Nektar TherapeuticsNKTR
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 208 institutions reported holding Nektar Therapeutics (NKTR) in their 13F filings, up 36 from Q4 2025. 63 opened new positions and 28 sold out. The largest holders were FMR LLC ($309.6M), BVF Inc. ($184.2M) and Two Seas Capital LP ($141.0M). 5 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Nektar Therapeutics
- CUSIP
- 640268306
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 63 | $198.2M |
| Exits | 28 | $43.0M |
All 13F filers, Q4 2025 → Q1 2026: 12,383,507 shares bought and 2,842,509 shares sold, net +9,540,998 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 208 holders
| FMR LLC | 0.02% | Add +4155.1% | 4,303,188 | $309.6M |
| BVF Inc. | 5.87% | Add +64.1% | 2,559,595 | $184.2M |
| Two Seas Capital LP | 6.51% | Add +162.9% | 1,959,178 | $141.0M |
| Vanguard Capital Management LLC | 0.00% | — | 1,197,055 | $86.1M |
| Two Sigma Investments, LP | 0.06% | Add +96.8% | 930,741 | $67.0M |
| Prosight Management, LP | 8.67% | Add +32.5% | 735,000 | $52.9M |
| BlackRock, Inc. | 0.00% | Add +7.3% | 692,650 | $49.8M |
| Morgan Stanley | 0.00% | Add +16.4% | 659,387 | $47.4M |
| Armistice Capital, LLC | 1.37% | Reduce -3.0% | 578,000 | $41.6M |
| Invesco Ltd. | 0.00% | Add +21.2% | 567,458 | $40.8M |
| Citadel Advisors | 0.03% | Add +65.8% | 513,531 | $36.9M |
| Sofinnova Investments, Inc. | 1.84% | Add +16.2% | 509,546 | $36.7M |
| Woodline Partners LP | 0.11% | Add +299.4% | 415,335 | $29.9M |
| Lord, Abbett & Co. LLC | 0.10% | New | 405,080 | $29.1M |
| Millennium Management | 0.02% | Reduce -11.0% | 404,277 | $29.1M |
| Emerald Advisers, LLC | 0.90% | Add +2.7% | 394,604 | $28.4M |
| Qube Research & Technologies Ltd | 0.04% | Add +20.6% | 390,675 | $28.1M |
| Geode Capital Management, LLC | 0.00% | Add +36.3% | 346,795 | $25.0M |
| UBS Group AG | 0.00% | Add +11.3% | 320,172 | $23.0M |
| Great Point Partners LLC | 5.58% | Add +50.2% | 316,453 | $22.8M |
| Vestal Point Capital, LP | 0.57% | New | 285,000 | $20.5M |
| 22NW, LP | 13.86% | Reduce -15.1% | 281,115 | $20.2M |
| Primecap Management Co. | 0.02% | Reduce -0.4% | 279,150 | $20.1M |
| Orbimed Advisors LLC | 0.45% | New | 275,000 | $19.8M |
| Gilder Gagnon Howe & Co. LLC | 0.23% | Add +30.5% | 271,758 | $19.6M |
| Nearwater Capital Markets, Ltd | 0.44% | Add +325.2% | 261,500 | $18.8M |
| Emerald Mutual Fund Advisers Trust | 0.89% | Add +1.2% | 256,106 | $18.4M |
| Susquehanna International Group, LLP | 0.02% | Reduce -35.0% | 249,090 | $17.9M |
| State Street Corp. | 0.00% | Add +25.1% | 244,727 | $17.6M |
| Deeter Investments LLP | 3.02% | New | 239,300 | $17.2M |
| Braidwell LP | 0.61% | New | 222,701 | $16.0M |
| JPMorgan Chase & Co. | 0.00% | Add +59.2% | 240,102 | $15.7M |
| Patient Square Capital LP | 2.68% | New | 210,000 | $15.1M |
| Bronte Capital Management Pty Ltd. | 1.52% | New | 198,256 | $14.3M |
| Quinn Opportunity Partners LLC | 0.68% | Add +108.8% | 179,247 | $12.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 169,308 | $12.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +39.6% | 168,007 | $12.1M |
| DAFNA Capital Management LLC | 2.74% | Add +120.2% | 165,178 | $11.9M |
| ADAR1 Capital Management, LLC | 0.70% | Add +123.9% | 161,252 | $11.6M |
| Marshall Wace, LLP | 0.01% | Add +485.2% | 140,588 | $10.1M |
| Ameriprise Financial Inc. | 0.00% | New | 136,730 | $9.8M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -14.1% | 126,942 | $9.1M |
| Creek Drive Management Group LLC | 5.70% | Reduce -31.9% | 126,400 | $9.1M |
| Squadron Capital Management LLC | 3.60% | New | 125,000 | $9.0M |
| Seven Grand Managers, LLC | 0.60% | New | 125,000 | $9.0M |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 0.75% | Reduce -35.0% | 122,326 | $8.8M |
| BNP Paribas Financial Markets | 0.01% | Reduce -42.2% | 121,539 | $8.7M |
| Jane Street Group, LLC | 0.01% | Reduce -48.4% | 112,652 | $8.1M |
| Squarepoint Ops LLC | 0.02% | Add +430.1% | 107,385 | $7.7M |
| Russell Investments Group, Ltd. | 0.01% | Add +24.0% | 106,248 | $7.6M |
| Tetragon Partners GP Ltd | 1.46% | Add +48.7% | 103,037 | $7.4M |
| Monashee Investment Management LLC | 4.65% | Add +6.2% | 100,000 | $7.2M |
| ING Groep NV | 0.04% | No change | 100,000 | $7.2M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Reduce -2.4% | 98,745 | $7.1M |
| Deutsche Bank AG | 0.00% | Add +1.0% | 91,671 | $6.6M |
| Moody Aldrich Partners LLC | 1.16% | Add +59.8% | 89,527 | $6.4M |
| Stonepine Capital Management, LLC | 5.38% | No change | 85,000 | $6.1M |
| Northern Trust Corp. | 0.00% | Add +40.2% | 78,598 | $5.7M |
| Jump Financial, LLC | 0.09% | Add +45.5% | 77,402 | $5.6M |
| Vanguard Portfolio Management LLC | 0.00% | — | 72,491 | $5.2M |
| Act Capital Management, LLC | 4.01% | Add +38.5% | 70,900 | $5.1M |
| HRT Financial LP | 0.01% | Reduce -59.3% | 70,667 | $5.1M |
| Voleon Capital Management LP | 0.10% | Reduce -4.8% | 65,063 | $4.7M |
| F/m Investments LLC | 0.29% | Add +5.1% | 61,104 | $4.4M |
| Rhenman & Partners Asset Management AB | 0.52% | New | 59,000 | $4.2M |
| Bank of America Corp. | 0.00% | Add +126.0% | 58,958 | $4.2M |
| Aquatic Capital Management LLC | 0.12% | Add +3.2% | 57,014 | $4.1M |
| Cambridge Investment Research Advisors, Inc. | 0.01% | Add +4.4% | 56,055 | $4.0M |
| Trexquant Investment LP | 0.03% | Add +194.8% | 55,476 | $4.0M |
| Fred Alger Management, LLC | 0.02% | Reduce -1.6% | 53,172 | $3.8M |
| Alyeska Investment Group, L.P. | 0.01% | New | 50,000 | $3.6M |
| Brevan Howard Capital Management LP | 0.04% | New | 48,474 | $3.5M |
| LMR Partners LLP | 0.04% | New | 48,294 | $3.5M |
| Swiss National Bank | 0.00% | Add +50.2% | 47,900 | $3.4M |
| Atom Investors LP | 0.22% | New | 43,227 | $3.1M |
| SummitTX Capital, L.P. | 0.10% | Add +36.0% | 42,624 | $3.1M |
| Renaissance Technologies | 0.00% | Reduce -75.8% | 41,781 | $3.0M |
| Landscape Capital Management, L.L.C. | 0.17% | Reduce -38.9% | 36,907 | $2.7M |
| Jain Global LLC | 0.04% | Add +109.2% | 36,181 | $2.6M |
| Informed Momentum Co LLC | 0.30% | Add +178.5% | 36,126 | $2.6M |
| Balyasny Asset Management L.P. | 0.01% | Reduce -87.3% | 35,851 | $2.6M |
| Algert Global LLC | 0.04% | Add +127.2% | 34,782 | $2.5M |
| Susquehanna Portfolio Strategies, LLC | 0.04% | Add +115.0% | 34,527 | $2.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +110.2% | 34,025 | $2.4M |
| Barclays PLC | 0.00% | Add +109.5% | 32,356 | $2.3M |
| Iridian Asset Management LLC | 0.91% | Add +222.0% | 31,320 | $2.3M |
| Birchview Capital, LP | 1.27% | No change | 31,000 | $2.2M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Add +107.0% | 30,141 | $2.2M |
| California State Teachers Retirement System | 0.00% | Add +97.5% | 28,682 | $2.1M |
| Headlands Technologies LLC | 0.23% | Reduce -31.4% | 28,244 | $2.0M |
| KVP Capital Advisors, LP | 1.45% | No change | 26,900 | $1.9M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | Add +144.4% | 26,545 | $1.9M |
| Erste Asset Management GmbH | 0.02% | No change | 28,000 | $1.8M |
| Citigroup Inc. | 0.00% | Reduce -30.0% | 25,048 | $1.8M |
| Gsa Capital Partners LLP | 0.10% | Reduce -7.7% | 21,331 | $1.5M |
| BIT Capital GmbH | 0.08% | No change | 21,100 | $1.5M |
| ExodusPoint Capital Management, LP | 0.01% | New | 20,457 | $1.5M |
| AWM Investment Company, Inc. | 0.16% | Reduce -50.0% | 20,000 | $1.4M |
| Man Group plc | 0.00% | New | 19,446 | $1.4M |
| Deuterium Capital Management, LLC | 1.51% | Reduce -51.8% | 18,000 | $1.3M |
| WINTON GROUP Ltd | 0.04% | Add +117.8% | 16,910 | $1.2M |
| Legal & General Group Plc | 0.00% | Add +34.2% | 16,658 | $1.2M |
| IMC-Chicago, LLC | 0.02% | New | 16,361 | $1.2M |
| Royal Bank of Canada | 0.00% | Add +131.0% | 16,181 | $1.2M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 15,916 | $1.1M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | New | 15,813 | $1.1M |
| Steward Partners Investment Advisory, LLC | 0.01% | Add +7189.2% | 15,526 | $1.1M |
| Tudor Investment Corporation | 0.01% | New | 14,984 | $1.1M |
| HighVista Strategies LLC | 0.29% | Add +23.9% | 14,555 | $1.0M |
| Glenmede Trust Co. NA | 0.00% | Add +61.4% | 13,865 | $998K |
| State of Wisconsin Investment Board | 0.00% | Add +58.4% | 13,670 | $984K |
| Point72 Asset Management | 0.00% | Reduce -96.9% | 13,364 | $962K |
| Walleye Capital LLC | 0.01% | New | 12,878 | $927K |
| Engineers Gate Manager LP | 0.01% | Reduce -67.0% | 12,302 | $885K |
| Fifth Lane Capital, LP | 1.06% | New | 12,000 | $863K |
| Sectoral Asset Management Inc. | 0.68% | Reduce -19.5% | 10,851 | $821K |
| T. Rowe Price Associates Inc. | 0.00% | Add +8.7% | 11,276 | $812K |
| Vanguard Global Advisers, LLC | 0.00% | — | 11,254 | $810K |
| Scientech Research LLC | 0.66% | New | 11,032 | $794K |
| Envestnet Asset Management Inc. | 0.00% | Add +102.1% | 10,883 | $783K |
| Janus Henderson Group PLC | 0.00% | Add +32.5% | 10,729 | $771K |
| Occudo Quantitative Strategies LP | 0.04% | New | 8,948 | $761K |
| Hudson Bay Capital Management LP | 0.01% | Reduce -82.7% | 10,332 | $743K |
| Palumbo Wealth Management LLC | 0.18% | Reduce -30.9% | 10,173 | $732K |
| Allstate Corp. | 0.01% | New | 9,837 | $708K |
| State of New Jersey Common Pension Fund D | 0.00% | New | 8,288 | $596K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 8,063 | $580K |
| Diametric Capital, LP | 0.14% | New | 7,411 | $533K |
| CenterBook Partners LP | 0.03% | New | 7,407 | $533K |
| PEAK6 LLC | 0.01% | New | 7,000 | $504K |
| Catalyst Funds Management Pty Ltd | 0.08% | New | 6,700 | $482K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | New | 6,695 | $482K |
| Arizona State Retirement System | 0.00% | New | 6,661 | $479K |
| Bank of New York Mellon Corp | 0.00% | New | 6,597 | $475K |
| Neo Ivy Capital Management | 0.12% | New | 6,439 | $463K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 6,355 | $457K |
| Fox Run Management, L.L.C. | 0.08% | Reduce -74.1% | 6,871 | $448K |
| Group One Trading LLC | 0.01% | Add +310.8% | 5,949 | $428K |
| Persistent Asset Partners Ltd | 0.16% | New | 5,820 | $419K |
| Simplex Trading, LLC | 0.01% | Reduce -73.9% | 5,722 | $412K |
| KLP Kapitalforvaltning As | 0.00% | Add +48.6% | 5,200 | $374K |
| Gainplan LLC | 0.27% | Reduce -63.0% | 5,000 | $360K |
| Virtus Investment Advisers, LLC | 0.10% | Add +2.5% | 4,984 | $359K |
| FNY Investment Advisers, LLC | 0.15% | Reduce -8.7% | 4,750 | $341K |
| Entropy Technologies, LP | 0.02% | New | 4,591 | $330K |
| LPL Financial LLC | 0.00% | New | 4,550 | $327K |
| Sei Investments Co. | 0.00% | Reduce -56.6% | 4,471 | $322K |
| Osaic Holdings, Inc. | 0.00% | Reduce -18.5% | 4,393 | $316K |
| Seven Fleet Capital Management LP | 0.10% | Reduce -71.3% | 4,300 | $309K |
| XTX Topco Ltd | 0.01% | Reduce -43.0% | 4,103 | $295K |
| China Universal Asset Management Co., Ltd. | 0.02% | New | 4,000 | $288K |
| Farallon Capital Management, L.L.C. | 0.00% | New | 4,000 | $288K |
| OP Asset Management Ltd | 0.00% | New | 3,991 | $287K |
| Great Lakes Advisors, LLC | 0.00% | New | 3,741 | $269K |
| Pictet Asset Management Holding SA | 0.00% | New | 3,718 | $268K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | New | 3,685 | $265K |
| Orion Porfolio Solutions, LLC | 0.00% | New | 3,543 | $255K |
| SG Americas Securities, LLC | 0.00% | Reduce -70.5% | 3,235 | $233K |
| Profund Advisors LLC | 0.01% | New | 3,159 | $227K |
| Victory Capital Management Inc. | 0.00% | New | 3,127 | $225K |
| Teacher Retirement System of Texas | 0.00% | New | 3,098 | $223K |
| Mangrove Partners Im, LLC | 0.02% | New | 3,057 | $220K |
| LVW Advisors, LLC | 0.02% | New | 3,022 | $217K |
| Raymond James Financial Inc. | 0.00% | New | 2,953 | $212K |
| Allspring Global Investments Holdings, LLC | 0.00% | New | 2,898 | $209K |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0.30% | Reduce -42.6% | 2,830 | $204K |
| Bayforest Capital Ltd | 0.20% | Reduce -0.1% | 2,538 | $183K |
| Leonteq Securities AG | 0.01% | Reduce -75.0% | 2,000 | $144K |
| Acadian Asset Management LLC | 0.00% | Reduce -97.3% | 1,989 | $141K |
| US Bancorp \de | 0.00% | Add +52.1% | 1,916 | $138K |
| Caitong International Asset Management Co., Ltd | 0.02% | New | 1,798 | $129K |
| Bessemer Group Inc. | 0.00% | Reduce -0.9% | 1,565 | $112K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -75.8% | 1,345 | $97K |
| Parallel Advisors, LLC | 0.00% | New | 1,053 | $76K |
| State of Wyoming | 0.01% | New | 927 | $67K |
| KBC Group NV | 0.00% | New | 721 | $52K |
| Natixis | 0.00% | No change | 685 | $49K |
| Allworth Financial LP | 0.00% | Add +0.7% | 681 | $49K |
| Rhumbline Advisers | 0.00% | Add +500.0% | 600 | $43K |
| Quantbot Technologies LP | 0.00% | New | 417 | $30K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +123.0% | 397 | $29K |
| Wells Fargo & Company | 0.00% | Add +71.2% | 327 | $24K |
| Jones Financial Companies LLLP | 0.00% | Add +175.2% | 300 | $21K |
| Montag A & Associates Inc. | 0.00% | New | 250 | $18K |
| Kelleher Financial Advisors | 0.00% | New | 200 | $14K |
| Activest Wealth Management | 0.00% | No change | 200 | $14K |
| Cwm, LLC | 0.00% | Reduce -14.2% | 176 | $13K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -3.4% | 141 | $10K |
| Los Angeles Capital Management LLC | 0.00% | No change | 127 | $9K |
| Ascentis Independent Advisors | 0.00% | New | 120 | $9K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | Add +73.3% | 78 | $6K |
| MTM Investment Management, LLC | 0.00% | No change | 66 | $5K |
| Brown Brothers Harriman & Co. | 0.00% | No change | 66 | $5K |
| Signaturefd, LLC | 0.00% | Reduce -14.3% | 60 | $4K |
| Parkside Financial Bank & Trust | 0.00% | New | 52 | $4K |
| Rachor Investment Advisory Services, LLC | 0.00% | Add +17.1% | 41 | $3K |
| Atlas Capital Advisors Inc. | 0.00% | No change | 40 | $3K |
| Boreal Capital Management LLC | 0.00% | No change | 36 | $3K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 20 | $1K |
| Keating Financial Advisory Services, Inc. | 0.00% | Reduce -73.9% | 18 | $1K |
| Kimelman & Baird, LLC | 0.00% | No change | 13 | $936 |
| Ameriflex Group, Inc. | 0.00% | No change | 13 | $935 |
| Medallion Wealth Advisors, LLC | 0.00% | No change | 13 | $935 |
| GAMMA Investing LLC | 0.00% | New | 6 | $432 |
| MAI Capital Management | 0.00% | New | 4 | $288 |
| Danske Bank A/S | 0.00% | No change | 2 | $144 |
| Smartleaf Asset Management LLC | 0.00% | No change | 2 | $130 |
| Inspire Investing, LLC | 0.00% | Add +0.0% | 1 | $48 |
"% of holder's portfolio" is NKTR's weight in each manager's 13F, not the share of Nektar Therapeutics the manager owns.