PubMatic
Independent platform that lets publishers auction display, video, mobile, and CTV ad inventory to buyers.
$16.82
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At close$16.80(+2.72%)
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Breakdown13F · Form 4
Institutions 65.99%30.82M sharesInsiders 2.55%1.19M sharesOther 31.46%14.69M shares
Shares outstanding 46.70M · Float 46.34M · 99.2% free float
Institutions13F, as of Jun 30, 2026
166 holders · 30.82M shares · 22 new positions · 80 increased · 46 reduced · 21 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Graham Holdings Co | 3.40M | 7.28% | 0 | Aug 14, 2026 |
| BlackRock, Inc. | 3.28M | 7.02% | +214.5K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 1.66M | 3.56% | +47.5K | Aug 13, 2026 |
| Acadian Asset Management LLC | 1.57M | 3.37% | −2.6K | Aug 13, 2026 |
| Dimensional Fund Advisors LP | 1.49M | 3.19% | +245.8K | Aug 11, 2026 |
| Renaissance Technologies LLC | 1.42M | 3.04% | −119.5K | Aug 13, 2026 |
| Whitefort Capital Management, LP | 1.11M | 2.38% | +420.7K | Aug 14, 2026 |
| Geode Capital Management, LLC | 991.8K | 2.12% | +41.2K | Aug 12, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Graham Holdings Company | 8.90% | 3.40M | 13G | May 15, 2026 ↗ |
| BlackRock, Inc. | 7.10% | 2.71M | 13G | Jan 21, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Rajeev K. Goel | director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | 413.1K | 0.88% | Aug 21, 2026 |
| Steven Pantelick | officer: CHIEF FINANCIAL OFFICER | 307.8K | 0.66% | Aug 14, 2026 |
| Mukul Kumar | officer: PRESIDENT, ENGINEERING | 248.5K | 0.53% | Aug 18, 2026 |
| Paulina Klimenko | officer: CHIEF GROWTH OFFICER | 71.0K | 0.15% | Jul 6, 2026 |
| Andrew Woods | officer: GENERAL COUNSEL & SECRETARY | 39.8K | 0.09% | Aug 10, 2026 |
| Amar K. Goel | director, 10 percent owner, officer: CHAIRMAN, CHIEF INNOVATION OFF | 35.6K | 0.08% | Jul 6, 2026 |
| Shelagh Glaser | director | 21.5K | 0.05% | Jun 2, 2026 |
| Lisa Gimbel | officer: CHIEF ACCOUNTING OFFICER | 18.3K | 0.04% | Aug 18, 2026 |
| Yakov (Jacob) Shulman | director | 18.0K | 0.04% | Jun 2, 2026 |
| Nikhil Ramesh Mehta | director | 18.0K | 0.04% | Apr 14, 2026 |
7 ten-percent owners hold 7.48M shares by Form 4, outside the officers-and-directors figure above · 10 people have not refiled in the last 18 months (9.13M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 20, 2026 | Rajeev K. Goeldirector, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | Sale | 49,980 | $16.49 | 16,083 |
| May 18, 2026 | Lisa Gimbelofficer: CHIEF ACCOUNTING OFFICER | Sale · 2 lots | 4,259 | $12.23 | 13,677 |
| Aug 17, 2026 | Mukul Kumarofficer: PRESIDENT, ENGINEERING | Sale | 8,000 | $17.05 | 112,945 |
| Aug 12, 2026 | Lisa Gimbelofficer: CHIEF ACCOUNTING OFFICER | Sale | 500 | $17.50 | 14,561 |
| Aug 13, 2026 | Steven Pantelickofficer: CHIEF FINANCIAL OFFICER | Sale | 19,716 | $17.31 | 10,353 |
| Aug 12, 2026 | Steven Pantelickofficer: CHIEF FINANCIAL OFFICER | Sale | 22,203 | $17.25 | 30,069 |
| Aug 10, 2026 | Andrew Woodsofficer: GENERAL COUNSEL & SECRETARY | Sale | 38,331 | $17.96 | 39,761 |
| Aug 7, 2026 | Rajeev K. Goeldirector, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | Sale | 211,302 | $17.74 | 31,692 |
| Jul 23, 2026 | Rajeev K. Goeldirector, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | Sale | 49,979 | $12.35 | 31,692 |
| Jul 16, 2026 | Andrew Woodsofficer: GENERAL COUNSEL & SECRETARY | Sale | 3,239 | $14.01 | 78,092 |
CongressHouse and Senate disclosures
Not reported.