UltralifeULBI

13F holders, Q4 2025 (December 31)
60holders −3
4new positions
4sold out
2famous investors
$5.72avg. 13F price*

At the end of Q4 2025, 60 institutions reported holding Ultralife Corp. (ULBI) in their 13F filings, down 3 from Q3 2025. 4 opened new positions and 4 sold out. The largest holders were Visionary Wealth Advisors ($6.2M), Dimensional Fund Advisors LP ($5.7M) and Vanguard Group Inc. ($2.9M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Ultralife Corp.
CUSIP
903899102
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q1 2024: 62Q1 2024Q2 2024: 72Q2 2024Q3 2024: 74Q3 2024Q4 2024: 67Q4 2024Q1 2025: 70Q1 2025Q2 2025: 63Q2 2025Q3 2025: 63Q3 2025Q4 2025: 60Q4 2025Q1 2026: 50Q1 2026Q2 2026: 52Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions4$617K
Exits4$551K

All 13F filers, Q3 2025 → Q4 2025: 220,242 shares bought and 302,440 shares sold, net −82,198 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 60 holders

Visionary Wealth Advisors 0.28% Reduce -0.4% 1,090,207 $6.2M
Dimensional Fund Advisors LP 0.00% Reduce -1.0% 1,000,664 $5.7M
Vanguard Group Inc. 0.00% Add +1.6% 513,593 $2.9M
Janney Montgomery Scott LLC 0.01% Add +6.8% 507,800 $2.9M
Truffle Hound Capital, LLC 0.84% No change 250,000 $1.4M
RBF Capital, LLC 0.06% No change 225,000 $1.3M
Renaissance Technologies 0.00% Reduce -1.7% 210,990 $1.2M
Connor, Clark & Lunn Investment Management Ltd. 0.00% Reduce -0.1% 151,728 $868K
BlackRock, Inc. 0.00% Add +0.2% 146,099 $836K
Arrowstreet Capital, Limited Partnership 0.00% Reduce -37.7% 136,461 $781K
Geode Capital Management, LLC 0.00% Add +0.9% 119,957 $686K
Raymond James Financial Inc. 0.00% Reduce -2.8% 112,759 $645K
Teton Advisors, LLC 0.43% Reduce -1.1% 109,000 $623K
Citadel Advisors 0.00% Add +13.8% 92,113 $527K
Acadian Asset Management LLC 0.00% Reduce -2.5% 83,799 $477K
Perritt Capital Management Inc 0.67% Add +7.7% 70,000 $400K
Rothschild Wealth LLC 0.04% New 70,000 $400K
LSV Asset Management 0.00% No change 64,500 $369K
Bridgeway Capital Management, LLC 0.01% No change 59,579 $341K
Two Sigma Investments, LP 0.00% Add +41.2% 57,387 $328K
Russell Investments Group, Ltd. 0.00% No change 48,997 $280K
Ancora Advisors LLC 0.01% Reduce -56.2% 46,149 $264K
Goldman Sachs Group Inc. 0.00% Add +81.9% 42,570 $244K
State Street Corp. 0.00% No change 40,720 $233K
Susquehanna International Group, LLP 0.00% Add +44.6% 40,014 $229K
Walleye Capital LLC 0.00% Reduce -40.5% 37,905 $217K
Ameriprise Financial Inc. 0.00% No change 36,592 $209K
Marshall Wace, LLP 0.00% Reduce -10.6% 34,049 $195K
Northern Trust Corp. 0.00% Reduce -0.6% 29,473 $169K
Heron Bay Capital Management 0.02% New 22,223 $127K
Pitti Group Wealth Management, LLC 0.10% Add +13.7% 20,443 $117K
Man Group plc 0.00% No change 16,290 $93K
XTX Topco Ltd 0.00% Add +19.9% 15,456 $88K
Squarepoint Ops LLC 0.00% Reduce -13.3% 13,824 $79K
American Century Companies Inc. 0.00% No change 13,747 $79K
Jane Street Group, LLC 0.00% New 13,145 $75K
Bank of New York Mellon Corp 0.00% Reduce -45.8% 12,730 $73K
Prelude Capital Management, LLC 0.00% Add +11.5% 11,641 $67K
Two Sigma Advisers, LP 0.00% Add +1.8% 11,600 $66K
IFP Advisors, Inc 0.00% Reduce -0.0% 8,600 $49K
Morgan Stanley 0.00% Reduce -6.1% 6,147 $35K
Bank of America Corp. 0.00% Reduce -61.1% 5,190 $30K
UBS Group AG 0.00% Add +0.2% 4,583 $26K
JPMorgan Chase & Co. 0.00% New 2,492 $14K
Royal Bank of Canada 0.00% Reduce -10.3% 1,135 $6K
Jones Financial Companies LLLP 0.00% No change 1,000 $6K
Tower Research Capital LLC (TRC) 0.00% Reduce -42.4% 690 $4K
Rhumbline Advisers 0.00% No change 604 $3K
Capital Advisors, Ltd. LLC 0.00% No change 580 $3K
FMR LLC 0.00% Reduce -64.9% 358 $2K
Smartleaf Asset Management LLC 0.00% No change 300 $2K
Nisa Investment Advisors, LLC 0.00% No change 236 $1K
GAMMA Investing LLC 0.00% Reduce -36.0% 142 $812
Optiver Holding B.V. 0.00% Add +0.8% 129 $738
BNP Paribas Financial Markets 0.00% No change 67 $383
Group One Trading LLC 0.00% No change 3 $17
Barclays PLC 0.00% Reduce -99.9% 2 $11
SBI Securities Co., Ltd. 0.00% Reduce -98.1% 2 $11
Citigroup Inc. 0.00% Reduce -96.5% 1 $6
Cwm, LLC 0.00% Reduce -47.5% 31 $0

"% of holder's portfolio" is ULBI's weight in each manager's 13F, not the share of Ultralife Corp. the manager owns.