Marcus & Millichap Inc
Ownership
Ownership Structure
Who owns Marcus & Millichap Inc (MMI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 60.9% of the shares are freely tradable; institutional investors hold 97.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.38 | 3,929,736 | +1.6 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 6.78 | 2,568,046 | +0.0 | 03/31/2026 |
| Schroder Investment Management Group | 6.03 | 2,285,406 | +145.5 | 06/30/2026 |
| Pzena Investment Management, LLC | 5.31 | 2,012,763 | +227.6 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 3.93 | 1,489,218 | +0.5 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.80 | 1,059,542 | +0.0 | 03/31/2026 |
| State Street Corp | 2.48 | 938,224 | -1.3 | 03/31/2026 |
| Tributary Capital Management, LLC | 1.96 | 740,631 | -2.9 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.78 | 1,433,262 | +0.0 | 08/31/2026 |
| Vanguard Real Estate Index Investor | 2.30 | 869,122 | +0.0 | 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 |
|---|---|---|---|---|---|
| Nadji Hessam | Chief Executive Officer | 314,018 | 9,483,344 $ | Sep 14, 2026 | direct |
| Parker John David | EVP & COO | 43,310 | 1,307,962 $ | Aug 10, 2026 | direct |
| DeGennaro Steven F. | EVP and CFO | 42,709 | 1,289,812 $ | Aug 10, 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 14, 2026 | Nadji Hessam | Chief Executive Officer | Other | 700 | 0.00 | – |
| Sep 10, 2026 | Nadji Hessam | Chief Executive Officer | Other | 15,264 | 0.00 | – |
| Sep 10, 2026 | Nadji Hessam | Chief Executive Officer | Other | 30,000 | 0.00 | – |
| Aug 14, 2026 | Nadji Hessam | Chief Executive Officer | Other | 945 | 0.00 | – |
| Aug 10, 2026 | Parker John David | EVP & COO | Other | 1,434 | 30.67 | 43,981 |
| Aug 10, 2026 | Parker John David | EVP & COO | Other | 2,808 | – | – |
| Aug 10, 2026 | DeGennaro Steven F. | EVP and CFO | Other | 761 | 30.67 | 23,340 |
| Aug 10, 2026 | DeGennaro Steven F. | EVP and CFO | Other | 1,500 | – | – |
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.