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 16 sales; 153 institutions reported holding it in 13F filings for Q2 2026, worth $399.4M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in PubMatic, Inc. as of Mar 31, 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
- +3 vs. Q4 2025
- Shares held
- 28.8M
- +3.58M (+14.2%) vs. Q4 2025
- Total value
- $236.0M
- +$11.8M (+5.3%) vs. Q4 2025
- New holders
- 33
- 59 more added
- Sold out
- 30
- 41 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding PubMatic, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 9,056 | $74.1K | 0.00% | +4,987+122.6% | Added |
| Legal & General Group Plc | 8,477 | $69.3K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 8,175 | $66.9K | 0.01% | +5,732+234.6% | Added |
| State of Wyoming | 7,419 | $60.7K | 0.01% | +7,419 | New |
| CWM, LLC | 6,750 | $55.2K | 0.00% | +6,035+844.1% | Added |
| Rockefeller Capital Management L.P. | 5,034 | $41.2K | 0.00% | +3,711+280.5% | Added |
| Citigroup Inc | 4,905 | $40.1K | 0.00% | +846+20.8% | Added |
| GAMMA Investing LLC | 4,406 | $36.0K | 0.00% | +3,300+298.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 4,163 | $34.1K | 0.00% | −1,192−22.3% | Reduced |
| Ameritas Investment Partners, Inc. | 3,056 | $25.0K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 2,813 | $23.0K | 0.00% | +2,813 | New |
| California State Teachers Retirement System | 2,037 | $16.7K | 0.00% | −279−12.0% | Reduced |
| Jones Financial Companies LLLP | 1,953 | $16.0K | 0.00% | +585+42.8% | Added |
| Nisa Investment Advisors, LLC | 1,588 | $13.0K | 0.00% | +960+152.9% | Added |
| Tower Research Capital LLC (TRC) | 1,311 | $10.7K | 0.00% | +157+13.6% | Added |
| Sterling Capital Management LLC | 1,295 | $10.6K | 0.00% | −875−40.3% | Reduced |
| State of Alaska, Department of Revenue | 1,267 | $10.0K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 1,034 | $8.00K | 0.01% | +963+1,356.3% | Added |
| Massmutual Trust Co FSB | 808 | $6.61K | 0.00% | +808 | New |
| UBS Asset Management Americas Inc | 757 | $6.19K | 0.00% | +294+63.5% | Added |
| Harbour Investments, Inc. | 650 | $5.32K | 0.00% | +650 | New |
| SBI Securities Co., Ltd. | 630 | $5.15K | 0.00% | +42+7.1% | Added |
| Adirondack Trust Co | 549 | $4.49K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 500 | $4.09K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 460 | $3.76K | 0.00% | −1,138−71.2% | Reduced |
| EverSource Wealth Advisors, LLC | 460 | $3.76K | 0.00% | +307+200.7% | Added |
| Advisory Services Network, LLC | 424 | $3.47K | 0.00% | +424 | New |
| Essential Partners LLC | 401 | $3.28K | 0.00% | +401 | New |
| Clear Street Markets LLC | 400 | $3.27K | 0.00% | +400 | New |
| US Bancorp | 386 | $3.16K | 0.00% | −1,336−77.6% | Reduced |
| Farther Finance Advisors, LLC | 352 | $2.89K | 0.00% | −73−17.2% | Reduced |
| Anchor Investment Management, LLC | 350 | $2.86K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 335 | $2.74K | 0.00% | +335 | New |
| Geneos Wealth Management Inc. | 333 | $2.72K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 325 | $2.66K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 281 | $2.30K | 0.00% | −305−52.0% | Reduced |
| SRS Capital Advisors, Inc. | 85 | $1.88K | 0.00% | −2,517−96.7% | Reduced |
| Zions Bancorporation, National Association | 201 | $1.64K | 0.00% | +201 | New |
| Advisor Group Holdings, Inc. | 172 | $1.41K | 0.00% | −209−54.9% | Reduced |
| Optiver Holding B.V. | 164 | $1.34K | 0.00% | +22+15.5% | Added |
| True Wealth Design, LLC | 161 | $1.32K | 0.00% | +161 | New |
| Main Street Group, LTD | 100 | $818 | 0.00% | +100 | New |
| Wealth Preservation Advisors, LLC | 79 | $646 | 0.00% | +79 | New |
| Bare Financial Services, Inc | 76 | $622 | 0.00% | +76 | New |
| The PNC Financial Services Group, Inc. | 74 | $605 | 0.00% | +58+362.5% | Added |
| Rothschild Investment LLC | 71 | $581 | 0.00% | +16+29.1% | Added |
| International Assets Investment Management, LLC | 68 | $558 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 51 | $418 | 0.00% | +51 | New |
| Northwestern Mutual Wealth Management Co | 50 | $409 | 0.00% | 00.0% | Unchanged |
| Missouri Trust & Investment Co | 30 | $245 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 20 | $164 | 0.00% | +20 | New |
| Smartleaf Asset Management LLC | 17 | $141 | 0.00% | +17 | New |
| Kilter Group LLC | 1 | $9 | 0.00% | +1 | New |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −1,170,952−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −314,634−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −182,600−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −156,573−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −145,345−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −107,854−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −73,523−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −69,654−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −47,715−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −45,735−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −31,658−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −31,040−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −28,640−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −21,265−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −19,751−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −18,603−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −16,872−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −16,408−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −13,000−100.0% | Sold out |
| Savant Capital, LLC | 0 | $0 | 0.00% | −12,351−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −11,807−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −11,000−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −3,387−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −2,698−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −1,282−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,183−100.0% | Sold out |
| Founders Capital Management | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −701−100.0% | Sold out |
| Atlantic Union Bankshares Corp | 0 | $0 | 0.00% | −131−100.0% | Sold out |
| SHP Wealth Management | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |