PubMatic Ownership | Who Owns PubMatic?
PubMatic Ownership Summary
PubMatic is owned by 65.39% institutional investors, 0.96% insiders, and 33.65% retail investors. Graham is the largest institutional shareholder, holding 7.21% of PUBM shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.67% of its assets in PubMatic shares.
PUBM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | PubMatic | 65.39% | 0.96% | 33.65% |
| Sector | Technology Stocks | 78.07% | 14.90% | 7.03% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Graham | 3.40M | 7.21% | $44.59M |
| Blackrock funding, inc. /de | 3.28M | 6.96% | $43.03M |
| Blackrock | 3.40M | 6.79% | $69.01M |
| Vanguard group | 2.38M | 5.18% | $21.10M |
| Vanguard capital management | 1.66M | 3.53% | $21.80M |
| Acadian asset management | 1.57M | 3.34% | $20.64M |
| Dimensional fund advisors lp | 1.49M | 3.16% | $19.56M |
| Renaissance | 1.42M | 3.02% | $18.64M |
| Whitefort capital management, lp | 1.11M | 2.36% | $14.57M |
| Geode capital management | 991.80K | 2.10% | $13.02M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Graham | 3.40M | 4.12% | $44.59M |
| Whitefort capital management, lp | 1.11M | 3.59% | $14.57M |
| S squared | 748.10K | 3.05% | $9.82M |
| P.a.w. capital | 150.00K | 1.51% | $1.97M |
| Diversified investment strategies | 140.00K | 1.19% | $1.84M |
| Pinnacle | 158.25K | 0.64% | $2.08M |
| Manatuck hill partners | 200.00K | 0.55% | $1.66M |
| Centerbook partners lp | 413.98K | 0.27% | $5.43M |
| Corton capital | 11.36K | 0.23% | $94.08K |
| Highbridge capital management | 644.59K | 0.20% | $8.42M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Highbridge capital management | 644.59K | 0.20% | 644.59K |
| American century companies | 642.08K | 0.00% | 529.80K |
| Whitefort capital management, lp | 1.11M | 3.59% | 420.66K |
| Nuveen | 464.19K | 0.00% | 381.25K |
| Sixth street partners management company | 303.62K | 0.00% | 303.62K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Centerbook partners lp | 413.98K | 0.27% | -1.33M |
| Wellington management group llp | - | - | -1.17M |
| Nixon capital | - | - | -628.75K |
| D. e. shaw | 44.32K | 0.00% | -400.79K |
| Acuitas investments | - | - | -355.65K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Highbridge capital management | 644.59K | 0.20% | 644.59K | $8.42M |
| Sixth street partners management company | 303.62K | 0.00% | 303.62K | $3.98M |
| Manatuck hill partners | 200.00K | 0.55% | 200.00K | $1.66M |
| Jump financial | 100.61K | 0.01% | 100.61K | $1.32M |
| Inspire investing | 51.67K | 0.03% | 51.67K | $677.91K |
Sold Out
| Holder | Change |
|---|---|
| Kilter group | -1.00 |
| Nbc securities | -1.00 |
| Fortitude family office | -1.00 |
| Principal securities | -1.00 |
| Ifp advisors | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 165 | 1.85% | 30,812,354 | 6.83% | 65 | 1.74% | 79 | -15.96% | 46 | 15.00% |
| Mar 31, 2026 | 158 | -3.07% | 28,742,991 | 3.95% | 61 | 1.69% | 91 | 9.64% | 39 | -26.42% |
| Dec 31, 2025 | 76 | -53.37% | 13,850,709 | -49.90% | 30 | 0.88% | 35 | -57.32% | 27 | -40.00% |
| Sep 30, 2025 | 65 | -57.24% | 12,223,240 | -49.95% | 25 | 0.97% | 28 | -62.16% | 24 | -44.19% |
| Jun 30, 2025 | 161 | -3.59% | 25,873,720 | -0.68% | 54 | 1.89% | 76 | - | 47 | -16.07% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 1.29M | 2.67% | - |
| Vanguard MStar Total Stk Mkt Idx Invest | 1.21M | 2.65% | - |
| Vanguard Total Stock Mkt Idx Inv | 1.21M | 2.60% | -40.00K |
| Vanguard Morn Total Stk Mkt Idx Investor | 1.21M | 2.60% | -40.00K |
| iShares Russell 2000 ETF | 1.01M | 2.22% | -17.95K |
| Avantis US Small Cap Value ETF | 498.45K | 1.09% | - |
| Vanguard Small Cap Index | 494.28K | 1.02% | 1.80K |
| Vanguard Institutional Extnd Mkt Idx Tr | 416.58K | 0.91% | 1.02K |
| Fidelity Small Cap Index | 386.25K | 0.83% | 6.40K |
| iShares Russell 2000 Value ETF | 362.22K | 0.80% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 03, 2026 | Goel Amar K. | CHAIRMAN, CHIEF INNOVATION OFF | Sell | $106.53K |
| Sep 01, 2026 | Gimbel Lisa | CHIEF ACCOUNTING OFFICER | Sell | $8.21K |
| Aug 20, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER | Sell | $824.26K |
| Aug 17, 2026 | Kumar Mukul | PRESIDENT, ENGINEERING | Sell | $136.40K |
| May 18, 2026 | Gimbel Lisa | CHIEF ACCOUNTING OFFICER | Sell | $23.79K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 24 |
| 2026 Q2 | - | 16 |
| 2026 Q1 | - | 17 |
| 2025 Q4 | - | 16 |
| 2025 Q3 | - | 16 |
PUBM Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools