PubMatic, Inc.
PUBM- Exchange
- Nasdaq
- Industry
- Services-Computer Programming, Data Processing, Etc.
- SEC CIK
- 0001422930
In the last 90 days, PubMatic, Inc. insiders filed 0 open-market purchases and 21 sales; 153 institutions reported holding it in 13F filings for Q2 2026, worth $399.4M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in PubMatic, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 153
- +2 vs. Q1 2026
- Shares held
- 30.5M
- +1.64M (+5.7%) vs. Q1 2026
- Total value
- $399.4M
- +$163.6M (+69.4%) vs. Q1 2026
- New holders
- 19
- 58 more added
- Sold out
- 17
- 46 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PUBM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 153 | $399.4M |
| Q1 2026 | 153 | $236.0M |
| Q4 2025 | 152 | $246.0M |
| Q3 2025 | 150 | $231.6M |
| Q2 2025 | 150 | $334.0M |
| Q1 2025 | 157 | $238.5M |
| Q4 2024 | 161 | $386.3M |
| Q3 2024 | 167 | $378.9M |
| Q2 2024 | 193 | $519.4M |
| Q1 2024 | 179 | $591.3M |
| Q4 2023 | 148 | $361.3M |
| Q3 2023 | 143 | $251.1M |
| Q2 2023 | 141 | $379.5M |
| Q1 2023 | 149 | $304.2M |
| Q4 2022 | 162 | $283.9M |
| Q3 2022 | 157 | $362.9M |
| Q2 2022 | 153 | $354.4M |
| Q1 2022 | 138 | $467.1M |
| Q4 2021 | 165 | $618.9M |
| Q3 2021 | 100 | $248.9M |
| Q2 2021 | 87 | $350.3M |
| Q1 2021 | 61 | $305.7M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding PubMatic, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Graham Holdings Co | 3,398,904 | $44.6M | 4.12% | 00.0% | Unchanged |
| BlackRock, Inc. | 3,279,530 | $43.0M | 0.00% | +214,494+7.0% | Added |
| Vanguard Capital Management LLC | 1,661,312 | $21.8M | 0.00% | +47,543+2.9% | Added |
| Acadian Asset Management LLC | 1,573,911 | $20.6M | 0.02% | −2,629−0.2% | Reduced |
| Dimensional Fund Advisors LP | 1,491,121 | $19.6M | 0.00% | +245,762+19.7% | Added |
| Renaissance Technologies LLC | 1,421,049 | $18.6M | 0.03% | −119,484−7.8% | Reduced |
| Whitefort Capital Management, LP | 1,110,656 | $14.6M | 3.59% | +420,656+61.0% | Added |
| Geode Capital Management, LLC | 991,800 | $13.0M | 0.00% | +41,195+4.3% | Added |
| Vanguard Portfolio Management LLC | 947,548 | $12.4M | 0.00% | +308,763+48.3% | Added |
| Jacobs Levy Equity Management, Inc | 862,996 | $11.3M | 0.04% | −69,217−7.4% | Reduced |
| State Street Corp | 854,147 | $11.2M | 0.00% | +62,728+7.9% | Added |
| S Squared Technology, LLC | 748,099 | $9.82M | 3.05% | +71,700+10.6% | Added |
| Simcoe Capital LLC | 693,903 | $9.10M | 5.55% | +207,651+42.7% | Added |
| Highbridge Capital Management LLC | 644,593 | $8.42M | 0.29% | +644,593 | New |
| American Century Companies Inc | 642,076 | $8.42M | 0.00% | +529,804+471.9% | Added |
| Two Sigma Investments, LP | 638,102 | $8.37M | 0.01% | +103,653+19.4% | Added |
| Royal Bank of Canada | 619,290 | $8.13M | 0.00% | −120,991−16.3% | Reduced |
| Nuveen, LLC | 464,187 | $6.09M | 0.00% | +381,254+459.7% | Added |
| Citadel Advisors LLC | 414,880 | $5.44M | 0.00% | +265,837+178.4% | Added |
| CenterBook Partners LP | 413,983 | $5.43M | 0.27% | −1,328,117−76.2% | Reduced |
| Trexquant Investment LP | 382,525 | $5.02M | 0.03% | −39,898−9.4% | Reduced |
| Northern Trust Corp | 348,134 | $4.57M | 0.00% | +57,573+19.8% | Added |
| Charles Schwab Investment Management Inc | 303,624 | $3.98M | 0.00% | +8,821+3.0% | Added |
| Panagora Asset Management Inc | 287,735 | $3.78M | 0.01% | +11,479+4.2% | Added |
| AQR Capital Management LLC | 286,438 | $3.76M | 0.00% | +161,484+129.2% | Added |
| Morgan Stanley | 284,256 | $3.73M | 0.00% | −57,414−16.8% | Reduced |
| Quantinno Capital Management LP | 249,688 | $3.28M | 0.00% | +42,873+20.7% | Added |
| Vanguard Fiduciary Trust Co | 240,677 | $3.16M | 0.00% | +10,048+4.4% | Added |
| Goldman Sachs Group Inc | 240,578 | $3.16M | 0.00% | −113,622−32.1% | Reduced |
| JPMorgan Chase & Co | 224,952 | $2.94M | 0.00% | −15,515−6.5% | Reduced |
| Franklin Resources Inc | 223,316 | $2.93M | 0.00% | +85,136+61.6% | Added |
| Jane Street Group, LLC | 199,131 | $2.61M | 0.00% | −10,869−5.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 195,563 | $2.57M | 0.00% | −10,724−5.2% | Reduced |
| UBS Group AG | 186,033 | $2.44M | 0.00% | +107,453+136.7% | Added |
| Susquehanna International Group, LLP | 182,447 | $2.39M | 0.00% | −56,537−23.7% | Reduced |
| Boothbay Fund Management, LLC | 181,615 | $2.38M | 0.04% | +181,615 | New |
| Bridgeway Capital Management, LLC | 175,300 | $2.30M | 0.04% | 00.0% | Unchanged |
| Bank of America Corp | 173,956 | $2.28M | 0.00% | +78,526+82.3% | Added |
| Pinnacle Holdings, LLC | 158,250 | $2.08M | 0.64% | +366+0.2% | Added |
| P.A.W. Capital Corp | 150,000 | $1.97M | 1.51% | −30,000−16.7% | Reduced |
| Diversified Investment Strategies, LLC | 140,000 | $1.84M | 1.19% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 134,001 | $1.76M | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 121,540 | $1.59M | 0.00% | +8,231+7.3% | Added |
| Invesco Ltd. | 103,232 | $1.35M | 0.00% | −14,534−12.3% | Reduced |
| Jump Financial, LLC | 100,612 | $1.32M | 0.01% | +100,612 | New |
| Deutsche Bank AG | 93,716 | $1.23M | 0.00% | +11,654+14.2% | Added |
| Millennium Management LLC | 86,059 | $1.13M | 0.00% | −5,964−6.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 85,805 | $1.13M | 0.00% | −34,947−28.9% | Reduced |
| Victory Capital Management Inc | 84,859 | $1.11M | 0.00% | +7,627+9.9% | Added |
| Russell Investments Group, Ltd. | 83,628 | $1.10M | 0.00% | +17,337+26.2% | Added |
| Point72 Asset Management, L.P. | 79,362 | $1.04M | 0.00% | +57,059+255.8% | Added |
| Group One Trading, L.P. | 72,405 | $950.0K | 0.03% | +8,568+13.4% | Added |
| Public Employees Retirement System of Ohio | 66,426 | $871.5K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 63,342 | $831.0K | 0.00% | +63,342 | New |
| Squarepoint Ops LLC | 62,137 | $815.2K | 0.00% | +39,023+168.8% | Added |
| Simplex Trading, LLC | 59,051 | $774.7K | 0.02% | +38,062+181.3% | Added |
| Barclays PLC | 59,016 | $774.3K | 0.00% | −17,890−23.3% | Reduced |
| Canada Pension Plan Investment Board | 58,500 | $767.5K | 0.00% | −900−1.5% | Reduced |
| Creative Planning | 57,143 | $749.7K | 0.00% | +8,894+18.4% | Added |
| HSBC Holdings PLC | 57,318 | $748.6K | 0.00% | −33,001−36.5% | Reduced |
| Avestar Capital, LLC | 55,000 | $721.6K | 0.04% | 00.0% | Unchanged |
| Voya Investment Management LLC | 53,085 | $696.5K | 0.00% | −247−0.5% | Reduced |
| CWM Advisors, LLC | 51,670 | $677.9K | 0.03% | +51,670 | New |
| IMC-Chicago, LLC | 50,081 | $657.1K | 0.01% | +13,239+35.9% | Added |
| Rhumbline Advisers | 49,564 | $650.3K | 0.00% | −189−0.4% | Reduced |
| State of Wyoming | 45,405 | $595.7K | 0.06% | +37,986+512.0% | Added |
| D. E. Shaw & Co., Inc. | 44,320 | $581.5K | 0.00% | −400,794−90.0% | Reduced |
| Raymond James Financial Inc | 42,900 | $562.8K | 0.00% | +42,900 | New |
| STRS Ohio | 38,000 | $498.6K | 0.00% | +6,900+22.2% | Added |
| Fuller & Thaler Asset Management, Inc. | 36,441 | $478.1K | 0.00% | −295−0.8% | Reduced |
| XTX Topco Ltd | 33,501 | $439.5K | 0.01% | −34,957−51.1% | Reduced |
| Wells Fargo & Company | 32,904 | $431.7K | 0.00% | −27,843−45.8% | Reduced |
| Price T Rowe Associates Inc | 32,040 | $421.0K | 0.00% | +1,114+3.6% | Added |
| Los Angeles Capital Management LLC | 28,268 | $370.9K | 0.00% | +560+2.0% | Added |
| Allworth Financial LP | 25,719 | $337.4K | 0.00% | +551+2.2% | Added |
| MetLife Investment Management | 24,504 | $321.5K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 24,381 | $319.9K | 0.00% | +8,418+52.7% | Added |
| Cambria Investment Management, L.P. | 22,828 | $299.5K | 0.01% | +22,828 | New |
| Cornerstone Investment Partners, LLC | 22,630 | $296.9K | 0.01% | +22,630 | New |
| Alliancebernstein L.P. | 36,200 | $296.1K | 0.00% | 00.0% | Unchanged |
| GWN Securities Inc. | 22,119 | $290.2K | 0.05% | −2,523−10.2% | Reduced |
| Sterling Capital Management LLC | 21,457 | $281.5K | 0.00% | +20,162+1,556.9% | Added |
| Caption Management, LLC | 20,950 | $274.9K | 0.01% | +20,950 | New |
| Citigroup Inc | 20,768 | $272.5K | 0.00% | +15,863+323.4% | Added |
| Meeder Asset Management Inc | 19,416 | $254.7K | 0.01% | −406−2.0% | Reduced |
| Ieq Capital, LLC | 18,913 | $248.1K | 0.00% | +18,913 | New |
| Colony Group, LLC | 17,830 | $233.9K | 0.00% | +3,911+28.1% | Added |
| Diversified Trust Co | 17,564 | $230.4K | 0.00% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 17,416 | $228.5K | 0.00% | −19,989−53.4% | Reduced |
| SEI Investments Co | 16,977 | $222.7K | 0.00% | +1,204+7.6% | Added |
| Winton Group Ltd | 16,900 | $221.7K | 0.01% | +3,700+28.0% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 15,974 | $209.6K | 0.00% | +15,974 | New |
| Mariner, LLC | 15,109 | $198.2K | 0.00% | +15,109 | New |
| Jasper Ridge Partners, L.P. | 15,032 | $197.2K | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 14,545 | $197.1K | 0.00% | +14,545 | New |
| Occudo Quantitative Strategies LP | 13,371 | $175.4K | 0.01% | +13,371 | New |
| Police & Firemen's Retirement System of New Jersey | 12,458 | $163.4K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 12,430 | $163.1K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 12,059 | $158.2K | 0.00% | −200−1.6% | Reduced |
| New York State Common Retirement Fund | 11,752 | $154.2K | 0.00% | 00.0% | Unchanged |