358 tracked 13F filers disclose a position in MDGL as of the latest SEC 13F filings, a combined $11.6B 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 | BAKER BROS. ADVISORS LP | $1.1B | 2.1M | —Held | Q1 2026 | |
| 2 | JANUS HENDERSON GROUP PLC | $1.1B | 2.0M | ▲+27% Added · +434K sh | Q1 2026 | |
| 3 | RTW INVESTMENTS, LP | $1.1B | 2.0M | —Held | Q2 2026 | |
| 4 | Avoro Capital Advisors LLC | $984.4M | 1.8M | ▲+0.8% Added · +15K sh | Q2 2026 | |
| 5 | BlackRock, Inc. | $816.6M | 1.6M | ▼−5.2% Reduced · −85K sh | Q1 2026 | |
| 6 | PAULSON & CO. INC. | $719.5M | 1.3M | ▼−3.7% Reduced · −52K sh | Q2 2026 | |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | $440.3M | 841K | →First observed position No prior filed position | Q1 2026 | |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | $433.0M | 827K | →First observed position No prior filed position | Q1 2026 | |
| 9 | STATE STREET CORP | $283.0M | 527K | ▼−14% Reduced · −82K sh | Q2 2026 | |
| 10 | FMR LLC | $267.9M | 512K | ▲+16% Added · +72K sh | Q1 2026 | |
| 11 | CITADEL ADVISORS LLC | $237.6M | 454K | ▲13× Added · +418K sh | Q1 2026 | |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | $201.3M | 375K | ▼−18% Reduced · −81K sh | Q2 2026 | |
| 13 | PRICE T ROWE ASSOCIATES INC /MD/ | $171.8M | 328K | ▲+4.6% Added · +14K sh | Q1 2026 | |
| 14 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $174.0M | 324K | ▼−4.8% Reduced · −16K sh | Q2 2026 | |
| 15 | GOLDMAN SACHS GROUP INC | $145.2M | 277K | ▼−9.3% Reduced · −28K sh | Q1 2026 | |
| 16 | ARMISTICE CAPITAL, LLC | $138.5M | 265K | ▼−0.4% Reduced · −1K sh | Q1 2026 | |
| 17 | Polar Capital Holdings Plc | $131.2M | 244K | ▼−16% Reduced · −45K sh | Q2 2026 | |
| 18 | Point72 Asset Management, L.P. | $118.0M | 226K | ▲+78% Added · +99K sh | Q1 2026 | |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $113.4M | 217K | ▼−1.1% Reduced · −2K sh | Q1 2026 | |
| 20 | NORGES BANK | $114.4M | 196K | ▲+11% Added · +20K sh | Q4 2025 | |
| 21 | MORGAN STANLEY | $100.1M | 191K | ▲+27% Added · +41K sh | Q1 2026 | |
| 22 | BANK OF AMERICA CORP /DE/ | $99.2M | 190K | ▼−54% Reduced · −226K sh | Q1 2026 | |
| 23 | Pictet Asset Management Holding SA | $97.9M | 187K | ▲+2.9% Added · +5K sh | Q1 2026 | |
| 24 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $97.0M | 185K | ▲+698% Added · +162K sh | Q1 2026 | |
| 25 | Artisan Partners Limited Partnership | $96.1M | 184K | ▼−7.6% Reduced · −15K 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 MDGL and 23 added to an existing one, while 28 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 | 198 funds | $71.0B |
| AMAZON.COM INCAMZN | 196 funds | $176.2B |
| NVIDIA CORPNVDA | 195 funds | $355.9B |
| MICROSOFT CORPMSFT | 195 funds | $236.4B |
| META PLATFORMS INC-CLASS AMETA | 190 funds | $105.0B |
| ALPHABET INC-CL AGOOGL | 189 funds | $150.4B |
| BROADCOM INCAVGO | 186 funds | $142.3B |
| APPLE INCAAPL | 185 funds | $261.3B |
| MICRON TECHNOLOGY INCMU | 184 funds | $39.5B |
| LAM RESEARCH CORPLRCX | 181 funds | $34.0B |
| MASTERCARD INC - AMA | 180 funds | $46.6B |
| COSTCO WHOLESALE CORPCOST | 180 funds | $32.7B |
Ranked by how many of MDGL's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 17, 2026 | Kelley Shannon T | General Counsel | Sell (S) | 664 | $342K |
| Jul 20, 2026 | Sibold William John | President and CEO, Director | Sell (S) | 140 | $76K |
| Jul 20, 2026 | Sibold William John | President and CEO, Director | Sell (S) | 110 | $60K |
| Jul 20, 2026 | Sibold William John | President and CEO, Director | Sell (S) | 545 | $297K |
| Jul 20, 2026 | Sibold William John | President and CEO, Director | Sell (S) | 275 | $150K |
| Jul 20, 2026 | Sibold William John | President and CEO, Director | Sell (S) | 269 | $147K |
| Jul 20, 2026 | Sibold William John | President and CEO, Director | Sell (S) | 680 | $372K |
| Jul 20, 2026 | Sibold William John | President and CEO, Director | Sell (S) | 47 | $26K |
| Jul 20, 2026 | Sibold William John | President and CEO, Director | Sell (S) | 153 | $84K |
| Jul 20, 2026 | Sibold William John | President and CEO, Director | Sell (S) | 1 | $551 |
| Jul 20, 2026 | Sibold William John | President and CEO, Director | Sell (S) | 280 | $155K |
| Jun 1, 2026 | Soergel David | Chief Medical Officer | Sell (S) | 1K | $517K |
Connected entities for MDGL
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/MDGL/capital-change-brief"
Use Arkolith's capital_change_brief for MDGL. 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 MDGL. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.