Ultralife
ULBI
50 hedge funds and large institutions have $34.7M invested in Ultralife in 2026 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 15 increasing their positions, 15 reducing their positions, and 13 closing their positions.
8% more capital invested
Capital invested by funds: $32.1M → $34.7M (+$2.63M)
0% more repeat investments, than reductions
Existing positions increased: 15 | Existing positions reduced: 15
1.73% less ownership
Funds ownership: 33.7% → 31.98% (-1.7%)
17% less funds holding
Funds holding: 60 → 50 (-10)
62% less first-time investments, than exits
New positions opened: 5 | Existing positions closed: 13
Top Buyers
Top Sellers
| 1 |
SL
Sentinus LLC
Oak Brook,
Illinois
|
-$400K |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$316K |
| 3 |
Goldman Sachs
New York
|
-$244K |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$146K |
| 5 |
Marshall Wace
London,
United Kingdom
|
-$143K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
SL
51
Sentinus LLC
Oak Brook,
Illinois
| – | -$400K | -70,000 | Closed |
|
|
52
Goldman Sachs
New York
| – | -$244K | -42,570 | Closed |
|
|
HBCM
53
Heron Bay Capital Management
Bloomfield Hills,
Michigan
| – | -$127K | -22,223 | Closed |
|
|
XT
54
XTX Topco
George Town,
Cayman Islands
| – | -$88.4K | -15,456 | Closed |
|
55
Squarepoint
New York
| – | -$79.1K | -13,824 | Closed |
|
56
Jane Street
New York
| – | -$75.2K | -13,145 | Closed |
|
|
PCM
57
Prelude Capital Management
New York
| – | -$66.6K | -11,641 | Closed |
|
58
Two Sigma Advisers
New York
| – | -$66.4K | -11,600 | Closed |
|
59
Bank of America
Charlotte,
North Carolina
| – | -$29.7K | -5,190 | Closed |
|
60
Jones Financial Companies
Des Peres,
Missouri
| – | -$5.72K | -1,000 | Closed |
|
|
TRCT
61
Tower Research Capital (TRC)
New York
| – | -$3.95K | -690 | Closed |
|
62
Barclays
London,
United Kingdom
| – | -$11 | -2 | Closed |
|
63
Citigroup
New York
| – | -$6 | -1 | Closed |
|
ULBI Hedge Fund Activity: Q1 2026 in Review
50 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Ultralife (ULBI) for Q1 2026, worth a combined $34.7M — up 8.2% from $32.1M a quarter earlier.
Sellers outnumbered buyers: 13 funds closed out of ULBI and 5 opened new positions — a net loss of 8 holders — while 15 trimmed existing stakes and 15 added.
The largest buyer was Russell Investments Group, adding an estimated $204K. The largest seller was Sentinus LLC, exiting entirely with an estimated $400K sold.
- 50 institutional investors held Ultralife (ULBI) as of Q1 2026, down from 60 in Q4 2025.
- Funds reported $34.7M of Ultralife stock for Q1 2026, up 8.2% quarter-over-quarter.
- 5 funds opened new Ultralife positions in Q1 2026 and 13 closed out, a net change of -8 holders.
- The largest Ultralife buyer in Q1 2026 was Russell Investments Group, an estimated $204K added.
- The largest Ultralife seller in Q1 2026 was Sentinus LLC, an estimated $400K sold.
Based on aggregated 13F filings for Q1 2026.