Security record
PUBM
PubMatic, Inc. · Technology · Software - Application
75Tracked holders
+2Δ holders
17.46MShares held
$228.88MReported value
+4New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth +2.7% ·
share flow +7.6% ·
net new positions +2.7%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 75 | +2 | 17.46M | $228.88M | +4 | −2 |
| Q1 2026 | 75 | +5 | 16.23M | $132.84M | +8 | −3 |
| Q4 2025 | 70 | +2 | 18.22M | $161.61M | +2 | — |
| Q3 2025 | 15 | -1 | 13.28M | $109.96M | — | −1 |
| Q2 2025 | 13 | 0 | 11.64M | $144.76M | +1 | −1 |
| Q1 2025 | 10 | 0 | 4.81M | $43.92M | +1 | −1 |
| Q4 2024 | 10 | -1 | 4.49M | $65.98M | — | −1 |
| Q3 2024 | 10 | 0 | 3.29M | $48.87M | +2 | −2 |
| Q2 2024 | 10 | — | 3.01M | $61.05M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.28M | +7.0% | $43.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.28M | +7.0% | $43.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 3.28M | +7.0% | $43.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 3.28M | +7.0% | $43.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 3.28M | +7.0% | $43.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.28M | +7.0% | $43.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.28M | +7.0% | $43.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.28M | +7.0% | $43.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.28M | +7.0% | $43.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.28M | +7.0% | $43.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.28M | +7.0% | $43.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | Vanguard Capital Management Llc | 1.66M | +3.0% | $21.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | Dimensional Fund Advisors Lp | 1.49M | +19.7% | $19.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Dimensional Fund Advisors Lp | 1.49M | +19.7% | $19.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Dimensional Fund Advisors Lp | 1.49M | +19.7% | $19.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | Dimensional Fund Advisors Lp | 1.49M | +19.7% | $19.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | Renaissance Technologies ✦ | 1.42M | -7.8% | $18.64M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 18 | Geode Capital Management ✦ (passive) | 991.80K | +4.3% | $13.02M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 19 | Geode Capital Management ✦ (passive) | 991.80K | +4.3% | $13.02M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 20 | State Street Global Advisors ✦ (passive) | 854.15K | +7.9% | $11.21M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 21 | American Century Companies Inc | 642.08K | +471.9% | $8.42M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | Two Sigma Investments ✦ | 638.10K | +19.4% | $8.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | Royal Bank Of Canada | 619.29K | -16.3% | $8.12M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | Royal Bank Of Canada | 619.29K | -16.3% | $8.12M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | Royal Bank Of Canada | 619.29K | -16.3% | $8.12M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | Royal Bank Of Canada | 619.29K | -16.3% | $8.12M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 27 | Royal Bank Of Canada | 619.29K | -16.3% | $8.12M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | Royal Bank Of Canada | 619.29K | -16.3% | $8.12M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | Nuveen, LLC | 464.19K | +459.7% | $6.09M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Nuveen, LLC | 464.19K | +459.7% | $6.09M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Nuveen, LLC | 464.19K | +459.7% | $6.09M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Citadel Advisors ✦ | 414.88K | +178.4% | $5.44M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 33 | Citadel Advisors ✦ | 414.88K | +178.4% | $5.44M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 34 | Northern Trust Corp | 348.13K | +19.8% | $4.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Northern Trust Corp | 348.13K | +19.8% | $4.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | Northern Trust Corp | 348.13K | +19.8% | $4.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Charles Schwab Investment… | 303.62K | +3.0% | $3.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 286.44K | +129.2% | $3.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 286.44K | +129.2% | $3.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 286.44K | +129.2% | $3.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | AQR Capital Management ✦ | 286.44K | +129.2% | $3.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | AQR Capital Management ✦ | 286.44K | +129.2% | $3.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | AQR Capital Management ✦ | 286.44K | +129.2% | $3.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 284.26K | -16.8% | $3.73M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 284.26K | -16.8% | $3.73M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 284.26K | -16.8% | $3.73M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 284.26K | -16.8% | $3.73M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 284.26K | -16.8% | $3.73M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 49 | Morgan Stanley ✦ | 284.26K | -16.8% | $3.73M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 50 | Morgan Stanley ✦ | 284.26K | -16.8% | $3.73M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 284.26K | -16.8% | $3.73M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 52 | Quantinno Capital Management LP | 249.69K | +20.7% | $3.28M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Goldman Sachs Group ✦ | 240.58K | -32.1% | $3.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 54 | Goldman Sachs Group ✦ | 240.58K | -32.1% | $3.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 55 | JPMorgan Chase ✦ | 224.95K | -6.5% | $2.94M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 56 | JPMorgan Chase ✦ | 224.95K | -6.5% | $2.94M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 57 | JPMorgan Chase ✦ | 224.95K | -6.5% | $2.94M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 58 | Franklin Resources Inc | 223.32K | +61.6% | $2.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | Franklin Resources Inc | 223.32K | +61.6% | $2.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | Franklin Resources Inc | 223.32K | +61.6% | $2.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Jane Street Group, Llc | 199.13K | -5.2% | $2.61M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 62 | Jane Street Group, Llc | 199.13K | -5.2% | $2.61M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 63 | Arrowstreet Capital ✦ | 195.56K | -5.2% | $2.57M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 64 | UBS Group AG | 186.03K | +136.7% | $2.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | Susquehanna International Group, Llp | 182.45K | -23.7% | $2.39M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Bank Of America Corp /De/ | 173.96K | +82.3% | $2.28M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Ameriprise Financial Inc | 134.00K | 0.0% | $1.76M | 0.0% | Held | 3 | SEC ↗ |
| 68 | Bank of New York Mellon Corp | 121.54K | +7.3% | $1.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Bank of New York Mellon Corp | 121.54K | +7.3% | $1.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | Bank of New York Mellon Corp | 121.54K | +7.3% | $1.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Bank of New York Mellon Corp | 121.54K | +7.3% | $1.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | Invesco Ltd. | 103.23K | -12.3% | $1.35M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 73 | Invesco Ltd. | 103.23K | -12.3% | $1.35M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | Invesco Ltd. | 103.23K | -12.3% | $1.35M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | Deutsche Bank Ag\ | 93.72K | +14.2% | $1.23M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Millennium Management ✦ | 86.06K | -6.5% | $1.13M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 77 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 85.81K | -28.9% | $1.13M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 78 | Victory Capital Management Inc | 84.86K | +9.9% | $1.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Russell Investments Group, Ltd. | 83.63K | +26.1% | $1.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Russell Investments Group, Ltd. | 83.63K | +26.1% | $1.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Russell Investments Group, Ltd. | 83.63K | +26.1% | $1.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Russell Investments Group, Ltd. | 83.63K | +26.1% | $1.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 83 | Russell Investments Group, Ltd. | 83.63K | +26.1% | $1.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Russell Investments Group, Ltd. | 83.63K | +26.1% | $1.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Russell Investments Group, Ltd. | 83.63K | +26.1% | $1.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Russell Investments Group, Ltd. | 83.63K | +26.1% | $1.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Point72 Asset Management ✦ | 79.36K | +255.8% | $1.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 88 | Group One Trading Llc | 72.41K | +13.4% | $949,954 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | Squarepoint Ops LLC | 62.14K | +168.8% | $815,237 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Simplex Trading, Llc | 59.05K | +181.3% | $774,749 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Barclays Plc | 59.02K | -23.3% | $774,289 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 92 | Barclays Plc | 59.02K | -23.3% | $774,289 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 93 | Canada Pension Plan Investment Board | 58.50K | -1.5% | $767,520 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 94 | Creative Planning | 57.14K | +18.4% | $749,716 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 95 | Creative Planning | 57.14K | +18.4% | $749,716 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Hsbc Holdings Plc | 57.32K | -36.5% | $748,573 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Voya Investment Management Llc | 53.09K | -0.5% | $696,475 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 98 | IMC-Chicago, LLC | 50.08K | +35.9% | $657,063 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | Rhumbline Advisers | 49.56K | -0.4% | $650,271 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | D. E. Shaw & Co. ✦ | 44.32K | -90.0% | $581,478 | 0.0% | ▼ Trim | 8 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Tudor Investment Corp Et Al | $2.87M | was 0.0% |
| Man Group plc | $963,031 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 153 holders, 28.60M shares, $192.36M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 20
Goel Rajeev K.
Officer, Director, 10% owner · 49.98K sh · $824,260
Aug 13
Pantelick Steven
Officer · 19.72K sh · $341,205
Aug 12
Gimbel Lisa
Officer · 500 sh · $8,750
Aug 12
Pantelick Steven
Officer · 22.20K sh · $383,064
Aug 10
Woods Andrew
Officer · 38.33K sh · $688,402
May 18
Gimbel Lisa
Officer · 1.40K sh · $23,787
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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