Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MTG held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 23.1M | $607.5M | +0.4% | 10.942% | 0.01% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 18.0M | $471.3M | β | 8.489% | 0.02% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 13.7M | $358.4M | -1.3% | 6.456% | 0.07% |
| 4 | AQR CAPITAL MANAGEMENT LLC | 11.0M | $288.4M | -5.4% | 5.196% | 0.13% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 9.7M | $254.1M | β | 4.578% | 0.01% |
| 6 | STATE STREET CORP | 7.8M | $205.5M | -1.7% | 3.702% | 0.01% |
| 7 | AMERICAN CENTURY COMPANIES INC | 5.9M | $155.4M | +30.3% | 2.800% | 0.08% |
| 8 | Allianz Asset Management GmbH | 4.6M | $119.8M | -8.9% | 2.159% | 0.13% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 4.5M | $118.6M | -15.9% | 2.136% | 0.01% |
| 10 | FIRST TRUST ADVISORS LP | 4.3M | $112.5M | -7.0% | 2.027% | 0.08% |
| 11 | NORTHERN TRUST CORP | 4.2M | $110.6M | +0.4% | 1.992% | 0.01% |
| 12 | CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | 3.8M | $98.6M | +3.8% | 1.776% | 0.16% |
| 13 | FRANKLIN RESOURCES INC | 3.4M | $89.1M | +41.4% | 1.605% | 0.02% |
| 14 | Clearbridge Investments, LLC | 3.0M | $78.2M | -25.7% | 1.409% | 0.07% |
| 15 | GOLDMAN SACHS GROUP INC | 2.6M | $69.3M | +3.2% | 1.248% | 0.01% |
| 16 | Invesco Ltd. | 2.6M | $68.8M | +5.2% | 1.240% | 0.01% |
| 17 | MORGAN STANLEY | 2.6M | $67.8M | +19.4% | 1.221% | 0.00% |
| 18 | NewEdge Wealth, LLC | 2.5M | $64.4M | +12.3% | 1.160% | 0.83% |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.3M | $61.6M | +0.1% | 1.109% | 0.01% |
| 20 | Bank of New York Mellon Corp | 1.9M | $50.9M | -4.1% | 0.916% | 0.01% |
| 21 | ASSETMARK, INC | 1.9M | $50.6M | -5.5% | 0.911% | 0.10% |
| 22 | Quantinno Capital Management LP | 1.5M | $39.4M | -16.8% | 0.710% | 0.07% |
| 23 | Robeco Institutional Asset Management B.V. | 1.4M | $37.7M | +12.4% | 0.680% | 0.05% |
| 24 | BANK OF AMERICA CORP /DE/ | 1.4M | $37.2M | +15.4% | 0.669% | 0.00% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 1.4M | $35.6M | β | 0.640% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MTG β a direct measure of their conviction.
Filings activity in MTG during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new MTG position in Q1 2026
Institutions that fully closed their MTG position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 498 | 4.2% | 88.05% | 20.89 pp | $4.81B | 19% |
| Q4 2025 | 520 | +5.9% | 108.94% | +4.46 pp | $5.95B | +4.3% |
| Q3 2025 | 491 | +6.3% | 104.48% | 3.75 pp | $5.70B | 3.5% |
| Q2 2025 | 462 | +6.2% | 108.23% | +14.72 pp | $5.91B | +16% |
| Q1 2025 | 435 | +7.1% | 93.51% | 3.05 pp | $5.10B | 3.2% |
| Q4 2024 | 406 | +1.0% | 96.56% | 5.64 pp | $5.27B | 5.5% |
| Q3 2024 | 402 | +5.0% | 102.20% | +13.11 pp | $5.58B | +15% |
| Q2 2024 | 383 | β | 89.09% | β | $4.86B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MTG stock.
Based on Q1 2026 13F filings, institutional ownership of MGIC Investment Corporation stands at 88.0%, held across 498 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of MTG, with approximately 23,142,361 shares worth $0.61B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of MTG.
Our composite Smart Money Score for MTG is 21 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
71 institutions opened new positions in MTG during Q1 2026, while 93 fully exited. 107 added to existing positions and 317 trimmed.
MTG institutional ownership fell by 20.89 percentage points quarter-over-quarter, with a net change of -22 holders.
The top 10 institutions account for 56.0% of all reported 13F value in MTG, and the top 25 account for 76.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
MGIC Investment Corporation (MTG) Institutional Ownership