Security record
NKTR
Nektar Therapeutics · Healthcare · Biotechnology
78Tracked holders
+13Δ holders
18.28MShares held
$1.28BReported value
+22New positions
−8Exits
Momentum inputs (comparable managers):
holder breadth +20.0% ·
share flow +30.0% ·
net new positions +17.9%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 78 | +13 | 18.28M | $1.28B | +22 | −8 |
| Q1 2026 | 67 | +13 | 13.34M | $957.94M | +15 | −3 |
| Q4 2025 | 55 | +1 | 8.38M | $354.26M | +2 | — |
| Q3 2025 | 15 | 0 | 5.00M | $284.66M | +2 | −2 |
| Q2 2025 | 12 | -1 | 3.08M | $79.53M | +1 | −2 |
| Q1 2025 | 10 | -1 | 25.55M | $17.36M | — | −1 |
| Q4 2024 | 11 | 0 | 24.86M | $23.13M | — | — |
| Q3 2024 | 10 | +2 | 27.79M | $36.10M | +2 | — |
| Q2 2024 | 8 | — | 27.40M | $33.98M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 5.07M | +17.8% | $353.79M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 5.07M | +17.8% | $353.79M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 5.07M | +17.8% | $353.79M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 2.94M | +324.7% | $205.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 19 | Vanguard Capital Management Llc | 1.50M | +25.0% | $104.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Two Sigma Investments ✦ | 1.20M | +29.1% | $83.91M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 21 | Morgan Stanley ✦ | 936.56K | +42.0% | $65.38M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 22 | Morgan Stanley ✦ | 936.56K | +42.0% | $65.38M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 23 | Morgan Stanley ✦ | 936.56K | +42.0% | $65.38M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 936.56K | +42.0% | $65.38M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 936.56K | +42.0% | $65.38M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 936.56K | +42.0% | $65.38M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 936.56K | +42.0% | $65.38M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 28 | State Street Global Advisors ✦ (passive) | 909.68K | +271.7% | $63.50M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 881.31K | +154.1% | $61.54M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 881.31K | +154.1% | $61.54M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 31 | Millennium Management ✦ | 478.12K | +18.3% | $33.38M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 32 | UBS Group AG | 428.40K | +33.8% | $29.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | UBS Group AG | 428.40K | +33.8% | $29.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | UBS Group AG | 428.40K | +33.8% | $29.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Northern Trust Corp | 308.53K | +292.5% | $21.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | Northern Trust Corp | 308.53K | +292.5% | $21.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Northern Trust Corp | 308.53K | +292.5% | $21.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Northern Trust Corp | 308.53K | +292.5% | $21.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Northern Trust Corp | 308.53K | +292.5% | $21.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Charles Schwab Investment… | 284.97K | +69.6% | $19.89M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Susquehanna International Group, Llp | 278.98K | +12.0% | $19.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | PRIMECAP Management ✦ | 272.85K | -2.3% | $19.05M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 43 | Barclays Plc | 262.36K | +710.9% | $18.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Barclays Plc | 262.36K | +710.9% | $18.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 45 | Deutsche Bank Ag\ | 239.83K | +161.6% | $16.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Deutsche Bank Ag\ | 239.83K | +161.6% | $16.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | Goldman Sachs Group ✦ | 228.49K | +80.0% | $15.95M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 48 | Goldman Sachs Group ✦ | 228.49K | +80.0% | $15.95M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 49 | Norges Bank ✦ (passive) | 215.30K | New | $15.03M | 0.0% | New | 1 | SEC ↗ |
| 50 | Ameriprise Financial Inc | 165.94K | +21.4% | $11.58M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Ameriprise Financial Inc | 165.94K | +21.4% | $11.58M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Citadel Advisors ✦ | 159.75K | -68.9% | $11.15M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 53 | Citadel Advisors ✦ | 159.75K | -68.9% | $11.15M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 54 | Qube Research & Technologies Ltd | 130.52K | -66.6% | $9.11M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Citigroup Inc | 102.76K | +310.2% | $7.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Citigroup Inc | 102.76K | +310.2% | $7.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | LMR Partners LLP | 100.00K | +107.1% | $6.98M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 58 | Nuveen, LLC | 96.64K | New | $6.75M | 0.0% | New | 1 | SEC ↗ |
| 59 | Nuveen, LLC | 96.64K | New | $6.75M | 0.0% | New | 1 | SEC ↗ |
| 60 | Nuveen, LLC | 96.64K | New | $6.75M | 0.0% | New | 1 | SEC ↗ |
| 61 | Bank of New York Mellon Corp | 96.06K | +1356.1% | $6.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Bank of New York Mellon Corp | 96.06K | +1356.1% | $6.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Bank of New York Mellon Corp | 96.06K | +1356.1% | $6.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Bank of New York Mellon Corp | 96.06K | +1356.1% | $6.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Russell Investments Group, Ltd. | 89.10K | -16.1% | $6.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Russell Investments Group, Ltd. | 89.10K | -16.1% | $6.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 67 | Russell Investments Group, Ltd. | 89.10K | -16.1% | $6.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | Russell Investments Group, Ltd. | 89.10K | -16.1% | $6.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 69 | Russell Investments Group, Ltd. | 89.10K | -16.1% | $6.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | Invesco Ltd. | 79.86K | -85.9% | $5.57M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | Invesco Ltd. | 79.86K | -85.9% | $5.57M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | Invesco Ltd. | 79.86K | -85.9% | $5.57M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 73 | Invesco Ltd. | 79.86K | -85.9% | $5.57M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | Invesco Ltd. | 79.86K | -85.9% | $5.57M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | Group One Trading Llc | 70.37K | +1082.9% | $4.91M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 76 | Swiss National Bank | 61.60K | +28.6% | $4.30M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Bank Of America Corp /De/ | 60.56K | +2.7% | $4.23M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | UBS AM, a distinct business unit of… | 47.07K | +38.4% | $3.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | UBS AM, a distinct business unit of… | 47.07K | +38.4% | $3.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | UBS AM, a distinct business unit of… | 47.07K | +38.4% | $3.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | UBS AM, a distinct business unit of… | 47.07K | +38.4% | $3.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | UBS AM, a distinct business unit of… | 47.07K | +38.4% | $3.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 83 | T. Rowe Price ✦ | 45.68K | +305.1% | $3.19M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 84 | Rhumbline Advisers | 43.09K | +7082.3% | $3.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Nomura Holdings Inc | 38.66K | New | $2.70M | 0.0% | New | 1 | SEC ↗ |
| 86 | Alliancebernstein L.P. | 36.00K | New | $2.59M | 0.0% | New | 1 | SEC ↗ |
| 87 | Connor, Clark & Lunn Investment… | 36.90K | -62.6% | $2.58M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Wells Fargo & Company/Mn | 31.59K | +9559.3% | $2.21M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | Wells Fargo & Company/Mn | 31.59K | +9559.3% | $2.21M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Wells Fargo & Company/Mn | 31.59K | +9559.3% | $2.21M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Legal & General Group Plc | 23.78K | +42.8% | $1.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | Legal & General Group Plc | 23.78K | +42.8% | $1.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | Legal & General Group Plc | 23.78K | +42.8% | $1.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | AQR Capital Management ✦ | 22.54K | New | $1.57M | 0.0% | New | 1 | SEC ↗ |
| 95 | AQR Capital Management ✦ | 22.54K | New | $1.57M | 0.0% | New | 1 | SEC ↗ |
| 96 | IMC-Chicago, LLC | 22.41K | +37.0% | $1.56M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 97 | JPMorgan Chase ✦ | 22.14K | -90.8% | $1.54M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 98 | JPMorgan Chase ✦ | 22.14K | -90.8% | $1.54M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 99 | Bnp Paribas Financial Markets | 19.20K | -84.2% | $1.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | State Of Wisconsin Investment Board | 17.21K | +25.9% | $1.20M | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $15.03M | 0.0% |
| Nuveen, LLC | $6.75M | 0.0% |
| Nuveen, LLC | $6.75M | 0.0% |
| Nuveen, LLC | $6.75M | 0.0% |
| Nomura Holdings Inc | $2.70M | 0.0% |
| Alliancebernstein L.P. | $2.59M | 0.0% |
| AQR Capital Management | $1.57M | 0.0% |
| AQR Capital Management | $1.57M | 0.0% |
Exited
| Alyeska Investment Group, L.P. | $3.60M | was 0.0% |
| Renaissance Technologies | $3.01M | was 0.0% |
| Balyasny Asset Management L.P. | $2.58M | was 0.0% |
| Man Group plc | $1.40M | was 0.0% |
| Healthcare Of Ontario Pension… | $1.14M | was 0.0% |
| Tudor Investment Corp Et Al | $1.08M | was 0.0% |
| Point72 Asset Management | $961,540 | was 0.0% |
| Peak6 Llc | $503,650 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 13.40K shares, $964 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 18
ROBIN HOWARD W
Officer, Director · 418 sh · $30,088
Aug 18
Zalevsky Jonathan
Officer · 186 sh · $13,388
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G/A — Two Seas Capital LP
Aug 14
SC 13G/A — BIOTECHNOLOGY VALUE FUND L P
Jul 31
SC 13G — VANGUARD CAPITAL MANAGEMENT LLC
Jul 29
SC 13G — BlackRock, Inc.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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