ULTRALIFE CORP (ULBI) is held by 33 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is DIMENSIONAL FUND ADVISORS LP as of Q1 2026.

Are institutions buying or selling ULBI?

In Q1 2026, 15 institutions opened or increased positions in ULTRALIFE CORP while 21 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on ULBI?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ULTRALIFE CORP.

How many hedge funds hold ULBI?

33 institutional investors report holding ULTRALIFE CORP (ULBI) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into ULBI?

As of Q1 2026, tracked institutions in ULTRALIFE CORP show 15 buyers versus 21 sellers — net outflows.

ULTRALIFE CORP

ULBI·903899102·US·Common Stock·Industrials - Electrical Equipment & Parts-Activist

Holders

Avg rating(6 Elite)

$18.5M

Total Value

42% (42)

Fund Consensus

15 buying - 21 selling

Smart Money Verdict

View all

Held by 33 funds

6 elite

Who's Trading

InsiderWTWHITMORE BRADFORD TBuy $359KMar 16, 2026

ActivistWBWHITMORE BRADFORD T39.6%Mar 16, 2026

InsiderWTWHITMORE BRADFORD TBuy $636KMar 13, 2026

InsiderWTWHITMORE BRADFORD TBuy $201KMar 12, 2026

InsiderMEManna Michael EdwardBuy $1KMar 12, 2026

InsiderMEManna Michael EdwardBuy $11KMar 12, 2026

ActivistVWVisionary Wealth Advisors6.6%Feb 13, 2026

InsiderWTWHITMORE BRADFORD TBuy $163KDec 16, 2025

InsiderWTWHITMORE BRADFORD TBuy $84KDec 15, 2025

InsiderGJGoddard JanieBuy $10KDec 15, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
DIMENSIONAL FUND ADVISORS LP	Decreased	994,846(-0.6%)	$6.5M	0.0%	+24.46%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	457,837	$3M	0.0%	+4.28%	36
RENAISSANCE TECHNOLOGIES LLC	Decreased	198,090(-6.1%)	$1.3M	0.0%	-18.75%	0
Connor, Clark & Lunn Investment Management Ltd.	Increased	155,021(+2.2%)	$1M	0.0%	-37.00%	26
BlackRock, Inc.	Increased	146,273(+0.1%)	$953,700	0.0%	-19.24%	17
RAYMOND JAMES FINANCIAL INC	Increased	139,333(+23.6%)	$908,452	0.0%	-11.79%	30
GEODE CAPITAL MANAGEMENT, LLC	Increased	127,339(+6.2%)	$830,802	0.0%	-33.20%	26
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	126,753(-7.1%)	$826,430	0.0%	-20.21%	0
Russell Investments Group, Ltd.	Increased	81,791(+66.9%)	$533,276	0.0%	-7.49%	36
VFVANGUARD FIDUCIARY TRUST CO	New	63,066	$411,190	0.0%	+4.28%	33
TWO SIGMA INVESTMENTS, LP	Increased	62,225(+8.4%)	$405,707	0.0%	-13.01%	26
STATE STREET CORP	Increased	42,820(+5.2%)	$279,186	0.0%	-32.58%	17
CITADEL ADVISORS LLC	Decreased	41,301(-55.2%)	$269,283	0.0%	-14.95%	0
AMERIPRISE FINANCIAL INC	Decreased	36,150(-1.2%)	$235,698	0.0%	-27.78%	0
Walleye Capital LLC	Decreased	32,880(-13.3%)	$214,378	0.0%	-26.80%	0
NORTHERN TRUST CORP	Decreased	29,231(-0.8%)	$190,586	0.0%	-29.05%	0
Man Group plc	Increased	23,090(+41.7%)	$150,547	0.0%	-9.59%	30
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Decreased	16,502(-58.8%)	$107,593	0.0%	-7.86%	0
AMERICAN CENTURY COMPANIES INC	Unchanged	13,747	$89,630	0.0%	-35.36%	0
UBS Group AG	Increased	12,686(+176.8%)	$82,713	0.0%	-11.24%	24