NEKTAR THERAPEUTICS (NKTR): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in NKTR · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
16
13F filers
Aggregate Value
$238.7M
Across holders
Last Price
$73.69
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity8 increased8 reduced9 exited
Full exits: FARALLON CAPITAL MANAGEMENT LLC, Point72 Asset Management, L.P., Hudson Bay Capital Management LP, RENAISSANCE TECHNOLOGIES LLC, BALYASNY ASSET MANAGEMENT LLC, Schonfeld Strategic Advisors LLC, TUDOR INVESTMENT CORP ET AL, Man Group plc, Walleye Capital LLC
Institutional Holders of NKTR
16 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.20M$83.9M35.2%0.1%Added+$18.9MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund478K$33.4M14.0%0.0%Added+$5.2MQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund471K$32.9M13.8%0.1%Added+$3.9MQ2 2026
ORBIMED ADVISORS LLC
CIK 0001055951
Hedge Fund465K$32.5M13.6%0.6%Added+$13.3MQ2 2026
PRIMECAP MANAGEMENT CO/CA/
CIK 0000763212
Institutional Manager273K$19.0M8.0%0.0%Reduced$-440KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund160K$11.2M4.7%0.0%Reduced$-47.1MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund131K$9.1M3.8%0.0%Reduced$-18.2MQ2 2026
Tetragon Partners GP Ltd
CIK 0001515070
Hedge Fund87K$6.1M2.5%1.0%Reduced$-1.1MQ2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund59K$4.1M1.7%0.0%AddedQ2 2026
FRED ALGER MANAGEMENT, LLC
CIK 0000003520
Hedge Fund34K$2.4M1.0%0.0%Reduced$-1.4MQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$83.9M· 35.2% of total· 0.1% port· 1.20M sh· +$18.9M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$33.4M· 14.0% of total· 0.0% port· 478K sh· +$5.2M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$32.9M· 13.8% of total· 0.1% port· 471K sh· +$3.9M QoQ· Q2 2026
ORBIMED ADVISORS LLCAdded
Hedge Fund
$32.5M· 13.6% of total· 0.6% port· 465K sh· +$13.3M QoQ· Q2 2026
PRIMECAP MANAGEMENT CO/CA/Reduced
Institutional Manager
$19.0M· 8.0% of total· 0.0% port· 273K sh· $-440K QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$11.2M· 4.7% of total· 0.0% port· 160K sh· $-47.1M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$9.1M· 3.8% of total· 0.0% port· 131K sh· $-18.2M QoQ· Q2 2026
Tetragon Partners GP LtdReduced
Hedge Fund
$6.1M· 2.5% of total· 1.0% port· 87K sh· $-1.1M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$4.1M· 1.7% of total· 0.0% port· 59K sh· QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCReduced
Hedge Fund
$2.4M· 1.0% of total· 0.0% port· 34K sh· $-1.4M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$1.6M· 0.7% of total· 0.0% port· 23K sh· QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$1.5M· 0.6% of total· 0.0% port· 22K sh· +$637K QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$482K· 0.2% of total· 0.0% port· 7K sh· QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$405K· 0.2% of total· 0.0% port· 6K sh· $-7.1M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$230K· 0.1% of total· 0.0% port· 3K sh· $-3.8M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$14K· 0.0% of total· 0.0% port· 200 sh· QoQ· Q2 2026
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