PubMatic Ownership | Who Owns PubMatic?
PubMatic Ownership Summary
PubMatic is owned by 54.83% institutional investors, 0.78% insiders, and 44.39% retail investors. Vanguard group is the largest institutional shareholder, holding 8.64% of PUBM shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.78% of its assets in PubMatic shares.
PUBM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | PubMatic | 54.83% | 0.78% | 44.39% |
| Sector | Technology Stocks | 144.02% | 12.52% | -56.54% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 4.24M | 8.64% | $62.29M |
| Blackrock funding, inc. /de | 3.45M | 7.31% | $42.92M |
| Blackrock | 3.40M | 6.79% | $69.01M |
| Graham | 2.83M | 6.00% | $35.22M |
| Dimensional fund advisors lp | 1.53M | 3.13% | $22.53M |
| Royal bank of canada | 1.07M | 2.18% | $15.71M |
| Renaissance | 1.06M | 2.17% | $15.62M |
| State street | 993.58K | 1.99% | $20.18M |
| Geode capital management | 948.96K | 1.93% | $13.94M |
| Wellington management group llp | 897.97K | 1.83% | $13.19M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Graham | 2.83M | 3.96% | $35.22M |
| Leibman financial services | 56.69K | 0.61% | $832.78K |
| Pinnacle | 128.82K | 0.58% | $1.60M |
| Penbrook management | 35.05K | 0.35% | $514.81K |
| Apis capital advisors | 77.50K | 0.34% | $964.10K |
| Avestar capital | 305.00K | 0.26% | $3.79M |
| Corton capital | 16.88K | 0.24% | $210.04K |
| Diametric capital, lp | 20.50K | 0.14% | $255.01K |
| Quest partners | 66.86K | 0.13% | $982.22K |
| Zions bancorporation, n.a. | 87.34K | 0.08% | $1.28M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Goldman sachs group | 398.86K | 0.00% | 194.00K |
| Acadian asset management | 628.14K | 0.02% | 171.11K |
| Jpmorgan chase | 226.33K | 0.00% | 163.98K |
| Wellington management group llp | 897.97K | 0.00% | 145.64K |
| Morgan stanley | 388.26K | 0.00% | 136.62K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Nixon capital | - | - | -628.75K |
| Gratus capital | - | - | -280.90K |
| Pacer advisors | - | - | -268.64K |
| Millennium management | 122.72K | 0.00% | -238.66K |
| Qube research | 32.51K | 0.00% | -234.07K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Apis capital advisors | 77.50K | 0.34% | 77.50K | $964.10K |
| Ardsley advisory partners lp | 35.00K | 0.06% | 35.00K | $435.40K |
| Amundi | 34.10K | 0.00% | 34.10K | $432.06K |
| Bnp paribas arbitrage, snc | 29.33K | 0.00% | 29.33K | $430.83K |
| Diametric capital, lp | 20.50K | 0.14% | 20.50K | $255.01K |
Sold Out
| Holder | Change |
|---|---|
| Principal securities | -1.00 |
| Nbc securities | -1.00 |
| Ifp advisors | -2.00 |
| Nelson, van denburg & campbell wealth management group | -9.00 |
| Pnc financial services group | -14.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 161 | -3.59% | 25,873,720 | -0.68% | 54 | 1.89% | 76 | - | 47 | -16.07% |
| Mar 31, 2025 | 4 | -97.70% | 354,848 | -98.65% | - | 0.03% | 2 | -97.47% | 2 | -96.08% |
| Dec 31, 2024 | 77 | -57.69% | 13,260,563 | -47.78% | 27 | 1.01% | 32 | -62.79% | 25 | -50.98% |
| Sep 30, 2024 | 182 | -12.08% | 25,393,974 | -0.62% | 51 | 1.96% | 86 | -23.89% | 51 | 6.25% |
| Jun 30, 2024 | 206 | 6.19% | 25,553,085 | 4.37% | 51 | 2.19% | 112 | 7.69% | 48 | -4.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 1.27M | 2.78% | -28.14K |
| Vanguard US Total Market Shares ETF | 1.29M | 2.67% | - |
| iShares Russell 2000 ETF | 1.01M | 2.07% | -19.11K |
| Vanguard Small Cap Index | 494.28K | 1.02% | 1.80K |
| Vanguard Institutional Extnd Mkt Idx Tr | 436.36K | 0.96% | -201.28K |
| Fidelity Small Cap Index | 403.96K | 0.83% | -1.99K |
| iShares Russell 2000 Value ETF | 359.90K | 0.74% | 267.00 |
| iShares Russell 2000 Growth ETF | 342.44K | 0.71% | - |
| Nuveen Quant Small Cap Equity R6 | 304.82K | 0.63% | -6.08K |
| DFA US Targeted Value I | 288.67K | 0.59% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 02, 2025 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Sell | $371.73K |
| Sep 02, 2025 | Goel Amar K. | CHAIRMAN, CHIEF INNOVATION OFF | Sell | $67.77K |
| Aug 27, 2025 | Pantelick Steven | CHIEF FINANCIAL OFFICER | Sell | $31.01K |
| Aug 18, 2025 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Sell | $370.41K |
| Aug 18, 2025 | Gimbel Lisa | CHIEF ACCOUNTING OFFICER | Sell | $8.93K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 15 |
| 2025 Q2 | - | 18 |
| 2025 Q1 | - | 21 |
| 2024 Q4 | - | 28 |
| 2024 Q3 | - | 22 |
PUBM Ownership FAQ
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