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, Q3 2025
Institutional positions in PubMatic, Inc. as of Sep 30, 2025. 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
- 150
- +2 vs. Q2 2025
- Shares held
- 27.6M
- +1.79M (+6.9%) vs. Q2 2025
- Total value
- $228.7M
- −$92.8M (−28.9%) vs. Q2 2025
- New holders
- 28
- 48 more added
- Sold out
- 26
- 48 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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 | $245.2M |
| Q3 2025 | 150 | $228.7M |
| Q2 2025 | 149 | $321.6M |
| Q1 2025 | 157 | $238.4M |
| Q4 2024 | 161 | $386.3M |
| Q3 2024 | 167 | $377.6M |
| Q2 2024 | 193 | $518.8M |
| Q1 2024 | 179 | $576.7M |
| Q4 2023 | 148 | $357.5M |
| Q3 2023 | 143 | $251.1M |
| Q2 2023 | 141 | $379.2M |
| Q1 2023 | 149 | $303.4M |
| Q4 2022 | 162 | $283.9M |
| Q3 2022 | 157 | $362.5M |
| Q2 2022 | 153 | $354.4M |
| Q1 2022 | 138 | $462.1M |
| Q4 2021 | 165 | $608.3M |
| Q3 2021 | 100 | $248.9M |
| Q2 2021 | 87 | $350.3M |
| Q1 2021 | 61 | $305.1M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding PubMatic, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,387,978 | $28.1M | 0.00% | −61,963−1.8% | Reduced |
| Graham Holdings Co | 2,831,462 | $23.4M | 2.35% | 00.0% | Unchanged |
| Vanguard Group Inc | 2,498,972 | $20.7M | 0.00% | −112,207−4.3% | Reduced |
| Wellington Management Group LLP | 1,468,503 | $12.2M | 0.00% | +135,070+10.1% | Added |
| Dimensional Fund Advisors LP | 1,466,388 | $12.1M | 0.00% | −15,233−1.0% | Reduced |
| Renaissance Technologies LLC | 1,355,600 | $11.2M | 0.01% | +135,700+11.1% | Added |
| Royal Bank of Canada | 1,094,080 | $9.06M | 0.00% | +123,733+12.8% | Added |
| Geode Capital Management, LLC | 961,490 | $7.96M | 0.00% | −24,458−2.5% | Reduced |
| State Street Corp | 927,234 | $7.68M | 0.00% | +11,510+1.3% | Added |
| Jacobs Levy Equity Management, Inc | 851,683 | $7.05M | 0.03% | −26,101−3.0% | Reduced |
| CenterBook Partners LP | 748,460 | $6.20M | 0.31% | +527,650+239.0% | Added |
| Acadian Asset Management LLC | 687,914 | $5.69M | 0.01% | +59,775+9.5% | Added |
| D. E. Shaw & Co., Inc. | 572,475 | $4.74M | 0.00% | +216,094+60.6% | Added |
| UBS Group AG | 422,630 | $3.50M | 0.00% | +303,479+254.7% | Added |
| Two Sigma Investments, LP | 384,905 | $3.19M | 0.00% | +228,878+146.7% | Added |
| Nuveen, LLC | 380,321 | $3.15M | 0.00% | −21,135−5.3% | Reduced |
| Acuitas Investments, LLC | 355,651 | $2.94M | 1.89% | +209,159+142.8% | Added |
| JPMorgan Chase & Co | 348,185 | $2.88M | 0.00% | −36,278−9.4% | Reduced |
| Northern Trust Corp | 341,861 | $2.83M | 0.00% | −1700.0% | Reduced |
| Citadel Advisors LLC | 313,128 | $2.59M | 0.00% | −184,444−37.1% | Reduced |
| Charles Schwab Investment Management Inc | 296,891 | $2.46M | 0.00% | −42,432−12.5% | Reduced |
| Goldman Sachs Group Inc | 296,503 | $2.46M | 0.00% | −30,638−9.4% | Reduced |
| Avestar Capital, LLC | 280,000 | $2.32M | 0.17% | −25,000−8.2% | Reduced |
| Roubaix Capital, LLC | 271,335 | $2.25M | 1.05% | +271,335 | New |
| S Squared Technology, LLC | 260,972 | $2.16M | 0.82% | +260,972 | New |
| Panagora Asset Management Inc | 259,459 | $2.15M | 0.01% | +1,931+0.7% | Added |
| Millennium Management LLC | 218,578 | $1.81M | 0.00% | +199,857+1,067.6% | Added |
| Manatuck Hill Partners, LLC | 200,000 | $1.66M | 0.56% | +200,000 | New |
| Susquehanna International Group, LLP | 196,595 | $1.63M | 0.00% | −9,539−4.6% | Reduced |
| Two Sigma Advisers, LP | 173,400 | $1.44M | 0.00% | +145,700+526.0% | Added |
| Morgan Stanley | 159,621 | $1.32M | 0.00% | +18,549+13.1% | Added |
| Deutsche Bank AG | 146,742 | $1.22M | 0.00% | +3,663+2.6% | Added |
| Pinnacle Holdings, LLC | 138,822 | $1.15M | 0.40% | +9,997+7.8% | Added |
| Ameriprise Financial Inc | 138,005 | $1.14M | 0.00% | −29,493−17.6% | Reduced |
| Bank of New York Mellon Corp | 135,916 | $1.13M | 0.00% | +3,114+2.3% | Added |
| Walleye Capital LLC | 128,417 | $1.06M | 0.01% | +40,433+46.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 126,761 | $1.05M | 0.00% | −14,494−10.3% | Reduced |
| Barclays PLC | 124,466 | $1.03M | 0.00% | +2,353+1.9% | Added |
| Algert Global LLC | 122,574 | $1.01M | 0.02% | +13,509+12.4% | Added |
| P.A.W. Capital Corp | 120,000 | $993.6K | 1.80% | +120,000 | New |
| American Century Companies Inc | 116,455 | $964.2K | 0.00% | −21,195−15.4% | Reduced |
| Leibman Financial Services, Inc. | 104,824 | $867.9K | 0.66% | +141+0.1% | Added |
| Invesco Ltd. | 87,928 | $728.0K | 0.00% | +5,934+7.2% | Added |
| Diversified Investment Strategies, LLC | 85,000 | $703.8K | 0.46% | +5,000+6.3% | Added |
| Wells Fargo & Company | 83,921 | $694.9K | 0.00% | +14,709+21.3% | Added |
| Bank of America Corp | 81,273 | $672.9K | 0.00% | −22,777−21.9% | Reduced |
| Franklin Resources Inc | 80,285 | $664.8K | 0.00% | +18,852+30.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 77,044 | $637.9K | 0.00% | +768+1.0% | Added |
| Victory Capital Management Inc | 73,825 | $611.3K | 0.00% | −31,161−29.7% | Reduced |
| Swiss National Bank | 73,200 | $606.1K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 70,567 | $584.3K | 0.01% | +27,235+62.9% | Added |
| Jane Street Group, LLC | 68,923 | $570.7K | 0.00% | −103,947−60.1% | Reduced |
| Rhumbline Advisers | 62,282 | $515.7K | 0.00% | −3,558−5.4% | Reduced |
| Voya Investment Management LLC | 59,066 | $489.1K | 0.00% | +47,037+391.0% | Added |
| HSBC Holdings PLC | 57,556 | $478.3K | 0.00% | +10,919+23.4% | Added |
| Quest Partners LLC | 57,528 | $476.3K | 0.03% | +46,482+420.8% | Added |
| Trexquant Investment LP | 57,213 | $473.7K | 0.00% | −201,520−77.9% | Reduced |
| UBS Asset Management Americas Inc | 54,426 | $450.6K | 0.00% | −65,321−54.5% | Reduced |
| Public Employees Retirement System of Ohio | 54,088 | $447.8K | 0.00% | +20,388+60.5% | Added |
| Legal & General Group Plc | 46,318 | $383.5K | 0.00% | −1,950−4.0% | Reduced |
| Counterpoint Mutual Funds LLC | 43,429 | $359.6K | 0.03% | +43,429 | New |
| Russell Investments Group, Ltd. | 42,189 | $349.3K | 0.00% | −618−1.4% | Reduced |
| Balyasny Asset Management LLC | 40,896 | $338.6K | 0.00% | +40,896 | New |
| Brevan Howard Capital Management LP | 40,577 | $336.0K | 0.00% | +40,577 | New |
| Cardinal Point Capital Management, ULC | 39,500 | $327.1K | 0.02% | +39,500 | New |
| California State Teachers Retirement System | 36,779 | $304.5K | 0.00% | +20.0% | Added |
| Alliancebernstein L.P. | 36,200 | $299.7K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 35,312 | $293.0K | 0.00% | +1,229+3.6% | Added |
| Numerai GP LLC | 34,719 | $287.5K | 0.04% | +34,719 | New |
| Gsa Capital Partners LLP | 32,116 | $266.0K | 0.02% | −18,810−36.9% | Reduced |
| STRS Ohio | 31,100 | $257.5K | 0.00% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 30,356 | $251.3K | 0.00% | +30,356 | New |
| Wolverine Trading, LLC | 27,327 | $231.5K | 0.00% | +5,031+22.6% | Added |
| Fuller & Thaler Asset Management, Inc. | 27,835 | $230.5K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 24,504 | $202.9K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 22,198 | $183.7K | 0.00% | 00.0% | Unchanged |
| FourThought Financial Partners, LLC | 22,085 | $182.9K | 0.02% | +22,085 | New |
| Prelude Capital Management, LLC | 21,268 | $176.1K | 0.01% | +21,268 | New |
| Intech Investment Management LLC | 21,167 | $175.3K | 0.00% | −14,407−40.5% | Reduced |
| Group One Trading, L.P. | 20,716 | $171.5K | 0.01% | +20,716 | New |
| SG Americas Securities, LLC | 19,434 | $161.0K | 0.00% | +19,434 | New |
| Sherbrooke Park Advisers LLC | 19,301 | $159.8K | 0.07% | +19,301 | New |
| Antipodes Partners Ltd | 19,065 | $157.9K | 0.00% | +19,065 | New |
| Cetera Investment Advisers | 18,777 | $155.5K | 0.00% | +2,059+12.3% | Added |
| Quantinno Capital Management LP | 18,402 | $152.4K | 0.00% | −585−3.1% | Reduced |
| Aquatic Capital Management LLC | 15,831 | $131.1K | 0.00% | +15,831 | New |
| Diametric Capital, LP | 15,789 | $130.7K | 0.05% | −4,710−23.0% | Reduced |
| Creative Planning | 15,151 | $125.5K | 0.00% | −6,460−29.9% | Reduced |
| Jasper Ridge Partners, L.P. | 15,032 | $124.5K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 14,704 | $121.7K | 0.00% | +1,699+13.1% | Added |
| Manufacturers Life Insurance Company, The | 14,303 | $118.4K | 0.00% | −1,222−7.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 12,458 | $103.2K | 0.00% | +2,535+25.5% | Added |
| State Board of Administration of Florida Retirement System | 12,430 | $102.9K | 0.00% | 00.0% | Unchanged |
| GWN Securities Inc. | 12,045 | $99.8K | 0.02% | −1,207−9.1% | Reduced |
| Verition Fund Management LLC | 12,023 | $99.5K | 0.00% | +300+2.6% | Added |
| New York State Common Retirement Fund | 11,752 | $97.3K | 0.00% | 00.0% | Unchanged |
| Corton Capital Inc. | 11,362 | $94.1K | 0.23% | −5,522−32.7% | Reduced |
| Arizona State Retirement System | 11,305 | $93.6K | 0.00% | +125+1.1% | Added |
| BNP Paribas Arbitrage, SA | 8,875 | $73.5K | 0.00% | +4,856+120.8% | Added |
| KLP Kapitalforvaltning AS | 7,200 | $59.6K | 0.00% | 00.0% | Unchanged |