NKTX Institutional Ownership & Shareholders
NKARTA INC (NKTX) is currently held by 135 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $165.00M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Ra Capital Management, L.P. is currently the largest disclosed institutional shareholder of NKTX tracked by InsiderSet, reporting ownership valued at approximately $30.58M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $16.42M, representing an estimated loss of -46.29% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 67% of the total disclosed NKTX value among the investors covered in this analysis. Major shareholders include Ra Capital Management, L.P., Blackrock, Inc., Nea Management Company, Llc, and several other long-term asset managers with concentrated positions in NKARTA INC (NKTX).
This page ranks the largest institutional NKTX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
135
Total Reported Value
$165.00M
Largest Holder
Ra Capital Management, L.P.
Largest Position
$30.58M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
120
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 0.27% | 10,805,129 | $30,578,515 | $16,423,796 | -$14,154,719 | -46.29% | |
| Blackrock, Inc. | 0.00% | 6,300,212 | $17,829,600 | $9,576,322 | -$8,253,278 | -46.29% | |
| Nea Management Company, Llc | 0.64% | 3,568,781 | $10,099,650 | $5,424,547 | -$4,675,103 | -46.29% | |
| Samsara Biocapital, Llc | 0.82% | 3,507,666 | $9,926,695 | $5,331,652 | -$4,595,043 | -46.29% | |
| Sr One Capital Management, Lp | 0.91% | 3,333,333 | $9,433,332 | $5,066,666 | -$4,366,666 | -46.29% | |
| Gsk Plc | 1.48% | 3,150,732 | $8,916,572 | $4,789,113 | -$4,127,459 | -46.29% | |
| Monaco Asset Management Sam | 2.50% | 2,373,400 | $6,716,722 | $3,607,568 | -$3,109,154 | -46.29% | |
| Vanguard Capital Management Llc | 0.00% | 2,226,415 | $6,300,754 | $3,384,151 | -$2,916,603 | -46.29% | |
| Citadel Advisors Llc | 0.00% | 2,174,745 | $6,154,528 | $3,305,612 | -$2,848,916 | -46.29% | |
| Two Sigma Investments, Lp | 0.00% | 1,873,293 | $5,301,419 | $2,847,405 | -$2,454,014 | -46.29% | |
| Wasatch Advisors Lp | 0.03% | 1,666,596 | $4,366,482 | $2,533,226 | -$1,833,256 | -41.98% | |
| Acadian Asset Management Llc | 0.00% | 1,360,548 | $3,846,000 | $2,068,033 | -$1,777,967 | -46.23% | |
| State Street Corp | 0.00% | 1,286,109 | $3,639,688 | $1,954,886 | -$1,684,802 | -46.29% | |
| Geode Capital Management, Llc | 0.00% | 1,285,507 | $3,638,743 | $1,953,971 | -$1,684,772 | -46.30% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 1,177,652 | $3,332,755 | $1,790,031 | -$1,542,724 | -46.29% |
| Aqr Capital Management Llc | 0.00% | 1,054,251 | $2,983,530 | $1,602,462 | -$1,381,068 | -46.29% | |
| Awm Investment Company, Inc. | 0.22% | 906,000 | $2,563,980 | $1,377,120 | -$1,186,860 | -46.29% | |
| Marshall Wace, Llp | 0.00% | 673,010 | $1,904,620 | $1,022,975 | -$881,645 | -46.29% | |
| Panagora Asset Management Inc | 0.01% | 583,249 | $1,650,595 | $886,538 | -$764,057 | -46.29% | |
| Jpmorgan Chase & Co | 0.00% | 562,980 | $1,604,493 | $855,730 | -$748,763 | -46.67% | |
| Alyeska Investment Group, L.P. | 0.00% | 484,840 | $1,372,097 | $736,957 | -$635,140 | -46.29% | |
| Dimensional Fund Advisors Lp | 0.00% | 483,211 | $1,367,703 | $734,481 | -$633,222 | -46.30% | |
| Peapod Lane Capital Llc | 1.01% | 518,406 | $1,358,224 | $787,977 | -$570,247 | -41.98% | |
| Nuveen, Llc | 0.00% | 469,555 | $1,328,840 | $713,724 | -$615,116 | -46.29% | |
| T. Rowe Price Investment Management, Inc. | 0.00% | 455,033 | $1,288,000 | $691,650 | -$596,350 | -46.30% | |
| Goldman Sachs Group Inc | 0.00% | 433,982 | $1,228,169 | $659,653 | -$568,516 | -46.29% | |
| Northern Trust Corp | 0.00% | 371,425 | $1,051,133 | $564,566 | -$486,567 | -46.29% | |
| Vanguard Fiduciary Trust Co | 0.00% | 348,186 | $985,366 | $529,243 | -$456,123 | -46.29% | |
| Millennium Management Llc | 0.00% | 323,659 | $915,955 | $491,962 | -$423,993 | -46.29% | |
| Vanguard Portfolio Management Llc | 0.00% | 301,916 | $854,422 | $458,912 | -$395,510 | -46.29% | |
| Xtx Topco Ltd | 0.01% | 289,985 | $820,658 | $440,777 | -$379,881 | -46.29% | |
| Morgan Stanley | 0.00% | 263,773 | $746,479 | $400,935 | -$345,544 | -46.29% | |
| Invesco Ltd. | 0.00% | 207,315 | $586,701 | $315,119 | -$271,582 | -46.29% | |
| Ieq Capital, Llc | 0.00% | 177,038 | $501,017 | $269,098 | -$231,919 | -46.29% | |
| D. E. Shaw & Co., Inc. | 0.00% | 162,509 | $459,900 | $247,014 | -$212,886 | -46.29% | |
| Charles Schwab Investment Management Inc | 0.00% | 130,975 | $370,659 | $199,082 | -$171,577 | -46.29% | |
| Nano Cap New Millennium Growth Fund L P | 0.28% | 130,000 | $367,900 | $197,600 | -$170,300 | -46.29% | |
| Fmr Llc | 0.00% | 129,942 | $367,736 | $197,512 | -$170,224 | -46.29% | |
| Susquehanna Portfolio Strategies, Llc | 0.01% | 126,339 | $357,539 | $192,035 | -$165,504 | -46.29% | |
| Bridgeway Capital Management, Llc | 0.01% | 122,800 | $347,524 | $186,656 | -$160,868 | -46.29% | |
| Barclays Plc | 0.00% | 121,570 | $344,042 | $184,786 | -$159,256 | -46.29% | |
| Qube Research & Technologies Ltd | 0.00% | 120,809 | $341,889 | $183,630 | -$158,259 | -46.29% | |
| Bank Of New York Mellon Corp | 0.00% | 114,833 | $324,978 | $174,546 | -$150,432 | -46.29% | |
| Gsa Capital Partners Llp | 0.02% | 113,402 | $321,000 | $172,371 | -$148,629 | -46.30% | |
| Jane Street Group, Llc | 0.00% | 111,625 | $315,899 | $169,670 | -$146,229 | -46.29% | |
| Point72 Asset Management, L.P. | 0.00% | 106,806 | $302,261 | $162,345 | -$139,916 | -46.29% | |
| Man Group Plc | 0.00% | 100,047 | $283,133 | $152,071 | -$131,062 | -46.29% | |
| American Century Companies Inc | 0.00% | 94,851 | $268,428 | $144,174 | -$124,254 | -46.29% | |
| Jacobs Levy Equity Management, Inc | 0.00% | 82,658 | $233,922 | $125,640 | -$108,282 | -46.29% | |
| Mariner, Llc | 0.00% | 78,504 | $222,169 | $119,326 | -$102,843 | -46.29% |
Frequently asked questions about NKTX
Who are the largest institutional holders of NKTX?
The largest institutional holders of NKTX reported in the latest SEC Form 13F filings include Ra Capital Management, L.P., Blackrock, Inc., Nea Management Company, Llc, Samsara Biocapital, Llc, and Sr One Capital Management, Lp. InsiderSet ranks institutional holders by their latest reported NKTX position.
What is NKTX institutional ownership?
This page tracks NKTX positions reported by institutional investment managers through SEC Form 13F. NKARTA INC (NKTX) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own NKTX?
InsiderSet currently tracks 135 institutional managers reporting NKTX holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of NKTX shareholders.
How much NKTX stock do institutions own?
Institutional investment managers disclosed approximately $165.00M in NKTX holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was NKTX institutional ownership last updated?
The latest NKTX institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional NKTX holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its NKTX position after the reporting date.
Are institutions buying or selling NKTX?
Institutional buying and selling can be analyzed by comparing NKTX positions across consecutive 13F reporting periods. InsiderSet's NKTX Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View NKTX ownership changes.
How has NKTX institutional ownership changed over time?
InsiderSet tracks NKTX institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.