NKARTA INC (NKTX) Institutional Shareholders
NKARTA INC (NKTX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $119.10M in NKTX holdings during the latest filing period.
Ra Capital Management, L.P. is currently the largest disclosed institutional shareholder of NKTX tracked by InsiderSet, reporting ownership valued at approximately $22.80M in its March 31, 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 $22.58M, representing an estimated loss of -0.95% 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
121
Total Reported Value
$119.10M
Largest Holder
Ra Capital Management, L.P.
Largest Position
$22.80M
Insider Transactions (90d)
1
Latest Filing Quarter
Q2 2026
New Institutional Positions
140
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. | 0.24% | 10,805,129 | $22,798,822 | $22,582,720 | -$216,102 | -0.95% | |
| Blackrock, Inc. | 0.00% | 4,508,473 | $9,512,878 | $9,422,709 | -$90,169 | -0.95% | |
| Nea Management Company, Llc | 0.43% | 3,568,781 | $7,530,128 | $7,458,752 | -$71,376 | -0.95% | |
| Samsara Biocapital, Llc | 0.72% | 3,507,666 | $7,401,175 | $7,331,022 | -$70,153 | -0.95% | |
| Sr One Capital Management, Lp | 0.77% | 3,333,333 | $7,033,333 | $6,966,666 | -$66,667 | -0.95% | |
| Gsk Plc | 1.11% | 3,150,732 | $6,648,045 | $6,585,030 | -$63,015 | -0.95% | |
| Monaco Asset Management Sam | 1.69% | 2,521,932 | $5,321,277 | $5,270,838 | -$50,439 | -0.95% | |
| Wasatch Advisors Lp | 0.03% | 1,577,847 | $4,465,307 | $3,297,700 | -$1,167,607 | -26.15% | |
| Alyeska Investment Group, L.P. | 0.01% | 2,084,840 | $4,399,012 | $4,357,316 | -$41,696 | -0.95% | |
| Two Sigma Investments, Lp | 0.00% | 2,047,376 | $4,319,963 | $4,279,016 | -$40,947 | -0.95% | |
| Vanguard Capital Management Llc | 0.00% | 2,011,421 | $4,244,098 | $4,203,870 | -$40,228 | -0.95% | |
| Citadel Advisors Llc | 0.00% | 1,783,994 | $3,764,227 | $3,728,547 | -$35,680 | -0.95% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 1,732,372 | $3,655,305 | $3,620,657 | -$34,648 | -0.95% |
| Tang Capital Management Llc | 0.16% | 1,480,823 | $3,124,537 | $3,094,920 | -$29,617 | -0.95% | |
| Geode Capital Management, Llc | 0.00% | 1,267,915 | $2,675,828 | $2,649,942 | -$25,886 | -0.97% | |
| State Street Corp | 0.00% | 1,237,474 | $2,611,070 | $2,586,321 | -$24,749 | -0.95% | |
| Awm Investment Company, Inc. | 0.21% | 906,000 | $1,911,660 | $1,893,540 | -$18,120 | -0.95% | |
| Peapod Lane Capital Llc | 1.05% | 549,923 | $1,556,282 | $1,149,339 | -$406,943 | -26.15% | |
| Aqr Capital Management Llc | 0.00% | 595,726 | $1,256,983 | $1,245,067 | -$11,916 | -0.95% | |
| Nuveen, Llc | 0.00% | 445,798 | $940,634 | $931,718 | -$8,916 | -0.95% | |
| Northern Trust Corp | 0.00% | 417,172 | $880,232 | $871,889 | -$8,343 | -0.95% | |
| Goldman Sachs Group Inc | 0.00% | 385,000 | $812,349 | $804,650 | -$7,699 | -0.95% | |
| D. E. Shaw & Co., Inc. | 0.00% | 356,932 | $753,127 | $745,988 | -$7,139 | -0.95% | |
| Dimensional Fund Advisors Lp | 0.00% | 346,593 | $730,923 | $724,379 | -$6,544 | -0.90% | |
| Vanguard Fiduciary Trust Co | 0.00% | 328,040 | $692,164 | $685,604 | -$6,560 | -0.95% | |
| Morgan Stanley | 0.00% | 313,054 | $660,544 | $654,283 | -$6,261 | -0.95% | |
| Curated Wealth Partners Llc | 0.08% | 1,754 | $626,827 | $3,666 | -$623,161 | -99.42% | |
| Panagora Asset Management Inc | 0.00% | 284,210 | $599,683 | $593,999 | -$5,684 | -0.95% | |
| Vanguard Portfolio Management Llc | 0.00% | 272,079 | $574,087 | $568,645 | -$5,442 | -0.95% | |
| Nano Cap New Millennium Growth Fund L P | 0.35% | 175,000 | $369,250 | $365,750 | -$3,500 | -0.95% | |
| Woodline Partners Lp | 0.00% | 168,110 | $354,712 | $351,350 | -$3,362 | -0.95% | |
| Xtx Topco Ltd | 0.01% | 153,816 | $324,552 | $321,475 | -$3,077 | -0.95% | |
| Man Group Plc | 0.00% | 152,622 | $322,032 | $318,980 | -$3,052 | -0.95% | |
| Invesco Ltd. | 0.00% | 150,940 | $318,484 | $315,465 | -$3,019 | -0.95% | |
| Millennium Management Llc | 0.00% | 145,688 | $307,402 | $304,488 | -$2,914 | -0.95% | |
| Charles Schwab Investment Management Inc | 0.00% | 130,975 | $276,357 | $273,738 | -$2,619 | -0.95% | |
| Fmr Llc | 0.00% | 129,099 | $272,399 | $269,817 | -$2,582 | -0.95% | |
| Barclays Plc | 0.00% | 123,493 | $260,571 | $258,100 | -$2,471 | -0.95% | |
| Jane Street Group, Llc | 0.00% | 120,304 | $253,842 | $251,435 | -$2,407 | -0.95% | |
| Bank Of New York Mellon Corp | 0.00% | 110,004 | $232,108 | $229,908 | -$2,200 | -0.95% | |
| Bridgeway Capital Management, Llc | 0.00% | 107,800 | $227,458 | $225,302 | -$2,156 | -0.95% | |
| Ieq Capital, Llc | 0.00% | 102,849 | $217,011 | $214,954 | -$2,057 | -0.95% | |
| Marquette Asset Management, Llc | 0.03% | 75,071 | $212,451 | $156,898 | -$55,553 | -26.15% | |
| Stifel Financial Corp | 0.00% | 95,203 | $200,878 | $198,974 | -$1,904 | -0.95% | |
| American Century Companies Inc | 0.00% | 94,851 | $200,136 | $198,239 | -$1,897 | -0.95% | |
| Alliancebernstein L.P. | 0.00% | 89,870 | $166,260 | $187,828 | +$21,568 | +12.97% | |
| Deutsche Bank Ag\ | 0.00% | 76,627 | $161,683 | $160,150 | -$1,533 | -0.95% | |
| Los Angeles Capital Management Llc | 0.00% | 68,305 | $144,124 | $142,757 | -$1,367 | -0.95% | |
| Rangeley Capital, Llc | 0.15% | 68,000 | $143,480 | $142,120 | -$1,360 | -0.95% | |
| Wealth Enhancement Advisory Services, Llc | 0.00% | 48,143 | $142,985 | $100,619 | -$42,366 | -29.63% |
Frequently asked questions about NKTX
Who owns the most NKTX stock?
The largest holders of NKTX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for NKARTA INC (NKTX).
Is NKTX widely held by superinvestors?
Many widely followed stocks like NKTX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NKTX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.