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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, Q1 2025

Institutional positions in PubMatic, Inc. as of Mar 31, 2025. 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
157
−2 vs. Q4 2024
Shares held
26.1M
+317.1K (+1.2%) vs. Q4 2024
Total value
$238.4M
−$140.3M (−37.0%) vs. Q4 2024
New holders
38
39 more added
Sold out
40
53 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 157 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 heldQ1 2025: $238.4M
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, Q1 2025

Shares, value and share of portfolio for each institution holding PubMatic, Inc.; share changes are against Q4 2024.

Institutions holding PUBM in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.3,452,096$31.6M0.00%−44,893−1.3%Reduced
Vanguard Group Inc3,413,603$31.2M0.00%−826,686−19.5%Reduced
Graham Holdings Co2,831,462$25.9M2.87%+500,000+21.4%Added
Dimensional Fund Advisors LP1,522,657$13.9M0.00%−11,061−0.7%Reduced
Renaissance Technologies LLC1,096,500$10.0M0.02%+33,000+3.1%Added
Wellington Management Group LLP1,077,921$9.85M0.00%+179,951+20.0%Added
Geode Capital Management, LLC936,739$8.56M0.00%−12,216−1.3%Reduced
State Street Corp930,670$8.51M0.00%−11,942−1.3%Reduced
Royal Bank of Canada903,617$8.26M0.00%−165,800−15.5%Reduced
Jacobs Levy Equity Management, Inc662,298$6.05M0.02%−20,766−3.0%Reduced
Nixon Capital, LLC628,753$5.75M1.99%+50,494+8.7%Added
Acadian Asset Management LLC457,033$4.17M0.01%+378,714+483.6%Added
D. E. Shaw & Co., Inc.451,910$4.13M0.00%+402,284+810.6%Added
Nuveen, LLC433,575$3.96M0.00%+433,575New
JPMorgan Chase & Co400,999$3.67M0.00%+174,671+77.2%Added
Northern Trust Corp359,408$3.28M0.00%−23,838−6.2%Reduced
Morgan Stanley358,785$3.28M0.00%−59,952−14.3%Reduced
Nordea Investment Management AB342,784$3.11M0.00%+2,240+0.7%Added
Charles Schwab Investment Management Inc327,370$2.99M0.00%−57,718−15.0%Reduced
Avestar Capital, LLC320,000$2.92M0.28%00.0%Unchanged
Trexquant Investment LP299,407$2.74M0.03%+175,017+140.7%Added
Goldman Sachs Group Inc285,936$2.61M0.00%−112,922−28.3%Reduced
Pacer Advisors, Inc.268,637$2.46M0.01%+268,637New
Qube Research & Technologies Ltd266,582$2.44M0.00%−157,231−37.1%Reduced
Panagora Asset Management Inc257,528$2.35M0.01%+30,043+13.2%Added
American Century Companies Inc233,697$2.14M0.00%−38,167−14.0%Reduced
Susquehanna International Group, LLP189,874$1.74M0.00%+162,285+588.2%Added
Deutsche Bank AG162,594$1.49M0.00%+67,477+70.9%Added
Mirae Asset Global ETFs Holdings Ltd.138,601$1.27M0.00%+314+0.2%Added
Citadel Advisors LLC127,001$1.16M0.00%−36,561−22.4%Reduced
Millennium Management LLC122,724$1.12M0.00%−238,657−66.0%Reduced
Bank of New York Mellon Corp120,926$1.11M0.00%−20,214−14.3%Reduced
Pinnacle Holdings, LLC113,736$1.04M0.40%+113,736New
Jane Street Group, LLC109,423$1.00M0.00%+21,824+24.9%Added
Cubist Systematic Strategies, LLC106,523$973.6K0.01%+104,552+5,304.5%Added
Barclays PLC102,592$937.7K0.00%+3,857+3.9%Added
Victory Capital Management Inc92,733$847.6K0.00%+21,065+29.4%Added
ExodusPoint Capital Management, LP90,699$829.0K0.01%+90,699New
UBS Asset Management Americas Inc80,593$736.6K0.00%−13,653−14.5%Reduced
Swiss National Bank75,900$693.7K0.00%−1,100−1.4%Reduced
Invesco Ltd.74,526$681.2K0.00%+23,902+47.2%Added
Leibman Financial Services, Inc.63,184$577.5K0.45%+6,494+11.5%Added
Franklin Resources Inc61,251$559.8K0.00%−509−0.8%Reduced
Wells Fargo & Company60,733$555.1K0.00%+1,167+2.0%Added
Rhumbline Advisers60,012$548.5K0.00%+1,341+2.3%Added
Engineers Gate Manager LP59,905$547.5K0.01%+59,905New
Verition Fund Management LLC59,630$545.0K0.00%+38,057+176.4%Added
Graham Capital Management, L.P.56,931$520.3K0.02%+10,636+23.0%Added
Algert Global LLC53,154$485.8K0.01%00.0%Unchanged
UBS Group AG53,070$485.1K0.00%−165,151−75.7%Reduced
Legal & General Group Plc48,970$447.6K0.00%00.0%Unchanged
Russell Investments Group, Ltd.46,247$422.7K0.00%−815−1.7%Reduced
Intech Investment Management LLC45,751$418.2K0.00%+18,329+66.8%Added
Janney Montgomery Scott LLC41,503$379.0K0.00%+41,503New
SEI Investments Co41,230$376.8K0.00%+41,230New
Alliancebernstein L.P.40,820$373.1K0.00%00.0%Unchanged
HSBC Holdings PLC40,571$371.2K0.00%+20,757+104.8%Added
Connor, Clark & Lunn Investment Management Ltd.39,209$358.4K0.00%−43,539−52.6%Reduced
Bank of America Corp38,513$352.0K0.00%−8,399−17.9%Reduced
CWM Advisors, LLC37,420$342.0K0.04%+10,282+37.9%Added
California State Teachers Retirement System36,777$336.1K0.00%00.0%Unchanged
Counterpoint Mutual Funds LLC35,714$326.4K0.05%+35,714New
Penbrook Management LLC35,445$324.0K0.24%+400+1.1%Added
Fuller & Thaler Asset Management, Inc.34,035$311.1K0.00%+34,035New
Nebula Research & Development LLC33,479$306.0K0.03%−500−1.5%Reduced
Citigroup Inc32,985$301.5K0.00%−2,493−7.0%Reduced
Price T Rowe Associates Inc31,259$286.0K0.00%+4,234+15.7%Added
STRS Ohio31,100$284.3K0.00%−8,600−21.7%Reduced
Dark Forest Capital Management LP29,356$268.3K0.01%+29,356New
Jain Global LLC28,248$258.2K0.01%+28,248New
Simplex Trading, LLC27,256$249.0K0.01%+27,256New
Gsa Capital Partners LLP25,227$231.0K0.02%+25,227New
Principal Financial Group Inc24,947$228.0K0.00%−231−0.9%Reduced
MetLife Investment Management24,504$224.0K0.00%−409−1.6%Reduced
Centiva Capital, LP23,125$211.4K0.01%+4,269+22.6%Added
Janus Henderson Group PLC22,198$206.1K0.00%00.0%Unchanged
Corebridge Financial, Inc.19,473$178.0K0.00%−1,317−6.3%Reduced
Marshall Wace, LLP19,143$175.0K0.00%+19,143New
Cetera Investment Advisers19,036$174.0K0.00%−3,484−15.5%Reduced
Man Group plc17,288$158.0K0.00%−19,311−52.8%Reduced
BNP Paribas Arbitrage, SA16,946$154.9K0.00%−12,382−42.2%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)16,931$154.7K0.00%+4,507+36.3%Added
Magnetar Financial LLC16,178$147.9K0.00%−12,558−43.7%Reduced
Jasper Ridge Partners, L.P.15,032$137.4K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The14,895$136.1K0.00%−412−2.7%Reduced
Quantinno Capital Management LP14,801$135.3K0.00%+14,801New
US Bancorp14,736$134.7K0.00%+2,591+21.3%Added
Squarepoint Ops LLC14,076$128.7K0.00%−42,094−74.9%Reduced
Quest Partners LLC13,825$126.4K0.01%−53,038−79.3%Reduced
Voya Investment Management LLC12,986$118.7K0.00%−952−6.8%Reduced
Diversified Trust Co12,937$118.2K0.00%+12,937New
State Board of Administration of Florida Retirement System12,430$113.6K0.00%00.0%Unchanged
Avantax Advisory Services, Inc.11,850$108.3K0.00%+11,850New
New York State Common Retirement Fund11,752$107.4K0.00%00.0%Unchanged
AQR Capital Management LLC11,268$103.0K0.00%−1,980−14.9%Reduced
Arizona State Retirement System11,212$102.5K0.00%−133−1.2%Reduced
Parallax Volatility Advisers, L.P.11,027$100.8K0.00%+8,798+394.7%Added
SG Americas Securities, LLC10,917$100.0K0.00%−4,413−28.8%Reduced
Intrepid Capital Management Inc10,000$91.4K0.04%00.0%Unchanged
Corton Capital Inc.10,000$91.4K0.30%+10,000New