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, 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 |
|---|---|---|---|---|---|
| Kilter Group LLC | 1 | $9 | 0.00% | +1 | New |
| Smartleaf Asset Management LLC | 17 | $141 | 0.00% | +17 | New |
| SJS Investment Consulting Inc. | 20 | $164 | 0.00% | +20 | New |
| Missouri Trust & Investment Co | 30 | $245 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 50 | $409 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 51 | $418 | 0.00% | +51 | New |
| International Assets Investment Management, LLC | 68 | $558 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 71 | $581 | 0.00% | +16+29.1% | Added |
| The PNC Financial Services Group, Inc. | 74 | $605 | 0.00% | +58+362.5% | Added |
| Bare Financial Services, Inc | 76 | $622 | 0.00% | +76 | New |
| Wealth Preservation Advisors, LLC | 79 | $646 | 0.00% | +79 | New |
| Main Street Group, LTD | 100 | $818 | 0.00% | +100 | New |
| True Wealth Design, LLC | 161 | $1.32K | 0.00% | +161 | New |
| Optiver Holding B.V. | 164 | $1.34K | 0.00% | +22+15.5% | Added |
| Advisor Group Holdings, Inc. | 172 | $1.41K | 0.00% | −209−54.9% | Reduced |
| Zions Bancorporation, National Association | 201 | $1.64K | 0.00% | +201 | New |
| SRS Capital Advisors, Inc. | 85 | $1.88K | 0.00% | −2,517−96.7% | Reduced |
| Signaturefd, LLC | 281 | $2.30K | 0.00% | −305−52.0% | Reduced |
| National Bank of Canada | 325 | $2.66K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 333 | $2.72K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 335 | $2.74K | 0.00% | +335 | New |
| Anchor Investment Management, LLC | 350 | $2.86K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 352 | $2.89K | 0.00% | −73−17.2% | Reduced |
| US Bancorp | 386 | $3.16K | 0.00% | −1,336−77.6% | Reduced |
| Clear Street Markets LLC | 400 | $3.27K | 0.00% | +400 | New |
| Essential Partners LLC | 401 | $3.28K | 0.00% | +401 | New |
| Advisory Services Network, LLC | 424 | $3.47K | 0.00% | +424 | New |
| 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 |
| Newbridge Financial Services Group, Inc. | 500 | $4.09K | 0.00% | 00.0% | Unchanged |
| Adirondack Trust Co | 549 | $4.49K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 630 | $5.15K | 0.00% | +42+7.1% | Added |
| Harbour Investments, Inc. | 650 | $5.32K | 0.00% | +650 | New |
| UBS Asset Management Americas Inc | 757 | $6.19K | 0.00% | +294+63.5% | Added |
| Massmutual Trust Co FSB | 808 | $6.61K | 0.00% | +808 | New |
| Covestor Ltd | 1,034 | $8.00K | 0.01% | +963+1,356.3% | Added |
| State of Alaska, Department of Revenue | 1,267 | $10.0K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,295 | $10.6K | 0.00% | −875−40.3% | Reduced |
| Tower Research Capital LLC (TRC) | 1,311 | $10.7K | 0.00% | +157+13.6% | Added |
| Nisa Investment Advisors, LLC | 1,588 | $13.0K | 0.00% | +960+152.9% | Added |
| Jones Financial Companies LLLP | 1,953 | $16.0K | 0.00% | +585+42.8% | Added |
| California State Teachers Retirement System | 2,037 | $16.7K | 0.00% | −279−12.0% | Reduced |
| Caitong International Asset Management Co., Ltd | 2,813 | $23.0K | 0.00% | +2,813 | New |
| Ameritas Investment Partners, Inc. | 3,056 | $25.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 4,163 | $34.1K | 0.00% | −1,192−22.3% | Reduced |
| GAMMA Investing LLC | 4,406 | $36.0K | 0.00% | +3,300+298.4% | Added |
| Citigroup Inc | 4,905 | $40.1K | 0.00% | +846+20.8% | Added |
| Rockefeller Capital Management L.P. | 5,034 | $41.2K | 0.00% | +3,711+280.5% | Added |
| CWM, LLC | 6,750 | $55.2K | 0.00% | +6,035+844.1% | Added |
| State of Wyoming | 7,419 | $60.7K | 0.01% | +7,419 | New |
| Versant Capital Management, Inc | 8,175 | $66.9K | 0.01% | +5,732+234.6% | Added |
| Legal & General Group Plc | 8,477 | $69.3K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 9,056 | $74.1K | 0.00% | +4,987+122.6% | Added |
| BNP Paribas Arbitrage, SA | 9,647 | $78.9K | 0.00% | −62,472−86.6% | Reduced |
| Centiva Capital, LP | 10,000 | $81.8K | 0.00% | 00.0% | Unchanged |
| M&T Bank Corp | 10,094 | $82.6K | 0.00% | −127−1.2% | Reduced |
| Manufacturers Life Insurance Company, The | 10,637 | $87.0K | 0.00% | −1,319−11.0% | Reduced |
| Inscription Capital, LLC | 11,485 | $93.9K | 0.01% | +11,485 | New |
| New York State Common Retirement Fund | 11,752 | $96.1K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 12,259 | $100.3K | 0.00% | −100−0.8% | Reduced |
| Prelude Capital Management, LLC | 12,350 | $101.0K | 0.01% | −1,400−10.2% | Reduced |
| State Board of Administration of Florida Retirement System | 12,430 | $101.7K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 12,458 | $101.9K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 13,083 | $107.0K | 0.00% | −17,497−57.2% | Reduced |
| Winton Group Ltd | 13,200 | $108.0K | 0.00% | −16,492−55.5% | Reduced |
| Skopos Labs, Inc. | 14,219 | $116.3K | 0.00% | −12,660−47.1% | Reduced |
| Jasper Ridge Partners, L.P. | 15,032 | $123.0K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 15,773 | $129.0K | 0.00% | +15,773 | New |
| Vanguard Global Advisers, LLC | 15,893 | $130.0K | 0.00% | +15,893 | New |
| Mercer Global Advisors Inc | 15,963 | $130.6K | 0.00% | +15,963 | New |
| Colony Group, LLC | 13,919 | $133.2K | 0.00% | +13,919 | New |
| Leibman Financial Services, Inc. | 16,296 | $133.3K | 0.10% | −99,314−85.9% | Reduced |
| Diversified Trust Co | 17,564 | $143.7K | 0.00% | +3,022+20.8% | Added |
| Meeder Asset Management Inc | 19,822 | $162.1K | 0.01% | +19,822 | New |
| Simplex Trading, LLC | 20,989 | $171.7K | 0.01% | +9,662+85.3% | Added |
| Point72 Asset Management, L.P. | 22,303 | $182.4K | 0.00% | −136,611−86.0% | Reduced |
| Squarepoint Ops LLC | 23,114 | $189.1K | 0.00% | −44,627−65.9% | Reduced |
| MetLife Investment Management | 24,504 | $200.4K | 0.00% | 00.0% | Unchanged |
| GWN Securities Inc. | 24,642 | $201.6K | 0.04% | +7,174+41.1% | Added |
| Allworth Financial LP | 25,168 | $205.9K | 0.00% | +65+0.3% | Added |
| Los Angeles Capital Management LLC | 27,708 | $226.7K | 0.00% | +27,440+10,238.8% | Added |
| Price T Rowe Associates Inc | 30,926 | $253.0K | 0.00% | +8,079+35.4% | Added |
| STRS Ohio | 31,100 | $254.4K | 0.00% | 00.0% | Unchanged |
| Fuller & Thaler Asset Management, Inc. | 36,736 | $300.5K | 0.00% | +8,901+32.0% | Added |
| IMC-Chicago, LLC | 36,842 | $301.4K | 0.00% | +36,842 | New |
| Balyasny Asset Management LLC | 37,405 | $306.0K | 0.00% | −17,035−31.3% | Reduced |
| Alliancebernstein L.P. | 36,200 | $321.1K | 0.00% | 00.0% | Unchanged |
| Fox Run Management, L.L.C. | 46,673 | $379.0K | 0.07% | −14,788−24.1% | Reduced |
| Creative Planning | 48,249 | $394.7K | 0.00% | +29,185+153.1% | Added |
| Rhumbline Advisers | 49,753 | $407.0K | 0.00% | −3,101−5.9% | Reduced |
| Magnetar Financial LLC | 50,026 | $409.2K | 0.00% | +14,928+42.5% | Added |
| Voya Investment Management LLC | 53,332 | $436.3K | 0.00% | +2,732+5.4% | Added |
| Avestar Capital, LLC | 55,000 | $449.9K | 0.03% | −95,000−63.3% | Reduced |
| Brevan Howard Capital Management LP | 57,806 | $472.9K | 0.00% | +57,806 | New |
| Canada Pension Plan Investment Board | 59,400 | $485.9K | 0.00% | +40,600+216.0% | Added |
| Wells Fargo & Company | 60,747 | $496.9K | 0.00% | −21,247−25.9% | Reduced |
| Group One Trading, L.P. | 63,837 | $522.2K | 0.02% | +59,148+1,261.4% | Added |
| Russell Investments Group, Ltd. | 66,291 | $541.9K | 0.00% | +24,000+56.7% | Added |
| Public Employees Retirement System of Ohio | 66,426 | $543.4K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 68,458 | $560.0K | 0.01% | +45,990+204.7% | Added |