NKTR — Institutional owners (13F)

267 filers · $2.7B total · As of Sept. 30, 2026

Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.

Institution Value Shares % of tracked 13F Type
FMR LLC $353,791,520 5,067,920 13.17% Shares
Two Seas Capital LP $215,868,856 3,092,234 8.04% Shares
BlackRock, Inc. $205,370,620 2,941,851 7.64% Shares
BVF INC/IL $166,920,946 2,391,075 6.21% Shares
VANGUARD CAPITAL MANAGEMENT LLC $104,495,029 1,496,849 3.89% Shares
TWO SIGMA INVESTMENTS, LP $83,911,899 1,202,004 3.12% Shares
Vestal Point Capital, LP $69,810,000 1,000,000 2.60% Shares
MORGAN STANLEY $65,381,263 936,560 2.43% Shares
STATE STREET CORP $63,504,691 909,679 2.36% Shares
GEODE CAPITAL MANAGEMENT, LLC $61,536,312 881,306 2.29% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $57,502,497 823,700 2.14% Call option
Prosight Management, LP $56,546,100 810,000 2.10% Shares
ARMISTICE CAPITAL, LLC $50,542,440 724,000 1.88% Shares
VANGUARD GROUP INC $43,425,322 1,027,089 1.62% Shares
GILDER GAGNON HOWE & CO LLC $41,946,944 600,873 1.56% Shares
MILLENNIUM MANAGEMENT LLC $33,377,557 478,120 1.24% Shares
BRAIDWELL LP $33,063,203 473,617 1.23% Shares
Sofinnova Investments, Inc. $32,933,775 471,763 1.23% Shares
Woodline Partners LP $32,871,784 470,875 1.22% Shares
ORBIMED ADVISORS LLC $32,485,804 465,346 1.21% Shares
UBS Group AG $29,906,604 428,400 1.11% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $27,540,045 394,500 1.03% Put option
EMERALD ADVISERS, LLC $27,236,930 390,158 1.01% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $24,331,577 348,540 0.91% Shares
DAFNA Capital Management LLC $22,226,108 318,380 0.83% Shares
NORTHERN TRUST CORP $21,538,548 308,531 0.80% Shares
Deep Track Capital, LP $20,943,000 300,000 0.78% Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $19,893,826 284,971 0.74% Shares
22NW, LP $19,624,638 281,115 0.73% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $19,475,384 278,977 0.72% Shares
PRIMECAP MANAGEMENT CO/CA/ $19,047,658 272,850 0.71% Shares
BARCLAYS PLC $18,315,491 262,362 0.68% Shares
Nearwater Capital Markets, Ltd $18,255,315 261,500 0.68% Shares
EMERALD MUTUAL FUND ADVISERS TRUST $17,842,528 255,587 0.66% Shares
ADAR1 Capital Management, LLC $17,046,485 244,184 0.63% Shares
Creek Drive Management Group LLC $16,963,830 243,000 0.63% Shares
SEVEN GRAND MANAGERS, LLC $16,754,400 240,000 0.62% Shares
DEUTSCHE BANK AG\ $16,742,602 239,831 0.62% Shares
VANGUARD FIDUCIARY TRUST CO $16,724,731 239,575 0.62% Shares
GOLDMAN SACHS GROUP INC $15,950,887 228,490 0.59% Shares
NORGES BANK $15,030,093 215,300 0.56% Shares
Bronte Capital Management Pty Ltd. $13,852,678 198,434 0.52% Shares
TWO SIGMA ADVISERS, LP $13,039,744 308,414 0.49% Shares
CITADEL ADVISORS LLC $12,251,655 175,500 0.46% Put option
GREAT POINT PARTNERS LLC $12,216,750 175,000 0.45% Shares
Caption Management, LLC $11,944,491 171,100 0.44% Call option
MILLENNIUM MANAGEMENT LLC $11,867,700 170,000 0.44% Call option
AMERIPRISE FINANCIAL INC $11,584,330 165,941 0.43% Shares
CITADEL ADVISORS LLC $11,434,878 163,800 0.43% Call option
CITADEL ADVISORS LLC $11,151,938 159,747 0.42% Shares
Quinn Opportunity Partners LLC $10,686,236 153,076 0.40% Shares
Rhenman & Partners Asset Management AB $9,860,662 141,250 0.37% Shares
Qube Research & Technologies Ltd $9,111,671 130,521 0.34% Shares
LMR Partners LLP $9,075,300 130,000 0.34% Put option
Soleus Capital Management, L.P. $8,960,951 128,362 0.33% Shares
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. $8,570,364 122,767 0.32% Shares
Stonepine Capital Management, LLC $8,422,856 120,654 0.31% Shares
SummitTX Capital, L.P. $7,883,923 112,934 0.29% Shares
Jump Financial, LLC $7,494,173 107,351 0.28% Shares
APEIRON CAPITAL Ltd $7,429,948 106,431 0.28% Shares
CITIGROUP INC $7,173,676 102,760 0.27% Shares
ING GROEP NV $6,981,000 100,000 0.26% Shares
LMR Partners LLP $6,981,000 100,000 0.26% Shares
Nuveen, LLC $6,746,159 96,636 0.25% Shares
Bank of New York Mellon Corp $6,706,024 96,061 0.25% Shares
Susquehanna Portfolio Strategies, LLC $6,685,704 95,770 0.25% Shares
Militia Capital Management LLC $6,282,900 90,000 0.23% Shares
ACT CAPITAL MANAGEMENT, LLC $6,234,033 89,300 0.23% Shares
Russell Investments Group, Ltd. $6,220,056 89,099 0.23% Shares
Tetragon Partners GP Ltd $6,073,191 86,996 0.23% Shares
READYSTATE ASSET MANAGEMENT LP $5,941,529 85,110 0.22% Shares
Birchview Capital, LP $5,654,610 81,000 0.21% Shares
Invesco Ltd. $5,574,765 79,856 0.21% Shares
GROUP ONE TRADING LLC $4,912,600 70,371 0.18% Shares
ALGERT GLOBAL LLC $4,686,345 67,130 0.17% Shares
Moody Aldrich Partners LLC $4,477,264 64,135 0.17% Shares
WOLVERINE TRADING, LLC $4,330,620 73,500 0.16% Put option
Swiss National Bank $4,300,296 61,600 0.16% Shares
F/m Investments LLC $4,229,439 60,585 0.16% Shares
BANK OF AMERICA CORP /DE/ $4,227,764 60,561 0.16% Shares
ExodusPoint Capital Management, LP $4,084,374 58,507 0.15% Shares
Trexquant Investment LP $3,956,831 56,680 0.15% Shares
K2 PRINCIPAL FUND, L.P. $3,522,962 50,465 0.13% Shares
WOLVERINE TRADING, LLC $3,403,101 57,758 0.13% Shares
RHUMBLINE ADVISERS $3,008,381 43,094 0.11% Shares
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. $2,925,179 41,902 0.11% Shares
Voleon Capital Management LP $2,850,901 40,838 0.11% Shares
Anson Funds Management LP $2,829,748 40,535 0.11% Shares
Atom Investors LP $2,828,631 40,519 0.11% Shares
WOLVERINE TRADING, LLC $2,792,808 47,400 0.10% Call option
Burkehill Global Management, LP $2,792,400 40,000 0.10% Shares
NOMURA HOLDINGS INC $2,792,400 40,000 0.10% Put option
IRIDIAN ASSET MANAGEMENT LLC/CT $2,708,768 38,802 0.10% Shares
NOMURA HOLDINGS INC $2,698,645 38,657 0.10% Shares
Jefferies Financial Group Inc. $2,664,299 38,165 0.10% Shares
ALLIANCEBERNSTEIN L.P. $2,590,200 36,000 0.10% Shares
Connor, Clark & Lunn Investment Management Ltd. $2,575,780 36,897 0.10% Shares
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $2,448,099 34,025 0.09% Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $2,430,784 34,820 0.09% Shares
ALPS ADVISORS INC $2,386,664 34,188 0.09% Shares
FRED ALGER MANAGEMENT, LLC $2,350,712 33,673 0.09% Shares
TUDOR INVESTMENT CORP ET AL $2,345,616 33,600 0.09% Call option
Ghisallo Capital Management LLC $2,233,920 32,000 0.08% Shares
WELLS FARGO & COMPANY/MN $2,205,018 31,586 0.08% Shares
Blackstone Inc. $2,002,011 28,678 0.07% Shares
KVP Capital Advisors, LP $1,877,889 26,900 0.07% Shares
Ishara Investments LP $1,860,437 26,650 0.07% Shares
Erste Asset Management GmbH $1,830,920 28,000 0.07% Shares
Caption Management, LLC $1,822,041 26,100 0.07% Put option
WINTON GROUP Ltd $1,808,079 25,900 0.07% Shares
K2 PRINCIPAL FUND, L.P. $1,745,250 25,000 0.06% Call option
Legal & General Group Plc $1,660,083 23,780 0.06% Shares
Empowered Funds, LLC $1,636,416 23,441 0.06% Shares
JANE STREET GROUP, LLC $1,633,554 23,400 0.06% Put option
AQR CAPITAL MANAGEMENT LLC $1,573,657 22,542 0.06% Shares
JANE STREET GROUP, LLC $1,570,725 22,500 0.06% Call option
Exome Asset Management LLC $1,564,931 22,417 0.06% Shares
IMC-Chicago, LLC $1,564,582 22,412 0.06% Shares
JPMORGAN CHASE & CO $1,535,880 22,138 0.06% Shares
Brevan Howard Capital Management LP $1,530,096 21,918 0.06% Shares
BIT Capital GmbH $1,472,991 21,100 0.05% Shares
VANGUARD ASSET MANAGEMENT, Ltd $1,472,014 21,086 0.05% Shares
AWM Investment Company, Inc. $1,460,774 20,925 0.05% Shares
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC $1,408,556 20,177 0.05% Shares
MetLife Investment Management, LLC $1,402,273 20,087 0.05% Shares
BNP PARIBAS FINANCIAL MARKETS $1,340,352 19,200 0.05% Shares
Engineers Gate Manager LP $1,339,165 19,183 0.05% Shares
XTX Topco Ltd $1,335,116 19,125 0.05% Shares
Steward Partners Investment Advisory, LLC $1,276,057 18,279 0.05% Shares
STATE OF WISCONSIN INVESTMENT BOARD $1,201,290 17,208 0.04% Shares
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $1,193,000 17,092 0.04% Shares
Diametric Capital, LP $1,114,656 15,967 0.04% Shares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $1,103,347 15,805 0.04% Shares
Gainplan LLC $1,044,497 14,962 0.04% Shares
JACOBS LEVY EQUITY MANAGEMENT, INC $1,007,707 14,435 0.04% Shares
SIMPLEX TRADING, LLC $1,002,262 14,357 0.04% Shares
GLENMEDE TRUST CO NA $939,642 13,460 0.03% Shares
Vanguard Global Advisers, LLC $914,790 13,104 0.03% Shares
IEQ CAPITAL, LLC $905,994 12,978 0.03% Shares
Focus Partners Wealth $895,383 12,826 0.03% Shares
NEW YORK STATE COMMON RETIREMENT FUND $844,701 12,100 0.03% Shares
MANUFACTURERS LIFE INSURANCE COMPANY, THE $807,283 11,564 0.03% Shares
WELLINGTON MANAGEMENT GROUP LLP $801,977 11,488 0.03% Shares
D. E. Shaw & Co., Inc. $774,891 11,100 0.03% Call option
OCCUDO QUANTITATIVE STRATEGIES LP $773,076 11,074 0.03% Shares
JANUS HENDERSON GROUP PLC $771,093 10,729 0.03% Shares
Palumbo Wealth Management LLC $720,370 10,319 0.03% Shares
ENVESTNET ASSET MANAGEMENT INC $713,668 10,223 0.03% Shares
Police & Firemen's Retirement System of New Jersey $709,688 10,166 0.03% Shares
SECTORAL ASSET MANAGEMENT INC $705,849 10,111 0.03% Shares
State of New Jersey Common Pension Fund D $693,423 9,933 0.03% Shares
ALLSTATE CORP $693,143 9,929 0.03% Shares
RAYMOND JAMES FINANCIAL INC $653,212 9,357 0.02% Shares
HB Wealth Management, LLC $650,280 9,315 0.02% Shares
HighVista Strategies LLC $607,906 8,708 0.02% Shares
ARIZONA STATE RETIREMENT SYSTEM $591,779 8,477 0.02% Shares
OP Asset Management Ltd $581,727 8,333 0.02% Shares
JANE STREET GROUP, LLC $581,308 8,327 0.02% Shares
ROYAL BANK OF CANADA $568,000 8,137 0.02% Shares
Vanguard Investments Australia, Ltd. $541,307 7,754 0.02% Shares
Glenmede Investment Management, LP $523,480 9,200 0.02% Shares
Persistent Asset Partners Ltd $522,248 7,481 0.02% Shares
Capstone Capital Management Ltd $493,277 7,066 0.02% Shares
KLP KAPITALFORVALTNING AS $488,670 7,000 0.02% Shares
Rangeley Capital, LLC $488,670 7,000 0.02% Shares
CAPSTONE INVESTMENT ADVISORS, LLC $481,829 6,902 0.02% Shares
Zurcher Kantonalbank (Zurich Cantonalbank) $467,378 6,695 0.02% Shares
VOYA INVESTMENT MANAGEMENT LLC $460,467 6,596 0.02% Shares
Sandro Wealth Management LLC $450,624 6,455 0.02% Shares
INTECH INVESTMENT MANAGEMENT LLC $448,599 6,426 0.02% Shares
Squarepoint Ops LLC $405,387 5,807 0.02% Shares
PRUDENTIAL FINANCIAL INC $392,751 5,626 0.01% Shares
LPL Financial LLC $391,978 5,615 0.01% Shares
Virtus Investment Advisers, LLC $384,653 5,510 0.01% Shares
Intellectus Partners, LLC $376,974 5,400 0.01% Shares
SEI INVESTMENTS CO $371,110 5,316 0.01% Shares
GABELLI FUNDS LLC $366,503 5,250 0.01% Shares
PROFUND ADVISORS LLC $360,848 5,169 0.01% Shares
HSBC HOLDINGS PLC $327,931 4,622 0.01% Shares
Pictet Asset Management Holding SA $326,990 4,684 0.01% Shares
Entropy Technologies, LP $317,426 4,547 0.01% Shares
ProShare Advisors LLC $315,053 4,513 0.01% Shares
BANK OF MONTREAL /CAN/ $310,096 4,442 0.01% Shares
Leonteq Securities AG $307,164 4,400 0.01% Shares
OSAIC HOLDINGS, INC. $292,001 4,183 0.01% Shares
Vanguard Personalized Indexing Management, LLC $291,945 4,182 0.01% Shares
RFG Advisory, LLC $279,240 4,000 0.01% Call option
CIBC Bancorp USA Inc. $271,979 3,896 0.01% Shares
Marex Group Ltd $265,278 3,800 0.01% Shares
VICTORY CAPITAL MANAGEMENT INC $262,974 3,767 0.01% Shares
TEACHER RETIREMENT SYSTEM OF TEXAS $250,688 3,591 0.01% Shares
Rafferty Asset Management, LLC $244,265 3,499 0.01% Shares
XPONANCE LLC $235,539 3,374 0.01% Shares
Pale Fire Capital SE $233,864 3,350 0.01% Shares
Cubist Systematic Strategies, LLC $233,126 4,097 0.01% Shares
MARSHALL WACE, LLP $230,373 3,300 0.01% Shares
Quarry LP $226,883 3,250 0.01% Shares
Orion Porfolio Solutions, LLC $222,066 3,181 0.01% Shares
Ameritas Investment Partners, Inc. $218,366 3,128 0.01% Shares
TUDOR INVESTMENT CORP ET AL $216,411 3,100 0.01% Put option
LVW Advisors, LLC $210,966 3,022 0.01% Shares
Allspring Global Investments Holdings, LLC $208,802 2,991 0.01% Shares
GREAT LAKES ADVISORS, LLC $205,660 2,946 0.01% Shares
SBI Securities Co., Ltd. $191,978 2,750 0.01% Shares
State of Wyoming $166,078 2,379 0.01% Shares
Tower Research Capital LLC (TRC) $161,121 2,308 0.01% Shares
Bayforest Capital Ltd $157,771 2,260 0.01% Shares
Freestone Grove Partners LP $154,769 2,217 0.01% Shares
Mitsubishi UFJ Trust & Banking Corp $141,226 2,023 0.01% Shares
US BANCORP \DE\ $120,841 1,731 0.00% Shares
China Universal Asset Management Co., Ltd. $111,696 1,600 0.00% Shares
Allostery Investments LP $103,360 4,000 0.00% Shares
Parallel Advisors, LLC $73,091 1,047 0.00% Shares
HOLLENCREST CAPITAL MANAGEMENT $53,056 760 0.00% Shares
Allworth Financial LP $49,845 714 0.00% Shares
NATIXIS $47,820 685 0.00% Shares
RFG Advisory, LLC $41,328 592 0.00% Shares
Vista Wealth Management Group, LLC $35,020 51,500 0.00% Shares
BNP PARIBAS ASSET MANAGEMENT Holding S.A. $32,741 469 0.00% Shares
NISA INVESTMENT ADVISORS, LLC $32,252 462 0.00% Shares
LORD, ABBETT & CO. LLC $26,641 381,624 0.00% Shares
JONES FINANCIAL COMPANIES LLLP $22,023 346 0.00% Shares
Kemnay Advisory Services Inc. $21,152 303 0.00% Shares
MONTAG A & ASSOCIATES INC $17,453 250 0.00% Shares
Lavaca Capital LLC $13,962 200 0.00% Shares
Rockefeller Capital Management L.P. $13,962 200 0.00% Shares
Activest Wealth Management $13,962 200 0.00% Shares
CWM, LLC $12,663 176 0.00% Shares
Sterling Capital Management LLC $12,636 181 0.00% Shares
KELLEHER FINANCIAL ADVISORS $10,472 150 0.00% Shares
LOS ANGELES CAPITAL MANAGEMENT LLC $8,866 127 0.00% Shares
Aster Capital Management (DIFC) Ltd $8,866 127 0.00% Shares
Optiver Holding B.V. $8,726 125 0.00% Shares
MassMutual Private Wealth & Trust, FSB $7,400 106 0.00% Shares
CIBC Private Wealth Group LLC $5,690 100 0.00% Shares
EverSource Wealth Advisors, LLC $5,655 81 0.00% Shares
Truvestments Capital LLC $5,166 74 0.00% Shares
MTM Investment Management, LLC $4,607 66 0.00% Shares
SIGNATUREFD, LLC $4,189 60 0.00% Shares
Essential Partners LLC $4,189 60 0.00% Shares
Cambridge Investment Research Advisors, Inc. $3,922 56,186 0.00% Shares
Elequin Capital, LP $3,909 56 0.00% Shares
PRICE T ROWE ASSOCIATES INC /MD/ $3,189 45,680 0.00% Shares
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO $3,114 44,600 0.00% Shares
ATLAS CAPITAL ADVISORS INC. $2,792 40 0.00% Shares
Boreal Capital Management LLC $2,513 36 0.00% Shares
ROTHSCHILD INVESTMENT LLC $1,466 21 0.00% Shares
GSA CAPITAL PARTNERS LLP $1,123 16,080 0.00% Shares
AllSquare Wealth Management LLC $1,024 18 0.00% Shares
FIFTH THIRD BANCORP $977 14 0.00% Shares
AMERIFLEX GROUP, INC. $908 13 0.00% Shares
Kimelman & Baird, LLC $908 13 0.00% Shares
ORG Partners LLC $845 20 0.00% Shares
Arax Advisory Partners $628 9 0.00% Shares
SG Americas Securities, LLC $492 7,042 0.00% Shares
GAMMA Investing LLC $419 6 0.00% Shares
FNY Investment Advisers, LLC $383 5,500 0.00% Shares
Versant Capital Management, Inc $303 5 0.00% Shares
DANSKE BANK A/S $140 2 0.00% Shares
Farther Finance Advisors, LLC $140 2 0.00% Shares
Smartleaf Asset Management LLC $131 2 0.00% Shares
BESSEMER GROUP INC $109 1,565 0.00% Shares
KBC Group NV $81 1,167 0.00% Shares
LRI Investments, LLC $70 1 0.00% Shares
SJS Investment Consulting Inc. $70 1 0.00% Shares
Inspire Investing, LLC $48 1 0.00% Shares
HUNTINGTON NATIONAL BANK $1 1 0.00% Shares