Lyell Immunopharma Ownership | Who Owns Lyell Immunopharma?
Lyell Immunopharma Ownership Summary
Lyell Immunopharma is owned by 51.75% institutional investors, 37.24% insiders, and 11.02% retail investors. Arch venture management is the largest institutional shareholder, holding 19.00% of LYEL shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.84% of its assets in Lyell Immunopharma shares.
LYEL Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Lyell Immunopharma | 51.75% | 37.24% | 11.02% |
| Sector | Healthcare Stocks | 245.07% | 12.10% | -157.17% |
| Industry | Biotech Stocks | 380.48% | 11.73% | -292.21% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Arch venture management | 3.25M | 19.00% | $65.14M |
| Gsk | 1.51M | 8.85% | $30.34M |
| Blackrock | 13.50M | 5.31% | $19.57M |
| Vanguard group | 826.43K | 4.52% | $25.44M |
| Orland properties | 754.70K | 4.42% | $15.14M |
| Almitas capital | 577.81K | 3.38% | $11.59M |
| Wuxi apptec | 7.68M | 3.02% | $11.14M |
| Foresite capital management v | 477.08K | 2.79% | $9.57M |
| Millennium management | 458.90K | 2.68% | $9.21M |
| Citadel advisors | 381.46K | 2.23% | $7.65M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Wuxi apptec | 7.68M | 47.74% | $11.14M |
| Arch venture management | 3.25M | 9.62% | $65.14M |
| Orland properties | 754.70K | 5.67% | $15.14M |
| Gsk | 1.51M | 5.06% | $30.34M |
| Foresite capital management v | 477.08K | 3.53% | $9.57M |
| Almitas capital | 577.81K | 2.62% | $11.59M |
| Venbio partners | 337.70K | 2.41% | $6.77M |
| Takeda pharmaceutical | 41.16K | 1.86% | $363.91K |
| Decheng capital | 595.47K | 1.33% | $5.26M |
| Velan capital investment management lp | 102.00K | 1.28% | $2.05M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| D. e. shaw | 966.26K | 0.00% | 493.64K |
| Arch venture management | 3.25M | 9.62% | 488.09K |
| Millennium management | 458.90K | 0.00% | 400.25K |
| Wellington management group llp | 367.68K | 0.00% | 367.68K |
| Velan capital investment management lp | 102.00K | 1.28% | 102.00K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Decheng capital | 595.47K | 1.33% | -11.31M |
| Balyasny asset management | - | - | -1.20M |
| Mwg management | - | - | -1.01M |
| Invenomic capital management lp | - | - | -871.52K |
| Foresite capital management iv | - | - | -800.40K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Wellington management group llp | 367.68K | 0.00% | 367.68K | $533.13K |
| Velan capital investment management lp | 102.00K | 1.28% | 102.00K | $2.05M |
| Vanguard fiduciary trust | 86.92K | 0.00% | 86.92K | $1.74M |
| Opaleye management | 79.10K | 0.21% | 79.10K | $1.59M |
| Dimensional fund advisors lp | 47.89K | 0.00% | 47.89K | $959.00K |
Sold Out
| Holder | Change |
|---|---|
| Eversource wealth advisors | -1.00 |
| Pnc financial services group | -4.00 |
| True wealth design | -23.00 |
| Nelson, van denburg & campbell wealth management group | -34.00 |
| Allworth financial lp | -43.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 91 | 19.74% | 12,089,956 | 0.96% | 51 | 1.73% | 53 | 23.26% | 19 | 111.11% |
| Mar 31, 2026 | 76 | 8.57% | 11,974,545 | 4.99% | 70 | 1.80% | 43 | 34.38% | 9 | -47.06% |
| Dec 31, 2025 | 10 | -82.76% | 864,633 | -91.03% | 4 | 0.11% | 4 | -80.00% | 2 | -89.47% |
| Sep 30, 2025 | 15 | -78.26% | 1,180,540 | -87.25% | 7 | 0.20% | 6 | -50.00% | 4 | -92.86% |
| Jun 30, 2025 | 68 | -39.82% | 9,256,423 | -93.92% | 62 | 939.01% | 12 | -68.42% | 55 | 52.78% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 604.46K | 2.84% | 67.20K |
| Vanguard MStar Total Stk Mkt Idx Invest | 604.46K | 2.58% | - |
| Vanguard Morn Total Stk Mkt Idx Investor | 604.46K | 2.47% | 67.20K |
| T. Rowe Price Health Sciences | 212.18K | 1.10% | -2.38K |
| Biotech Growth Ord | 2.88M | 0.99% | - |
| iShares Russell 2000 ETF | 222.04K | 0.95% | -3.94K |
| Vanguard Small Cap Index | 2.24M | 0.87% | 5.37K |
| Vanguard Institutional Extnd Mkt Idx Tr | 163.75K | 0.70% | - |
| Vanguard Small Cap Growth Index Inv | 1.25M | 0.49% | -5.54K |
| Fidelity Small Cap Index | 1.63M | 0.44% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 10, 2026 | Shook David | Chief Medical Officer | Sell | $6.35K |
| Aug 21, 2026 | Seely Lynn | President and CEO | Sell | $149.01K |
| Aug 21, 2026 | Hill Stephen J. | Chief Operating Officer | Sell | $15.37K |
| Aug 21, 2026 | Lee Gary K. | Chief Scientific Officer | Sell | $22.64K |
| Aug 10, 2026 | Bulis Veronica Sanchez | VP, Corporate Controller | Sell | $8.91K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 10 |
| 2026 Q2 | - | 5 |
| 2026 Q1 | 2 | 7 |
| 2025 Q4 | - | 6 |
| 2025 Q3 | - | 12 |
LYEL Ownership FAQ
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