Nine Energy Service
Completion services and downhole tools for North American unconventional wells.
$10.92
After-hours close+0.15 (+1.39%)
At close$10.77(+2.09%)
Something off on this page? Send us feedback.
Breakdown13F · Form 4
Institutions 83.50%Insiders —
Shares outstanding 13.95M · Float —
Institutions13F, as of Mar 31, 2026
17 holders · 11.65M shares · 14 new positions · 16 increased · 1 reduced · 27 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Mackay Shields LLC | 3.07M | 21.98% | +3.07Mnew | Apr 27, 2026 |
| Philosophy Capital Management LLC | 2.55M | 18.29% | +2.55Mnew | May 15, 2026 |
| Adage Capital Partners GP, L.L.C. | 1.36M | 9.71% | +1.36Mnew | May 15, 2026 |
| Castleknight Management LP | 1.16M | 8.30% | +1.16Mnew | May 15, 2026 |
| Algebris (UK) Ltd | 789.9K | 5.66% | +789.9Knew | May 13, 2026 |
| Gendell Jeffrey L | 784.5K | 5.62% | +784.5Knew | May 15, 2026 |
| Nomura Holdings Inc | 502.1K | 3.60% | +502.1Knew | May 15, 2026 |
| 455.1K | 3.26% | +455.1Knew | May 13, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| CastleKnight Master Fund LP | 8.30% | 1.16M | 13G | Apr 9, 2026 ↗ |
InsidersForm 4
Latest trades
Nothing filed in the last 12 months.
CongressHouse and Senate disclosures
Not reported.