Who owns Taysha Gene Therapies, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of TSHA from SEC Form 13F filings across 208 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 208 institutions disclosed 299.6M shares of Taysha Gene Therapies, Inc. worth $2.06B — about 81.2% of shares outstanding; the largest disclosed holder is Avoro Capital Advisors LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
208
13F holders
$2.06B
value, 2026 filers
81.2%
of shares outstanding (299.6M sh)
41
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of TSHA's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Avoro Capital Advisors LLC | 23.9M | $162.7M | 1.5% | 6.5% | +10.1% |
| 2 | RA CAPITAL MANAGEMENT, L.P. | 23.6M | $160.4M | 1.4% | 6.4% | 0.0% |
| 3 | GOLDMAN SACHS GROUP INC | 22.7M | $154.7M | 0.0% | 6.2% | +1.5% |
| 4 | BlackRock, Inc. | 20.7M | $140.9M | 0.0% | 5.6% | +12.7% |
| 5 | Vestal Point Capital, LP | 19.4M | $132.2M | 3.1% | 5.3% | +7.9% |
| 6 | MORGAN STANLEY | 16.5M | $112.3M | 0.0% | 4.5% | -8.2% |
| 7 | RTW INVESTMENTS, LP | 13.6M | $92.3M | 0.8% | 3.7% | -0.9% |
| 8 | FMR LLC | 13.3M | $90.8M | 0.0% | 3.6% | -6.9% |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 12.5M | $85.0M | 0.0% | 3.4% | +22.0% |
| 10 | STATE STREET CORP | 11.4M | $77.8M | 0.0% | 3.1% | +1.9% |
| 11 | Siren, L.L.C. | 9.8M | $67.1M | 1.4% | 2.7% | +11.5% |
| 12 | Octagon Capital Advisors LP | 9.7M | $66.0M | 5.9% | 2.6% | +9.4% |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 6.6M | $44.7M | 0.0% | 1.8% | +18.6% |
| 14 | Polar Capital Holdings Plc | 5.1M | $34.8M | 0.1% | 1.4% | -9.5% |
| 15 | MPM BIOIMPACT LLCNEW | 4.5M | $30.6M | 1.9% | 1.2% | new |
| 16 | D. E. Shaw & Co., Inc. | 4.4M | $30.0M | 0.0% | 1.2% | -0.6% |
| 17 | BAKER BROS. ADVISORS LP | 4.0M | $27.3M | 0.1% | 1.1% | 0.0% |
| 18 | WELLINGTON MANAGEMENT GROUP LLP | 4.0M | $27.1M | 0.0% | 1.1% | +534.7% |
| 19 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 3.9M | $26.5M | 0.0% | 1.1% | +34.8% |
| 20 | Casdin Capital, LLC | 3.3M | $22.1M | 1.1% | 0.9% | 0.0% |
| 21 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.1M | $21.4M | 0.0% | 0.9% | +55.3% |
| 22 | ADAR1 Capital Management, LLC | 3.0M | $20.7M | 0.9% | 0.8% | +2.0% |
| 23 | Pictet Asset Management Holding SA | 2.8M | $18.9M | 0.0% | 0.8% | +14242.6% |
| 24 | Aberdeen Group plc | 2.3M | $15.8M | 0.0% | 0.6% | +127.9% |
| 25 | FARALLON CAPITAL MANAGEMENT, L.L.C.NEW | 2.3M | $15.3M | 0.1% | 0.6% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.