PubMatic, Inc. (PUBM) shareholders
PUBMNasdaqServices-Computer Programming, Data Processing, Etc.Fiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 9, 2026Score 8/30163% above fair value
$20.61+1.59 (+8.36%)
Close on Nov 13, 2026Market cap $938.79MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
66.9%
30M of 46M shares
Institutional holders
153
20 new, 17 sold out
Net institutional buying
2M
In Q2 2026
Insider trades, 12 months
0 buys · 85 sales
Net sold $23.09M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| / Rajeev K. Goel | 5,400,558 | 11.50% | 13G (passive) amendment | Dec 31, 2023 |
| / Amar K. Goel | 4,796,578 | 10.40% | 13G (passive) amendment | Dec 31, 2023 |
| Graham Holdings Company | 3,398,904 | 8.90% | 13G (passive) amendment | Mar 31, 2026 |
| BlackRock, Inc. | 2,708,504 | 7.10% | 13G (passive) amendment | Dec 31, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of PUBM | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Graham Holdings Co | 3,398,904 | 7.46% | $44.59M | – | 4.12% |
| BlackRock, Inc. | 3,279,530 | 7.20% | $43.03M | +214,494 | 0.00% |
| Vanguard Capital Management LLC | 1,661,312 | 3.65% | $21.80M | +47,543 | 0.00% |
| Acadian Asset Management LLC | 1,573,911 | 3.46% | $20.64M | −2,629 | 0.02% |
| Dimensional Fund Advisors LP | 1,491,121 | 3.27% | $19.56M | +245,762 | 0.00% |
| Renaissance Technologies LLC | 1,421,049 | 3.12% | $18.64M | −119,484 | 0.03% |
| Whitefort Capital Management, LP | 1,110,656 | 2.44% | $14.57M | +420,656 | 3.59% |
| Geode Capital Management, LLC | 991,800 | 2.18% | $13.02M | +41,195 | 0.00% |
| Vanguard Portfolio Management LLC | 947,548 | 2.08% | $12.43M | +308,763 | 0.00% |
| Jacobs Levy Equity Management, Inc | 862,996 | 1.89% | $11.32M | −69,217 | 0.04% |
| State Street Corp | 854,147 | 1.88% | $11.21M | +62,728 | 0.00% |
| S Squared Technology, LLC | 748,099 | 1.64% | $9.82M | +71,700 | 3.05% |
| Simcoe Capital LLC | 693,903 | 1.52% | $9.10M | +207,651 | 5.55% |
| Highbridge Capital Management LLC | 644,593 | 1.42% | $8.42M | New | 0.20% |
| American Century Companies Inc | 642,076 | 1.41% | $8.42M | +529,804 | 0.00% |
| Two Sigma Investments, LP | 638,102 | 1.40% | $8.37M | +103,653 | 0.01% |
| Royal Bank of Canada | 619,290 | 1.36% | $8.13M | −120,991 | 0.00% |
| Nuveen, LLC | 464,187 | 1.02% | $6.09M | +381,254 | 0.00% |
| Citadel Advisors LLC | 414,880 | 0.91% | $5.44M | +265,837 | 0.00% |
| CenterBook Partners LP | 413,983 | 0.91% | $5.43M | −1,328,117 | 0.27% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 153 | 30M | 66.9% | 20 / 58 | 46 / 17 | 5M | 3M |
| Q1 2026 | 153 | 29M | 63.3% | 33 / 57 | 43 / 30 | 8M | 5M |
| Q4 2025 | 152 | 28M | 60.9% | 30 / 53 | 52 / 26 | 4M | 5M |
| Q3 2025 | 150 | 28M | 61.4% | 28 / 48 | 48 / 26 | 4M | 3M |
| Q2 2025 | 149 | 27M | 58.9% | 25 / 54 | 46 / 32 | 4M | 3M |
| Q1 2025 | 157 | 26M | 57.3% | 38 / 41 | 52 / 40 | 4M | 3M |
| Q4 2024 | 161 | 26M | 57.7% | 27 / 49 | 54 / 30 | 2M | 1M |
| Q3 2024 | 167 | 25M | 55.9% | 29 / 61 | 48 / 54 | 6M | 3M |
| Q2 2024 | 193 | 26M | 56.1% | 45 / 66 | 48 / 30 | 3M | 3M |
| Q1 2024 | 179 | 25M | 55.1% | 53 / 51 | 48 / 21 | 4M | 1M |
| Q4 2023 | 148 | 22M | 48.6% | 28 / 50 | 38 / 21 | 2M | 1M |
| Q3 2023 | 142 | 21M | 45.3% | 24 / 47 | 39 / 21 | 2M | 2M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
178 funds held PUBM in Q2 2026, 51% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of PUBM | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,207,349 | 2.65% | $15.84M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 1,035,572 | 2.27% | $13.59M | 0.02% | Jun 30, 2026 |
| Nuveen Quant Small Cap Equity Fund | 449,390 | 0.99% | $5.66M | 0.14% | Jul 31, 2026 |
| Fidelity Small Cap Index Fund | 426,874 | 0.94% | $5.38M | 0.02% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 415,726 | 0.91% | $5.45M | 0.01% | Jun 30, 2026 |
| iShares Russell 2000 Value ETF | 368,096 | 0.81% | $4.83M | 0.03% | Jun 30, 2026 |
| Avantis U.S. Small Cap Value ETF | 343,971 | 0.76% | $4.02M | 0.01% | May 31, 2026 |
| Vanguard Strategic Small-Cap Equity Fund | 282,497 | 0.62% | $3.71M | 0.12% | Jun 30, 2026 |
| Vanguard Strategic Equity Fund | 229,676 | 0.50% | $3.01M | 0.02% | Jun 30, 2026 |
| U.S. Small Cap Value Portfolio | 216,714 | 0.48% | $2.73M | 0.01% | Jul 31, 2026 |
| Vanguard Russell 2000 Index Fund | 196,671 | 0.43% | $2.30M | 0.01% | May 31, 2026 |
| U.S. Targeted Value Portfolio | 190,254 | 0.42% | $2.40M | 0.01% | Jul 31, 2026 |
| Fidelity Extended Market Index Fund | 189,140 | 0.42% | $2.21M | 0.01% | May 31, 2026 |
| Dimensional U.S. Targeted Value ETF | 168,831 | 0.37% | $2.13M | 0.01% | Jul 31, 2026 |
| Schwab U.S. Small-Cap ETF | 168,732 | 0.37% | $1.97M | 0.01% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Rajeev K. Goel | CHIEF EXECUTIVE OFFICER, Director, 10% owner | 676,542 | 1.49% | Oct 23, 2026 |
| Amar K. Goel | CHAIRMAN, CHIEF INNOVATION OFF, Director, 10% owner | 4,269,886 | 9.37% | Oct 6, 2026 |
| Steven Pantelick | CHIEF FINANCIAL OFFICER | 487,841 | 1.07% | Nov 13, 2026 |
| Lisa Gimbel | CHIEF ACCOUNTING OFFICER | 21,780 | 0.05% | Nov 3, 2026 |
| Mukul Kumar | PRESIDENT, ENGINEERING | 252,641 | 0.55% | Oct 19, 2026 |
| Andrew Woods | GENERAL COUNSEL & SECRETARY | 39,761 | 0.09% | Oct 6, 2026 |
| Paulina Klimenko | CHIEF GROWTH OFFICER | 95,319 | 0.21% | Jul 6, 2026 |
| Ramon Jones | Director | 4,266 | 0.01% | Jun 2, 2026 |
| Nikhil Ramesh Mehta | Director | 18,022 | 0.04% | Jun 2, 2026 |
| Susan Daimler | Director | 9,971 | 0.02% | Jun 2, 2026 |
| Yakov (Jacob) Shulman | Director | 18,036 | 0.04% | Jun 2, 2026 |
| Shelagh Glaser | Director | 21,502 | 0.05% | Jun 2, 2026 |
| Anton Hanebrink | Director | 9,575 | 0.02% | Jun 2, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Steven Pantelick CHIEF FINANCIAL OFFICER | Nov 12, 2026 | Sale | −25,500 | $18.93 | $482.67K | 10,353 |
| Steven Pantelick CHIEF FINANCIAL OFFICER | Nov 12, 2026 | Sale | −24,500 | $18.48 | $452.88K | 35,853 |
| Steven Pantelick CHIEF FINANCIAL OFFICER | Nov 12, 2026 | Conversion | +50,000 | – | – | 60,353 |
| Lisa Gimbel CHIEF ACCOUNTING OFFICER | Nov 2, 2026 | Sale(10b5-1 plan) | −500 | $16.13 | $8.07K | 15,427 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Oct 22, 2026 | Sale(10b5-1 plan) | −50,021 | $17.26 | $863.24K | 31,774 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Oct 22, 2026 | Conversion | +34,371 | – | – | 81,795 |
| Mukul Kumar PRESIDENT, ENGINEERING | Oct 16, 2026 | Sale(10b5-1 plan) | −2,600 | $17.78 | $46.24K | 117,041 |
| Mukul Kumar PRESIDENT, ENGINEERING | Oct 16, 2026 | Sale(10b5-1 plan) | −5,400 | $16.80 | $90.74K | 125,041 |
| Mukul Kumar PRESIDENT, ENGINEERING | Oct 16, 2026 | Conversion | +8,000 | – | – | 133,041 |
| Andrew Woods GENERAL COUNSEL & SECRETARY | Oct 5, 2026 | Sale(10b5-1 plan) | −10,079 | $18.65 | $188.00K | 39,761 |
| Amar K. Goel CHAIRMAN, CHIEF INNOVATION OFF, Director, 10% owner | Oct 5, 2026 | Sale(10b5-1 plan) | −10,795 | $18.66 | $201.49K | 35,580 |
| Steven Pantelick CHIEF FINANCIAL OFFICER | Oct 5, 2026 | Sale(10b5-1 plan) | −22,173 | $18.66 | $413.81K | 10,353 |
| Andrew Woods GENERAL COUNSEL & SECRETARY | Oct 2, 2026 | Sale | −512 | $19.43 | $9.95K | 49,840 |
| Andrew Woods GENERAL COUNSEL & SECRETARY | Oct 2, 2026 | Sale | −5,232 | $18.93 | $99.04K | 50,352 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Oct 2, 2026 | Sale | −4,475 | $19.43 | $86.95K | 47,424 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Oct 2, 2026 | Sale | −45,758 | $18.93 | $866.15K | 51,899 |
| Amar K. Goel CHAIRMAN, CHIEF INNOVATION OFF, Director, 10% owner | Oct 2, 2026 | Sale | −651 | $19.43 | $12.65K | 46,375 |
| Amar K. Goel CHAIRMAN, CHIEF INNOVATION OFF, Director, 10% owner | Oct 2, 2026 | Sale | −6,651 | $18.93 | $125.90K | 47,026 |
| Steven Pantelick CHIEF FINANCIAL OFFICER | Oct 2, 2026 | Sale | −2,093 | $19.43 | $40.67K | 32,526 |
| Steven Pantelick CHIEF FINANCIAL OFFICER | Oct 2, 2026 | Sale | −21,398 | $18.93 | $405.04K | 34,619 |
| Mukul Kumar PRESIDENT, ENGINEERING | Oct 2, 2026 | Sale | −702 | $19.43 | $13.64K | 125,041 |
| Mukul Kumar PRESIDENT, ENGINEERING | Oct 2, 2026 | Sale | −7,176 | $18.93 | $135.83K | 125,743 |
| Andrew Woods GENERAL COUNSEL & SECRETARY | Oct 1, 2026 | Option exercise | +15,823 | – | – | 55,584 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Oct 1, 2026 | Option exercise | +97,657 | – | – | 97,657 |
| Amar K. Goel CHAIRMAN, CHIEF INNOVATION OFF, Director, 10% owner | Oct 1, 2026 | Option exercise | +18,097 | – | – | 53,677 |
| Steven Pantelick CHIEF FINANCIAL OFFICER | Oct 1, 2026 | Option exercise | +45,664 | – | – | 56,017 |
| Mukul Kumar PRESIDENT, ENGINEERING | Oct 1, 2026 | Option exercise | +19,974 | – | – | 132,919 |
| Lisa Gimbel CHIEF ACCOUNTING OFFICER | Oct 1, 2026 | Sale(10b5-1 plan) | −500 | $18.99 | $9.50K | 15,927 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Sep 24, 2026 | Conversion | +34,370 | – | – | 50,453 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Sep 24, 2026 | Sale(10b5-1 plan) | −40,373 | $18.54 | $748.52K | 0 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Sep 24, 2026 | Sale(10b5-1 plan) | −10,080 | $18.05 | $181.94K | 40,373 |
| Mukul Kumar PRESIDENT, ENGINEERING | Sep 16, 2026 | Conversion | +8,000 | – | – | 120,945 |
| Mukul Kumar PRESIDENT, ENGINEERING | Sep 16, 2026 | Sale(10b5-1 plan) | −8,000 | $16.78 | $134.24K | 112,945 |
| Amar K. Goel CHAIRMAN, CHIEF INNOVATION OFF, Director, 10% owner | Sep 3, 2026 | Conversion | +6,250 | – | – | 41,830 |
| Amar K. Goel CHAIRMAN, CHIEF INNOVATION OFF, Director, 10% owner | Sep 3, 2026 | Sale(10b5-1 plan) | −6,250 | $17.04 | $106.50K | 35,580 |
| Lisa Gimbel CHIEF ACCOUNTING OFFICER | Sep 1, 2026 | Sale(10b5-1 plan) | −500 | $16.43 | $8.22K | 16,427 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Aug 20, 2026 | Sale(10b5-1 plan) | −49,980 | $16.49 | $824.17K | 16,083 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Aug 20, 2026 | Conversion | +34,371 | – | – | 66,063 |
| Mukul Kumar PRESIDENT, ENGINEERING | Aug 17, 2026 | Conversion | +8,000 | – | – | 120,945 |
| Mukul Kumar PRESIDENT, ENGINEERING | Aug 17, 2026 | Sale(10b5-1 plan) | −8,000 | $17.05 | $136.40K | 112,945 |
| Lisa Gimbel CHIEF ACCOUNTING OFFICER | Aug 15, 2026 | Option exercise | +772 | – | – | 16,728 |
| Lisa Gimbel CHIEF ACCOUNTING OFFICER | Aug 15, 2026 | Option exercise | +794 | – | – | 18,323 |
| Lisa Gimbel CHIEF ACCOUNTING OFFICER | Aug 15, 2026 | Option exercise | +801 | – | – | 17,529 |
| Lisa Gimbel CHIEF ACCOUNTING OFFICER | Aug 15, 2026 | Option exercise | +1,395 | – | – | 15,956 |
| Steven Pantelick CHIEF FINANCIAL OFFICER | Aug 13, 2026 | Sale(10b5-1 plan) | −19,716 | $17.31 | $341.28K | 10,353 |
| Steven Pantelick CHIEF FINANCIAL OFFICER | Aug 12, 2026 | Sale(10b5-1 plan) | −22,203 | $17.25 | $383.00K | 30,069 |
| Lisa Gimbel CHIEF ACCOUNTING OFFICER | Aug 12, 2026 | Sale(10b5-1 plan) | −500 | $17.50 | $8.75K | 14,561 |
| Andrew Woods GENERAL COUNSEL & SECRETARY | Aug 10, 2026 | Sale(10b5-1 plan) | −38,331 | $17.96 | $688.42K | 39,761 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Aug 7, 2026 | Conversion | +211,302 | – | – | 242,994 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Aug 7, 2026 | Sale(10b5-1 plan) | −211,302 | $17.74 | $3.75M | 31,692 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Jul 23, 2026 | Conversion | +21,870 | – | – | 69,171 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Jul 23, 2026 | Conversion | +12,500 | – | – | 81,671 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Jul 23, 2026 | Sale(10b5-1 plan) | −49,979 | $12.35 | $617.24K | 31,692 |
| Andrew Woods GENERAL COUNSEL & SECRETARY | Jul 16, 2026 | Sale(10b5-1 plan) | −3,239 | $14.01 | $45.38K | 78,092 |
| Mukul Kumar PRESIDENT, ENGINEERING | Jul 16, 2026 | Sale(10b5-1 plan) | −8,000 | $13.67 | $109.36K | 112,945 |
| Mukul Kumar PRESIDENT, ENGINEERING | Jul 16, 2026 | Conversion | +8,000 | – | – | 120,945 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Jul 16, 2026 | Conversion | +8,962 | – | – | 56,263 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Jul 16, 2026 | Sale(10b5-1 plan) | −8,962 | $13.94 | $124.93K | 47,301 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Jul 15, 2026 | Conversion | +4,060 | – | – | 51,361 |
| Rajeev K. Goel CHIEF EXECUTIVE OFFICER, Director, 10% owner | Jul 15, 2026 | Sale(10b5-1 plan) | −4,060 | $13.90 | $56.43K | 47,301 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
7.77%
3M shares short
Days to cover
7.6
At 0M shares a day
Change since last report
+0.1%
From 3M shares
Short volume, 20 days
59.3%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of PubMatic's stock actually held short. Settlement fails (shares not delivered on time) peaked at 4,839 shares on Sep 4, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Rajeev K. Goel Director, Officer, 10% Stockholder | Oct 22, 2026 | 50,021 | $873.37K | Oct 22, 2026 | Exercise of Stock Options |
| Steve Pantelick Officer | Oct 5, 2026 | 22,173 | $408.43K | Oct 5, 2026 | Restricted Stock Units |
| Amar K. Goel Director, Officer, 10% Stockholder | Oct 5, 2026 | 10,795 | $198.84K | Oct 5, 2026 | Restricted Stock Units |
| Andrew Woods Officer | Oct 5, 2026 | 10,079 | $185.66K | Oct 5, 2026 | Restricted Stock Units |
| Rajeev K. Goel Director, Officer, 10% Stockholder | Sep 24, 2026 | 50,453 | $880.66K | Sep 24, 2026 | Exercise of Stock Options |
| Mukul Kumar Officer | Sep 16, 2026 | 23,000 | $385.94K | Sep 16, 2026 | Exercise of Stock Options |
| Amar K. Goel Director, Officer, 10% Stockholder | Sep 3, 2026 | 6,250 | $108.63K | Sep 3, 2026 | Exercise of Stock Options |
| Paulina Klimenko Director | Aug 26, 2026 | 31,044 | $507.67K | Aug 26, 2026 | Restricted Stock Vesting Under a Registered Plan |
| Rajeev K. Goel Director, Officer, 10% Stockholder | Aug 20, 2026 | 49,980 | $838.66K | Aug 20, 2026 | Exercise of Stock Options |
| Steve M Pantelick Officer | Aug 13, 2026 | 19,716 | $341.21K | Aug 13, 2026 | Restricted Stock Vesting Under a Registered Plan |
| Lisa Gimbel Officer | Aug 12, 2026 | 2,000 | $35.30K | Aug 12, 2026 | Restricted Stock Units |
| Steve Pantelick Officer | Aug 12, 2026 | 22,203 | $391.88K | Aug 12, 2026 | Restricted Stock Units |
| Paulina Klimenko Director | Aug 12, 2026 | 40,000 | $687.87K | Aug 12, 2026 | Restricted Stock Vesting Under a Registered Plan |
| Andrew Woods Officer | Aug 7, 2026 | 38,331 | $516.70K | Aug 7, 2026 | Restricted Stock Units |
| Rajeev K. Goel Director, Officer, 10% Stockholder | Aug 7, 2026 | 211,302 | $2.85M | Aug 7, 2026 | Exercise of Stock Options |
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