-50,774222,190$1,957
Q4 2023Renaissance Technologies LLCBuy55,074272,964$1,862
Q3 2023Renaissance Technologies LLCBuy24,200217,890$2,127
Q2 2023Renaissance Technologies LLCBuy17,000193,690$937
Q1 2023Renaissance Technologies LLCBuy8,600176,690$710
Q4 2022Renaissance Technologies LLCSell-11,800168,090$649
Q3 2022Renaissance Technologies LLCSell-699179,890$865
Q2 2022Renaissance Technologies LLCSell-10,756180,589$822
Q1 2022Renaissance Technologies LLCSell-64,745191,345$1,028
Q4 2021Renaissance Technologies LLCBuy10,332256,090$1,547
Q3 2021Renaissance Technologies LLCSell-41,045245,758$1,750
Q2 2021Renaissance Technologies LLCSell-95,787286,803$2,403
Q1 2021Renaissance Technologies LLCBuy133,900382,590$3,168
Q4 2020Renaissance Technologies LLCBuy400248,690$1,609
Q3 2020Renaissance Technologies LLCSell-14,774248,290$1,465
Q2 2020Renaissance Technologies LLCBuy28,300263,064$1,844
Q1 2020Renaissance Technologies LLCSell-56,500234,764$1,221
Q4 2019Renaissance Technologies LLCSell-17,008291,264$2,152
Q3 2019Renaissance Technologies LLCSell-29,728308,272$2,670
Q2 2019Renaissance Technologies LLCBuy23,945338,000$2,687
Q1 2019Renaissance Technologies LLCBuy48,055314,055$3,225
Q4 2018Renaissance Technologies LLCBuy7,900266,000$1,796

Frequently asked questions about ULBI activity

  • Which institutional owners are buying ULBI?

    Institutional owners buying ULBI 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 ULBI activity?

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

  • Is institutional interest in ULBI increasing?

    Institutional interest in ULBI 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.

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