Nkarta
Develops NKX019-led CAR NK therapies for B-cell autoimmune diseases.
$2.80
After-hours close+0.04 (+1.45%)
At close$2.76(+0.36%)
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Breakdown13F · Form 4
Institutions 80.65%57.70M sharesInsiders 0.88%628.0K sharesOther 18.47%13.22M shares
Shares outstanding 71.55M · Float 54.28M · 75.9% free float
Institutions13F, as of Mar 31, 2026
130 holders · 57.70M shares · 19 new positions · 68 increased · 30 reduced · 12 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Ra Capital Management, L.P. | 10.81M | 15.10% | 0 | May 15, 2026 |
| BlackRock, Inc. | 4.51M | 6.30% | +393.3K | May 13, 2026 |
| Nea Management Company, LLC | 3.57M | 4.99% | 0 | May 15, 2026 |
| Samsara Biocapital, LLC | 3.51M | 4.90% | 0 | May 15, 2026 |
| Sr One Capital Management, LP | 3.33M | 4.66% | 0 | May 14, 2026 |
| GSK PLC | 3.15M | 4.40% | 0 | May 14, 2026 |
| Monaco Asset Management Sam | 2.52M | 3.52% | −25.0K | May 11, 2026 |
| Alyeska Investment Group, L.P. | 2.08M | 2.91% | 0 | May 15, 2026 |
Beneficial owners13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Paul J. Hastings | director, officer: Chief Executive Officer | 390.2K | 0.55% | Jun 22, 2026 |
| Nadir Mahmood | officer: President | 167.7K | 0.23% | Jan 20, 2026 |
| Shawn Marshall Rose | officer: See Remarks | 70.0K | 0.10% | Jan 8, 2026 |
9 ten-percent owners hold 6.61M shares by Form 4, outside the officers-and-directors figure above · 10 people have not refiled in the last 18 months (11.35M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 18, 2026 | Paul J. Hastingsdirector, officer: Chief Executive Officer | Sale | 1,776 | $2.71 | 390,247 |
| Jan 15, 2026 | Nadir Mahmoodofficer: President | Sale | 5,649 | $2.07 | 167,727 |
| Jan 15, 2026 | Paul J. Hastingsdirector, officer: Chief Executive Officer | Sale | 26,046 | $2.07 | 390,023 |
CongressHouse and Senate disclosures
Not reported.