Lyell Immunopharma
LYEL · NASDAQ
$9.70+$0.90 (+10.23%)TodayMarket closed ·
Prev close $8.80
Who owns LYEL
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 66.8% of LYEL’s shares.
- ARCH Venture Partners13.9%
- Innovative Cellular Therapeutics Holdings Ltd11.9%
- Gates Frontier, L.L.C.6.6%
- Explore Investments LLC6.6%
- Next 6 largest institutions27.8%
- All other shareholders33.2%
| Holder | Shares | % of shares |
|---|---|---|
| ARCH Venture Partners | 3.25M | 13.92% |
| Innovative Cellular Therapeutics Holdings Ltd | 2.77M | 11.89% |
| Gates Frontier, L.L.C. | 1.53M | 6.55% |
| Explore Investments LLC | 1.53M | 6.55% |
| GSK plc | 1.51M | 6.48% |
| Euler Managers Ltd | 1.43M | 6.11% |
| Milky Way Investments Group Ltd | 1.01M | 4.32% |
| MWG Management, Ltd. | 1.01M | 4.32% |
| Vanguard Capital Management, LLC | 786.77K | 3.37% |
| Orland Properties Ltd | 754.70K | 3.23% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 604.46K | 2.59% |
| iShares Russell 2000 ETF | 225.98K | 0.97% |
| Vanguard Extended Market Index Fund | 163.75K | 0.70% |
| Fidelity Small Cap Index Fund | 102.68K | 0.44% |
| iShares Russell 2000 Value ETF | 88.93K | 0.38% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $255.52K (16 trades) of LYEL on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Aguirre Jarrad Mattieu | Sale | 422 | $3.64K |
| Aguirre Jarrad Mattieu | Award | 47.50K | — |
| Shook David | Sale | 500 | $6.35K |
| Lee Gary K. | Sale | 1.46K | $22.64K |
| Hill Stephen J. | Sale | 989 | $15.37K |
| Seely Lynn | Sale | 9.59K | $149.01K |
| Bulis Veronica Sanchez | Sale | 621 | $8.91K |
| Lee Gary K. | Sale | 131 | $1.88K |
| Hill Stephen J. | Sale | 89 | $1.28K |
| Seely Lynn | Sale | 390 | $5.59K |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.26M
- Days to cover
- 7.40
- % of shares outstanding
- 5.42%
- Average daily volume
- 170.78K
- Change since last report
- +6.4%
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