Security record · archived quarter
NKTR
Nektar Therapeutics · Healthcare · Biotechnology
55Tracked holders
+1Δ holders
8.38MShares held
$354.26MReported value
+2New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +1.9% ·
share flow +3.0% ·
net new positions +3.6%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
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 · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 1.03M | +8.3% | $43.43M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 2 | BlackRock ✦ (passive) | 645.61K | +6.0% | $27.30M | 0.0% | ▲ Add | 3 | SEC ↗ ×12 |
| 3 | Morgan Stanley ✦ | 566.42K | -39.0% | $23.95M | 0.0% | ▼ Trim | 2 | SEC ↗ ×8 |
| 4 | Two Sigma Investments ✦ | 473.01K | +8.9% | $20.00M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 5 | Invesco Ltd. | 468.16K | — | $19.79M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 6 | Millennium Management ✦ | 454.07K | -16.8% | $19.20M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 7 | Point72 Asset Management ✦ | 433.42K | +250.5% | $18.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Susquehanna International Group, Llp | 383.31K | — | $16.21M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 9 | Qube Research & Technologies Ltd | 323.92K | — | $13.70M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 309.78K | -14.2% | $13.10M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 11 | UBS Group AG | 287.56K | — | $12.16M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 12 | Balyasny Asset Management L.P. | 282.02K | — | $11.92M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | PRIMECAP Management ✦ | 280.15K | -3.1% | $11.84M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 14 | Geode Capital Management ✦ (passive) | 254.36K | +12.9% | $10.76M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 15 | Jane Street Group, Llc | 218.34K | — | $9.23M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 16 | Bnp Paribas Financial Markets | 210.30K | — | $8.89M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Hrt Financial Lp | 198.14K | — | $8.38M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 18 | State Street Global Advisors ✦ (passive) | 195.66K | +51.7% | $8.27M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 19 | Renaissance Technologies ✦ | 172.88K | -37.9% | $7.31M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 20 | JPMorgan Chase ✦ | 150.80K | +396752.6% | $6.38M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 21 | Goldman Sachs Group ✦ | 147.79K | +91.8% | $6.25M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 22 | Charles Schwab Investment… | 120.38K | — | $5.09M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | Connor, Clark & Lunn Investment… | 101.17K | — | $4.28M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 101.13K | +153.0% | $4.28M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 25 | Deutsche Bank Ag\ | 90.74K | — | $3.84M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 26 | Russell Investments Group, Ltd. | 85.67K | — | $3.62M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 27 | Northern Trust Corp | 56.08K | — | $2.37M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 28 | Norges Bank ✦ (passive) | 50.00K | New | $2.11M | 0.0% | New | 1 | SEC ↗ |
| 29 | Citigroup Inc | 35.78K | — | $1.51M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Swiss National Bank | 31.90K | — | $1.35M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Bank Of America Corp /De/ | 26.09K | — | $1.10M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 32 | Marshall Wace ✦ | 24.02K | New | $1.02M | 0.0% | New | 1 | SEC ↗ ×2 |
| 33 | Simplex Trading, Llc | 21.94K | — | $927,454 | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Squarepoint Ops LLC | 20.26K | — | $856,466 | 0.0% | n/c | 1 | SEC ↗ |
| 35 | UBS AM, a distinct business unit of… | 16.18K | — | $684,260 | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Barclays Plc | 15.44K | — | $652,972 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 37 | California State Teachers… | 14.52K | — | $613,906 | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Cibc World Market Inc. | 13.28K | — | $561,563 | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Legal & General Group Plc | 12.41K | — | $524,822 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 40 | T. Rowe Price ✦ | 10.38K | -13.4% | $439,000 | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 41 | Sei Investments Co | 10.29K | — | $435,146 | 0.0% | n/c | 1 | SEC ↗ |
| 42 | State Of Wisconsin Investment Board | 8.63K | — | $364,834 | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Janus Henderson Group Plc | 8.10K | — | $341,780 | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Royal Bank Of Canada | 7.00K | — | $296,000 | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 45 | Osaic Holdings, Inc. | 5.39K | — | $227,788 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 46 | Envestnet Asset Management Inc | 5.38K | — | $227,636 | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Group One Trading Llc | 1.45K | — | $61,221 | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Us Bancorp \De\ | 1.26K | — | $53,273 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 49 | Canada Pension Plan Investment Board | 400 | — | $16,912 | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Cwm, Llc | 205 | — | $9,000 | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Wells Fargo & Company/Mn | 191 | — | $8,076 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 52 | BNP Paribas Asset Management… | 178 | — | $8,000 | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Jones Financial Companies Lllp | 109 | — | $4,609 | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Rhumbline Advisers | 100 | — | $4,228 | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Danske Bank A/S | 2 | — | $85 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $2.11M | 0.0% |
| Marshall Wace | $1.02M | 0.0% |
Exited
| No tracked exits this quarter. |
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
Zalevsky Jonathan
Officer · 186 sh · $13,388
Aug 18
ROBIN HOWARD W
Officer, Director · 418 sh · $30,088
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Sep 28
SC 13G/A — Two Seas Capital LP
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: Q4 2025 ·
Methodology ·
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