MGIC Investment Corporation (MTG) Ownership
MTG ownership summary
as of October 18, 2026- Institutions
- 101.8% of shares outstanding
- Insiders
- 1.76% of shares outstanding
- Shares outstanding
- 205.1M
- Float
- 191.1M shares available to trade
- Short interest
- 7.28% 10.3M shares short
- Days to cover
- 4.47 short interest up 28.6% vs prior month
- Institutions 101.82%
- Insiders 1.76%
MTG top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 10.69% | 21.9M | $610.8M | −1.2M (−5.2%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 8.50% | 17.4M | $485.5M | −521,314 (−2.9%) | June 30, 2026 |
| 3 | Dimensional Fund Advisors, Inc. | 6.73% | 13.8M | $384.4M | +149,277 (+1.1%) | June 30, 2026 |
| 4 | AQR Capital Management LLC | 5.49% | 11.3M | $313.8M | +279,622 (+2.5%) | June 30, 2026 |
| 5 | JPMorgan Chase & Co | 5.40% | 11.1M | $308.6M | −111,941 (−1.0%) | June 30, 2026 |
| 6 | LSV Asset Management | 4.75% | 9.7M | $271.5M | −150,969 (−1.5%) | June 30, 2026 |
| 7 | Vanguard Capital Management, LLC | 4.65% | 9.5M | $265.9M | −134,108 (−1.4%) | June 30, 2026 |
| 8 | State Street Corp | 3.70% | 7.6M | $211.4M | −236,500 (−3.0%) | June 30, 2026 |
| 9 | American Century Companies Inc | 3.51% | 7.2M | $200.6M | +1.3M (+21.6%) | June 30, 2026 |
| 10 | Allianz Asset Management AG | 2.41% | 4.9M | $137.9M | +384,476 (+8.4%) | June 30, 2026 |
| 11 | First Trust Advisors L.P. | 2.21% | 4.5M | $126.5M | +255,185 (+6.0%) | June 30, 2026 |
| 12 | Geode Capital Management, LLC | 2.14% | 4.4M | $122.3M | −126,214 (−2.8%) | June 30, 2026 |
| 13 | Northern Trust Corp | 2.02% | 4.1M | $115.4M | −69,280 (−1.6%) | June 30, 2026 |
| 14 | Caisse De Depot Et Placement Du Quebec | 1.70% | 3.5M | $96.9M | −278,190 (−7.4%) | June 30, 2026 |
| 15 | The Goldman Sachs Group Inc | 1.54% | 3.2M | $88.1M | +525,513 (+19.9%) | June 30, 2026 |
| 16 | NORGES BANK | 1.43% | 2.9M | $81.5M | −367,277 (−11.2%) | June 30, 2026 |
| 17 | Franklin Templeton Inc | 1.28% | 2.6M | $73.2M | −768,601 (−22.6%) | June 30, 2026 |
| 18 | NewEdge Investment Solutions | 1.23% | 2.5M | $70.5M | +78,669 (+3.2%) | June 30, 2026 |
| 19 | Charles Schwab Investment Management Inc | 1.12% | 2.3M | $63.8M | −56,708 (−2.4%) | June 30, 2026 |
| 20 | Amvescap Plc. | 1.04% | 2.1M | $59.5M | −485,282 (−18.5%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 7 holders added 3.0M shares and 13 cut 4.5M.
MTG top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Mid-Cap ETF | 3.56% | 7.3M | $203.5M | −2,604 (−0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.28% | 6.7M | $187.2M | −6,647 (−0.1%) | August 31, 2026 |
| 3 | Avantis US Small Cap Value ETF | 2.56% | 5.3M | $146.4M | +13,056 (+0.2%) | September 30, 2026 |
| 4 | Vanguard Equity-Income Inv | 2.32% | 4.8M | $132.7M | +63,601 (+1.4%) | June 30, 2026 |
| 5 | Vanguard Small Cap Index | 2.25% | 4.6M | $128.5M | −252,500 (−5.2%) | September 30, 2026 |
| 6 | First Trust SMID Cp Rising Div Achv ETF | 1.70% | 3.5M | $97.2M | — | September 30, 2026 |
| 7 | DFA US Small Cap Value I | 1.67% | 3.4M | $95.3M | — | August 31, 2026 |
| 8 | Vanguard MStar Small Cap Value Index | 1.47% | 3.0M | $83.7M | −85,271 (−2.8%) | September 30, 2026 |
| 9 | JPMorgan Mid Cap Value L | 1.33% | 2.7M | $75.7M | +36,693 (+1.4%) | August 31, 2026 |
| 10 | JPMorgan Value Advantage L | 1.04% | 2.1M | $59.4M | −28,121 (−1.3%) | August 31, 2026 |
| 11 | DFA US Targeted Value I | 0.90% | 1.8M | $51.5M | — | August 31, 2026 |
| 12 | Vanguard Strategic Equity Inv | 0.83% | 1.7M | $47.4M | −309,789 (−15.4%) | June 30, 2026 |
| 13 | Dimensional US Targeted Value ETF | 0.77% | 1.6M | $44.2M | — | September 30, 2026 |
| 14 | State Street® SPDR® S&P MIDCAP 400® ETF | 0.74% | 1.5M | $42.2M | −29,978 (−1.9%) | September 30, 2026 |
| 15 | Invesco S&P MidCap Quality ETF | 0.66% | 1.4M | $37.7M | +1,410 (+0.1%) | September 30, 2026 |
| 16 | Dimensional US Small Cap Value ETF | 0.60% | 1.2M | $34.1M | +320 (+0.0%) | September 24, 2026 |
| 17 | State Street SPDR Port S&P 400 Md CpETF | 0.53% | 1.1M | $30.2M | −1,528 (−0.1%) | September 30, 2026 |
| 18 | Schwab US Small-Cap ETF™ | 0.53% | 1.1M | $30.1M | +729 (+0.1%) | September 30, 2026 |
| 19 | JPMorgan Mid Cap Equity I | 0.52% | 1.1M | $30.0M | +25,364 (+2.4%) | August 31, 2026 |
| 20 | DFA US Small Cap I | 0.52% | 1.1M | $29.9M | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MTG insider transactions
latest 14| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-02 | Timothy J Mattke | Sell | $26.49 | 139,202 | $3.7M |
| 2026-04-01 | Salvatore A Miosi | Sell | $26.25 | 10,931 | $286,939 |
| 2026-02-06 | Paula C Maggio | Sell | $27.51 | 20,000 | $550,200 |
| 2026-02-02 | Salvatore A Miosi | Sell | $27.27 | 30,000 | $818,100 |
| 2026-01-13 | Timothy J Mattke | Sell | $26.51 | 139,203 | $3.7M |
| 2025-11-03 | Salvatore A Miosi | Sell | $27.52 | 30,000 | $825,600 |
| 2025-10-31 | Paula C Maggio | Sell | $27.44 | 20,000 | $548,800 |
| 2025-10-07 | Timothy J Mattke | Sell | $27.09 | 139,203 | $3.8M |
| 2025-10-01 | Salvatore A Miosi | Sell | $28.15 | 30,000 | $844,500 |
| 2025-08-07 | Timothy J Mattke | Sell | $26.54 | 139,203 | $3.7M |
| 2025-08-01 | Salvatore A Miosi | Sell | $26.22 | 30,000 | $786,600 |
| 2025-06-17 | Lisa C. McClain | Sell | $26.41 | — | — |
| 2025-06-11 | Lisa C. McClain | Buy | $26.52 | — | — |
| 2025-05-30 | Paula C Maggio | Sell | $26.49 | 20,000 | $529,800 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MTG shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MTG
Institutional investors own 101.8% of MGIC Investment's shares and insiders 1.76%. The largest holder is BlackRock Inc with 10.69% of the shares (21.9M), as of June 30, 2026. Among the top 20 institutions, 7 added shares and 13 reduced their stake in the latest filings. Short interest is 7.28% of the float, or 4.47 days of average trading volume. The share count fell 48.6% since 2014.
Related: MTG analyst forecast, MTG key metrics, MTG dividend history. See the MTG stock overview for the latest quote and news.
MTG ownership FAQ
Who owns the most MGIC Investment stock?
The largest shareholders of MGIC Investment are BlackRock Inc (10.69%), Vanguard Portfolio Management, LLC (8.50%), Dimensional Fund Advisors, Inc. (6.73%), AQR Capital Management LLC (5.49%), JPMorgan Chase & Co (5.40%).
What percentage of MGIC Investment is owned by institutions?
Institutions hold 101.8% of MGIC Investment's shares outstanding; insiders hold 1.76%.
Which funds own MGIC Investment?
The largest fund holders of MGIC Investment are iShares Core S&P Mid-Cap ETF (3.56%), Vanguard MStar Total Stk Mkt Idx Invest (3.28%), Avantis US Small Cap Value ETF (2.56%), Vanguard Equity-Income Inv (2.32%), Vanguard Small Cap Index (2.25%).
What is MGIC Investment's short interest?
10.3M shares of MGIC Investment were sold short, 7.28% of the float; at the average daily volume it would take 4.47 days to cover.
Are insiders buying or selling MGIC Investment?
Of the latest 14 reported insider transactions in MGIC Investment (since May 30, 2025), 1 were purchases and 13 were sales.
How many shares of MGIC Investment are outstanding?
MGIC Investment has 205.1M shares outstanding, of which 191.1M are in the public float.