Equibles

ULBI

Ultralife Corp

Company with tickers: ULBI

CIK
875657
CUSIP
903899102
Shares Outstanding
16,656,669
13F Activity (30d)
47 filings 45 filers
Holders: 50
Total Value: $34,726,080
Total Shares: 5,326,090

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 50 13F filers · Δ vs Dec 31, 2025
Top Holder
20.8%
Jun 2023 → Mar 2026 · range 18.2% – 25.4%
+1.3 pts
Top 5
62.5%
Jun 2023 → Mar 2026 · range 58.4% – 78.2%
+2.5 pts
Top 10
78.6%
Jun 2023 → Mar 2026 · range 74.7% – 94.7%
+3.1 pts
HHI
1,054
Jun 2023 → Mar 2026 · range 921 – 1,558
Broadly held +94

Quarterly Activity

vs Dec 31, 2025
New
5
Increased
15
Decreased
15
Sold Out
15
Unchanged
15
Holder count: -10
Institutional value: +8.2%
Shares held: -5.1%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large Russell Investments Group, Ltd. +32,794 81,791
Mega RAYMOND JAMES FINANCIAL INC +26,574 139,333
Small Visionary Wealth Advisors +15,947 1,106,154
Large Janney Montgomery Scott LLC +10,200 518,000
Mid Ancora Advisors LLC +10,020 56,169

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega CITADEL ADVISORS LLC −50,812 41,301
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP −23,512 16,502
Large MARSHALL WACE, LLP −22,971 11,078
Large RENAISSANCE TECHNOLOGIES LLC −12,900 198,090
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP −9,708 126,753

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 457,837 $2,985,097
Mega VANGUARD FIDUCIARY TRUST CO 63,066 $411,190
Mega Vanguard Global Advisers, LLC 2,046 $13,339
Large OSAIC HOLDINGS, INC. 300 $1,956
Small Caitong International Asset Management Co., Ltd 32 $208

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 513,593 $2,937,751
Micro Perritt Capital Management Inc 70,000 $400,400
Small Rothschild Wealth LLC 70,000 $400,400
Mega GOLDMAN SACHS GROUP INC 42,570 $243,500
Mid Heron Bay Capital Management 22,223 $127,115
Filter: New 5 Increased 15 Reduced 15 Sold out 15 Unchanged 15
Showing 50 of 50
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Small Visionary Wealth Advisors $7,212,124 20.77% 1,106,154
Mega DIMENSIONAL FUND ADVISORS LP $6,486,394 18.68% 994,846
Large Janney Montgomery Scott LLC $3,377,360 9.73% 518,000
Mega VANGUARD CAPITAL MANAGEMENT LLC $2,985,097 8.60% 457,837
Small Truffle Hound Capital, LLC $1,630,000 4.69% 250,000
Mid RBF Capital, LLC $1,426,015 4.11% 218,714
Large RENAISSANCE TECHNOLOGIES LLC $1,291,546 3.72% 198,090
Large Connor, Clark & Lunn Investment Management Ltd. $1,010,736 2.91% 155,021
Mega BlackRock, Inc. $953,699 2.75% 146,273
Mega RAYMOND JAMES FINANCIAL INC $908,451 2.62% 139,333
Mega GEODE CAPITAL MANAGEMENT, LLC $830,249 2.39% 127,339
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $826,429 2.38% 126,753
Small Teton Advisors, LLC $710,680 2.05% 109,000
Large ACADIAN ASSET MANAGEMENT LLC $546,369 1.57% 83,799
Large Russell Investments Group, Ltd. $533,275 1.54% 81,791
Large LSV ASSET MANAGEMENT $420,540 1.21% 64,500
Mega VANGUARD FIDUCIARY TRUST CO Bank $411,190 1.18% 63,066
Mega TWO SIGMA INVESTMENTS, LP $405,707 1.17% 62,225
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $388,455 1.12% 59,579
Mid Ancora Advisors LLC $366,221 1.05% 56,169
Mega STATE STREET CORP $279,186 0.80% 42,820
Mega CITADEL ADVISORS LLC $269,282 0.78% 41,301
Mega AMERIPRISE FINANCIAL INC $235,698 0.68% 36,150
Large Walleye Capital LLC $214,377 0.62% 32,880
Mega NORTHERN TRUST CORP Bank $190,586 0.55% 29,231
Large Man Group plc $150,546 0.43% 23,090
Micro Pitti Group Wealth Management, LLC $133,288 0.38% 20,443
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $107,593 0.31% 16,502
Mega AMERICAN CENTURY COMPANIES INC $89,630 0.26% 13,747
Mega UBS Group AG $82,712 0.24% 12,686
Large MARSHALL WACE, LLP $72,228 0.21% 11,078
Mega Bank of New York Mellon Corp Bank $67,826 0.20% 10,403
Mega MORGAN STANLEY $37,189 0.11% 5,704
Mid IFP Advisors, Inc $19,560 0.06% 3,000
Mega JPMORGAN CHASE & CO $16,319 0.05% 2,503
Mega Vanguard Global Advisers, LLC $13,339 0.04% 2,046
Mega ROYAL BANK OF CANADA Bank $8,684 0.03% 1,332
Mega RHUMBLINE ADVISERS $3,938 0.01% 604
Small Capital Advisors, Ltd. LLC $3,781 0.01% 580
Large OSAIC HOLDINGS, INC. $1,956 0.01% 300
Mid Smartleaf Asset Management LLC $1,956 0.01% 300
Mega FMR LLC $1,734 0.00% 266
Large NISA INVESTMENT ADVISORS, LLC $1,538 0.00% 236
Mid GAMMA Investing LLC $925 0.00% 142
Mid Optiver Holding B.V. $841 0.00% 129
Mega BNP PARIBAS ARBITRAGE, SA $436 0.00% 67
Small Caitong International Asset Management Co., Ltd $208 0.00% 32
Large CWM, LLC $149 0.00% 23
Mid SBI Securities Co., Ltd. Broker-Dealer $19 0.00% 3
Mid GROUP ONE TRADING LLC $19 0.00% 3

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