Pubmatic Inc. Class APUBM
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 153 institutions reported holding Pubmatic Inc. Class A (PUBM) in their 13F filings, unchanged from Q1 2026. 19 opened new positions and 17 sold out. The largest holders were Graham Holdings Co ($44.6M), BlackRock, Inc. ($43.0M) and Vanguard Capital Management LLC ($21.8M). 7 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Pubmatic Inc. Class A
- CUSIP
- 74467Q103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 19 | $16.2M |
| Exits | 17 | $6.3M |
All 13F filers, Q1 2026 → Q2 2026: 5,038,082 shares bought and 3,399,925 shares sold, net +1,638,157 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 153 holders
| Graham Holdings Co | 4.12% | No change | 3,398,904 | $44.6M |
| BlackRock, Inc. | 0.00% | Add +7.0% | 3,279,530 | $43.0M |
| Vanguard Capital Management LLC | 0.00% | Add +3.0% | 1,661,312 | $21.8M |
| Acadian Asset Management LLC | 0.02% | Reduce -0.2% | 1,573,911 | $20.6M |
| Dimensional Fund Advisors LP | 0.00% | Add +19.7% | 1,491,121 | $19.6M |
| Renaissance Technologies | 0.03% | Reduce -7.8% | 1,421,049 | $18.6M |
| Whitefort Capital Management, LP | 3.72% | Add +61.0% | 1,110,656 | $14.6M |
| Geode Capital Management, LLC | 0.00% | Add +4.3% | 991,800 | $13.0M |
| Vanguard Portfolio Management LLC | 0.00% | Add +48.3% | 947,548 | $12.4M |
| Jacobs Levy Equity Management, Inc. | 0.04% | Reduce -7.4% | 862,996 | $11.3M |
| State Street Corp. | 0.00% | Add +7.9% | 854,147 | $11.2M |
| S Squared Technology, LLC | 3.05% | Add +10.6% | 748,099 | $9.8M |
| Simcoe Capital LLC | 5.55% | Add +42.7% | 693,903 | $9.1M |
| Highbridge Capital Management LLC | 0.56% | New | 644,593 | $8.4M |
| American Century Companies Inc. | 0.00% | Add +471.9% | 642,076 | $8.4M |
| Two Sigma Investments, LP | 0.01% | Add +19.4% | 638,102 | $8.4M |
| Royal Bank of Canada | 0.00% | Reduce -16.3% | 619,290 | $8.1M |
| Nuveen, LLC | 0.00% | Add +459.7% | 464,187 | $6.1M |
| Citadel Advisors | 0.00% | Add +178.4% | 414,880 | $5.4M |
| CenterBook Partners LP | 0.27% | Reduce -76.2% | 413,983 | $5.4M |
| Trexquant Investment LP | 0.03% | Reduce -9.4% | 382,525 | $5.0M |
| Northern Trust Corp. | 0.00% | Add +19.8% | 348,134 | $4.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.0% | 303,624 | $4.0M |
| Panagora Asset Management Inc. | 0.01% | Add +4.2% | 287,735 | $3.8M |
| AQR Capital Management | 0.00% | Add +129.2% | 286,438 | $3.8M |
| Morgan Stanley | 0.00% | Reduce -16.8% | 284,256 | $3.7M |
| Quantinno Capital Management LP | 0.00% | Add +20.7% | 249,688 | $3.3M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +4.4% | 240,677 | $3.2M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -32.1% | 240,578 | $3.2M |
| JPMorgan Chase & Co. | 0.00% | Reduce -6.5% | 224,952 | $2.9M |
| Franklin Resources Inc. | 0.00% | Add +61.6% | 223,316 | $2.9M |
| Jane Street Group, LLC | 0.00% | Reduce -5.2% | 199,131 | $2.6M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -5.2% | 195,563 | $2.6M |
| UBS Group AG | 0.00% | Add +136.7% | 186,033 | $2.4M |
| Susquehanna International Group, LLP | 0.00% | Reduce -23.7% | 182,447 | $2.4M |
| Boothbay Fund Management, LLC | 0.05% | New | 181,615 | $2.4M |
| Bridgeway Capital Management, LLC | 0.04% | No change | 175,300 | $2.3M |
| Bank of America Corp. | 0.00% | Add +82.3% | 173,956 | $2.3M |
| Pinnacle Holdings, LLC | 0.68% | Add +0.2% | 158,250 | $2.1M |
| P.A.W. Capital Corp. | 1.51% | Reduce -16.7% | 150,000 | $2.0M |
| Diversified Investment Strategies, LLC | 1.19% | No change | 140,000 | $1.8M |
| Ameriprise Financial Inc. | 0.00% | No change | 134,001 | $1.8M |
| Bank of New York Mellon Corp | 0.00% | Add +7.3% | 121,540 | $1.6M |
| Invesco Ltd. | 0.00% | Reduce -12.3% | 103,232 | $1.4M |
| Jump Financial, LLC | 0.01% | New | 100,612 | $1.3M |
| Deutsche Bank AG | 0.00% | Add +14.2% | 93,716 | $1.2M |
| Millennium Management | 0.00% | Reduce -6.5% | 86,059 | $1.1M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -28.9% | 85,805 | $1.1M |
| Victory Capital Management Inc. | 0.00% | Add +9.9% | 84,859 | $1.1M |
| Russell Investments Group, Ltd. | 0.00% | Add +26.1% | 83,628 | $1.1M |
| Point72 Asset Management | 0.00% | Add +255.8% | 79,362 | $1.0M |
| Group One Trading LLC | 0.03% | Add +13.4% | 72,405 | $950K |
| Public Employees Retirement System of Ohio | 0.00% | No change | 66,426 | $872K |
| Walleye Capital LLC | 0.00% | New | 63,342 | $831K |
| Squarepoint Ops LLC | 0.00% | Add +168.8% | 62,137 | $815K |
| Simplex Trading, LLC | 0.02% | Add +181.3% | 59,051 | $775K |
| Barclays PLC | 0.00% | Reduce -23.3% | 59,016 | $774K |
| Canada Pension Plan Investment Board | 0.00% | Reduce -1.5% | 58,500 | $768K |
| Creative Planning | 0.00% | Add +18.4% | 57,143 | $750K |
| HSBC Holdings PLC | 0.00% | Reduce -36.5% | 57,318 | $749K |
| Avestar Capital, LLC | 0.04% | No change | 55,000 | $722K |
| Voya Investment Management LLC | 0.00% | Reduce -0.5% | 53,085 | $696K |
| Inspire Investing, LLC | 0.03% | New | 51,670 | $678K |
| IMC-Chicago, LLC | 0.01% | Add +35.9% | 50,081 | $657K |
| Rhumbline Advisers | 0.00% | Reduce -0.4% | 49,564 | $650K |
| State of Wyoming | 0.06% | Add +512.0% | 45,405 | $596K |
| D. E. Shaw & Co. | 0.00% | Reduce -90.0% | 44,320 | $581K |
| Raymond James Financial Inc. | 0.00% | New | 42,900 | $563K |
| STRS Ohio | 0.00% | Add +22.2% | 38,000 | $499K |
| Fuller & Thaler Asset Management, Inc. | 0.00% | Reduce -0.8% | 36,441 | $478K |
| XTX Topco Ltd | 0.01% | Reduce -51.1% | 33,501 | $440K |
| Wells Fargo & Company | 0.00% | Reduce -45.8% | 32,904 | $432K |
| T. Rowe Price Associates Inc. | 0.00% | Add +3.6% | 32,040 | $421K |
| Los Angeles Capital Management LLC | 0.00% | Add +2.0% | 28,268 | $371K |
| Allworth Financial LP | 0.00% | Add +2.2% | 25,719 | $337K |
| MetLife Investment Management, LLC | 0.00% | No change | 24,504 | $321K |
| Mercer Global Advisors Inc. | 0.00% | Add +52.7% | 24,381 | $320K |
| Cambria Investment Management, L.P. | 0.01% | New | 22,828 | $300K |
| Cornerstone Investment Partners, LLC | 0.01% | New | 22,630 | $297K |
| Alliancebernstein L.P. | 0.00% | No change | 36,200 | $296K |
| GWN Securities Inc. | 0.05% | Reduce -10.2% | 22,119 | $290K |
| Sterling Capital Management LLC | 0.00% | Add +1556.9% | 21,457 | $282K |
| Caption Management, LLC | 0.01% | New | 20,950 | $275K |
| Citigroup Inc. | 0.00% | Add +323.4% | 20,768 | $272K |
| Meeder Asset Management Inc. | 0.01% | Reduce -2.0% | 19,416 | $255K |
| Ieq Capital, LLC | 0.00% | New | 18,913 | $248K |
| Focus Partners Wealth | 0.00% | Add +28.1% | 17,830 | $234K |
| Diversified Trust Co. | 0.00% | No change | 17,564 | $230K |
| Balyasny Asset Management L.P. | 0.00% | Reduce -53.4% | 17,416 | $228K |
| Sei Investments Co. | 0.00% | Add +7.6% | 16,977 | $223K |
| WINTON GROUP Ltd | 0.01% | Add +28.0% | 16,900 | $222K |
| GMO | 0.00% | New | 15,974 | $210K |
| Mariner, LLC | 0.00% | New | 15,109 | $198K |
| Jasper Ridge Partners, L.P. | 0.00% | No change | 15,032 | $197K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 14,545 | $197K |
| Occudo Quantitative Strategies LP | 0.01% | New | 13,371 | $175K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 12,458 | $163K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 12,430 | $163K |
| Cetera Investment Advisers | 0.00% | Reduce -1.6% | 12,059 | $158K |
| New York State Common Retirement Fund | 0.00% | No change | 11,752 | $154K |
"% of holder's portfolio" is PUBM's weight in each manager's 13F, not the share of Pubmatic Inc. Class A the manager owns.