182 tracked 13F filers disclose a position in TSHA as of the latest SEC 13F filings, a combined $1.4B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Avoro Capital Advisors LLC | $162.7M | 23.9M | ▲+10% Added · +2.2M sh | Q2 2026 | |
| 2 | RA CAPITAL MANAGEMENT, L.P. | $105.3M | 23.6M | —Held | Q1 2026 | |
| 3 | GOLDMAN SACHS GROUP INC | $100.0M | 22.4M | ▲+63% Added · +8.7M sh | Q1 2026 | |
| 4 | BlackRock, Inc. | $82.1M | 18.4M | ▼−1.5% Reduced · −278K sh | Q1 2026 | |
| 5 | Vestal Point Capital, LP | $80.5M | 18.0M | ▲+31% Added · +4.3M sh | Q1 2026 | |
| 6 | MORGAN STANLEY | $80.3M | 18.0M | ▼−0.6% Reduced · −113K sh | Q1 2026 | |
| 7 | FMR LLC | $64.0M | 14.3M | ▲+5.9% Added · +793K sh | Q1 2026 | |
| 8 | RTW INVESTMENTS, LP | $92.3M | 13.6M | ▼−0.9% Reduced · −120K sh | Q2 2026 | |
| 9 | STATE STREET CORP | $77.8M | 11.4M | ▲+1.9% Added · +213K sh | Q2 2026 | |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | $45.7M | 10.2M | →First observed position No prior filed position | Q1 2026 | |
| 11 | Siren, L.L.C. | $67.1M | 9.8M | ▲+12% Added · +1.0M sh | Q2 2026 | |
| 12 | Octagon Capital Advisors LP | $39.6M | 8.9M | —Held | Q1 2026 | |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | $44.7M | 6.6M | ▲+19% Added · +1.0M sh | Q2 2026 | |
| 14 | Polar Capital Holdings Plc | $34.8M | 5.1M | ▼−9.5% Reduced · −537K sh | Q2 2026 | |
| 15 | D. E. Shaw & Co., Inc. | $19.8M | 4.4M | ▲+10% Added · +414K sh | Q1 2026 | |
| 16 | BAKER BROS. ADVISORS LP | $17.9M | 4.0M | —Held | Q1 2026 | |
| 17 | MILLENNIUM MANAGEMENT LLC | $14.7M | 3.3M | ▲+3.2% Added · +103K sh | Q1 2026 | |
| 18 | Casdin Capital, LLC | $14.5M | 3.3M | ▲+117% Added · +1.8M sh | Q1 2026 | |
| 19 | ADAR1 Capital Management, LLC | $13.3M | 3.0M | ▲+19% Added · +484K sh | Q1 2026 | |
| 20 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $12.9M | 2.9M | ▼−23% Reduced · −839K sh | Q1 2026 | |
| 21 | BARCLAYS PLC | $11.4M | 2.8M | ▼−49% Reduced · −2.7M sh | Q1 2026 | |
| 22 | DEERFIELD MANAGEMENT COMPANY, L.P. | $12.2M | 2.7M | —Held | Q1 2026 | |
| 23 | VANGUARD PORTFOLIO MANAGEMENT LLC | $9.0M | 2.0M | →First observed position No prior filed position | Q1 2026 | |
| 24 | RICE HALL JAMES & ASSOCIATES, LLC | $13.6M | 2.0M | ▲+2.4% Added · +48K sh | Q2 2026 | |
| 25 | NORGES BANK | $10.1M | 1.8M | ▲New +1.8M sh | Q4 2025 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 5 funds opened a new position in TSHA and 28 added to an existing one, while 13 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 90 funds | $277.8B |
| MICROSOFT CORPMSFT | 88 funds | $185.8B |
| AMAZON.COM INCAMZN | 88 funds | $134.8B |
| ELI LILLY & COLLY | 88 funds | $56.4B |
| BROADCOM INCAVGO | 85 funds | $111.3B |
| ADVANCED MICRO DEVICESAMD | 85 funds | $27.1B |
| META PLATFORMS INC-CLASS AMETA | 84 funds | $79.0B |
| ALPHABET INC-CL AGOOGL | 83 funds | $106.8B |
| MICRON TECHNOLOGY INCMU | 82 funds | $28.8B |
| LAM RESEARCH CORPLRCX | 82 funds | $25.3B |
| APPLE INCAAPL | 81 funds | $205.3B |
| TESLA INCTSLA | 81 funds | $48.7B |
Ranked by how many of TSHA's institutional holders also hold each name, a cross-fund conviction signal.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
No filings captured for this ticker in the live stream yet.
Connected entities for TSHA
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/TSHA/capital-change-brief"
Use Arkolith's capital_change_brief for TSHA. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for TSHA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.