| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BIOTECHNOLOGY VALUE FUND L P | 7.4% | $32,978,662 | 1,276,595 | BVF PARTNERS L P/IL | 01 Jul 2025 | |||
| VANGUARD GROUP INC | 5% | +1.2% | $43,425,528 | +$3,316,543 | 1,027,089 | +8.3% | The Vanguard Group | 31 Dec 2025 |
| SUSQUEHANNA SECURITIES, LLC | 4% | -38% | $34,245,405 | -$18,006,925 | 809,967 | -34% | G1 Execution Services, LLC | 31 Dec 2025 |
| INTEGRATED CORE STRATEGIES (US) LLC | 3% | -48% | $32,489,559 | -$20,590,346 | 570,994 | -39% | Millennium Management LLC | 30 Sep 2025 |
| Nantahala Capital Management, LLC | 2.2% | -59% | $23,813,902 | -$16,571,499 | 418,522 | -41% | Nantahala Capital Management, LLC | 30 Sep 2025 |
| BlackRock, Inc. | 1.6% | $5,245,655 | 203,017 | BlackRock, Inc. | 30 Jun 2025 |
As of 31 Dec 2025, 171 institutional investors reported holding 17,311,463 shares of NEKTAR THERAPEUTICS - Common Stock, $0.0001 par value per share (NKTR). This represents 85% of the company’s total 20,249,175 outstanding shares.
The largest institutional shareholders of NEKTAR THERAPEUTICS - Common Stock, $0.0001 par value per share (NKTR) together control 59% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BVF INC/IL | 7.7% | 1,559,595 | +22% | 2.2% | $65,939,677 |
| VANGUARD GROUP INC | 5.1% | 1,027,089 | +8.3% | 0% | $43,425,322 |
| Two Seas Capital LP | 3.7% | 745,185 | 1.8% | $31,506,422 | |
| BlackRock, Inc. | 3.2% | 645,607 | +6% | 0% | $27,296,262 |
| ARMISTICE CAPITAL, LLC | 2.9% | 596,000 | +122% | 0.62% | $25,198,880 |
| MORGAN STANLEY | 2.8% | 566,421 | -39% | 0% | $23,948,280 |
| Prosight Management, LP | 2.7% | 554,633 | 4.8% | $23,449,883 | |
| TWO SIGMA INVESTMENTS, LP | 2.3% | 473,014 | +8.9% | 0.03% | $19,999,032 |
| Invesco Ltd. | 2.3% | 468,159 | +106% | 0% | $19,793,774 |
| MILLENNIUM MANAGEMENT LLC | 2.2% | 454,075 | -17% | 0.01% | $19,198,291 |
| Sofinnova Investments, Inc. | 2.2% | 438,630 | +270% | 0.8% | $18,545,276 |
| Point72 Asset Management, L.P. | 2.1% | 433,419 | +250% | 0.03% | $18,324,955 |
| EMERALD ADVISERS, LLC | 1.9% | 384,342 | +19% | 0.5% | $16,249,980 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.9% | 383,310 | -59% | 0.02% | $16,206,346 |
| 22NW, LP | 1.6% | 331,115 | 0% | 11% | $13,999,542 |
| Qube Research & Technologies Ltd | 1.6% | 323,915 | +8051% | 0.02% | $13,695,126 |
| CITADEL ADVISORS LLC | 1.5% | 309,777 | -14% | 0.01% | $13,097,371 |
| TWO SIGMA ADVISERS, LP | 1.5% | 308,414 | +72% | 0.03% | $13,039,744 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 1.5% | 295,716 | +72% | 0.04% | $12,502,872 |
| UBS Group AG | 1.4% | 287,561 | +217% | 0% | $12,158,079 |
| Balyasny Asset Management L.P. | 1.4% | 282,021 | +54% | 0.02% | $11,923,848 |
| PRIMECAP MANAGEMENT CO/CA/ | 1.4% | 280,150 | -3.1% | 0.01% | $11,844,742 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.3% | 254,361 | +13% | 0% | $10,757,656 |
| EMERALD MUTUAL FUND ADVISERS TRUST | 1.3% | 253,125 | +8.5% | 0.52% | $10,702,125 |
| JANE STREET GROUP, LLC | 1.1% | 218,337 | 0.01% | $9,231,289 |