120 tracked 13F filers disclose a position in AVIR as of the latest SEC 13F filings, a combined $290.3M 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 | FMR LLC | $64.3M | 12.0M | ▲+23% Added · +2.3M sh | Q1 2026 | |
| 2 | BlackRock, Inc. | $45.4M | 8.4M | ▼−0.7% Reduced · −56K sh | Q1 2026 | |
| 3 | BML Capital Management, LLC | $32.3M | 7.0M | ▼−1.5% Reduced · −106K sh | Q2 2026 | |
| 4 | TANG CAPITAL MANAGEMENT LLC | $25.9M | 4.8M | —Held | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $17.5M | 3.2M | →First observed position No prior filed position | Q1 2026 | |
| 6 | Bain Capital Life Sciences Investors, LLC | $9.7M | 2.1M | ▼−12% Reduced · −285K sh | Q2 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $9.1M | 2.0M | ▲+12% Added · +211K sh | Q2 2026 | |
| 8 | TWO SIGMA INVESTMENTS, LP | $10.0M | 1.9M | ▲+150% Added · +1.1M sh | Q1 2026 | |
| 9 | STATE STREET CORP | $7.7M | 1.7M | ▼−2.5% Reduced · −42K sh | Q2 2026 | |
| 10 | DIMENSIONAL FUND ADVISORS LP | $6.8M | 1.3M | ▼−8.6% Reduced · −118K sh | Q1 2026 | |
| 11 | RENAISSANCE TECHNOLOGIES LLC | $6.3M | 1.2M | ▼−1.9% Reduced · −22K sh | Q1 2026 | |
| 12 | JPMORGAN CHASE & CO | $4.8M | 940K | ▼−30% Reduced · −408K sh | Q1 2026 | |
| 13 | MORGAN STANLEY | $3.9M | 731K | ▲+11% Added · +75K sh | Q1 2026 | |
| 14 | Curated Wealth Partners LLC | Withheld | 695K | ▲New +695K sh | Q2 2026 | |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $3.2M | 597K | ▼−1.8% Reduced · −11K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $3.2M | 588K | ▲+25% Added · +116K sh | Q1 2026 | |
| 17 | NORTHERN TRUST CORP | $3.1M | 585K | ▲+4.4% Added · +25K sh | Q1 2026 | |
| 18 | VANGUARD PORTFOLIO MANAGEMENT LLC | $3.0M | 558K | →First observed position No prior filed position | Q1 2026 | |
| 19 | VANGUARD FIDUCIARY TRUST CO | $2.6M | 485K | →First observed position No prior filed position | Q1 2026 | |
| 20 | JANE STREET GROUP, LLC | $2.3M | 418K | ▲+67% Added · +168K sh | Q1 2026 | |
| 21 | D. E. Shaw & Co., Inc. | $2.0M | 379K | ▼−18% Reduced · −85K sh | Q1 2026 | |
| 22 | CM Management, LLC | $1.7M | 355K | —Held | Q2 2026 | |
| 23 | MILLENNIUM MANAGEMENT LLC | $1.9M | 350K | ▼−50% Reduced · −348K sh | Q1 2026 | |
| 24 | BANQUE PICTET & CIE SA | $1.6M | 345K | —Held | Q2 2026 | |
| 25 | Opaleye Management Inc. | $1.7M | 323K | ▲+79% Added · +143K sh | Q1 2026 |
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, 9 funds opened a new position in AVIR and 17 added to an existing one, while 14 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 |
|---|---|---|
| ELI LILLY & COLLY | 59 funds | $38.0B |
| MICROSOFT CORPMSFT | 58 funds | $140.9B |
| AMAZON.COM INCAMZN | 57 funds | $98.6B |
| ALPHABET INC-CL AGOOGL | 57 funds | $79.4B |
| META PLATFORMS INC-CLASS AMETA | 57 funds | $56.8B |
| JPMORGAN CHASE & COJPM | 57 funds | $28.9B |
| COSTCO WHOLESALE CORPCOST | 57 funds | $20.4B |
| NVIDIA CORPNVDA | 56 funds | $205.2B |
| APPLE INCAAPL | 56 funds | $155.2B |
| TESLA INCTSLA | 56 funds | $36.5B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 56 funds | $19.7B |
| MICRON TECHNOLOGY INCMU | 56 funds | $19.3B |
Ranked by how many of AVIR's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 18, 2026 | Murphy Polly A. | Director | Buy (P) | 6K | $25K |
| Jan 16, 2025 | BERGER FRANKLIN M | Director | Buy (P) | 10K | $34K |
| Jan 15, 2025 | BERGER FRANKLIN M | Director | Buy (P) | 15K | $48K |
| Dec 10, 2024 | BERGER FRANKLIN M | Director | Sell (S) | 360K | $1.0M |
| Sep 19, 2024 | Sommadossi Jean-Pierre | President, CEO, and Chairman, Director | Sell (S) | 2K | $7K |
| Sep 18, 2024 | Sommadossi Jean-Pierre | President, CEO, and Chairman, Director | Sell (S) | 22K | $89K |
| Sep 17, 2024 | Sommadossi Jean-Pierre | President, CEO, and Chairman, Director | Sell (S) | 34K | $137K |
| Jun 20, 2024 | Polsky Bruce | Director | Sell (S) | 18K | $61K |
| Jun 5, 2024 | Sommadossi Jean-Pierre | President, CEO, and Chairman, Director | Sell (S) | 1K | $4K |
| Feb 1, 2024 | Hammond Janet MJ | Chief Development Officer | Sell (S) | 14K | $54K |
| Feb 1, 2024 | Vavricka John | Chief Commercial Officer | Sell (S) | 12K | $45K |
| Feb 1, 2024 | Foster Wayne | EVP, Chief Accounting Officer | Sell (S) | 12K | $48K |
Connected entities for AVIR
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/AVIR/capital-change-brief"
Use Arkolith's capital_change_brief for AVIR. 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 AVIR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.