ULTRALIFE CORP (ULBI): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in ULBI · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
9
13F filers
Aggregate Value
$3.3M
Across holders
Last Price
$6.77
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity3 increased4 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 172K | $1.1M | 32.8% | 0.0% | Reduced | $-166K | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 127K | $801K | 24.2% | 0.0% | Unchanged | +$0 | Q2 2026 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 56K | $355K | 10.7% | 0.0% | Unchanged | +$0 | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 51K | $323K | 9.8% | 0.0% | Reduced | $-70K | Q2 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 34K | $213K | 6.4% | 0.0% | Added | +$67K | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 25K | $160K | 4.8% | 0.0% | Reduced | $-101K | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 24K | $154K | 4.7% | 0.0% | Added | +$27K | Q2 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 23K | $147K | 4.4% | 0.0% | Reduced | $-61K | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 11K | $71K | 2.1% | 0.0% | Added | — | Q2 2026 |
Reduced
Hedge Fund
$1.1M· 32.8% of total· 0.0% port· 172K sh· $-166K QoQ· Q2 2026
Unchanged
Hedge Fund
$801K· 24.2% of total· 0.0% port· 127K sh· +$0 QoQ· Q2 2026
Unchanged
Hedge Fund
$355K· 10.7% of total· 0.0% port· 56K sh· +$0 QoQ· Q2 2026
Reduced
Hedge Fund
$323K· 9.8% of total· 0.0% port· 51K sh· $-70K QoQ· Q2 2026
Added
Hedge Fund
$213K· 6.4% of total· 0.0% port· 34K sh· +$67K QoQ· Q2 2026
Reduced
Hedge Fund
$160K· 4.8% of total· 0.0% port· 25K sh· $-101K QoQ· Q2 2026
Added
Hedge Fund
$154K· 4.7% of total· 0.0% port· 24K sh· +$27K QoQ· Q2 2026
Reduced
Hedge Fund
$147K· 4.4% of total· 0.0% port· 23K sh· $-61K QoQ· Q2 2026
Added
Hedge Fund
$71K· 2.1% of total· 0.0% port· 11K sh· — QoQ· Q2 2026
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