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 | $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, 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 |
|---|---|---|---|---|---|
| Public Employees Retirement System of Ohio | 66,426 | $871.5K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 72,405 | $950.0K | 0.03% | +8,568+13.4% | Added |
| Point72 Asset Management, L.P. | 79,362 | $1.04M | 0.00% | +57,059+255.8% | Added |
| Russell Investments Group, Ltd. | 83,628 | $1.10M | 0.00% | +17,337+26.2% | Added |
| Victory Capital Management Inc | 84,859 | $1.11M | 0.00% | +7,627+9.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 85,805 | $1.13M | 0.00% | −34,947−28.9% | Reduced |
| Millennium Management LLC | 86,059 | $1.13M | 0.00% | −5,964−6.5% | Reduced |
| Deutsche Bank AG | 93,716 | $1.23M | 0.00% | +11,654+14.2% | Added |
| Jump Financial, LLC | 100,612 | $1.32M | 0.01% | +100,612 | New |
| Invesco Ltd. | 103,232 | $1.35M | 0.00% | −14,534−12.3% | Reduced |
| Bank of New York Mellon Corp | 121,540 | $1.59M | 0.00% | +8,231+7.3% | Added |
| Ameriprise Financial Inc | 134,001 | $1.76M | 0.00% | 00.0% | Unchanged |
| Diversified Investment Strategies, LLC | 140,000 | $1.84M | 1.19% | 00.0% | Unchanged |
| P.A.W. Capital Corp | 150,000 | $1.97M | 1.51% | −30,000−16.7% | Reduced |
| Pinnacle Holdings, LLC | 158,250 | $2.08M | 0.64% | +366+0.2% | Added |
| Bank of America Corp | 173,956 | $2.28M | 0.00% | +78,526+82.3% | Added |
| Bridgeway Capital Management, LLC | 175,300 | $2.30M | 0.04% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 181,615 | $2.38M | 0.05% | +181,615 | New |
| Susquehanna International Group, LLP | 182,447 | $2.39M | 0.00% | −56,537−23.7% | Reduced |
| UBS Group AG | 186,033 | $2.44M | 0.00% | +107,453+136.7% | Added |
| Arrowstreet Capital, Limited Partnership | 195,563 | $2.57M | 0.00% | −10,724−5.2% | Reduced |
| Jane Street Group, LLC | 199,131 | $2.61M | 0.00% | −10,869−5.2% | Reduced |
| Franklin Resources Inc | 223,316 | $2.93M | 0.00% | +85,136+61.6% | Added |
| JPMorgan Chase & Co | 224,952 | $2.94M | 0.00% | −15,515−6.5% | Reduced |
| Goldman Sachs Group Inc | 240,578 | $3.16M | 0.00% | −113,622−32.1% | Reduced |
| Vanguard Fiduciary Trust Co | 240,677 | $3.16M | 0.00% | +10,048+4.4% | Added |
| Quantinno Capital Management LP | 249,688 | $3.28M | 0.00% | +42,873+20.7% | Added |
| Morgan Stanley | 284,256 | $3.73M | 0.00% | −57,414−16.8% | Reduced |
| AQR Capital Management LLC | 286,438 | $3.76M | 0.00% | +161,484+129.2% | Added |
| Panagora Asset Management Inc | 287,735 | $3.78M | 0.01% | +11,479+4.2% | Added |
| Charles Schwab Investment Management Inc | 303,624 | $3.98M | 0.00% | +8,821+3.0% | Added |
| Northern Trust Corp | 348,134 | $4.57M | 0.00% | +57,573+19.8% | Added |
| Trexquant Investment LP | 382,525 | $5.02M | 0.03% | −39,898−9.4% | Reduced |
| CenterBook Partners LP | 413,983 | $5.43M | 0.27% | −1,328,117−76.2% | Reduced |
| Citadel Advisors LLC | 414,880 | $5.44M | 0.00% | +265,837+178.4% | Added |
| Nuveen, LLC | 464,187 | $6.09M | 0.00% | +381,254+459.7% | Added |
| Royal Bank of Canada | 619,290 | $8.13M | 0.00% | −120,991−16.3% | Reduced |
| Two Sigma Investments, LP | 638,102 | $8.37M | 0.01% | +103,653+19.4% | Added |
| American Century Companies Inc | 642,076 | $8.42M | 0.00% | +529,804+471.9% | Added |
| Highbridge Capital Management LLC | 644,593 | $8.42M | 0.29% | +644,593 | New |
| Simcoe Capital LLC | 693,903 | $9.10M | 5.55% | +207,651+42.7% | Added |
| S Squared Technology, LLC | 748,099 | $9.82M | 3.05% | +71,700+10.6% | Added |
| State Street Corp | 854,147 | $11.2M | 0.00% | +62,728+7.9% | Added |
| Jacobs Levy Equity Management, Inc | 862,996 | $11.3M | 0.04% | −69,217−7.4% | Reduced |
| Vanguard Portfolio Management LLC | 947,548 | $12.4M | 0.00% | +308,763+48.3% | Added |
| Geode Capital Management, LLC | 991,800 | $13.0M | 0.00% | +41,195+4.3% | Added |
| Whitefort Capital Management, LP | 1,110,656 | $14.6M | 3.59% | +420,656+61.0% | Added |
| Renaissance Technologies LLC | 1,421,049 | $18.6M | 0.03% | −119,484−7.8% | Reduced |
| Dimensional Fund Advisors LP | 1,491,121 | $19.6M | 0.00% | +245,762+19.7% | Added |
| Acadian Asset Management LLC | 1,573,911 | $20.6M | 0.02% | −2,629−0.2% | Reduced |
| Vanguard Capital Management LLC | 1,661,312 | $21.8M | 0.00% | +47,543+2.9% | Added |
| BlackRock, Inc. | 3,279,530 | $43.0M | 0.00% | +214,494+7.0% | Added |
| Graham Holdings Co | 3,398,904 | $44.6M | 4.12% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −351,112−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −117,730−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −89,051−100.0% | Sold out |
| Cardinal Point Capital Management, ULC | 0 | $0 | 0.00% | −71,500−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −50,026−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −46,673−100.0% | Sold out |
| Leibman Financial Services, Inc. | 0 | $0 | 0.00% | −16,296−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −12,350−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −10,094−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −424−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Main Street Group, LTD | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −79−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −68−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −51−100.0% | Sold out |
| Missouri Trust & Investment Co | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |