Nektar TherapeuticsNKTR
13F holders, Q1 2026 (March 31)208holders +36
63new positions
28sold out
5famous investors
$71.89avg. 13F price*
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 |
"% of holder's portfolio" is NKTR's weight in each manager's 13F, not the share of Nektar Therapeutics the manager owns.