Compass Inc
Ownership
Ownership Structure
Who owns Compass Inc (COMP)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.0% of the shares are freely tradable; institutional investors hold 89.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FMR Inc | 14.09 | 108,165,933 | +0.6 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 8.43 | 64,702,896 | +7.8 | 06/30/2026 |
| BlackRock Inc | 7.22 | 55,411,412 | +9.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.22 | 32,402,495 | +4.9 | 06/30/2026 |
| SB INVESTMENT ADVISERS (UK) LTD | 2.80 | 21,504,702 | -2.3 | 06/30/2026 |
| Capital Research & Mgmt Co - Division 3 | 2.78 | 21,368,816 | +7.1 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Real Estate Index Investor | 3.41 | 26,171,263 | +0.7 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.11 | 23,838,535 | +0.3 | 09/30/2026 |
| Strategic Advisers Fidelity US TtlStk | 2.84 | 21,799,445 | +1.3 | 08/31/2026 |
| iShares Russell 2000 ETF | 2.47 | 18,972,294 | -0.9 | 09/30/2026 |
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 |
|---|---|---|---|---|---|
| Reffkin Robert L. | Chairman and CEO | 7,757,748 | 72,922,831 $ | Aug 3, 2026 | indirect |
| Wahlers Scott R. | CFO | 341,581 | 3,210,861 $ | Sep 15, 2026 | direct |
| Sordello Steven J | Director | 249,776 | 2,347,894 $ | Aug 3, 2026 | direct |
| Glass Ethan Charles | Chief Legal Officer | 202,163 | 1,900,332 $ | Sep 15, 2026 | direct |
| Gustavson Timothy B. | Chief Accounting Officer | 29,580 | 278,052 $ | Sep 15, 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 |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Gustavson Timothy B. | Chief Accounting Officer | Other | 1,176 | 10.65 | 12,524 |
| Sep 15, 2026 | Gustavson Timothy B. | Chief Accounting Officer | Other | 2,299 | 0.00 | – |
| Sep 15, 2026 | Glass Ethan Charles | Chief Legal Officer | Other | 50,970 | 10.65 | 542,831 |
| Sep 15, 2026 | Glass Ethan Charles | Chief Legal Officer | Other | 101,734 | 0.00 | – |
| Sep 15, 2026 | Wahlers Scott R. | CFO | Other | 24,297 | 10.65 | 258,763 |
| Sep 15, 2026 | Wahlers Scott R. | CFO | Other | 47,466 | 0.00 | – |
| Aug 3, 2026 | Sordello Steven J | Director | Other | 2,419 | 0.00 | – |
| Aug 3, 2026 | Reffkin Robert L. | Chairman and CEO | Sell | 23,456 | 11.70 | 274,433 |
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: November 2, 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.