Latest Period
Q4 2025
Security Snapshot
PubMatic, Inc. - Class A Stock (PUBM) Institutional Ownership
CUSIP: 74467Q103
13F Institutional Holders and Ownership History from Q1 2019 to Q1 2026
Institutions Reporting
151
Shares (Excl. Options)
27,645,272
Price
$8.87
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- Type / Class
- Equity / Class A Stock
- Symbol
- PUBM on Nasdaq
- Shares outstanding
- 38,147,944
- Price per share
- $8.18
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 27,645,272
- Total reported value
- $245,211,628
- % of total 13F portfolios
- 0%
- Share change
- -407,436
- Value change
- -$2,890,758
- Number of holders
- 151
- Price from insider filings
- $8.18
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- PUBM - PubMatic, Inc. - Class A Stock is tracked under CUSIP 74467Q103.
- 151 institutions reported positions in Q4 2025.
- 3 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 151 to 17 between Q4 2025 and Q1 2026.
- Reported value moved from $245,211,628 to $2,829,017.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 151 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 74467Q103?
CUSIP 74467Q103 identifies PUBM - PubMatic, Inc. - Class A Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 74467Q103:
Significant Owners of PubMatic, Inc. - Class A Stock (PUBM) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Graham Holdings Co | 7% | $28,201,362 | 2,831,462 | Graham Holdings Company | 31 Mar 2025 | |||
| BlackRock, Inc. | 7.1% | $24,024,430 | 2,708,504 | BlackRock, Inc. | 31 Dec 2025 | |||
| VANGUARD GROUP INC | 6.5% | -25% | $32,483,067 | -$9,982,155 | 2,611,179 | -24% | The Vanguard Group | 30 Jun 2025 |
As of 31 Dec 2025, 151 institutional investors reported holding 27,645,272 shares of PubMatic, Inc. - Class A Stock (PUBM). This represents 72% of the company’s total 38,147,944 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of PubMatic, Inc. - Class A Stock (PUBM) together control 59% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8.2% | 3,123,167 | -7.8% | 0% | $27,702,491 |
| Graham Holdings Co | 7.4% | 2,831,462 | 0% | 2.3% | $25,115,000 |
| VANGUARD GROUP INC | 6.2% | 2,379,185 | -4.8% | 0% | $21,103,371 |
| DIMENSIONAL FUND ADVISORS LP | 3.3% | 1,271,950 | -13% | 0% | $11,282,650 |
| RENAISSANCE TECHNOLOGIES LLC | 3.2% | 1,219,333 | -10% | 0.02% | $10,815,484 |
| WELLINGTON MANAGEMENT GROUP LLP | 3.1% | 1,170,952 | -20% | 0% | $10,386,344 |
| CenterBook Partners LP | 3% | 1,147,055 | +53% | 0.5% | $10,174,378 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 2.4% | 929,249 | +9.1% | 0.03% | $8,242,439 |
| ACADIAN ASSET MANAGEMENT LLC | 2.4% | 926,371 | +35% | 0.01% | $8,212,000 |
| MILLENNIUM MANAGEMENT LLC | 2.4% | 918,127 | +320% | 0.01% | $8,143,786 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 905,941 | -5.8% | 0% | $8,037,533 |
| ROYAL BANK OF CANADA | 2.3% | 863,188 | -21% | 0% | $7,656,000 |
| STATE STREET CORP | 2.2% | 830,003 | -10% | 0% | $7,362,127 |
| D. E. Shaw & Co., Inc. | 1.4% | 546,493 | -4.5% | 0% | $4,847,393 |
| TWO SIGMA INVESTMENTS, LP | 1.2% | 474,180 | +23% | 0.01% | $4,205,977 |
| Simcoe Capital LLC | 1.1% | 408,690 | 0% | 3.4% | $3,625,080 |
| MORGAN STANLEY | 0.84% | 320,392 | +101% | 0% | $2,841,880 |
| ALGERT GLOBAL LLC | 0.82% | 314,634 | +157% | 0.04% | $2,791,000 |
| Trexquant Investment LP | 0.81% | 307,249 | +437% | 0.02% | $2,725,299 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.79% | 300,280 | +1.1% | 0% | $2,663,484 |
| S Squared Technology, LLC | 0.74% | 280,972 | +7.7% | 0.97% | $2,492,222 |
| PANAGORA ASSET MANAGEMENT INC | 0.72% | 273,312 | +5.3% | 0.01% | $2,424,277 |
| NORTHERN TRUST CORP | 0.71% | 269,533 | -21% | 0% | $2,390,757 |
| CITADEL ADVISORS LLC | 0.7% | 266,143 | -15% | 0% | $2,360,689 |
| GOLDMAN SACHS GROUP INC | 0.65% | 249,486 | -16% | 0% | $2,212,941 |
Institutional Holders of PubMatic, Inc. - Class A Stock (PUBM) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 345,889 | $2,829,017 | -$336,045 | $8.18 | 17 |
| 2025 Q4 | 27,645,272 | $245,211,628 | -$2,890,758 | $8.87 | 151 |
| 2025 Q3 | 27,616,926 | $228,672,580 | +$10,672,256 | $8.28 | 149 |
| 2025 Q2 | 25,873,699 | $321,885,289 | +$2,432,784 | $12.44 | 148 |
| 2025 Q1 | 26,049,629 | $238,071,066 | -$7,238,984 | $9.14 | 155 |
| 2024 Q4 | 26,285,953 | $386,256,244 | +$12,372,586 | $14.69 | 160 |
| 2024 Q3 | 25,384,652 | $377,488,422 | -$11,530,482 | $14.87 | 163 |
| 2024 Q2 | 25,536,541 | $518,597,091 | +$21,849,009 | $20.31 | 190 |
| 2024 Q1 | 24,086,651 | $571,329,849 | +$56,314,665 | $23.72 | 177 |
| 2023 Q4 | 21,913,831 | $357,396,303 | +$19,571,824 | $16.31 | 145 |
| 2023 Q3 | 20,741,996 | $250,955,659 | -$2,068,078 | $12.10 | 140 |
| 2023 Q2 | 20,691,193 | $378,234,050 | -$12,628,527 | $18.28 | 135 |
| 2023 Q1 | 21,882,233 | $302,345,038 | -$1,937,519 | $13.82 | 142 |
| 2022 Q4 | 22,159,452 | $283,877,249 | -$2,542,001 | $12.81 | 154 |
| 2022 Q3 | 21,928,376 | $362,581,390 | -$3,638,661 | $16.63 | 146 |
| 2022 Q2 | 22,167,063 | $352,287,078 | +$58,826,068 | $15.89 | 143 |
| 2022 Q1 | 17,665,130 | $461,641,992 | -$20,773,359 | $26.12 | 130 |
| 2021 Q4 | 17,814,819 | $606,722,300 | +$288,340,509 | $34.05 | 160 |
| 2021 Q3 | 9,414,715 | $247,947,229 | -$24,408,282 | $26.35 | 96 |
| 2021 Q2 | 8,953,351 | $350,345,837 | +$99,863,652 | $39.07 | 86 |
| 2021 Q1 | 5,484,949 | $270,678,019 | +$47,420,169 | $49.32 | 57 |
| 2020 Q4 | 4,933,511 | $137,704,000 | +$137,702,999 | $27.96 | 43 |
| 2020 Q3 | 30 | $1,000 | $33.33 | 1 | |
| 2020 Q2 | 30 | $1,000 | $33.33 | 1 | |
| 2020 Q1 | 30 | $1,000 | $33.33 | 1 | |
| 2019 Q4 | 30 | $1,000 | $33.33 | 1 | |
| 2019 Q3 | 30 | $1,000 | $33.33 | 1 | |
| 2019 Q2 | 30 | $1,000 | $33.33 | 1 | |
| 2019 Q1 | 30 | $1,000 | $33.33 | 1 |