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SILENCE THER SP ADR (SLN)
NASDAQ
$13.35+$0.08 (+0.60%)
Price as of Aug 21, 2026 7:30 PM EDT- $824.8MMarket Cap
- 148.04%1-Year Change
- BiotechnologyIndustry
SILENCE THER SP ADR (SLN)
$13.35+$0.08 (+0.60%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
TCG CROSSOVER MANAGEMENT, LLC | 6.42% | 3.0M | 0 (0.00%) | Mar 31, 2026 |
SIREN, L.L.C. | 6.16% | 2.9M | 0 (0.00%) | Mar 31, 2026 |
REDMILE GROUP, LLC | 4.58% | 2.2M | 0 (0.00%) | Mar 31, 2026 |
NANTAHALA CAPITAL MANAGEMENT, LLC | 4.54% | 2.1M | +604,304 (+28.15%) | Mar 31, 2026 |
MILLENNIUM MANAGEMENT LLC | 2.27% | 1.1M | +414,599 (+38.60%) | Mar 31, 2026 |
GREAT POINT PARTNERS LLC | 2.16% | 1.0M | +212,457 (+20.82%) | Mar 31, 2026 |
NEXTECH INVEST LTD. | 2.02% | 952,400 | 0 (0.00%) | Dec 31, 2024 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
Viking Mutual Funds | 2.12% | 1.0M | 0 (0.00%) | Apr 30, 2026 |
MUTUAL FUND SERIES TRUST | 1.35% | 640,000 | 0 (0.00%) | Mar 31, 2026 |
iSHARES TRUST | 0.37% | 173,313 | 0 (0.00%) | May 31, 2026 |
Tema ETF Trust | 0.16% | 76,769 | 0 (0.00%) | May 31, 2026 |
Advisors' Inner Circle Fund III | 0.07% | 34,893 | 0 (0.00%) | Apr 30, 2026 |
FIDELITY CONCORD STREET TRUST | 0.06% | 29,538 | 0 (0.00%) | May 31, 2026 |
ETFis Series Trust I | 0.05% | 21,393 | 0 (0.00%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions353.4M (93.57%)
- Mutual Funds14.0M (3.70%)
- Insiders10.3M (2.72%)
- Other0 (0.00%)
Insider Transactions
- 2.72% (10.3M)Current InsiderOwnership (%, shares)
- 1Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Griffiths Richard Ian | Sell | Aug 10, 2026 | $0.00 | 2.8M | $0.00 | 7.5M |
Griffiths Richard Ian | Sell | Aug 10, 2026 | $0.00 | 100,000 | $0.00 | 7.4M |
Griffiths Richard Ian | Sell | Aug 10, 2026 | $0.00 | 50,000 | $0.00 | 7.3M |
Griffiths Richard Ian | Sell | Aug 10, 2026 | $0.00 | 3,500 | $0.00 | 7.3M |
Griffiths Richard Ian | Sell | Aug 10, 2026 | $0.00 | 800,000 | $0.00 | 6.5M |
Griffiths Richard Ian | Sell | Aug 10, 2026 | $0.00 | 382,000 | $0.00 | 6.2M |
Griffiths Richard Ian | Sell | Aug 10, 2026 | $0.00 | 470,820 | $0.00 | 5.7M |
Griffiths Richard Ian | Sell | Aug 10, 2026 | $0.00 | 605,174 | $0.00 | 5.1M |
Griffiths Richard Ian | Sell | Aug 10, 2026 | $0.00 | 120,000 | $0.00 | 5.0M |
Griffiths Richard Ian | Sell | Aug 10, 2026 | $0.00 | 60,000 | $0.00 | 4.9M |
Griffiths Richard Ian | Sell | Aug 10, 2026 | $0.00 | 100,000 | $0.00 | 4.8M |
Griffiths Richard Ian | Sell | Jul 06, 2026 | $0.00 | 865,112 | $0.00 | 10.3M |
Griffiths Richard Ian | Sell | Jul 02, 2026 | $0.00 | 50,082 | $0.00 | 11.1M |
Griffiths Richard Ian | Sell | Jul 01, 2026 | $0.00 | 79,180 | $0.00 | 11.2M |
Griffiths Richard Ian | Sell | Jul 01, 2026 | $0.00 | 50,000 | $0.00 | 11.2M |
Griffiths Richard Ian | Sell | Jun 30, 2026 | $0.00 | 169,928 | $0.00 | 11.3M |
Griffiths Richard Ian | Sell | Jun 29, 2026 | $0.00 | 330,072 | $0.00 | 11.5M |
MCINERNEY TIMOTHY | Award | Jan 02, 2026 | $0.00 | 90,000 | $0.00 | 90,000 |
Romano Steven J. EVP and Chief R&D Officer | Award | Jan 02, 2026 | $0.00 | 300,000 | $0.00 | 300,000 |
Ede-Golightly James | Award | Jan 02, 2026 | $0.00 | 90,000 | $0.00 | 90,000 |
Lemus David | Award | Jan 02, 2026 | $0.00 | 90,000 | $0.00 | 90,000 |
HELLUMS RHONDA LYNETTE Chief Financial Officer | Award | Jan 02, 2026 | $0.00 | 375,000 | $0.00 | 375,000 |
Ede-Golightly James | Award | Dec 22, 2025 | $0.00 | 90,000 | $0.00 | 90,000 |
Ross Iain Interim PEO | Award | Dec 18, 2025 | $0.00 | 900,000 | $0.00 | 900,000 |
Griffiths Richard Ian | Sell | Oct 27, 2025 | $0.00 | 2,000 | $0.00 | 11.8M |
Griffiths Richard Ian | Buy | Oct 27, 2025 | $0.00 | 2,000 | $0.00 | 11.8M |
Griffiths Richard Ian | Sell | Aug 03, 2025 | $0.00 | 20,000 | $0.00 | 11.8M |
Griffiths Richard Ian | Buy | Aug 03, 2025 | $0.00 | 20,000 | $0.00 | 11.8M |
Griffiths Richard Ian | Buy | Jul 30, 2025 | $0.00 | 8,923 | $0.00 | 11.8M |
Griffiths Richard Ian | Buy | Jul 29, 2025 | $0.00 | 14,559 | $0.00 | 11.8M |