Stagwell Inc
Ownership
Ownership Structure
Who owns Stagwell Inc (STGW)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 41.2% of the shares are freely tradable; institutional investors hold 44.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Hotchkis & Wiley Capital Management LLC | 9.43 | 23,058,057 | +4.5 | 03/31/2026 |
| Madison Avenue Partners, LP | 3.28 | 8,014,322 | +0.0 | 03/31/2026 |
| BlackRock Inc | 3.20 | 7,822,706 | -2.5 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 2.52 | 6,170,065 | +22.5 | 06/30/2026 |
| ADW Capital Management, LLC | 2.05 | 5,001,000 | +0.0 | 06/30/2026 |
| The Goldman Sachs Group Inc | 1.79 | 4,380,967 | +0.1 | 03/31/2026 |
| Vanguard Capital Management, LLC | 1.71 | 4,190,239 | +0.0 | 03/31/2026 |
| Boston Partners Global Investors, Inc | 1.41 | 3,458,341 | -3.5 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Hotchkis & Wiley Small Cap Value I | 2.26 | 5,533,917 | -0.3 | 07/31/2026 |
| American Beacon Small Cp Val R5 | 1.95 | 4,768,148 | -4.1 | 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 |
|---|---|---|---|---|---|
| Penn Mark Jeffery | Chief Executive Officer | 23,034,990 | 186,583,419 $ | Aug 9, 2026 | direct |
| Lanuto Frank P | See Remarks | 491,977 | 3,985,014 $ | Jul 31, 2026 | direct |
| Kaplan Beth J | Director | 15,459 | 125,218 $ | Aug 11, 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 |
|---|---|---|---|---|---|---|
| Aug 11, 2026 | Kaplan Beth J | Director | Other | 15,459 | 0.00 | – |
| Aug 9, 2026 | Penn Mark Jeffery | Chief Executive Officer | Other | 75,000 | 9.17 | 687,750 |
| Aug 9, 2026 | Penn Mark Jeffery | Chief Executive Officer | Other | 75,000 | 6.79 | 509,250 |
| Aug 9, 2026 | Penn Mark Jeffery | Chief Executive Officer | Other | 500,000 | 9.17 | 4,585,000 |
| Aug 9, 2026 | Penn Mark Jeffery | Chief Executive Officer | Other | 500,000 | 8.27 | 4,135,000 |
| Jul 31, 2026 | Lanuto Frank P | See Remarks | Sell | 62,000 | 8.46 | 524,520 |
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.