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Nektar Therapeutics (NKTR)

CUSIP: 640268306 | NYSE | Healthcare · Biotechnology | Mid Cap | 354 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
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Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/ATwo Seas Capital GP LLC3,345,9789.8%+253,744Sep 25, 2026No 13F filer matched
13G/ABVF Partners L P
with BVF GP Holdings LLC, Biotechnology Value Fund L P, BVF I GP LLC, +4 more
2,391,0757.1%New 5%+ stakeJun 30, 2026No 13F filer matched
13G/ATwo Seas Capital GP LLC3,345,978
9.8% of class · Sep 25, 2026+253,744
No 13F filer matched
13G/ABVF Partners L P2,391,075
7.1% of class · Jun 30, 2026New 5%+ stake
with BVF GP Holdings LLC, Biotechnology Value Fund L P, BVF I GP LLC, +4 more
No 13F filer matched

Institutional Holders — Q3 2026

Two Seas Capital LP3,345,978
2.3% of portfolio›$202.6M
Citigroup Inc280,825
0.0% of portfolio›$17.0M
Iridian Asset Management LLC94,697
2.1% of portfolio›$5.7M
Moody Aldrich Partners LLC58,902
0.7% of portfolio›$3.6M
Cambridge Investment Research Advisors, Inc.56,267
0.0% of portfolio›$3.4K
Apeiron Capital Ltd51,400
4.9% of portfolio›$3.6M
Alps Advisors Inc45,259
0.0% of portfolio›$2.7M
Simplex Trading, LLC32,514
0.0% of portfolio›$2.0M
CenterBook Partners LP26,346
0.1% of portfolio›$1.6M
Profund Advisors LLC15,021
0.0% of portfolio›$909.4K
HB Wealth Management, LLC9,930
0.0% of portfolio›$601.2K
Arizona State Retirement System8,325
0.0% of portfolio›$504.0K
FNY Investment Advisers, LLC6,000
0.0% of portfolio›$363
Pictet Asset Management Holding SA4,684
0.0% of portfolio›$283.6K
ProShare Advisors LLC4,327
0.0% of portfolio›$262.0K
Leonteq Securities AG4,000
0.0% of portfolio›$242.2K
Principal Financial Group Inc3,753
0.0% of portfolio›$227.2K
Creative Planning3,598
0.0% of portfolio›$217.8K
LVW Advisors, LLC3,412
0.0% of portfolio›$206.6K
Xponance LLC3,310
0.0% of portfolio›$200.4K
SBI Securities Co., Ltd.2,639
0.0% of portfolio›$159.8K
China Universal Asset Management Co., Ltd.2,160
0.0% of portfolio›$128.0K
Bayforest Capital Ltd2,118
0.2% of portfolio›$128.2K
KBC Group NV1,167
0.0% of portfolio›$71
Sterling Capital Management LLC1,099
0.0% of portfolio›$66.5K
Parallel Advisors, LLC1,056
0.0% of portfolio›$63.9K
Nisa Investment Advisors, LLC529
0.0% of portfolio›$32.0K
Gamma Investing LLC257
0.0% of portfolio›$15.6K
Montag A & Associates Inc250
0.0% of portfolio›$15.1K
Activest Wealth Management200
0.0% of portfolio›$12.1K
Ascentis Independent Advisors195
0.0% of portfolio›$11.8K
Compass Wealth Management LLC133
0.0% of portfolio›$8.1K
EverSource Wealth Advisors, LLC126
0.0% of portfolio›$7.6K
Essential Partners LLC67
0.0% of portfolio›$4.1K
MTM Investment Management, LLC66
0.0% of portfolio›$4.0K
Signaturefd, LLC60
0.0% of portfolio›$3.6K
Parkside Financial Bank & Trust50
0.0% of portfolio›$3.0K
SJS Investment Consulting Inc.41
0.0% of portfolio›$2.5K
Root Financial Partners, LLC34
0.0% of portfolio›$2.1K
Farther Finance Advisors, LLC30
0.0% of portfolio›$1.8K
Caitong International Asset Management Co., Ltd25
0.0% of portfolio›$1.5K
Kimelman & Baird, LLC13
0.0% of portfolio›$788
Financial Consulate, Inc13
0.0% of portfolio›$788
True Wealth Design, LLC5
0.0% of portfolio›$303
Covestor Ltd5
0.0% of portfolio›$0
Versant Capital Management, Inc5
0.0% of portfolio›$303
Compass Financial Management LLC1
0.0% of portfolio›$61
Inspire Investing, LLC1
0.0% of portfolio›$40
StyleTurnoverLocationFiled
Two Seas Capital LP
3,345,978$202.6M2.3%MomentumMediumRye, NY2026-10-06
Citigroup Inc
280,825$17.0M0.0%CoreMediumNew York, NY2026-11-04
Iridian Asset Management LLC
94,697$5.7M2.1%Deep ValueMediumWestport, CT2026-10-23
Moody Aldrich Partners LLC
58,902$3.6M0.7%ValueHighMarblehead, MA2026-10-27
Cambridge Investment Research Advisors, Inc.
56,267$3.4K0.0%ETFLowFairfield, IA2026-11-02
Apeiron Capital Ltd
51,400$3.6M4.9%CoreHighHong Kong, South Korea2026-11-04
Alps Advisors Inc
45,259$2.7M0.0%YieldLowDenver, CO2026-11-03
Simplex Trading, LLC
32,514$2.0M0.0%CoreVery HighChicago, IL2026-11-04
CenterBook Partners LP
26,346$1.6M0.1%ValueVery HighGreenwich, CT2026-11-02
Profund Advisors LLC
15,021$909.4K0.0%GrowthLowBethesda, MD2026-10-29
HB Wealth Management, LLC
9,930$601.2K0.0%IndexVery LowAtlanta, GA2026-10-23
Arizona State Retirement System
8,325$504.0K0.0%IndexVery LowPhoenix, AZ2026-11-03
FNY Investment Advisers, LLC
6,000$3630.0%GrowthVery HighNew York, NY2026-10-16
Pictet Asset Management Holding SA
4,684$283.6K0.0%GrowthMediumCarouge, Switzerland2026-11-03
ProShare Advisors LLC
4,327$262.0K0.0%GrowthLowBethesda, MD2026-10-29
Leonteq Securities AG
4,000$242.2K0.0%CoreHighZurich, Switzerland2026-10-29
Principal Financial Group Inc
3,753$227.2K0.0%CoreLowDes Moines, IA2026-11-02
Creative Planning
3,598$217.8K0.0%IndexVery LowOverland Park, KS2026-11-02
LVW Advisors, LLC
3,412$206.6K0.0%CoreMediumPittsford, NY2026-10-19
Xponance LLC
3,310$200.4K0.0%IndexVery LowPhiladelphia, PA2026-11-03
SBI Securities Co., Ltd.
2,639$159.8K0.0%Agg GrowthLowTokyo, Mexico2026-10-22
China Universal Asset Management Co., Ltd.
2,160$128.0K0.0%GrowthMediumShanghai, France2026-10-28
Bayforest Capital Ltd
2,118$128.2K0.2%Deep ValueVery HighLondon, United Kingdom2026-11-03
KBC Group NV
1,167$710.0%CoreMediumBrussels, Czech Republic2026-10-22
Sterling Capital Management LLC
1,099$66.5K0.0%GARPMediumCharlotte, NC2026-10-22
Parallel Advisors, LLC
1,056$63.9K0.0%IndexLowSan Francisco, CA2026-11-03
Nisa Investment Advisors, LLC
529$32.0K0.0%IndexVery LowSt. Louis, MO2026-10-20
Gamma Investing LLC
257$15.6K0.0%IndexVery LowFoster City, CA2026-10-08
Montag A & Associates Inc
250$15.1K0.0%CoreLowAtlanta, GA2026-10-29
Activest Wealth Management
200$12.1K0.0%ETFLowAventura, FL2026-10-15
Ascentis Independent Advisors
195$11.8K0.0%ETFLowDallas, TX2026-11-03
Compass Wealth Management LLC
133$8.1K0.0%GARPLowGuilford, CT2026-10-22
EverSource Wealth Advisors, LLC
126$7.6K0.0%CoreMediumBirmingham, AL2026-11-04
Essential Partners LLC
67$4.1K0.0%ValueMediumRancho Santa Fe, CA2026-10-14
MTM Investment Management, LLC
66$4.0K0.0%CoreVery LowSpartanburg, SC2026-10-30
Signaturefd, LLC
60$3.6K0.0%IndexLowAtlanta, GA2026-10-23
Parkside Financial Bank & Trust
50$3.0K0.0%CoreVery LowSaint Louis, MO2026-10-27
SJS Investment Consulting Inc.
41$2.5K0.0%ETFVery LowSylvania, OH2026-10-26
Root Financial Partners, LLC
34$2.1K0.0%ETFMediumEncinitas, CA2026-10-21
Farther Finance Advisors, LLC
30$1.8K0.0%IndexLowSan Francisco, CA2026-10-08
Caitong International Asset Management Co., Ltd
25$1.5K0.0%GrowthVery HighHong Kong, South Korea2026-10-29
Kimelman & Baird, LLC
13$7880.0%CoreLowNew York, NY2026-11-03
Financial Consulate, Inc
13$7880.0%ETFLowHunt Valley, MD2026-10-23
True Wealth Design, LLC
5$3030.0%ETFMediumAkron, OH2026-10-13
Covestor Ltd
5$00.0%ValueHighLondon, United Kingdom2026-10-30
Versant Capital Management, Inc
5$3030.0%GARPLowPhoenix, AZ2026-10-02
Compass Financial Management LLC
1$610.0%CoreN/ATampa, FL2026-10-30
Inspire Investing, LLC
1$400.0%GARPHighMeridian, ID2026-10-22