NKTXNasdaqPharmaceutical PreparationsFiscal year ends December 31
Nkarta, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 10, 2026
$1.75−0.05 (-2.78%)
Close on Oct 19, 2026
- Market cap
- $130.37M
- P/E (TTM)
- –
- Dividend yield
- 0.00%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
82.9%
59M of 72M shares
Institutional holders
136
26 new, 13 sold out
Net institutional buying
2M
In Q2 2026
Insider trades, 12 months
0 buys · 3 sales
Net sold $70.42K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Joe Lewis | 4,407,350 | 9.00% | 13G (passive) | Jan 8, 2024 |
| Robert Atchinson | 3,600,000 | 5.10% | 13G (passive) amendment | Sep 30, 2024 |
| Peter Kolchinsky | 13,848,371 | 18.90% | 13D (active) amendment | Mar 27, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of NKTX | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 10,805,129 | 15.09% | $30.58M | – | 0.27% |
| BlackRock, Inc. | 6,300,212 | 8.80% | $17.83M | +1,791,739 | 0.00% |
| NEA Management Company, LLC | 3,568,781 | 4.98% | $10.10M | – | 0.64% |
| Samsara BioCapital, LLC | 3,507,666 | 4.90% | $9.93M | – | 0.82% |
| Sr One Capital Management, LP | 3,333,333 | 4.65% | $9.43M | – | 0.91% |
| GSK plc | 3,150,732 | 4.40% | $8.92M | – | 1.48% |
| Monaco Asset Management SAM | 2,373,400 | 3.31% | $6.72M | −148,532 | 0.53% |
| Vanguard Capital Management LLC | 2,226,415 | 3.11% | $6.30M | +214,994 | 0.00% |
| Citadel Advisors LLC | 2,174,745 | 3.04% | $6.15M | +390,751 | 0.00% |
| Two Sigma Investments, LP | 1,873,293 | 2.62% | $5.30M | −174,083 | 0.00% |
| Wasatch Advisors LP | 1,577,847 | 2.20% | $4.47M | – | 0.03% |
| Acadian Asset Management LLC | 1,360,548 | 1.90% | $3.85K | +100,772 | 0.00% |
| State Street Corp | 1,286,109 | 1.80% | $3.64M | +48,635 | 0.00% |
| Geode Capital Management, LLC | 1,285,507 | 1.79% | $3.64M | +17,592 | 0.00% |
| Renaissance Technologies LLC | 1,177,652 | 1.64% | $3.33M | −554,720 | 0.00% |
| Aqr Capital Management LLC | 1,054,251 | 1.47% | $2.98M | +458,525 | 0.00% |
| AWM Investment Company, Inc. | 906,000 | 1.26% | $2.56M | – | 0.22% |
| Blackstone Inc. | 747,044 | 1.04% | $2.11M | New | 0.01% |
| Marshall Wace, Llp | 673,010 | 0.94% | $1.90M | New | 0.00% |
| Panagora Asset Management Inc | 583,249 | 0.81% | $1.65M | +299,039 | 0.01% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 136 | 59M | 82.9% | 26 / 52 | 36 / 13 | 7M | 5M |
| Q1 2026 | 126 | 58M | 80.6% | 19 / 49 | 30 / 11 | 7M | 3M |
| Q4 2025 | 119 | 56M | 78.1% | 15 / 34 | 41 / 12 | 8M | 10M |
| Q3 2025 | 120 | 58M | 81.3% | 24 / 29 | 42 / 8 | 4M | 4M |
| Q2 2025 | 104 | 59M | 82.1% | 8 / 38 | 32 / 15 | 2M | 5M |
| Q1 2025 | 111 | 62M | 85.9% | 18 / 39 | 29 / 18 | 10M | 10M |
| Q4 2024 | 112 | 62M | 86.8% | 23 / 46 | 19 / 29 | 12M | 18M |
| Q3 2024 | 119 | 68M | 94.7% | 21 / 40 | 29 / 13 | 10M | 5M |
| Q2 2024 | 112 | 67M | 92.9% | 25 / 52 | 18 / 28 | 11M | 9M |
| Q1 2024 | 115 | 64M | 89.7% | 37 / 34 | 32 / 15 | 25M | 3M |
| Q4 2023 | 94 | 41M | 57.9% | 26 / 27 | 26 / 16 | 14M | 9M |
| Q3 2023 | 85 | 36M | 50.9% | 11 / 22 | 30 / 21 | 3M | 6M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of NKTX | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,567,021 | 2.19% | $4.43M | 0.00% | Jun 30, 2026 |
| Wasatch Ultra Growth Fund | 1,487,369 | 2.08% | $4.21M | 0.91% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 1,144,067 | 1.60% | $3.24M | 0.00% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 573,211 | 0.80% | $1.62M | 0.00% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 490,138 | 0.68% | $1.02M | 0.00% | Jul 31, 2026 |
| iShares Russell 2000 Value ETF | 454,858 | 0.64% | $1.29M | 0.01% | Jun 30, 2026 |
| College Retirement Equities Fund - Total Global Stock Account | 349,646 | 0.49% | $989.50K | 0.00% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 282,739 | 0.39% | $918.90K | 0.00% | May 31, 2026 |
| T. Rowe Price Small-Cap Value Fund, Inc. | 265,981 | 0.37% | $752.73K | 0.01% | Jun 30, 2026 |
| BlackRock Advantage Small Cap Growth Fund | 263,800 | 0.37% | $746.55K | 0.09% | Jun 30, 2026 |
| Vanguard Russell 2000 Index Fund | 238,436 | 0.33% | $774.92K | 0.00% | May 31, 2026 |
| iShares Micro-Cap ETF | 150,315 | 0.21% | $425.39K | 0.03% | Jun 30, 2026 |
| Dimensional U.S. Small Cap ETF | 145,492 | 0.20% | $304.08K | 0.00% | Jul 31, 2026 |
| Ultra-Small Company Market Fund | 110,000 | 0.15% | $311.30K | 0.21% | Jun 30, 2026 |
| Schwab Small-Cap Index Fund | 108,444 | 0.15% | $226.65K | 0.00% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Paul J. Hastings | Chief Executive Officer, Director | 390,247 | 0.54% | Jun 22, 2026 |
| Nadir Mahmood | President | 167,727 | 0.23% | Jan 20, 2026 |
| Shawn Marshall Rose | See Remarks | 70,000 | 0.10% | Jan 8, 2026 |
| Alicia J. Hager | Chief Legal Officer | 146,735 | 0.20% | Jan 17, 2025 |
| Ralph Brandenberger | Chief Technical Officer | 124,796 | 0.17% | Jan 17, 2025 |
| Alyssa Levin | See Remarks | 102,662 | 0.14% | Jan 17, 2025 |
| David Shook | See Remarks | 190,955 | 0.27% | Jan 17, 2025 |
| Capital Healthcare Fund LP RA | Director, 10% owner | – | – | Jun 11, 2026 |
| Zachary Scheiner | Director | – | – | Jun 11, 2026 |
| Leone D. Patterson | Director | – | – | Jun 11, 2026 |
| Angela Thedinga | Director | – | – | Jun 11, 2026 |
| George Vratsanos | Director | – | – | Jun 11, 2026 |
| Michael Dybbs | Director | – | – | Jun 11, 2026 |
| Rajeev M. Shah | Director, 10% owner | 7,805,129 | 10.90% | Jun 11, 2026 |
| Peter Kolchinsky | Director, 10% owner | – | – | Jun 11, 2026 |
| RA Capital Nexus Fund, L.P. | Director | – | – | Jun 11, 2026 |
| Ra Capital Management, L.P. | Director, 10% owner | 10,050,818 | 14.03% | Jun 11, 2026 |
| Simeon George | Director | 3,333,333 | 4.65% | Jun 11, 2026 |
| Ali Behbahani | Director | – | – | Jun 11, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Paul J. Hastings Chief Executive Officer, Director | Jun 18, 2026 | Sale | −1,776 | $2.71 | $4.81K | 390,247 |
| Nadir Mahmood President | Jan 15, 2026 | Sale | −5,649 | $2.07 | $11.69K | 167,727 |
| Paul J. Hastings Chief Executive Officer, Director | Jan 15, 2026 | Sale | −26,046 | $2.07 | $53.92K | 390,023 |
| Nadir Mahmood President | Jan 6, 2026 | Award | +80,000 | – | – | 173,376 |
| Shawn Marshall Rose See Remarks | Jan 6, 2026 | Award | +70,000 | – | – | 70,000 |
| Paul J. Hastings Chief Executive Officer, Director | Jan 6, 2026 | Award | +94,000 | – | – | 416,069 |
| Paul J. Hastings Chief Executive Officer, Director | Jun 18, 2025 | Sale | −1,790 | $1.79 | $3.20K | 320,069 |
| Alyssa Levin See Remarks | Jan 15, 2025 | Sale | −5,838 | $2.20 | $12.84K | 102,662 |
| Paul J. Hastings Chief Executive Officer, Director | Jan 15, 2025 | Sale | −17,378 | $2.20 | $38.23K | 319,859 |
| Ralph Brandenberger Chief Technical Officer | Jan 15, 2025 | Sale | −7,447 | $2.20 | $16.38K | 124,796 |
| Alicia J. Hager Chief Legal Officer | Jan 15, 2025 | Sale | −9,584 | $2.20 | $21.08K | 146,735 |
| David Shook See Remarks | Jan 15, 2025 | Sale | −8,638 | $2.20 | $19.00K | 190,955 |
| Alicia J. Hager Chief Legal Officer | Jan 3, 2025 | Award | +52,500 | – | – | 156,319 |
| Alyssa Levin See Remarks | Jan 3, 2025 | Award | +52,500 | – | – | 108,500 |
| Nadir Mahmood President | Jan 3, 2025 | Award | +62,000 | – | – | 93,376 |
| Ralph Brandenberger Chief Technical Officer | Jan 3, 2025 | Award | +52,500 | – | – | 132,243 |
| Paul J. Hastings Chief Executive Officer, Director | Jan 3, 2025 | Award | +94,500 | – | – | 337,237 |
| David Shook See Remarks | Jan 3, 2025 | Award | +59,000 | – | – | 199,593 |
| David Shook See Remarks | Aug 21, 2024 | Award | −1,352 | $5.11 | $6.91K | 138,593 |
| Alicia J. Hager Chief Legal Officer | Jul 16, 2024 | Sale(10b5-1 plan) | −3,396 | $8.00 | $27.17K | 103,819 |
| David Shook See Remarks | Jul 15, 2024 | Award | +23,421 | – | – | 139,945 |
| Ralph Brandenberger Chief Technical Officer | Jun 18, 2024 | Sale | −229 | $5.60 | $1.28K | 79,743 |
| David Shook Chief Medical Officer | Jun 18, 2024 | Sale | −456 | $5.60 | $2.55K | 116,524 |
| Paul J. Hastings Chief Executive Officer, Director | Jun 18, 2024 | Sale | −1,770 | $5.60 | $9.91K | 240,737 |
| James Trager Chief Scientific Officer | Jun 18, 2024 | Sale | −456 | $5.60 | $2.55K | 150,959 |
| Alicia J. Hager Chief Legal Officer | Jun 18, 2024 | Sale | −727 | $5.60 | $4.07K | 107,215 |
| Ra Capital Management, L.P. Director, 10% owner | Mar 27, 2024 | Buy | +3,000,000 | $10.00 | $30.00M | 10,050,818 |
| Simeon George Director | Mar 27, 2024 | Buy | +451,659 | $10.00 | $4.52M | 451,659 |
| Simeon George Director | Mar 27, 2024 | Buy | +1,548,341 | $10.00 | $15.48M | 1,548,341 |
| Paul J. Hastings Chief Executive Officer, Director | Mar 4, 2024 | Returned to company | −137,642 | $13.33 | $1.83M | 240,507 |
| Ralph Brandenberger Chief Technical Officer | Mar 1, 2024 | Option exercise | +2,955 | $3.89 | $11.49K | 88,339 |
| Ralph Brandenberger Chief Technical Officer | Mar 1, 2024 | Option exercise | +3,808 | $3.89 | $14.81K | 85,384 |
| Ralph Brandenberger Chief Technical Officer | Mar 1, 2024 | Sale(10b5-1 plan) | −8,367 | $12.51 | $104.67K | 79,972 |
| Paul J. Hastings Chief Executive Officer, Director | Mar 1, 2024 | Returned to company | −12,358 | $13.00 | $160.65K | 378,149 |
| James Trager Chief Scientific Officer | Feb 12, 2024 | Sale(10b5-1 plan) | −4,143 | $12.00 | $49.72K | 149,415 |
| James Trager Chief Scientific Officer | Jan 16, 2024 | Sale | −4,560 | $8.74 | $39.85K | 153,558 |
| David Shook Chief Medical Officer | Jan 16, 2024 | Sale | −3,552 | $8.74 | $31.04K | 114,980 |
| Ralph Brandenberger Chief Technical Officer | Jan 16, 2024 | Sale | −2,512 | $8.74 | $21.95K | 81,576 |
| Alicia J. Hager Chief Legal Officer | Jan 16, 2024 | Sale | −4,554 | $8.74 | $39.80K | 107,942 |
| Paul J. Hastings Chief Executive Officer, Director | Jan 16, 2024 | Sale | −9,697 | $8.74 | $84.75K | 390,507 |
| Paul J. Hastings Chief Executive Officer, Director | Jan 4, 2024 | Award | +85,000 | – | – | 400,204 |
| Ralph Brandenberger Chief Technical Officer | Jan 4, 2024 | Award | +56,000 | – | – | 84,088 |
| James Trager Chief Scientific Officer | Jan 4, 2024 | Award | +56,000 | – | – | 158,118 |
| Alyssa Levin See Remarks | Jan 4, 2024 | Award | +56,000 | – | – | 56,000 |
| David Shook Chief Medical Officer | Jan 4, 2024 | Award | +56,000 | – | – | 118,532 |
| Alicia J. Hager Chief Legal Officer | Jan 4, 2024 | Award | +56,000 | – | – | 112,496 |
| David Shook Chief Medical Officer | Aug 21, 2023 | Sale | −1,331 | $1.83 | $2.44K | 60,532 |
| Nadir Mahmood See Remarks | Jun 20, 2023 | Sale | −526 | $4.85 | $2.55K | 85,776 |
| James Trager Chief Scientific Officer | Jun 20, 2023 | Sale | −439 | $4.85 | $2.13K | 100,118 |
| Alicia J. Hager Chief Legal Officer | Jun 20, 2023 | Sale | −701 | $4.85 | $3.40K | 56,496 |
| Ralph Brandenberger Chief Technical Officer | Jun 20, 2023 | Sale | −221 | $4.85 | $1.07K | 28,088 |
| David Shook Chief Medical Officer | Jun 20, 2023 | Sale | −439 | $4.85 | $2.13K | 61,863 |
| Paul J. Hastings Chief Executive Officer, Director | Jun 20, 2023 | Sale | −1,704 | $4.85 | $8.26K | 313,402 |
| Alicia J. Hager Chief Legal Officer | Jan 17, 2023 | Sale | −1,103 | $5.49 | $6.06K | 57,197 |
| James Trager Chief Scientific Officer | Jan 17, 2023 | Sale | −1,115 | $5.49 | $6.12K | 98,557 |
| Ralph Brandenberger Chief Technical Officer | Jan 17, 2023 | Sale | −491 | $5.49 | $2.70K | 28,309 |
| Paul J. Hastings Chief Executive Officer, Director | Jan 17, 2023 | Sale | −3,691 | $5.49 | $20.26K | 313,106 |
| Nadir Mahmood See Remarks | Jan 17, 2023 | Sale | −1,122 | $5.49 | $6.16K | 84,302 |
| David Shook Chief Medical Officer | Jan 17, 2023 | Sale | −175 | $5.49 | $961 | 60,302 |
| Alicia J. Hager Chief Legal Officer | Jan 13, 2023 | Award | +37,500 | – | – | 58,300 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Hager Alicia Officer | Jul 16, 2024 | 3,396 | $23.84K | Jul 16, 2024 | Restricted Stock Units |
| J. Hastings Paul Officer | Mar 4, 2024 | 60,000 | $770.40K | Mar 4, 2024 | Previously Exercised Options |
| J. Hastings Paul Officer | Mar 1, 2024 | 120,000 | $1.45M | Mar 1, 2024 | Previously Exercised Options |
| Erik Brandenberger Ralph Officer | Mar 1, 2024 | 8,367 | $101.07K | Mar 1, 2024 | Exercise of Stock Options |
| Barnaby Trager James Officer | Feb 12, 2024 | 4,143 | $46.03K | Feb 12, 2024 | Restricted Stock Units |