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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, Q3 2021

Institutional positions in PubMatic, Inc. as of Sep 30, 2021. 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
100
+14 vs. Q2 2021
Shares held
9.44M
+485.7K (+5.4%) vs. Q2 2021
Total value
$248.9M
−$101.5M (−29.0%) vs. Q2 2021
New holders
40
35 more added
Sold out
26
18 more reduced

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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.

Institutional holdersQ3 2021: 100 institutions
Q1 2021: 61 institutionsQ2 2021: 87 institutionsQ3 2021: 100 institutionsQ4 2021: 165 institutionsQ1 2022: 138 institutionsQ2 2022: 153 institutionsQ3 2022: 157 institutionsQ4 2022: 162 institutionsQ1 2023: 149 institutionsQ2 2023: 141 institutionsQ3 2023: 143 institutionsQ4 2023: 148 institutionsQ1 2024: 179 institutionsQ2 2024: 193 institutionsQ3 2024: 167 institutionsQ4 2024: 161 institutionsQ1 2025: 157 institutionsQ2 2025: 149 institutionsQ3 2025: 150 institutionsQ4 2025: 152 institutionsQ1 2026: 153 institutionsQ2 2026: 153 institutions
Value heldQ3 2021: $248.9M
Q1 2021: $305.1MQ2 2021: $350.3MQ3 2021: $248.9MQ4 2021: $608.3MQ1 2022: $462.1MQ2 2022: $354.4MQ3 2022: $362.5MQ4 2022: $283.9MQ1 2023: $303.4MQ2 2023: $379.2MQ3 2023: $251.1MQ4 2023: $357.5MQ1 2024: $576.7MQ2 2024: $518.8MQ3 2024: $377.6MQ4 2024: $386.3MQ1 2025: $238.4MQ2 2025: $321.6MQ3 2025: $228.7MQ4 2025: $245.2MQ1 2026: $236.0MQ2 2026: $399.4M
Institutions holding PUBM and their total value by quarter
QuarterHoldersValue
Q2 2026153$399.4M
Q1 2026153$236.0M
Q4 2025152$245.2M
Q3 2025150$228.7M
Q2 2025149$321.6M
Q1 2025157$238.4M
Q4 2024161$386.3M
Q3 2024167$377.6M
Q2 2024193$518.8M
Q1 2024179$576.7M
Q4 2023148$357.5M
Q3 2023143$251.1M
Q2 2023141$379.2M
Q1 2023149$303.4M
Q4 2022162$283.9M
Q3 2022157$362.5M
Q2 2022153$354.4M
Q1 2022138$462.1M
Q4 2021165$608.3M
Q3 2021100$248.9M
Q2 202187$350.3M
Q1 202161$305.1M

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding PubMatic, Inc.; share changes are against Q2 2021.

Institutions holding PUBM in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc1,719,496$45.3M0.00%+1,190,960+225.3%Added
Ameriprise Financial Inc909,568$24.0M0.01%+4,897+0.5%Added
Royal Bank of Canada844,191$22.2M0.01%+9,041+1.1%Added
BlackRock Inc.691,320$18.2M0.00%+81,969+13.5%Added
Yale University586,912$15.5M1.83%+586,912New
Moody Aldrich Partners LLC406,440$10.7M1.36%+56,725+16.2%Added
Millennium Management LLC403,074$10.6M0.01%+312,471+344.9%Added
Morgan Stanley304,348$8.02M0.00%−30,061−9.0%Reduced
Goldman Sachs Group Inc303,006$7.98M0.00%+297,581+5,485.4%Added
Citadel Advisors LLC247,482$6.52M0.01%+239,804+3,123.3%Added
Neuberger Berman Group LLC230,271$6.07M0.01%−108,558−32.0%Reduced
Gratus Capital LLC229,610$6.05M0.65%+84,563+58.3%Added
Schonfeld Strategic Advisors LLC179,299$4.72M0.05%−16,358−8.4%Reduced
Price T Rowe Associates Inc177,655$4.68M0.00%+177,655New
Premier Fund Managers Ltd173,650$4.50M0.15%00.0%Unchanged
Geode Capital Management, LLC155,976$4.11M0.00%+81,071+108.2%Added
Advisor Resource Council149,361$3.94M1.20%+32,110+27.4%Added
US Bancorp119,095$3.14M0.01%+17,365+17.1%Added
Maverick Capital LtdSuperinvestorMaverick Capital117,381$3.09M0.03%+117,381New
Two Sigma Investments, LP77,843$2.05M0.01%+77,843New
Two Sigma Advisers, LP75,500$1.99M0.01%+75,500New
SkyOak Wealth, LLC73,694$1.94M0.52%+73,694New
State Street Corp73,463$1.94M0.00%+36,520+98.9%Added
Rice Hall James & Associates, LLC70,544$1.86M0.07%+70,544New
Occudo Quantitative Strategies LP70,243$1.85M0.22%+59,890+578.5%Added
Bank of New York Mellon Corp65,733$1.73M0.00%+5,628+9.4%Added
Voloridge Investment Management, LLC62,665$1.65M0.01%+46,254+281.8%Added
Marshall Wace, LLP61,170$1.61M0.01%−13,714−18.3%Reduced
Holocene Advisors, LP58,172$1.53M0.01%+29,554+103.3%Added
HarbourVest Partners LLC54,505$1.44M0.13%+54,505New
Susquehanna International Group, LLP49,369$1.30M0.00%−18,042−26.8%Reduced
Glenmede Trust Co NA42,587$1.12M0.01%−1,403−3.2%Reduced
Cubist Systematic Strategies, LLC39,382$1.04M0.01%+38,782+6,463.7%Added
Northern Trust Corp38,485$1.01M0.00%−7,851−16.9%Reduced
Paloma Partners Management Co33,407$880.0K0.04%+33,407New
PEAK6 Investments LLC32,592$859.0K0.02%+32,592New
JPMorgan Chase & Co32,195$848.0K0.00%−57,624−64.2%Reduced
Brinker Capital Investments, LLC18,687$730.0K0.01%00.0%Unchanged
Jump Financial, LLC26,600$701.0K0.05%+26,600New
D. E. Shaw & Co., Inc.25,652$676.0K0.00%−179,522−87.5%Reduced
Raymond James & Associates23,162$610.0K0.00%+9,223+66.2%Added
SEI Investments Co22,935$604.0K0.00%−2,225−8.8%Reduced
Jane Street Group, LLC20,348$536.0K0.00%+9,564+88.7%Added
ExodusPoint Capital Management, LP19,897$524.0K0.01%+8,540+75.2%Added
Envestnet Asset Management Inc19,065$502.0K0.00%+1,474+8.4%Added
Dynamic Technology Lab Private Ltd17,870$471.0K0.06%+17,870New
Wolverine Trading, LLC17,677$458.0K0.01%+17,677New
LPL Financial LLC17,569$422.0K0.00%+4,055+30.0%Added
Jasper Ridge Partners, L.P.15,817$417.0K0.02%+2,014+14.6%Added
Raymond James Financial Services Advisors, Inc.15,139$399.0K0.00%+15,139New
Zions Bancorporation, N.A.13,497$356.0K0.04%+1,507+12.6%Added
Bayesian Capital Management, LP12,100$319.0K0.09%+12,100New
Swiss National Bank11,900$314.0K0.00%−3,200−21.2%Reduced
Qube Research & Technologies Ltd11,199$295.0K0.00%+277+2.5%Added
Engineers Gate Manager LP10,989$290.0K0.02%+10,989New
Hamilton Lane Advisors LLC10,665$281.0K0.05%+10,665New
State of Michigan Retirement System10,461$276.0K0.00%+10,461New
Avidian Wealth Solutions, LLC10,000$264.0K0.02%+10,000New
Trexquant Investment LP9,990$263.0K0.02%+9,990New
Creative Planning9,691$255.0K0.00%+3,627+59.8%Added
Deutsche Bank AG9,642$254.0K0.00%00.0%Unchanged
Marshall Wace North America L.P.8,639$227.0K0.00%−184,773−95.5%Reduced
Oppenheimer & Co Inc8,095$213.0K0.00%+2,808+53.1%Added
Charles Schwab Investment Management Inc7,674$203.0K0.00%+7,674New
Signaturefd, LLC7,047$186.0K0.01%+7,047New
Simplex Trading, LLC4,824$177.0K0.01%+3+0.1%Added
Wells Fargo & Company6,591$174.0K0.00%+3,259+97.8%Added
Acadian Asset Management LLC6,462$169.0K0.00%+6,462New
Legal & General Group Plc5,854$155.0K0.00%+1,351+30.0%Added
NEXT Financial Group, Inc5,670$149.0K0.01%+2,300+68.2%Added
California State Teachers Retirement System4,405$116.0K0.00%+4,405New
UBS Group AG3,889$103.0K0.00%−132,873−97.2%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)3,492$92.0K0.00%+3,492New
Bank of America Corp3,269$86.0K0.00%+986+43.2%Added
Macquarie Group Ltd2,845$75.0K0.00%+2,845New
Guinness Atkinson Asset Management Inc2,550$67.0K0.03%+2,550New
Steward Partners Investment Advisory, LLC2,500$66.0K0.00%00.0%Unchanged
StepStone Group LP2,392$63.0K0.00%+2,392New
Banque Cantonale Vaudoise1,839$49.0K0.00%−377−17.0%Reduced
Advisor Group Holdings, Inc.1,467$38.0K0.00%+58+4.1%Added
Captrust Financial Advisors1,304$34.0K0.00%+304+30.4%Added
Dark Forest Capital Management LP1,234$33.0K0.01%+1,234New
Walleye Trading LLC1,152$30.0K0.00%+1,152New
Quantbot Technologies LP1,079$28.0K0.00%+1,079New
Leonteq Securities AG817$21.5K0.00%+817New
Northern Oak Wealth Management Inc800$21.0K0.00%+800New
Eaton Vance Management600$16.0K0.00%+600New
Ancora Advisors, LLC500$13.0K0.00%+500New
Newbridge Financial Services Group, Inc.500$13.0K0.01%+500New
Federation des caisses Desjardins du Quebec440$11.6K0.00%+440New
Patriot Financial Group Insurance Agency, LLC250$7.00K0.00%+250New
Citigroup Inc99$3.00K0.00%−211−68.1%Reduced
Adirondack Trust Co115$3.00K0.00%00.0%Unchanged
Benjamin F. Edwards & Company, Inc.100$3.00K0.00%00.0%Unchanged
NVWM, LLC100$3.00K0.00%00.0%Unchanged
American Portfolios Advisors100$2.63K0.00%−75−42.9%Reduced
Tower Research Capital LLC (TRC)76$2.00K0.00%−5,203−98.6%Reduced
Ellis Investment Partners, LLC100$2.00K0.00%+100New
Proequities, Inc.32$1.00K0.00%+32New
FMR LLC11$00.00%−120−91.6%Reduced