ILMN
Illumina, Inc. · Healthcare · Medical - Diagnostics & Research
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +4.4% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 164 | +8 | 117.28M | $20.61B | +11 | −2 |
| Q1 2026 | 158 | -5 | 113.90M | $14.03B | +5 | −11 |
| Q4 2025 | 162 | 0 | 124.91M | $16.38B | +2 | −1 |
| Q3 2025 | 23 | -1 | 78.13M | $7.41B | +1 | −3 |
| Q2 2025 | 22 | 0 | 71.58M | $6.83B | +1 | −1 |
| Q1 2025 | 19 | 0 | 39.00M | $3.09B | +1 | −1 |
| Q4 2024 | 19 | 0 | 37.37M | $4.99B | +2 | −2 |
| Q3 2024 | 18 | 0 | 20.75M | $2.70B | +1 | −1 |
| Q2 2024 | 18 | — | 22.19M | $2.32B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Capital World Investors ✦ | 18.90M | +4.8% | $1.50B | 0.2% | ▲ Add | 4 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 5.85M | +1.0% | $464.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Baillie Gifford ✦ | 3.01M | -0.2% | $238.88M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 4 | Baillie Gifford ✦ | 3.01M | -0.2% | $238.88M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 5 | Baillie Gifford ✦ | 3.01M | -0.2% | $238.88M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 6 | Baillie Gifford ✦ | 3.01M | -0.2% | $238.88M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 2.85M | +4.2% | $225.46M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | Geode Capital Management ✦ (passive) | 2.85M | +4.2% | $225.46M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | PRIMECAP Management ✦ | 2.37M | -3.5% | $188.11M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 2.12M | +361.7% | $165.48M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 2.12M | +361.7% | $165.48M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 2.12M | +361.7% | $165.48M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 2.12M | +361.7% | $165.48M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 2.12M | +361.7% | $165.48M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 2.12M | +361.7% | $165.48M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 2.12M | +361.7% | $165.48M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 17 | Renaissance Technologies ✦ | 1.09M | +20.4% | $86.45M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 18 | ARK Investment Management ✦ | 895.32K | +30.4% | $71.03M | 0.7% | ▲ Add | 2 | SEC ↗ |
| 19 | Two Sigma Investments ✦ | 459.54K | -37.4% | $36.46M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 20 | Millennium Management ✦ | 332.31K | -37.5% | $26.37M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 21 | Citadel Advisors ✦ | 306.55K | +3530.4% | $24.32M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 22 | Citadel Advisors ✦ | 306.55K | +3530.4% | $24.32M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 23 | Icahn Capital ✦ | 220.00K | +450.0% | $17.45M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 24 | Arrowstreet Capital ✦ | 184.99K | +174.0% | $14.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | T. Rowe Price ✦ | 116.38K | +7.4% | $9.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 26 | T. Rowe Price ✦ | 116.38K | +7.4% | $9.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 27 | D. E. Shaw & Co. ✦ | 75.16K | +115.1% | $5.96M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 28 | D. E. Shaw & Co. ✦ | 75.16K | +115.1% | $5.96M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 29 | Norges Bank ✦ (passive) | 75.16K | -95.6% | $5.96M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 30 | Gotham Asset Management ✦ | 63.46K | +135.7% | $5.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 31 | Marshall Wace ✦ | 40.03K | New | $3.18M | 0.0% | New | 1 | SEC ↗ |
| 32 | Wellington Management ✦ | 37.21K | +47.1% | $2.95M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 33 | Wellington Management ✦ | 37.21K | +47.1% | $2.95M | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $3.18M | 0.0% |
Exited
| GAMCO Investors | $211,804 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 837 holders, 154.80M shares, $18.58B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
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)
Director · 8.19K sh · $1.78M
Director · 86.83K sh · $18.98M
Director · 133.26K sh · $29.25M
Director · 3.88K sh · $854,765
Director · 4.53K sh · $952,918
Director · 7.15K sh · $1.51M
Director · 13.05K sh · $2.78M
Director · 6.82K sh · $1.46M
Director · 13.67K sh · $2.93M
Director · 9.37K sh · $2.02M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology