NEKTAR THERAPEUTICS (NKTR) Institutional Shareholders
NEKTAR THERAPEUTICS (NKTR) 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 $1 in NKTR holdings during the latest filing period.
Fmr Llc is currently the largest disclosed institutional shareholder of NKTR tracked by InsiderSet, reporting ownership valued at approximately $353.79M 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 $346.44M, representing an estimated loss of -2.08% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed NKTR value among the investors covered in this analysis. Major shareholders include Fmr Llc, Two Seas Capital Lp, Blackrock, Inc., and several other long-term asset managers with concentrated positions in NEKTAR THERAPEUTICS (NKTR).
This page ranks the largest institutional NKTR 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
1
Total Reported Value
$1
Largest Holder
Fmr Llc
Largest Position
$353.79M
Insider Transactions (90d)
3
Latest Filing Quarter
Q2 2026
New Institutional Positions
105
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fmr Llc | 0.02% | 5,067,920 | $353,791,520 | $346,443,011 | -$7,348,509 | -2.08% | |
| Two Seas Capital Lp | 8.24% | 3,092,234 | $215,868,856 | $211,385,116 | -$4,483,740 | -2.08% | |
| Blackrock, Inc. | 0.00% | 2,941,851 | $205,370,620 | $201,104,934 | -$4,265,686 | -2.08% | |
| Bvf Inc/Il | 4.27% | 2,391,075 | $166,920,946 | $163,453,887 | -$3,467,059 | -2.08% | |
| Vanguard Capital Management Llc | 0.00% | 1,496,849 | $104,495,029 | $102,324,598 | -$2,170,431 | -2.08% | |
| Two Sigma Investments, Lp | 0.06% | 1,202,004 | $83,911,899 | $82,168,993 | -$1,742,906 | -2.08% | |
| Vestal Point Capital, Lp | 1.63% | 1,000,000 | $69,810,000 | $68,360,000 | -$1,450,000 | -2.08% | |
| Morgan Stanley | 0.00% | 936,560 | $65,381,263 | $64,023,242 | -$1,358,021 | -2.08% | |
| State Street Corp | 0.00% | 909,679 | $63,504,691 | $62,185,656 | -$1,319,035 | -2.08% | |
| Geode Capital Management, Llc | 0.00% | 881,306 | $61,536,312 | $60,246,078 | -$1,290,234 | -2.10% | |
| Prosight Management, Lp | 9.74% | 810,000 | $56,546,100 | $55,371,600 | -$1,174,500 | -2.08% | |
| Armistice Capital, Llc | 1.40% | 724,000 | $50,542,440 | $49,492,640 | -$1,049,800 | -2.08% | |
| Gilder Gagnon Howe & Co Llc | 0.43% | 600,873 | $41,946,944 | $41,075,678 | -$871,266 | -2.08% | |
| Millennium Management Llc | 0.02% | 478,120 | $33,377,557 | $32,684,283 | -$693,274 | -2.08% | |
| Braidwell Lp | 1.22% | 473,617 | $33,063,203 | $32,376,458 | -$686,745 | -2.08% | |
| Sofinnova Investments, Inc. | 1.76% | 471,763 | $32,933,775 | $32,249,719 | -$684,056 | -2.08% | |
| Woodline Partners Lp | 0.10% | 470,875 | $32,871,784 | $32,189,015 | -$682,769 | -2.08% | |
| Orbimed Advisors Llc | 0.62% | 465,346 | $32,485,804 | $31,811,053 | -$674,751 | -2.08% | |
| Ubs Group Ag | 0.00% | 428,400 | $29,906,604 | $29,285,424 | -$621,180 | -2.08% | |
| Emerald Advisers, Llc | 0.64% | 390,158 | $27,236,930 | $26,671,201 | -$565,729 | -2.08% | |
| Lord, Abbett & Co. Llc | 0.08% | 381,624 | $26,641,000 | $26,087,817 | -$553,183 | -2.08% | |
| Vanguard Portfolio Management Llc | 0.00% | 348,540 | $24,331,577 | $23,826,194 | -$505,383 | -2.08% | |
| Dafna Capital Management Llc | 4.24% | 318,380 | $22,226,108 | $21,764,457 | -$461,651 | -2.08% | |
| Northern Trust Corp | 0.00% | 308,531 | $21,538,548 | $21,091,179 | -$447,369 | -2.08% | |
| Deep Track Capital, Lp | 0.31% | 300,000 | $20,943,000 | $20,508,000 | -$435,000 | -2.08% | |
| Charles Schwab Investment Management Inc | 0.00% | 284,971 | $19,893,826 | $19,480,618 | -$413,208 | -2.08% | |
| 22Nw, Lp | 18.75% | 281,115 | $19,624,638 | $19,217,021 | -$407,617 | -2.08% | |
| Susquehanna International Group, Llp | 0.02% | 278,977 | $19,475,384 | $19,070,868 | -$404,516 | -2.08% | |
| Primecap Management Co/Ca/ | 0.01% | 272,850 | $19,047,658 | $18,652,026 | -$395,632 | -2.08% | |
| Barclays Plc | 0.01% | 262,362 | $18,315,491 | $17,935,066 | -$380,425 | -2.08% | |
| Nearwater Capital Markets, Ltd | 0.31% | 261,500 | $18,255,315 | $17,876,140 | -$379,175 | -2.08% | |
| Emerald Mutual Fund Advisers Trust | 0.63% | 255,587 | $17,842,528 | $17,471,927 | -$370,601 | -2.08% | |
| Adar1 Capital Management, Llc | 0.80% | 244,184 | $17,046,485 | $16,692,418 | -$354,067 | -2.08% | |
| Creek Drive Management Group Llc | 10.48% | 243,000 | $16,963,830 | $16,611,480 | -$352,350 | -2.08% | |
| Seven Grand Managers, Llc | 0.67% | 240,000 | $16,754,400 | $16,406,400 | -$348,000 | -2.08% | |
| Deutsche Bank Ag\ | 0.00% | 239,831 | $16,742,602 | $16,394,847 | -$347,755 | -2.08% | |
| Vanguard Fiduciary Trust Co | 0.00% | 239,575 | $16,724,731 | $16,377,347 | -$347,384 | -2.08% | |
| Goldman Sachs Group Inc | 0.00% | 228,490 | $15,950,887 | $15,619,576 | -$331,311 | -2.08% | |
| Norges Bank | 0.00% | 215,300 | $15,030,093 | $14,717,908 | -$312,185 | -2.08% | |
| Bronte Capital Management Pty Ltd. | 1.56% | 198,434 | $13,852,678 | $13,564,948 | -$287,730 | -2.08% | |
| Great Point Partners Llc | 2.88% | 175,000 | $12,216,750 | $11,963,000 | -$253,750 | -2.08% | |
| Ameriprise Financial Inc | 0.00% | 165,941 | $11,584,330 | $11,343,727 | -$240,603 | -2.08% | |
| Citadel Advisors Llc | 0.01% | 159,747 | $11,151,938 | $10,920,305 | -$231,633 | -2.08% | |
| Quinn Opportunity Partners Llc | 0.50% | 153,076 | $10,686,236 | $10,464,275 | -$221,961 | -2.08% | |
| Rhenman & Partners Asset Management Ab | 0.93% | 141,250 | $9,860,662 | $9,655,850 | -$204,812 | -2.08% | |
| Qube Research & Technologies Ltd | 0.01% | 130,521 | $9,111,671 | $8,922,416 | -$189,255 | -2.08% | |
| Soleus Capital Management, L.P. | 0.31% | 128,362 | $8,960,951 | $8,774,826 | -$186,125 | -2.08% | |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 0.47% | 122,767 | $8,570,364 | $8,392,352 | -$178,012 | -2.08% | |
| Stonepine Capital Management, Llc | 6.41% | 120,654 | $8,422,856 | $8,247,907 | -$174,949 | -2.08% | |
| Summittx Capital, L.P. | 0.21% | 112,934 | $7,883,923 | $7,720,168 | -$163,755 | -2.08% |
Frequently asked questions about NKTR
Who owns the most NKTR stock?
The largest holders of NKTR 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 NEKTAR THERAPEUTICS (NKTR).
Is NKTR widely held by superinvestors?
Many widely followed stocks like NKTR appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NKTR 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.