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 |
|---|---|---|---|---|---|
| Walleye Trading LLC | 11,560 | $151.7K | 0.00% | −1,523−11.6% | Reduced |
| Vanguard Global Advisers, LLC | 11,499 | $150.9K | 0.00% | −4,394−27.6% | Reduced |
| Inscription Capital, LLC | 11,485 | $150.7K | 0.01% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 11,350 | $148.9K | 0.00% | −46,456−80.4% | Reduced |
| Advisor Group Holdings, Inc. | 11,307 | $148.3K | 0.00% | +11,135+6,473.8% | Added |
| Manufacturers Life Insurance Company, The | 10,907 | $143.1K | 0.00% | +270+2.5% | Added |
| Caxton Associates LLP | 10,888 | $142.9K | 0.00% | +10,888 | New |
| Versant Capital Management, Inc | 10,657 | $139.8K | 0.01% | +2,482+30.4% | Added |
| Centiva Capital, LP | 10,000 | $131.2K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 8,911 | $116.9K | 0.00% | +434+5.1% | Added |
| FMR LLC | 8,459 | $111.0K | 0.00% | −597−6.6% | Reduced |
| SRS Capital Advisors, Inc. | 6,639 | $87.1K | 0.00% | +6,554+7,710.6% | Added |
| BNP Paribas Arbitrage, SA | 6,222 | $81.6K | 0.00% | −3,425−35.5% | Reduced |
| GAMMA Investing LLC | 4,364 | $57.3K | 0.00% | −42−1.0% | Reduced |
| Ameritas Investment Partners, Inc. | 3,056 | $40.1K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 2,869 | $37.6K | 0.00% | +1,281+80.7% | Added |
| Caitong International Asset Management Co., Ltd | 2,444 | $32.1K | 0.00% | −369−13.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 2,246 | $29.5K | 0.00% | −1,917−46.0% | Reduced |
| Rockefeller Capital Management L.P. | 2,042 | $26.8K | 0.00% | −2,992−59.4% | Reduced |
| Jones Financial Companies LLLP | 1,953 | $24.7K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,393 | $18.3K | 0.00% | +82+6.3% | Added |
| State of Alaska, Department of Revenue | 1,267 | $16.0K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 808 | $10.6K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 768 | $10.1K | 0.00% | +118+18.2% | Added |
| Covestor Ltd | 826 | $10.0K | 0.01% | −208−20.1% | Reduced |
| UBS Asset Management Americas Inc | 757 | $9.93K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 634 | $8.32K | 0.00% | +174+37.8% | Added |
| Adirondack Trust Co | 549 | $7.20K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 545 | $7.15K | 0.00% | +144+35.9% | Added |
| California State Teachers Retirement System | 538 | $7.06K | 0.00% | −1,499−73.6% | Reduced |
| SBI Securities Co., Ltd. | 528 | $6.93K | 0.00% | −102−16.2% | Reduced |
| Newbridge Financial Services Group, Inc. | 500 | $6.56K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 402 | $5.28K | 0.00% | +241+149.7% | Added |
| Farther Finance Advisors, LLC | 397 | $5.21K | 0.00% | +45+12.8% | Added |
| Anchor Investment Management, LLC | 350 | $4.59K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 335 | $4.39K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 333 | $4.37K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 318 | $4.17K | 0.00% | −7−2.2% | Reduced |
| Parallel Advisors, LLC | 300 | $3.94K | 0.00% | −160−34.8% | Reduced |
| Zions Bancorporation, National Association | 201 | $2.64K | 0.00% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 174 | $2.28K | 0.00% | +174 | New |
| Rothschild Investment LLC | 125 | $1.64K | 0.00% | +54+76.1% | Added |
| Optiver Holding B.V. | 122 | $1.60K | 0.00% | −42−25.6% | Reduced |
| Signaturefd, LLC | 114 | $1.50K | 0.00% | −167−59.4% | Reduced |
| Bare Financial Services, Inc | 76 | $997 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 74 | $971 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 59 | $775 | 0.00% | +39+195.0% | Added |
| Northwestern Mutual Wealth Management Co | 50 | $656 | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 44 | $578 | 0.00% | +44 | New |
| US Bancorp | 42 | $551 | 0.00% | −344−89.1% | Reduced |
| Smartleaf Asset Management LLC | 17 | $227 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 5 | $66 | 0.00% | +5 | New |
| JPL Wealth Management, LLC | 4 | $53 | 0.00% | +4 | New |
| 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 |