Selective Insurance Group, Inc.
Ownership
Ownership Structure
Who owns Selective Insurance Group, Inc. (SIGI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 93.5% of the shares are freely tradable; institutional investors hold 87.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 12.59 | 7,499,150 | +0.3 | 03/31/2026 |
| AQR Capital Management LLC | 6.61 | 3,936,658 | -3.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.81 | 3,459,250 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.50 | 2,682,461 | +0.0 | 03/31/2026 |
| FMR Inc | 4.20 | 2,501,231 | -49.3 | 03/31/2026 |
| State Street Corp | 3.91 | 2,326,280 | -1.1 | 03/31/2026 |
| American Century Companies Inc | 3.74 | 2,228,969 | +75.9 | 06/30/2026 |
| Geode Capital Management, LLC | 2.87 | 1,708,819 | +2.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.52 | 2,096,606 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.21 | 1,909,854 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Lanza Michael H | EVP and General Counsel | 16,565 | 1,436,145 $ | Jul 28, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 28, 2026 | Lanza Michael H | EVP and General Counsel | Sell | 17,100 | 94.04 | 1,608,156 |
| Jul 28, 2026 | Lanza Michael H | EVP and General Counsel | Other | 1,100 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.