Nektar Therapeutics (NKTR) Holders & Ownership

Nektar Therapeutics (NKTR) ownership: insiders 0% · institutions 77% · index and ETF funds 4% (13F 2026-03-31). Insider activity, 90 days: 8 sales, 0 open-market buys. SEC EDGAR first-party data.

Top Institutional Holders (13F, rolled up by parent)

Source: SEC Form 13F
HolderSharesMarket Value% OutstandingReported
FMR (Fidelity)4303188.00$309.61M12.6%2026-03-31
BVF Inc/il2559595.00$184.16M7.5%2026-03-31
Two Seas Capital LP1959178.00$140.96M5.7%2026-03-31
Vanguard1476064.00$106.20M4.3%2026-03-31
Two Sigma930741.00$66.97M2.7%2026-03-31
Prosight Management, LP735000.00$52.88M2.2%2026-03-31
BlackRock692650.00$49.84M2.0%2026-03-31
Morgan Stanley659387.00$47.44M1.9%2026-03-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-08-18
Sellnull2026-08-18
Sellnull2026-07-24
Sellnull2026-07-24
Sellnull2026-06-30
Sellnull2026-06-16
Sellnull2026-06-16
Sellnull2026-06-16

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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.