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LYELL IMMUNPHRM (LYEL)
NASDAQ
$12.63-$0.005 (-0.04%)
Price as of Jun 23, 2026 5:01 PM EDT- $279.3MMarket Cap
- 31.77%1-Year Change
- BiotechnologyIndustry
LYELL IMMUNPHRM (LYEL)
$12.63-$0.005 (-0.04%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
APOLETTO LTD | 64.69% | 15.1M | 0 (0.00%) | Sep 30, 2022 |
BLACKROCK INC. | 57.83% | 13.5M | -397,495 (-2.95%) | Jun 30, 2024 |
BLACKROCK FUNDING, INC. /DE | 56.85% | 13.3M | -481,215 (-3.63%) | Dec 31, 2024 |
WUXI APPTEC CO., LTD. | 31.67% | 7.4M | -291,446 (-3.94%) | Sep 30, 2024 |
ARCH VENTURE MANAGEMENT, LLC | 13.92% | 3.2M | +488,090 (+15.03%) | Mar 31, 2026 |
GSK PLC | 6.48% | 1.5M | 0 (0.00%) | Mar 31, 2026 |
MIC CAPITAL PARTNERS (PUBLIC) (US) IM, LLC | 5.66% | 1.3M | 0 (0.00%) | Sep 30, 2021 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 34.98% | 8.2M | 0 (0.00%) | Mar 31, 2026 |
T. Rowe Price Health Sciences Fund, Inc. | 19.62% | 4.6M | 0 (0.00%) | Mar 31, 2026 |
SPDR SERIES TRUST | 14.62% | 3.4M | 0 (0.00%) | Jan 31, 2026 |
T. Rowe Price New Horizons Fund, Inc. | 6.37% | 1.5M | 0 (0.00%) | Mar 31, 2026 |
FIDELITY MT VERNON STREET TRUST | 4.04% | 942,414 | 0 (0.00%) | Feb 28, 2026 |
NORTHERN LIGHTS FUND TRUST II | 3.32% | 774,894 | 0 (0.00%) | Jan 31, 2026 |
MFS SERIES TRUST I | 2.90% | 676,627 | 0 (0.00%) | Feb 28, 2026 |
Current Ownership Distribution
- Institutions1.8B (81.65%)
- Mutual Funds367.8M (16.55%)
- Insiders39.9M (1.80%)
- Other0 (0.00%)
Insider Transactions
- 1.80% (39.9M)Current InsiderOwnership (%, shares)
- 2Number of InsiderBuying (last 12 months)
- $48.1MAmount of InsiderBuying (last 12 months)
- 6Number of InsiderSelling (last 12 months)
- $8.1MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Innovative Cellular Therapeutics Holdings Ltd | Other | Jun 15, 2026 | $0.00 | 66,500 | $0.00 | 2.9M |
Shook David Chief Medical Officer | Sell | Jun 10, 2026 | $24,989.28 | 1,977 | $12.64 | 20,923 |
Klausner Richard | Award | Jun 10, 2026 | $0.00 | 9,250 | $0.00 | 9,250 |
RIEFLIN WILLIAM JL | Award | Jun 10, 2026 | $0.00 | 9,250 | $0.00 | 9,250 |
FRIEDMAN CATHY | Award | Jun 10, 2026 | $0.00 | 9,250 | $0.00 | 9,250 |
Bulis Veronica Sanchez VP, Corporate Controller | Sell | May 11, 2026 | $4,103.47 | 217 | $18.91 | 15,420 |
Lee Gary K. Chief Scientific Officer | Sell | May 11, 2026 | $2,459.60 | 130 | $18.92 | 17,808 |
Hill Stephen J. Chief Operating Officer | Sell | May 11, 2026 | $1,683.88 | 89 | $18.92 | 17,894 |
ARCH Venture Partners IX, LLC | Buy | Mar 06, 2026 | $12.5M | 488,090 | $25.61 | 1.4M |
ARCH Venture Fund XIII, L.P. | Buy | Mar 06, 2026 | $12.5M | 488,090 | $25.61 | 1.4M |
Lee Gary K. Chief Scientific Officer | Sell | Feb 10, 2026 | $3,398.64 | 147 | $23.12 | 18,609 |
Shook David Chief Medical Officer | Award | Feb 10, 2026 | $0.00 | 50,000 | $0.00 | 50,000 |
Seely Lynn President and CEO | Award | Feb 10, 2026 | $0.00 | 155,000 | $0.00 | 155,000 |
Meltz Mark A General Counsel | Award | Feb 10, 2026 | $0.00 | 50,000 | $0.00 | 50,000 |
Lee Gary K. Chief Scientific Officer | Award | Feb 10, 2026 | $0.00 | 50,000 | $0.00 | 50,000 |
Hill Stephen J. Chief Operating Officer | Award | Feb 10, 2026 | $0.00 | 65,000 | $0.00 | 65,000 |
Seely Lynn President and CEO | Sell | Feb 10, 2026 | $10,126.56 | 438 | $23.12 | 81,721 |
Bulis Veronica Sanchez VP, Corporate Controller | Award | Feb 10, 2026 | $0.00 | 8,750 | $0.00 | 15,891 |
Hill Stephen J. Chief Operating Officer | Sell | Feb 10, 2026 | $2,520.08 | 109 | $23.12 | 19,031 |
Bulis Veronica Sanchez VP, Corporate Controller | Sell | Feb 10, 2026 | $5,872.48 | 254 | $23.12 | 15,637 |
Lee Gary K. Chief Scientific Officer | Award | Feb 09, 2026 | $0.00 | 4,000 | $0.00 | 18,756 |
Hill Stephen J. Chief Operating Officer | Award | Feb 09, 2026 | $0.00 | 4,000 | $0.00 | 19,140 |
Seely Lynn President and CEO | Award | Feb 09, 2026 | $0.00 | 20,000 | $0.00 | 82,159 |
Bulis Veronica Sanchez VP, Corporate Controller | Sell | Dec 30, 2025 | $30,251.52 | 936 | $32.32 | 7,141 |
Bulis Veronica Sanchez VP, Corporate Controller | Sell | Dec 24, 2025 | $43,929.12 | 1,136 | $38.67 | 8,077 |
Lee Gary K. Chief Scientific Officer | Sell | Nov 10, 2025 | $2,230.08 | 138 | $16.16 | 15,366 |
Seely Lynn President and CEO | Sell | Nov 10, 2025 | $6,637.32 | 412 | $16.11 | 67,159 |
Bulis Veronica Sanchez VP, Corporate Controller | Sell | Nov 10, 2025 | $3,847.90 | 239 | $16.10 | 9,213 |
Hill Stephen J. Chief Operating Officer | Sell | Nov 10, 2025 | $1,531.40 | 95 | $16.12 | 15,750 |
Hill Stephen J. Chief Operating Officer | Award | Oct 27, 2025 | $0.00 | 75,000 | $0.00 | 75,000 |