Pubmatic Inc
Ownership
Ownership Structure
Who owns Pubmatic Inc (PUBM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 89.9% of the shares are freely tradable; institutional investors hold 76.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Graham Holdings Co | 7.46 | 3,398,904 | +0.0 | 06/30/2026 |
| BlackRock Inc | 6.73 | 3,065,036 | -1.9 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.54 | 1,613,769 | +0.0 | 03/31/2026 |
| Acadian Asset Management LLC | 3.46 | 1,576,540 | +3,627.8 | 03/31/2026 |
| Renaissance Technologies Corp | 3.38 | 1,540,533 | +26.3 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 3.27 | 1,491,121 | +19.7 | 06/30/2026 |
| Whitefort Capital Management, LP. | 2.44 | 1,110,656 | +61.0 | 06/30/2026 |
| Geode Capital Management, LLC | 2.09 | 950,605 | +4.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.65 | 1,207,349 | +0.0 | 07/31/2026 |
| iShares Russell 2000 ETF | 2.24 | 1,020,051 | -0.6 | 08/31/2026 |
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 |
|---|---|---|---|---|---|
| Kumar Mukul | PRESIDENT, ENGINEERING | 112,945 | 1,953,949 $ | Aug 17, 2026 | direct |
| Woods Andrew | GENERAL COUNSEL & SECRETARY | 39,761 | 687,865 $ | Aug 10, 2026 | direct |
| Goel Amar K. | CHAIRMAN, CHIEF INNOVATION OFF | 35,580 | 615,534 $ | Sep 3, 2026 | direct |
| Gimbel Lisa | CHIEF ACCOUNTING OFFICER | 16,427 | 284,187 $ | Sep 1, 2026 | direct |
| Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | 16,083 | 278,236 $ | Aug 20, 2026 | direct |
| Pantelick Steven | CHIEF FINANCIAL OFFICER | 10,353 | 179,107 $ | Aug 13, 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 3, 2026 | Goel Amar K. | CHAIRMAN, CHIEF INNOVATION OFF | Sell | 6,250 | 17.04 | 106,527 |
| Sep 3, 2026 | Goel Amar K. | CHAIRMAN, CHIEF INNOVATION OFF | Other | 6,250 | – | – |
| Sep 1, 2026 | Gimbel Lisa | CHIEF ACCOUNTING OFFICER | Sell | 500 | 16.43 | 8,215 |
| Aug 20, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Sell | 49,980 | 16.49 | 824,260 |
| Aug 20, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Other | 34,371 | – | – |
| Aug 17, 2026 | Kumar Mukul | PRESIDENT, ENGINEERING | Sell | 8,000 | 17.05 | 136,402 |
| Aug 17, 2026 | Kumar Mukul | PRESIDENT, ENGINEERING | Other | 8,000 | 0.00 | – |
| Aug 15, 2026 | Gimbel Lisa | CHIEF ACCOUNTING OFFICER | Other | 794 | 0.00 | – |
| Aug 15, 2026 | Gimbel Lisa | CHIEF ACCOUNTING OFFICER | Other | 801 | 0.00 | – |
| Aug 15, 2026 | Gimbel Lisa | CHIEF ACCOUNTING OFFICER | Other | 772 | 0.00 | – |
| Aug 15, 2026 | Gimbel Lisa | CHIEF ACCOUNTING OFFICER | Other | 1,395 | 0.00 | – |
| Aug 13, 2026 | Pantelick Steven | CHIEF FINANCIAL OFFICER | Sell | 19,716 | 17.31 | 341,205 |
| Aug 12, 2026 | Gimbel Lisa | CHIEF ACCOUNTING OFFICER | Sell | 500 | 17.50 | 8,750 |
| Aug 12, 2026 | Pantelick Steven | CHIEF FINANCIAL OFFICER | Sell | 22,203 | 17.25 | 383,064 |
| Aug 10, 2026 | Woods Andrew | GENERAL COUNSEL & SECRETARY | Sell | 38,331 | 17.96 | 688,402 |
| Aug 7, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Sell | 211,302 | 17.74 | 3,749,427 |
| Aug 7, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Other | 211,302 | – | – |
| Jul 23, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Sell | 49,979 | 12.35 | 617,006 |
| Jul 23, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Other | 12,500 | – | – |
| Jul 23, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Other | 21,870 | – | – |
| Jul 16, 2026 | Woods Andrew | GENERAL COUNSEL & SECRETARY | Sell | 3,239 | 14.01 | 45,375 |
| Jul 16, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Sell | 8,962 | 13.94 | 124,955 |
| Jul 16, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Other | 8,962 | – | – |
| Jul 16, 2026 | Kumar Mukul | PRESIDENT, ENGINEERING | Sell | 8,000 | 13.67 | 109,345 |
| Jul 16, 2026 | Kumar Mukul | PRESIDENT, ENGINEERING | Other | 8,000 | 0.00 | – |
| Jul 15, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Sell | 4,060 | 13.90 | 56,448 |
| Jul 15, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Other | 4,060 | – | – |
| May 18, 2026 | Gimbel Lisa | CHIEF ACCOUNTING OFFICER | Sell | 1,396 | 17.04 | 23,787 |
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 17, 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.