341 tracked 13F filers disclose a position in BIO as of the latest SEC 13F filings, a combined $4.9B 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 | First Eagle Investment Management, LLC | $765.2M | 2.6M | —Held | Q3 2026 | |
| 2 | BlackRock, Inc. | $468.3M | 1.7M | ▼−0.1% Reduced · −888 sh | Q1 2026 | |
| 3 | DIMENSIONAL FUND ADVISORS LP | $303.6M | 1.1M | ▲+1.1% Added · +12K sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $231.7M | 831K | →First observed position No prior filed position | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $231.1M | 829K | →First observed position No prior filed position | Q1 2026 | |
| 6 | ARIEL INVESTMENTS, LLC | $219.1M | 786K | ▲+2.8% Added · +21K sh | Q1 2026 | |
| 7 | EARNEST PARTNERS LLC | $170.5M | 581K | ▼−1.4% Reduced · −8K sh | Q2 2026 | |
| 8 | STATE STREET CORP | $167.9M | 572K | ▲+2.2% Added · +12K sh | Q2 2026 | |
| 9 | BANK OF AMERICA CORP /DE/ | $124.0M | 445K | ▼−0.1% Reduced · −492 sh | Q1 2026 | |
| 10 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $118.8M | 426K | ▲+7.8% Added · +31K sh | Q1 2026 | |
| 11 | First Pacific Advisors, LP | $113.6M | 407K | ▲+1.5% Added · +6K sh | Q1 2026 | |
| 12 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $110.4M | 396K | ▼−0.8% Reduced · −3K sh | Q1 2026 | |
| 13 | UBS Group AG | $98.8M | 354K | ▲+64% Added · +138K sh | Q1 2026 | |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | $102.1M | 348K | ▼−4.7% Reduced · −17K sh | Q2 2026 | |
| 15 | SEI INVESTMENTS CO | $80.3M | 288K | ▼−1.4% Reduced · −4K sh | Q1 2026 | |
| 16 | BARCLAYS PLC | $77.7M | 279K | ▲11× Added · +254K sh | Q1 2026 | |
| 17 | MORGAN STANLEY | $76.4M | 274K | ▲+47% Added · +88K sh | Q1 2026 | |
| 18 | DEERFIELD MANAGEMENT COMPANY, L.P. | $63.0M | 226K | —Held | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $60.9M | 218K | ▲+1.1% Added · +2K sh | Q1 2026 | |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $54.8M | 197K | ▲+9.0% Added · +16K sh | Q1 2026 | |
| 21 | Mawer Investment Management Ltd. | $52.6M | 189K | ▼−19% Reduced · −45K sh | Q1 2026 | |
| 22 | FRANKLIN RESOURCES INC | $47.5M | 170K | ▲+24% Added · +33K sh | Q1 2026 | |
| 23 | SOUTHEASTERN ASSET MANAGEMENT INC/TN/ | $45.4M | 163K | ▼−28% Reduced · −65K sh | Q1 2026 | |
| 24 | Gotham Asset Management, LLC | $42.5M | 152K | ▲+30% Added · +35K sh | Q1 2026 | |
| 25 | CITADEL ADVISORS LLC | $41.4M | 149K | ▲16× Added · +139K 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, 6 funds opened a new position in BIO and 27 added to an existing one, while 16 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 | 191 funds | $188.8B |
| MICROSOFT CORPMSFT | 190 funds | $259.1B |
| META PLATFORMS INC-CLASS AMETA | 189 funds | $105.0B |
| NVIDIA CORPNVDA | 185 funds | $369.4B |
| APPLE INCAAPL | 183 funds | $281.7B |
| ALPHABET INC-CL CGOOG | 182 funds | $119.2B |
| ALPHABET INC-CL AGOOGL | 180 funds | $158.2B |
| BROADCOM INCAVGO | 180 funds | $147.0B |
| ELI LILLY & COLLY | 180 funds | $72.8B |
| JPMORGAN CHASE & COJPM | 179 funds | $64.6B |
| MASTERCARD INC - AMA | 179 funds | $53.2B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 178 funds | $32.8B |
Ranked by how many of BIO's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 15, 2007 | TSINGOS CHRISTINE A | Chief Financial Officer | Sell (S) | 3K | $241K |
| Jun 8, 2007 | STARK JAMES R | Controller | Sell (S) | 6K | $428K |
| Jun 4, 2007 | CRUTCHFIELD BRADFORD | Vice President | Sell (S) | 8K | $557K |
| Jun 4, 2007 | CRUTCHFIELD BRADFORD | Vice President | Sell (S) | 700 | $52K |
| Sep 11, 2006 | WADLER SANFORD | Vice President, General | Sell (S) | 1K | $71K |
| Sep 11, 2006 | WADLER SANFORD | Vice President, General | Sell (S) | 800 | $57K |
| Sep 11, 2006 | WADLER SANFORD | Vice President, General | Sell (S) | 2K | $157K |
| Sep 5, 2006 | TSINGOS CHRISTINE A | Chief Financial Officer | Sell (S) | 4K | $258K |
| Aug 25, 2006 | WADLER SANFORD | Vice President, General | Sell (S) | 2K | $170K |
| Aug 21, 2006 | WADLER SANFORD | Vice President, General | Sell (S) | 2K | $113K |
| Aug 18, 2006 | WADLER SANFORD | Vice President, General | Sell (S) | 500 | $36K |
| Aug 18, 2006 | WADLER SANFORD | Vice President, General | Sell (S) | 986 | $69K |
| Class | 13F holders | Value held |
|---|---|---|
| BIOthis pagecs | 341 funds | $4.9B |
| 090572108common | 6 funds | $780K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for BIO
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/BIO/capital-change-brief"
Use Arkolith's capital_change_brief for BIO. 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 BIO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.