| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Aberdeen Group plc | $6.6M | 458K | ▲+75% Added · +196K sh | Q1 2026 | |
| 2 | Soleus Capital Management, L.P. | $6.0M | 417K | ▲New +417K sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $3.7M | 255K | ▲New +255K sh | Q1 2026 | |
| 4 | Opaleye Management Inc. | $3.5M | 238K | ▲New +238K sh | Q1 2026 | |
| 5 | MARSHALL WACE, LLP | $2.1M | 142K | ▲New +142K sh | Q1 2026 | |
| 6 | STEMPOINT CAPITAL LP | $1.0M | 70K | ▲New +70K sh | Q1 2026 | |
| 7 | Trexquant Investment LP | $1.0M | 70K | ▲+153% Added · +42K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $726K | 50K | ▲+18% Added · +8K sh | Q1 2026 | |
| 9 | TWO SIGMA INVESTMENTS, LP | $656K | 45K | ▲New +45K sh | Q1 2026 | |
| 10 | SEI INVESTMENTS CO | $624K | 43K | ▲New +43K sh | Q1 2026 | |
| 11 | UBS Group AG | $534K | 37K | ▲New +37K sh | Q1 2026 | |
| 12 | MORGAN STANLEY | $470K | 32K | ▲531× Added · +32K sh | Q1 2026 | |
| 13 | VANGUARD FIDUCIARY TRUST CO | $416K | 29K | ▲New +29K sh | Q1 2026 | |
| 14 | BLAIR WILLIAM & CO/IL | $400K | 28K | ▲New +28K sh | Q1 2026 | |
| 15 | JANE STREET GROUP, LLC | $392K | 27K | ▲New +27K sh | Q1 2026 | |
| 16 | BlackRock, Inc. | $355K | 24K | —Held | Q1 2026 | |
| 17 | MILLENNIUM MANAGEMENT LLC | $348K | 24K | ▲New +24K sh | Q1 2026 | |
| 18 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $335K | 23K | ▲Added Added · +23K sh | Q1 2026 | |
| 19 | STATE STREET CORP | $258K | 18K | —Held | Q1 2026 | |
| 20 | Cetera Investment Advisers | $174K | 12K | ▲+20% Added · +2K sh | Q1 2026 | |
| 21 | RENAISSANCE TECHNOLOGIES LLC | $173K | 12K | ▲New +12K sh | Q1 2026 | |
| 22 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $160K | 11K | ▲New +11K sh | Q1 2026 | |
| 23 | Walleye Capital LLC | $157K | 11K | ▲New +11K sh | Q1 2026 | |
| 24 | Allworth Financial LP | $72K | 5K | —Held | Q1 2026 | |
| 25 | Vanguard Global Advisers, LLC | $15K | 1K | ▲New +1K 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.
| Company | Co-held by | Combined value |
|---|---|---|
| UNITED THERAPEUTICS CORPUTHR | 9 funds | $328.7M |
| DEXCOM INCDXCM | 9 funds | $280.6M |
| ALNYLAM PHARMACEUTICALS INCALNY | 9 funds | $77.9M |
| AMAZON.COM INCAMZN | 8 funds | $3.8B |
| MICROSOFT CORPMSFT | 8 funds | $2.7B |
| ALPHABET INC-CL AGOOGL | 8 funds | $1.8B |
| META PLATFORMS INC-CLASS AMETA | 8 funds | $1.7B |
| BROADCOM INCAVGO | 8 funds | $1.5B |
| JPMORGAN CHASE & COJPM | 8 funds | $1.5B |
| TESLA INCTSLA | 8 funds | $1.2B |
| COSTCO WHOLESALE CORPCOST | 8 funds | $1.2B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 8 funds | $972.2M |
Ranked by how many of BDSX's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 30, 2026 | PATIENCE JOHN | Director | Option exercise (M) | 1K | $0 |
| Jun 30, 2026 | PATIENCE JOHN | Director | Option exercise (M) | 1K | — |
| Mar 31, 2026 | PATIENCE JOHN | Director | Option exercise (M) | 1K | $0 |
| Mar 31, 2026 | PATIENCE JOHN | Director | Option exercise (M) | 1K | — |
| Feb 23, 2026 | O'Kane Kieran | Chief Commercial Officer | Sell (S) | 535 | $7K |
| Feb 23, 2026 | Pestano Gary Anthony | Chief Development Officer | Sell (S) | 556 | $7K |
| Feb 23, 2026 | Hutton Scott | President & CEO, Director | Sell (S) | 1K | $19K |
| Feb 23, 2026 | Cowie Robin Harper | CFO, Sec'y & Treasurer | Sell (S) | 535 | $7K |
| Feb 23, 2026 | Vazquez Chris | Chief Accounting Officer | Sell (S) | 211 | $3K |
| Feb 20, 2026 | O'Kane Kieran | Chief Commercial Officer | Option exercise (M) | 1K | — |
| Feb 20, 2026 | O'Kane Kieran | Chief Commercial Officer | Option exercise (M) | 1K | $0 |
| Feb 20, 2026 | Pestano Gary Anthony | Chief Development Officer | Option exercise (M) | 2K | — |
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/BDSX/capital-change-brief"
Use Arkolith's capital_change_brief for BDSX. 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 BDSX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.