1171 tracked 13F filers disclose a position in REGN as of the latest SEC 13F filings, a combined $60.8B 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. | $6.9B | 8.9M | ▲+2.4% Added · +206K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $5.1B | 6.7M | →First observed position No prior filed position | Q1 2026 | |
| 3 | STATE STREET CORP | $3.0B | 4.8M | ▲+3.6% Added · +170K sh | Q2 2026 | |
| 4 | DODGE & COX | $3.4B | 4.5M | ▼−3.0% Reduced · −138K sh | Q1 2026 | |
| 5 | JPMORGAN CHASE & CO | $3.2B | 4.3M | ▲+9.4% Added · +372K sh | Q1 2026 | |
| 6 | FRANKLIN RESOURCES INC | $2.1B | 2.7M | ▲+6.3% Added · +162K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $1.6B | 2.6M | ▲+0.7% Added · +18K sh | Q2 2026 | |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | $1.7B | 2.2M | ▲+12% Added · +228K sh | Q1 2026 | |
| 9 | Nuveen, LLC | $1.6B | 2.1M | ▲+2.7% Added · +55K sh | Q1 2026 | |
| 10 | LOOMIS SAYLES & CO L P | $1.5B | 1.9M | ▼−1.1% Reduced · −22K sh | Q1 2026 | |
| 11 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.3B | 1.7M | →First observed position No prior filed position | Q1 2026 | |
| 12 | FMR LLC | $1.2B | 1.5M | ▼−35% Reduced · −801K sh | Q1 2026 | |
| 13 | MORGAN STANLEY | $1.0B | 1.3M | ▼−5.0% Reduced · −70K sh | Q1 2026 | |
| 14 | NORGES BANK | $1.0B | 1.3M | ▲+9.6% Added · +115K sh | Q4 2025 | |
| 15 | GOLDMAN SACHS GROUP INC | $1.0B | 1.3M | ▲+19% Added · +203K sh | Q1 2026 | |
| 16 | AQR CAPITAL MANAGEMENT LLC | $946.0M | 1.2M | ▲+24% Added · +235K sh | Q1 2026 | |
| 17 | BANK OF AMERICA CORP /DE/ | $919.1M | 1.2M | ▲+2.8% Added · +32K sh | Q1 2026 | |
| 18 | Amundi | $780.2M | 1.0M | ▲+28% Added · +218K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $727.8M | 942K | ▼−0.3% Reduced · −3K sh | Q1 2026 | |
| 20 | TWO SIGMA INVESTMENTS, LP | $627.6M | 812K | ▲+189% Added · +531K sh | Q1 2026 | |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $621.6M | 805K | ▲+3.4% Added · +27K sh | Q1 2026 | |
| 22 | Bank of New York Mellon Corp | $591.4M | 765K | ▲+0.1% Added · +1K sh | Q1 2026 | |
| 23 | Legal & General Group Plc | $565.6M | 732K | ▼−1.5% Reduced · −11K sh | Q1 2026 | |
| 24 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $559.1M | 724K | ▼−2.9% Reduced · −22K sh | Q1 2026 | |
| 25 | DEUTSCHE BANK AG\ | $483.2M | 625K | ▼−18% Reduced · −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, 1 fund opened a new position in REGN and 27 added to an existing one, while 19 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 |
|---|---|---|
| MICROSOFT CORPMSFT | 753 funds | $361.7B |
| NVIDIA CORPNVDA | 744 funds | $515.8B |
| APPLE INCAAPL | 741 funds | $402.1B |
| AMAZON.COM INCAMZN | 740 funds | $273.4B |
| ALPHABET INC-CL AGOOGL | 739 funds | $240.1B |
| META PLATFORMS INC-CLASS AMETA | 734 funds | $153.1B |
| JPMORGAN CHASE & COJPM | 720 funds | $89.6B |
| BROADCOM INCAVGO | 714 funds | $205.6B |
| ELI LILLY & COLLY | 714 funds | $105.3B |
| ALPHABET INC-CL CGOOG | 713 funds | $167.8B |
| JOHNSON & JOHNSONJNJ | 702 funds | $63.3B |
| VISA INC-CLASS A SHARESV | 699 funds | $84.3B |
Ranked by how many of REGN's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 10, 2026 | Guarini Kathryn | Director | Sell (S) | 400 | $320K |
| Aug 10, 2026 | Zoghbi Huda Y | Director | Sell (S) | 800 | $640K |
| Jul 2, 2026 | RYAN ARTHUR F | Director | Sell (S) | 200 | $130K |
| May 1, 2026 | RYAN ARTHUR F | Director | Sell (S) | 2 | $1K |
| May 1, 2026 | RYAN ARTHUR F | Director | Sell (S) | 1 | $712 |
| May 1, 2026 | RYAN ARTHUR F | Director | Sell (S) | 5 | $4K |
| May 1, 2026 | RYAN ARTHUR F | Director | Sell (S) | 2 | $1K |
| May 1, 2026 | RYAN ARTHUR F | Director | Sell (S) | 6 | $4K |
| May 1, 2026 | RYAN ARTHUR F | Director | Sell (S) | 4 | $3K |
| May 1, 2026 | RYAN ARTHUR F | Director | Sell (S) | 7 | $5K |
| May 1, 2026 | RYAN ARTHUR F | Director | Sell (S) | 14 | $10K |
| May 1, 2026 | RYAN ARTHUR F | Director | Sell (S) | 15 | $11K |
| Class | 13F holders | Value held |
|---|---|---|
| REGNthis pagecs | 1171 funds | $60.8B |
| 75886F907COM | 1 funds | $2.8M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for REGN
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/REGN/capital-change-brief"
Use Arkolith's capital_change_brief for REGN. 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 REGN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.