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

050100150200250 Q2 2025: 101Q2 2025Q3 2025: 145Q3 2025Q4 2025: 172Q4 2025Q1 2026: 208Q1 2026Q2 2026: 238Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions63$198.2M
Exits28$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.