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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, Q4 2023

Institutional positions in PubMatic, Inc. as of Dec 31, 2023. 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
148
+6 vs. Q3 2023
Shares held
21.9M
+1.28M (+6.2%) vs. Q3 2023
Total value
$357.5M
+$106.4M (+42.4%) vs. Q3 2023
New holders
28
50 more added
Sold out
22
37 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 holdersQ4 2023: 148 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 heldQ4 2023: $357.5M
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, Q4 2023

Shares, value and share of portfolio for each institution holding PubMatic, Inc.; share changes are against Q3 2023.

Institutions holding PUBM in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,231,678$69.0M0.00%−57,526−1.3%Reduced
BlackRock Inc.3,477,364$56.7M0.00%+224,141+6.9%Added
Graham Holdings Co1,973,314$32.2M4.66%00.0%Unchanged
Dimensional Fund Advisors LP1,555,199$25.4M0.01%+228,190+17.2%Added
Royal Bank of Canada1,064,655$17.4M0.00%+1,988+0.2%Added
State Street Corp989,943$16.1M0.00%+68,390+7.4%Added
Geode Capital Management, LLC930,042$15.2M0.00%+38,066+4.3%Added
Renaissance Technologies LLC814,800$13.3M0.02%+43,600+5.7%Added
Nixon Capital, LLC531,960$8.68M3.89%−4,634−0.9%Reduced
Mirae Asset Global Investments Co., Ltd.436,130$7.11M0.01%+35,286+8.8%Added
Northern Trust Corp396,763$6.47M0.00%+6,222+1.6%Added
Nuveen Asset Management, LLC386,096$6.30M0.00%−97,043−20.1%Reduced
Wellington Management Group LLP323,397$5.27M0.00%+17,497+5.7%Added
American Century Companies Inc286,344$4.67M0.00%−11,360−3.8%Reduced
Millennium Management LLC263,175$4.29M0.00%+263,175New
Susquehanna International Group, LLP230,709$3.76M0.01%+116,791+102.5%Added
Jacobs Levy Equity Management, Inc228,607$3.73M0.02%−14,674−6.0%Reduced
State of Wisconsin Investment Board197,501$3.22M0.01%+65,021+49.1%Added
Merit Financial Group, LLC175,896$2.87M0.09%+14,703+9.1%Added
Bank of New York Mellon Corp157,036$2.56M0.00%−17,056−9.8%Reduced
Panagora Asset Management Inc150,219$2.45M0.01%+87,435+139.3%Added
Goldman Sachs Group Inc138,553$2.26M0.00%+29,072+26.6%Added
Morgan Stanley119,912$1.96M0.00%+10,882+10.0%Added
Charles Schwab Investment Management Inc119,352$1.95M0.00%+160+0.1%Added
JPMorgan Chase & Co113,942$1.86M0.00%+84,221+283.4%Added
Jane Street Group, LLC112,574$1.84M0.00%−120,252−51.6%Reduced
QSV Equity Investors LLC90,990$1.48M1.44%+90,990New
Baader Bank INC90,142$1.47M0.13%+20,000+28.5%Added
Barclays PLC88,188$1.44M0.00%+55,322+168.3%Added
Swiss National Bank84,100$1.37M0.00%−1,300−1.5%Reduced
Invesco Ltd.80,703$1.32M0.00%+40,062+98.6%Added
Algert Global LLC79,720$1.30M0.05%+39,520+98.3%Added
Deutsche Bank AG75,691$1.23M0.00%+55,116+267.9%Added
Credit Suisse AG74,081$1.21M0.00%−19,342−20.7%Reduced
Cubist Systematic Strategies, LLC71,763$1.17M0.01%+71,763New
LPL Financial LLC68,904$1.12M0.00%+2,098+3.1%Added
Rhumbline Advisers68,901$1.12M0.00%+998+1.5%Added
Janus Henderson Group PLC63,591$1.04M0.00%+1,353+2.2%Added
Capital Impact Advisors, LLC62,830$1.02M1.35%+18,519+41.8%Added
UBS Asset Management Americas Inc60,624$988.8K0.00%−579−0.9%Reduced
Zions Bancorporation, N.A.57,559$938.8K0.06%+4,019+7.5%Added
Dark Forest Capital Management LP52,923$863.2K0.13%+52,923New
Bank of America Corp51,868$846.0K0.00%+15,997+44.6%Added
UBS Group AG50,446$822.8K0.00%+43,985+680.8%Added
Walleye Capital LLC48,812$796.1K0.01%+39,116+403.4%Added
Penbrook Management LLC46,810$763.5K0.51%−200−0.4%Reduced
Beacon Pointe Advisors, LLC46,791$763.2K0.01%−92−0.2%Reduced
California State Teachers Retirement System45,031$734.5K0.00%+1,647+3.8%Added
Walleye Trading LLC43,191$704.4K0.01%+37,926+720.3%Added
EFG Asset Management (North America) Corp.41,293$673.3K0.13%+41,293New
Alliancebernstein L.P.40,820$665.8K0.00%+3,830+10.4%Added
Moss Adams Wealth Advisors LLC40,000$652.4K0.14%00.0%Unchanged
Victory Capital Management Inc38,276$624.3K0.00%−8,674−18.5%Reduced
Legal & General Group Plc35,424$577.8K0.00%00.0%Unchanged
STRS Ohio33,700$549.0K0.00%+2,400+7.7%Added
Woodline Partners LP33,491$546.2K0.01%−9,619−22.3%Reduced
Dynamic Technology Lab Private Ltd28,773$469.0K0.05%+28,773New
D. E. Shaw & Co., Inc.28,184$459.7K0.00%+5,059+21.9%Added
Cantor Fitzgerald, L. P.28,048$457.5K0.10%−67,670−70.7%Reduced
Occudo Quantitative Strategies LP26,607$434.0K0.06%+26,607New
Principal Financial Group Inc26,418$430.9K0.00%+4,810+22.3%Added
Wells Fargo & Company25,258$412.0K0.00%−276−1.1%Reduced
MetLife Investment Management22,685$370.0K0.00%00.0%Unchanged
Versor Investments LP22,247$362.8K0.07%+3,073+16.0%Added
MidWestOne Financial Group, Inc.22,076$360.1K0.07%+414+1.9%Added
Ameriprise Financial Inc21,867$356.7K0.00%+4,567+26.4%Added
GTS Securities LLC21,846$356.3K0.01%+8,835+67.9%Added
American International Group, Inc.21,266$346.8K0.00%−86−0.4%Reduced
Price T Rowe Associates Inc20,750$339.0K0.00%+808+4.1%Added
XTX Topco Ltd20,618$336.3K0.07%+20,618New
Empowered Funds, LLC17,974$293.2K0.01%+612+3.5%Added
Voya Investment Management LLC17,271$281.7K0.00%−59−0.3%Reduced
New York State Common Retirement Fund17,069$278.4K0.00%−1,382−7.5%Reduced
Tudor Investment Corp Et Al16,648$271.5K0.00%+16,648New
Manufacturers Life Insurance Company, The16,567$270.2K0.00%−478−2.8%Reduced
Mercer Global Advisors Inc16,433$268.0K0.00%+2,282+16.1%Added
PEAK6 Investments LLC15,199$247.9K0.01%−23,593−60.8%Reduced
Fox Run Management, L.L.C.15,195$247.8K0.06%+15,195New
SkyOak Wealth, LLC15,072$245.8K0.06%−19,203−56.0%Reduced
Jasper Ridge Partners, L.P.15,032$245.2K0.01%00.0%Unchanged
State Board of Administration of Florida Retirement System14,777$241.0K0.00%00.0%Unchanged
Bayesian Capital Management, LP13,836$225.7K0.02%+13,836New
Balyasny Asset Management LLC13,287$216.7K0.00%+13,287New
Wealth Enhancement Advisory Services, LLC12,452$203.1K0.00%+12,452New
ExodusPoint Capital Management, LP11,981$195.0K0.00%−4,415−26.9%Reduced
Arizona State Retirement System11,924$194.5K0.00%+984+9.0%Added
QRG Capital Management, Inc.11,701$190.8K0.00%+11,701New
Public Employees Retirement System of Ohio11,700$190.8K0.00%00.0%Unchanged
Mesirow Financial Investment Management, Inc.12,326$186.7K0.01%00.0%Unchanged
Russell Investments Group, Ltd.10,737$175.1K0.00%+539+5.3%Added
Cresset Asset Management, LLC10,397$169.6K0.00%−244−2.3%Reduced
Intrepid Capital Management Inc10,000$163.1K0.11%00.0%Unchanged
Boston Private Wealth LLC10,000$163.1K0.00%+10,000New
Tower Research Capital LLC (TRC)9,527$155.4K0.00%+5,853+159.3%Added
Group One Trading, L.P.7,777$126.8K0.00%−21,601−73.5%Reduced
Pension & Wealth Management Advisors, Inc.7,262$118.4K0.07%00.0%Unchanged
Signaturefd, LLC7,130$116.3K0.00%−34−0.5%Reduced
Citigroup Inc6,038$98.5K0.00%+5,739+1,919.4%Added
Zurcher Kantonalbank (Zurich Cantonalbank)5,852$95.4K0.00%00.0%Unchanged
TFC Financial Management5,750$93.8K0.02%00.0%Unchanged