Among active 13F managers last quarter, 26 added and 22 reduced; the largest holder to move was AQR Capital Management LLC (−5.4%). Over the last 180 days, 4 insiders sold and none bought, a net -$13.3M in open-market trades.
The legs disagree, or only one of them leans.
445 tracked 13F filers disclose a position in MTG as of the latest SEC 13F filings, a combined $5.1B 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 21.9M | $618.5M | ▼−5.2% Reduced · −1.2M sh | Q2 2026 | |
| 2 | Vanguard Portfolio Management LLC | 17.4M | $491.6M | ▼−2.9% Reduced · −521K sh | Q2 2026 | |
| 3 | Dimensional Fund Advisors LP | 13.7M | $358.4M | ▼−1.3% Reduced · −184K sh | Q1 2026 | |
| 4 | JPMorgan Chase & Co | 11.2M | $292.0M | ▼−0.3% Reduced · −30K sh | Q1 2026 | |
| 5 | AQR Capital Management LLC | 11.0M | $288.4M | ▼−5.4% Reduced · −628K sh | Q1 2026 | |
| 6 | Vanguard Capital Management LLC | 9.5M | $269.2M | ▼−1.4% Reduced · −134K sh | Q2 2026 | |
| 7 | State Street Corp | 7.6M | $214.1M | ▼−3.0% Reduced · −237K sh | Q2 2026 | |
| 8 | American Century Companies Inc | 5.9M | $155.4M | ▲+30% Added · +1.4M sh | Q1 2026 | |
| 9 | Allianz Asset Management GmbH | 4.6M | $119.8M | ▼−8.9% Reduced · −445K sh | Q1 2026 | |
| 10 | Geode Capital Management, LLC | 4.4M | $123.9M | ▼−2.8% Reduced · −126K sh | Q2 2026 | |
| 11 | First Trust Advisors LP | 4.3M | $112.5M | ▼−7.0% Reduced · −322K sh | Q1 2026 | |
| 12 | Northern Trust Corp | 4.2M | $110.6M | ▲+0.3% Added · +15K sh | Q1 2026 | |
| 13 | Caisse De Depot Et Placement Du Quebec | 3.8M | $98.6M | ▲+3.8% Added · +137K sh | Q1 2026 | |
| 14 | Franklin Templeton Inc | 3.4M | $89.1M | ▲+41% Added · +995K sh | Q1 2026 | |
| 15 | Norges Bank | 3.3M | $96.2M | ▼−4.3% Reduced · −149K sh | Q4 2025 | |
| 16 | Clearbridge Investments, LLC | 3.0M | $78.2M | ▼−26% Reduced · −1.0M sh | Q1 2026 | |
| 17 | Goldman Sachs Group Inc | 2.6M | $69.3M | ▲+3.2% Added · +82K sh | Q1 2026 | |
| 18 | Morgan Stanley | 2.6M | $67.8M | ▲+19% Added · +420K sh | Q1 2026 | |
| 19 | NewEdge Wealth, LLC | 2.5M | $71.4M | ▲+3.2% Added · +79K sh | Q2 2026 | |
| 20 | Charles Schwab Investment Management Inc | 2.3M | $61.6M | ▲+0.1% Added · +4K sh | Q1 2026 | |
| 21 | Bank of New York Mellon Corp | 1.9M | $50.9M | ▼−4.1% Reduced · −83K sh | Q1 2026 | |
| 22 | AssetMark, Inc | 1.9M | $53.2M | ▼−2.1% Reduced · −40K sh | Q2 2026 | |
| 23 | Quantinno Capital Management LP | 1.5M | $39.4M | ▼−17% Reduced · −303K sh | Q1 2026 | |
| 24 | Robeco Institutional Asset Management B.V. | 1.4M | $37.7M | ▲+12% Added · +159K sh | Q1 2026 | |
| 25 | Bank Of America Corp | 1.4M | $37.2M | ▲+15% Added · +189K 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, 26 funds added to an existing position in MTG, while 22 reduced. 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 | Their position there |
|---|---|---|
| Microsoft CorpMSFT | 262 funds | $237.2B |
| Nvidia CorpNVDA | 261 funds | $386.5B |
| Amazon.com IncAMZN | 260 funds | $183.7B |
| Meta Platforms Inc-Class AMETA | 255 funds | $101.9B |
| Alphabet Inc-CL AGOOGL | 254 funds | $161.1B |
| Apple IncAAPL | 251 funds | $271.5B |
| JPMorgan Chase & CoJPM | 251 funds | $57.1B |
| Lam Research CorpLRCX | 249 funds | $48.7B |
| Broadcom IncAVGO | 248 funds | $153.2B |
| Eli Lilly & CoLLY | 247 funds | $76.8B |
| Visa Inc-Class A SharesV | 247 funds | $57.5B |
| Tesla IncTSLA | 246 funds | $69.1B |
Ranked by how many of MTG's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MTG.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 1, 2026 | Miosi Salvatore A | President & COO | Sell (S) | 30K | $922K |
| Aug 7, 2026 | Maggio Paula C | EVP and General Counsel | Sell (S) | 20K | $606K |
| Aug 5, 2026 | Mattke Timothy J. | Chief Executive Officer, Director | Sell (S) | 137K | $4.2M |
| Aug 3, 2026 | Miosi Salvatore A | President & COO | Sell (S) | 30K | $891K |
| Jul 1, 2026 | Miosi Salvatore A | President & COO | Sell (S) | 30K | $847K |
| Jun 25, 2026 | Colson Nathaniel H | Officer EVP, CFO & CRO | Sell (S) | 20K | $542K |
| Jun 8, 2026 | Miosi Salvatore A | President & COO | Sell (S) | 30K | $761K |
| May 29, 2026 | Maggio Paula C | EVP and General Counsel | Sell (S) | 21K | $535K |
| Apr 2, 2026 | Mattke Timothy J. | Chief Executive Officer, Director | Sell (S) | 139K | $3.7M |
| Apr 1, 2026 | Miosi Salvatore A | President & COO | Sell (S) | 11K | $287K |
| Mar 2, 2026 | Miosi Salvatore A | President & COO | Sell (S) | 30K | $811K |
| Feb 6, 2026 | Maggio Paula C | EVP and General Counsel | Sell (S) | 20K | $550K |
The cross-source read for MTG was unavailable for this render. The API and MCP tool answer it live.
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for MTG
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/MTG/capital-change-brief"
Use Arkolith's capital_change_brief for MTG. 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 MTG. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.