272 tracked 13F filers disclose a position in BCRX as of the latest SEC 13F filings, a combined $2.3B 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 | BlackRock, Inc. | $215.6M | 22.7M | ▲+7.2% Added · +1.5M sh | Q1 2026 | |
| 2 | RA CAPITAL MANAGEMENT, L.P. | $150.7M | 15.8M | —Held | Q1 2026 | |
| 3 | STATE STREET CORP | $151.9M | 15.2M | ▲+24% Added · +3.0M sh | Q2 2026 | |
| 4 | DEERFIELD MANAGEMENT COMPANY, L.P. | $143.2M | 15.0M | ▲+4.9% Added · +697K sh | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $107.0M | 11.2M | →First observed position No prior filed position | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $106.0M | 11.1M | →First observed position No prior filed position | Q1 2026 | |
| 7 | TCG Crossover Management, LLC | $104.9M | 11.0M | ▲New +11.0M sh | Q1 2026 | |
| 8 | Janus Henderson Group Ltd. | $84.9M | 8.9M | ▲+20% Added · +1.5M sh | Q1 2026 | |
| 9 | PERCEPTIVE ADVISORS LLC | $70.8M | 7.4M | ▲+135% Added · +4.3M sh | Q1 2026 | |
| 10 | Vestal Point Capital, LP | $66.9M | 7.0M | ▲+212% Added · +4.8M sh | Q1 2026 | |
| 11 | TWO SIGMA INVESTMENTS, LP | $60.9M | 6.4M | ▲+42% Added · +1.9M sh | Q1 2026 | |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | $62.5M | 6.2M | ▲+8.0% Added · +465K sh | Q2 2026 | |
| 13 | Kynam Capital Management, LP | $54.1M | 5.7M | ▼−39% Reduced · −3.7M sh | Q1 2026 | |
| 14 | BANK OF AMERICA CORP /DE/ | $48.5M | 5.1M | ▲+232% Added · +3.6M sh | Q1 2026 | |
| 15 | Aberdeen Group plc | $48.0M | 5.0M | ▲+452% Added · +4.1M sh | Q1 2026 | |
| 16 | UBS Group AG | $47.1M | 4.9M | ▼−6.1% Reduced · −320K sh | Q1 2026 | |
| 17 | Frazier Life Sciences Management, L.P. | $40.1M | 4.0M | —Held | Q2 2026 | |
| 18 | Nuveen, LLC | $36.4M | 3.8M | ▲+5.7% Added · +207K sh | Q1 2026 | |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $26.8M | 2.8M | ▲+319% Added · +2.1M sh | Q1 2026 | |
| 20 | Fisher Asset Management, LLC | $26.0M | 2.7M | ▲+11% Added · +266K sh | Q1 2026 | |
| 21 | DIMENSIONAL FUND ADVISORS LP | $25.6M | 2.7M | ▲+119% Added · +1.5M sh | Q1 2026 | |
| 22 | Candriam S.C.A. | $25.1M | 2.5M | ▲+10.0% Added · +228K sh | Q2 2026 | |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $22.4M | 2.4M | ▲+17% Added · +345K sh | Q1 2026 | |
| 24 | GOLDMAN SACHS GROUP INC | $22.3M | 2.3M | ▼−27% Reduced · −865K sh | Q1 2026 | |
| 25 | RICE HALL JAMES & ASSOCIATES, LLC | $23.3M | 2.3M | ▲+4.6% Added · +102K sh | Q2 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, 10 funds opened a new position in BCRX and 27 added to an existing one, while 20 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 |
|---|---|---|
| AMAZON.COM INCAMZN | 136 funds | $148.9B |
| MICROSOFT CORPMSFT | 135 funds | $203.1B |
| ELI LILLY & COLLY | 135 funds | $62.2B |
| META PLATFORMS INC-CLASS AMETA | 134 funds | $84.0B |
| NVIDIA CORPNVDA | 133 funds | $299.3B |
| MICRON TECHNOLOGY INCMU | 131 funds | $30.3B |
| APPLE INCAAPL | 130 funds | $227.7B |
| ALPHABET INC-CL AGOOGL | 130 funds | $121.5B |
| BROADCOM INCAVGO | 129 funds | $118.6B |
| INTUITIVE SURGICAL INCISRG | 129 funds | $22.0B |
| JPMORGAN CHASE & COJPM | 126 funds | $48.4B |
| UNITEDHEALTH GROUP INCUNH | 126 funds | $23.0B |
Ranked by how many of BCRX's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 18, 2026 | McKee Amy E | Director | Sell (S) | 11K | $100K |
| May 13, 2026 | Barnes Alane P | Chief Legal Officer | Sell (S) | 63K | $596K |
| Mar 20, 2026 | HEGGIE THERESA | Director | Sell (S) | 50K | $505K |
| Mar 16, 2026 | Barnes Alane P | Chief Legal Officer | Sell (S) | 150K | $1.4M |
| Dec 22, 2025 | Barnes Alane P | Chief Legal Officer | Sell (S) | 22K | $167K |
| Dec 15, 2025 | Barnes Alane P | Chief Legal Officer | Sell (S) | 21K | $162K |
| Dec 3, 2025 | Barnes Alane P | Chief Legal Officer | Sell (S) | 20K | $151K |
| Dec 2, 2025 | Barnes Alane P | Chief Legal Officer | Sell (S) | 51K | $367K |
| Dec 1, 2025 | Barnes Alane P | Chief Legal Officer | Sell (S) | 91K | $646K |
| Nov 13, 2025 | SANDERS MACHELLE | Director | Sell (S) | 10K | $69K |
| Aug 13, 2025 | HEGGIE THERESA | Director | Sell (S) | 70K | $596K |
| Dec 13, 2024 | Hutson Nancy J | Director | Sell (S) | 7K | $53K |
Connected entities for BCRX
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/BCRX/capital-change-brief"
Use Arkolith's capital_change_brief for BCRX. 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 BCRX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.