2m 2m 2m 2m 2m 2m 2m
TAYSHA GENE THER (TSHA)
NASDAQ
$6.95+$0.42 (+6.49%)
Price as of Jun 23, 2026 6:28 PM EDT- $1.9BMarket Cap
- 162.25%1-Year Change
- BiotechnologyIndustry
TAYSHA GENE THER (TSHA)
$6.95+$0.42 (+6.49%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
RA CAPITAL MANAGEMENT, L.P. | 8.20% | 23.6M | 0 (0.00%) | Mar 31, 2026 |
GOLDMAN SACHS GROUP INC | 7.79% | 22.4M | +8.7M (+38.79%) | Mar 31, 2026 |
AVORO CAPITAL ADVISORS LLC | 7.55% | 21.7M | 0 (0.00%) | Mar 31, 2026 |
BLACKROCK, INC. | 6.39% | 18.4M | -277,521 (-1.51%) | Mar 31, 2026 |
VESTAL POINT CAPITAL, LP | 6.26% | 18.0M | +4.3M (+23.61%) | Mar 31, 2026 |
MORGAN STANLEY | 6.25% | 18.0M | -113,147 (-0.63%) | Mar 31, 2026 |
FMR LLC | 4.98% | 14.3M | +792,889 (+5.54%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 3.48% | 10.0M | +743,791 (+7.44%) | Mar 31, 2026 |
iSHARES TRUST | 3.42% | 9.8M | -244,527 (-2.49%) | Mar 31, 2026 |
FIDELITY MT VERNON STREET TRUST | 2.24% | 6.4M | -61,142 (-0.95%) | Feb 28, 2026 |
SPDR SERIES TRUST | 2.17% | 6.2M | -71,822 (-1.15%) | Mar 31, 2026 |
FIDELITY CONCORD STREET TRUST | 0.72% | 2.1M | -2,558 (-0.12%) | Feb 28, 2026 |
VANGUARD SCOTTSDALE FUNDS | 0.46% | 1.3M | +72,658 (+5.52%) | Feb 28, 2026 |
SCHWAB STRATEGIC TRUST | 0.42% | 1.2M | +12,040 (+1.00%) | Feb 28, 2026 |
Current Ownership Distribution
- Institutions2.2B (86.14%)
- Mutual Funds328.7M (12.81%)
- Insiders26.9M (1.05%)
- Other0 (0.00%)
Insider Transactions
- 1.05% (26.9M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 3Number of InsiderSelling (last 12 months)
- $67.7MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Alam Kamran CHIEF FINANCIAL OFFICER | Sell | Feb 04, 2026 | $7,480.60 | 1,655 | $4.52 | 1.4M |
Alam Kamran CHIEF FINANCIAL OFFICER | Sell | Jan 26, 2026 | $109,943.89 | 23,849 | $4.61 | 1.4M |
Nagendran Sukumar President and Head of R&D | Sell | Jan 26, 2026 | $124,091.98 | 26,918 | $4.61 | 1.3M |
Nolan Sean P. Chief Executive Officer | Sell | Jan 26, 2026 | $190,448.32 | 41,312 | $4.61 | 2.9M |
Alam Kamran CHIEF FINANCIAL OFFICER | Sell | Jan 23, 2026 | $375,098.00 | 78,968 | $4.75 | 1.5M |
Nagendran Sukumar President and Head of R&D | Sell | Jan 23, 2026 | $423,377.00 | 89,132 | $4.75 | 1.3M |
Nolan Sean P. Chief Executive Officer | Sell | Jan 23, 2026 | $649,747.75 | 136,789 | $4.75 | 2.9M |
Nagendran Sukumar President and Head of R&D | Exempt | Jan 12, 2026 | $0.00 | 111,324 | $0.00 | 111,359 |
Nolan Sean P. Chief Executive Officer | Award | Jan 12, 2026 | $0.00 | 648,000 | $0.00 | 648,000 |
Nagendran Sukumar President and Head of R&D | Exempt | Jan 12, 2026 | $0.00 | 88,676 | $0.00 | 474,941 |
Alam Kamran CHIEF FINANCIAL OFFICER | Award | Jan 12, 2026 | $0.00 | 231,000 | $0.00 | 231,000 |
Nagendran Sukumar President and Head of R&D | Award | Jan 12, 2026 | $0.00 | 274,000 | $0.00 | 274,000 |
Nolan Sean P. Chief Executive Officer | Award | Jan 12, 2026 | $0.00 | 1.0M | $0.00 | 3.1M |
Nagendran Sukumar President and Head of R&D | Exempt | Jan 12, 2026 | $77,804.34 | 111,324 | $0.70 | 1.1M |
Alam Kamran CHIEF FINANCIAL OFFICER | Award | Jan 12, 2026 | $0.00 | 359,000 | $0.00 | 1.5M |
Nagendran Sukumar President and Head of R&D | Exempt | Jan 12, 2026 | $151,635.96 | 88,676 | $1.71 | 1.2M |
Nagendran Sukumar President and Head of R&D | Sell | Jan 12, 2026 | $942,000.00 | 200,000 | $4.71 | 1.0M |
Nagendran Sukumar President and Head of R&D | Award | Jan 12, 2026 | $0.00 | 427,000 | $0.00 | 1.4M |
Nagendran Sukumar President and Head of R&D | Exempt | Sep 10, 2025 | $0.00 | 41,150 | $0.00 | 292,855 |
Nagendran Sukumar President and Head of R&D | Exempt | Sep 10, 2025 | $28,759.74 | 41,150 | $0.70 | 1.2M |
Nagendran Sukumar President and Head of R&D | Sell | Sep 10, 2025 | $646,000.00 | 200,000 | $3.23 | 1.0M |
Nagendran Sukumar President and Head of R&D | Sell | Aug 21, 2025 | $162,603.90 | 57,054 | $2.85 | 1.2M |
Sepp-Lorenzino Laura | Award | Jun 02, 2025 | $0.00 | 113,246 | $0.00 | 113,246 |
Donenberg Phillip B. | Award | Jun 02, 2025 | $0.00 | 113,246 | $0.00 | 113,246 |
Long Alison S | Award | Jun 02, 2025 | $0.00 | 113,246 | $0.00 | 113,246 |
Donenberg Phillip B. | Award | Jun 02, 2025 | $0.00 | 56,623 | $0.00 | 219,954 |
Sepp-Lorenzino Laura | Award | Jun 02, 2025 | $0.00 | 56,623 | $0.00 | 105,843 |
Stalfort Sean | Award | Jun 02, 2025 | $0.00 | 113,246 | $0.00 | 113,246 |
Long Alison S | Award | Jun 02, 2025 | $0.00 | 56,623 | $0.00 | 105,843 |
Stalfort Sean | Award | Jun 02, 2025 | $0.00 | 56,623 | $0.00 | 1.2M |