NKTR · Insider trading · 13F holders · Congress trades
Nektar Therapeutics (NKTR)
Who is buying and selling NKTR: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 28
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $43K
- Congress trades, 12 months
- 2
NKTR at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 NKTR insiders filed 2 sales worth $43K on SEC Form 4, and no open-market purchases.
- 28 13F filers hold NKTR among their 50 largest positions, worth $827.5M combined. The biggest bets by portfolio weight are 22nw, LP (18.7%), Creek Drive Management Group LLC (10.5%) and Prosight Management, LP (9.7%). In their latest 13Fs, 3 managers opened a new position and 12 added to one.
- Members of Congress have disclosed 2 NKTR trades since 2018, 1 purchase and 1 sale in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Jun 21, 2018.
- NKTR last closed at $39.18 on Oct 29, 2026.
NKTR insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 NKTR insiders filed 2 sales worth $43K on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 20, 2026 | Robin Howard W | President & CEO, Director | Sale | 418 | $71.98 | $30K | SEC |
| Aug 20, 2026 | Zalevsky Jonathan | Chief R&D Officer | Sale | 186 | $71.98 | $13K | SEC |
Who owns NKTR? Hedge funds and superinvestors
28 13F filers hold NKTR among their 50 largest positions, worth $827.5M combined. The biggest bets by portfolio weight are 22nw, LP (18.7%), Creek Drive Management Group LLC (10.5%) and Prosight Management, LP (9.7%). In their latest 13Fs, 3 managers opened a new position and 12 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Two Seas Capital LPHedge fund | 8.1% | $202.6M | 3,345,978 | +8.2% shares | Q3 2026 |
| Bvf Inc/ilInvestment manager | 4.3% | $166.9M | 2,391,075 | -6.6% shares | Q2 2026 |
| Vestal Point Capital, LPHedge fund | 1.6% | $69.8M | 1,000,000 | +250.9% shares | Q2 2026 |
| Prosight Management, LPHedge fund | 9.7% | $56.5M | 810,000 | +10.2% shares | Q2 2026 |
| Armistice Capital, LLCHedge fund | 1.4% | $50.5M | 724,000 | +25.3% shares | Q2 2026 |
| Braidwell LPHedge fund | 1.3% | $33.1M | 473,617 | — | Q2 2026 |
| Sofinnova Investments, Inc.Hedge fund | 1.8% | $32.9M | 471,763 | -7.4% shares | Q2 2026 |
| Orbimed Advisors LLCHedge fund | 0.6% | $32.5M | 465,346 | — | Q2 2026 |
| DAFNA Capital Management LLCHedge fund | 4.2% | $22.2M | 318,380 | +92.7% shares | Q2 2026 |
| 22nw, LPHedge fund | 18.7% | $19.6M | 281,115 | +0.0% shares | Q2 2026 |
| ADAR1 Capital Management, LLCHedge fund | 0.8% | $17.0M | 244,184 | +51.4% shares | Q2 2026 |
| Creek Drive Management Group LLCHedge fund | 10.5% | $17.0M | 243,000 | +92.2% shares | Q2 2026 |
| Seven Grand Managers, LLCHedge fund | 0.7% | $16.8M | 240,000 | +92.0% shares | Q2 2026 |
| Bronte Capital Management Pty Ltd.Hedge fund | 1.6% | $13.9M | 198,434 | +0.1% shares | Q2 2026 |
| Great Point Partners LLCHedge fund | 2.9% | $12.2M | 175,000 | -44.7% shares | Q2 2026 |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.Investment manager | 0.5% | $8.6M | 122,767 | +0.4% shares | Q2 2026 |
| Stonepine Capital Management, LLCHedge fund | 6.4% | $8.4M | 120,654 | +41.9% shares | Q2 2026 |
| APEIRON CAPITAL LtdAsset manager | 4.8% | $7.4M | 106,431 | New | Q2 2026 |
| Militia Capital Management LLCHedge fund | 1.1% | $6.3M | 90,000 | — | Q2 2026 |
| Act Capital Management, LLCHedge fund | 4.1% | $6.2M | 89,300 | +26.0% shares | Q2 2026 |
| Tetragon Partners GP LtdHedge fund | 1.0% | $6.1M | 86,996 | -15.6% shares | Q2 2026 |
| Iridian Asset Management Llc/ctAsset manager | 2.1% | $5.7M | 94,697 | +144.1% shares | Q3 2026 |
| Birchview Capital, LPWealth manager | 2.6% | $5.7M | 81,000 | +161.3% shares | Q2 2026 |
| K2 Principal Fund, L.P.Asset manager | 0.9% | $3.5M | 50,465 | — | Q2 2026 |
| KVP Capital Advisors, LPHedge fund | 1.4% | $1.9M | 26,900 | +0.0% shares | Q2 2026 |
| Ishara Investments LPHedge fund | 1.4% | $1.9M | 26,650 | New | Q2 2026 |
| Exome Asset Management LLCHedge fund | 1.0% | $1.6M | 22,417 | New | Q2 2026 |
| Sectoral Asset Management IncHedge fund | 0.5% | $706K | 10,111 | -6.8% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 2, Q2 2026: 26). Screen NKTR in the grand portfolio →
NKTR stock trades by members of Congress
Members of Congress have disclosed 2 NKTR trades since 2018, 1 purchase and 1 sale in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Jun 21, 2018.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Oct 2, 2018 | Josh GottheimerD-NJ · House | Sale | $1K–15K | Jun 21, 2018 | -95.4% |
| Oct 2, 2018 | Josh GottheimerD-NJ · House | Buy | $1K–15K | Jun 6, 2018 | -95.7% |
NKTR questions and answers
Are insiders buying NKTR stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 NKTR insiders filed 2 sales worth $43K on SEC Form 4, and no open-market purchases.
Which hedge funds own NKTR?
28 13F filers hold NKTR among their 50 largest positions, worth $827.5M combined. The biggest bets by portfolio weight are 22nw, LP (18.7%), Creek Drive Management Group LLC (10.5%) and Prosight Management, LP (9.7%). In their latest 13Fs, 3 managers opened a new position and 12 added to one.
Has Congress traded NKTR?
Members of Congress have disclosed 2 NKTR trades since 2018, 1 purchase and 1 sale in the past year; the latest was Josh Gottheimer (D-NJ), selling $1K–15K on Jun 21, 2018.
Who is the largest holder of NKTR?
Among 13F filers, Two Seas Capital LP reports the largest NKTR position, $202.6M (3,345,978 shares) in its Q3 2026 13F. The biggest bet by portfolio weight is 22nw, LP's: 18.7% of its portfolio.
Cite or share this
Free to use with a link back. The data updates every filing day.