Ultralife
ULBI
60 hedge funds and large institutions have $32.1M invested in Ultralife in 2025 Q4 according to their latest regulatory filings, with 4 funds opening new positions, 15 increasing their positions, 25 reducing their positions, and 4 closing their positions.
0% more first-time investments, than exits
New positions opened: 4 | Existing positions closed: 4
0.61% less ownership
Funds ownership: 34.31% → 33.7% (-0.61%)
5% less funds holding
Funds holding: 63 → 60 (-3)
18% less capital invested
Capital invested by funds: $38.9M → $32.1M (-$6.85M)
40% less repeat investments, than reductions
Existing positions increased: 15 | Existing positions reduced: 25
Top Buyers
Top Sellers
| 1 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$509K |
| 2 |
AA
Ancora Advisors
Cleveland,
Ohio
|
-$365K |
| 3 |
Millennium Management
New York
|
-$342K |
| 4 |
Walleye Capital
New York
|
-$159K |
| 5 |
JWS
Juncture Wealth Strategies
Scottsdale,
Arizona
|
-$125K |
ULBI Hedge Fund Activity: Q4 2025 in Review
60 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Ultralife (ULBI) for Q4 2025, worth a combined $32.1M — down 18% from $38.9M a quarter earlier.
Fund positioning in ULBI was balanced in Q4 2025: 4 funds opened new positions, 4 closed out, 15 added to existing stakes and 25 trimmed.
The largest buyer was Sentinus LLC, opening a new position worth an estimated $432K. The largest seller was Arrowstreet Capital, cutting an estimated $509K.
- 60 institutional investors held Ultralife (ULBI) as of Q4 2025, down from 63 in Q3 2025.
- Funds reported $32.1M of Ultralife stock for Q4 2025, down 18% quarter-over-quarter.
- 4 funds opened new Ultralife positions in Q4 2025 and 4 closed out, a net change of 0 holders.
- The largest Ultralife buyer in Q4 2025 was Sentinus LLC, an estimated $432K added.
- The largest Ultralife seller in Q4 2025 was Arrowstreet Capital, an estimated $509K sold.
Based on aggregated 13F filings for Q4 2025.