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LYELL IMMUNPHRM (LYEL)
NASDAQ
$16.10+$0.56 (+3.64%)
Price as of Aug 21, 2026 7:30 PM EDT- $380.6MMarket Cap
- 44.33%1-Year Change
- BiotechnologyIndustry
LYELL IMMUNPHRM (LYEL)
$16.10+$0.56 (+3.64%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
APOLETTO LTD | 61.60% | 15.1M | 0 (0.00%) | Sep 30, 2022 |
BLACKROCK INC. | 55.07% | 13.5M | -397,495 (-2.95%) | Jun 30, 2024 |
BLACKROCK FUNDING, INC. /DE | 54.14% | 13.3M | -481,215 (-3.63%) | Dec 31, 2024 |
WUXI APPTEC CO., LTD. | 30.16% | 7.4M | -291,446 (-3.94%) | Sep 30, 2024 |
ARCH VENTURE MANAGEMENT, LLC | 13.25% | 3.2M | +488,090 (+15.03%) | Mar 31, 2026 |
GSK PLC | 6.17% | 1.5M | 0 (0.00%) | Mar 31, 2026 |
MIC CAPITAL PARTNERS (PUBLIC) (US) IM, LLC | 5.39% | 1.3M | 0 (0.00%) | Sep 30, 2021 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 33.31% | 8.2M | 0 (0.00%) | Mar 31, 2026 |
iSHARES TRUST | 29.03% | 7.1M | 0 (0.00%) | May 31, 2026 |
T. Rowe Price Health Sciences Fund, Inc. | 18.69% | 4.6M | 0 (0.00%) | Mar 31, 2026 |
SPDR SERIES TRUST | 13.92% | 3.4M | 0 (0.00%) | Apr 30, 2026 |
T. Rowe Price New Horizons Fund, Inc. | 6.07% | 1.5M | 0 (0.00%) | Mar 31, 2026 |
FIDELITY MT VERNON STREET TRUST | 3.85% | 942,414 | 0 (0.00%) | May 31, 2026 |
NORTHERN LIGHTS FUND TRUST II | 3.16% | 774,894 | 0 (0.00%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions1.8B (80.78%)
- Mutual Funds391.9M (17.45%)
- Insiders39.7M (1.77%)
- Other0 (0.00%)
Insider Transactions
- 1.77% (39.7M)Current InsiderOwnership (%, shares)
- 2Number of InsiderBuying (last 12 months)
- $48.1MAmount of InsiderBuying (last 12 months)
- 6Number of InsiderSelling (last 12 months)
- $86.6MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Seely Lynn President and CEO | Sell | Aug 10, 2026 | $5,592.60 | 390 | $14.34 | 73,488 |
Bulis Veronica Sanchez VP, Corporate Controller | Sell | Aug 10, 2026 | $8,905.14 | 621 | $14.34 | 14,799 |
Lee Gary K. Chief Scientific Officer | Sell | Aug 10, 2026 | $1,878.54 | 131 | $14.34 | 17,677 |
Hill Stephen J. Chief Operating Officer | Sell | Aug 10, 2026 | $1,276.26 | 89 | $14.34 | 17,805 |
Innovative Cellular Therapeutics Holdings Ltd | Other | Jul 27, 2026 | $0.00 | 44,000 | $0.00 | 2.8M |
Innovative Cellular Therapeutics Holdings Ltd | Sell | Jul 17, 2026 | $137.00 | 10 | $13.70 | 2.9M |
Innovative Cellular Therapeutics Holdings Ltd | Sell | Jul 16, 2026 | $137.30 | 10 | $13.73 | 2.9M |
Innovative Cellular Therapeutics Holdings Ltd | Other | Jun 29, 2026 | $0.00 | 76,000 | $0.00 | 2.9M |
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 | Sell | Feb 10, 2026 | $2,520.08 | 109 | $23.12 | 19,031 |
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 | Award | Feb 10, 2026 | $0.00 | 65,000 | $0.00 | 65,000 |
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 |