PubMatic (PUBM)
Independent platform that lets publishers auction display, video, mobile, and CTV ad inventory to buyers.
$17.60
vs last close−0.17 (−0.93%)
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13F · 13D/G · Form 4
| Institutions | 67.65% | 30.81M shares | |
|---|---|---|---|
| 167 holders · as of Jun 30, 2026 | |||
| Insiders | 25.98% | 11.84M shares | |
| 10 holders · as of Sep 18, 2026 | |||
| Other | 6.37% | 2.90M shares | |
| remainder | |||
45.55M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This company has 2 share classes; every stake here is a share of the whole company.
13F, as of Jun 30, 2026
167 holders · 30.81M shares · 22 new positions · 79 increased · 47 reduced · 20 closed
| Holder | Shares | % of company | Chg q/q | Filed |
|---|---|---|---|---|
| Graham Holdings Co | 3.40M | 7.46% | 0 | Aug 14, 2026 |
| BlackRock, Inc. | 3.28M | 7.20% | +214.5K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 1.66M | 3.65% | +47.5K | Aug 13, 2026 |
| Acadian Asset Management LLC | 1.57M | 3.46% | −2.6K | Aug 13, 2026 |
| Dimensional Fund Advisors LP | 1.49M | 3.27% | +245.8K | Aug 11, 2026 |
| Renaissance Technologies LLC | 1.42M | 3.12% | −119.5K | Aug 13, 2026 |
| Whitefort Capital Management, LP | 1.11M | 2.44% | +420.7K | Aug 14, 2026 |
| Geode Capital Management, LLC | 991.8K | 2.18% | +41.2K | Aug 12, 2026 |
13D/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 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 16, 2026 | Mukul Kumarofficer: PRESIDENT, ENGINEERING | Sale | 8,000 | $16.78 | 112,945 |
| Sep 3, 2026 | Amar K. Goeldirector, 10 percent owner, officer: CHAIRMAN, CHIEF INNOVATION OFF | Sale | 6,250 | $17.04 | 35,580 |
| Sep 1, 2026 | Lisa Gimbelofficer: CHIEF ACCOUNTING OFFICER | Sale | 500 | $16.43 | 16,427 |
| 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 |
House and Senate disclosures
Not reported.