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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 2024

Institutional positions in PubMatic, Inc. as of Mar 31, 2024. 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
179
+32 vs. Q4 2023
Shares held
24.5M
+2.57M (+11.7%) vs. Q4 2023
Total value
$576.7M
+$219.2M (+61.3%) vs. Q4 2023
New holders
53
51 more added
Sold out
21
48 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 179 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 2024: $576.7M
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 2024

Shares, value and share of portfolio for each institution holding PubMatic, Inc.; share changes are against Q4 2023.

Institutions holding PUBM in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,254,391$100.9M0.00%+22,713+0.5%Added
BlackRock Inc.3,356,063$79.6M0.00%−121,301−3.5%Reduced
Graham Holdings Co1,973,314$46.8M5.89%00.0%Unchanged
Dimensional Fund Advisors LP1,562,558$37.1M0.01%+7,359+0.5%Added
Royal Bank of Canada1,113,908$26.4M0.01%+49,253+4.6%Added
State Street Corp971,616$23.0M0.00%−18,327−1.9%Reduced
Geode Capital Management, LLC946,412$22.5M0.00%+16,370+1.8%Added
Renaissance Technologies LLC923,000$21.9M0.03%+108,200+13.3%Added
Nixon Capital, LLC548,245$13.0M5.01%+16,285+3.1%Added
Marshall Wace, LLP475,948$11.3M0.02%+475,948New
Jacobs Levy Equity Management, Inc440,127$10.4M0.05%+211,520+92.5%Added
Nuveen Asset Management, LLC427,137$10.1M0.00%+41,041+10.6%Added
Northern Trust Corp376,016$8.92M0.00%−20,747−5.2%Reduced
American Century Companies Inc290,127$6.88M0.00%+3,783+1.3%Added
Gratus Capital LLC280,902$6.66M0.31%+280,902New
Morgan Stanley251,637$5.97M0.00%+131,725+109.9%Added
Susquehanna International Group, LLP250,902$5.95M0.01%+20,193+8.8%Added
Invesco Ltd.250,553$5.94M0.00%+169,850+210.5%Added
Mirae Asset Global Investments Co., Ltd.412,945$5.59M0.01%−23,185−5.3%Reduced
Wellington Management Group LLP232,976$5.53M0.00%−90,421−28.0%Reduced
Panagora Asset Management Inc213,041$5.05M0.03%+62,822+41.8%Added
Hillsdale Investment Management Inc.198,600$4.71M0.37%+198,600New
Balyasny Asset Management LLC189,576$4.50M0.01%+176,289+1,326.8%Added
Cubist Systematic Strategies, LLC171,661$4.07M0.05%+99,898+139.2%Added
Voloridge Investment Management, LLC161,780$3.84M0.01%+161,780New
State of Wisconsin Investment Board157,974$3.75M0.01%−39,527−20.0%Reduced
EAM Investors, LLC152,049$3.61M0.57%+152,049New
Goldman Sachs Group Inc146,474$3.47M0.00%+7,921+5.7%Added
Bank of New York Mellon Corp144,422$3.43M0.00%−12,614−8.0%Reduced
Algert Global LLC143,853$3.41M0.13%+64,133+80.4%Added
Russell Investments Group, Ltd.126,037$2.99M0.00%+115,300+1,073.9%Added
Tudor Investment Corp Et Al125,666$2.98M0.04%+109,018+654.8%Added
LPL Financial LLC121,474$2.88M0.00%+52,570+76.3%Added
Fuller & Thaler Asset Management, Inc.117,640$2.79M0.01%+117,640New
Trexquant Investment LP117,523$2.79M0.06%+117,523New
Charles Schwab Investment Management Inc112,760$2.67M0.00%−6,592−5.5%Reduced
QSV Equity Investors LLC91,052$2.16M2.08%+62+0.1%Added
JPMorgan Chase & Co89,967$2.13M0.00%−23,975−21.0%Reduced
Walleye Capital LLC85,356$2.02M0.02%+36,544+74.9%Added
Swiss National Bank82,100$1.95M0.00%−2,000−2.4%Reduced
Barclays PLC78,757$1.87M0.00%−9,431−10.7%Reduced
Deutsche Bank AG76,223$1.81M0.00%+532+0.7%Added
EFG Asset Management (North America) Corp.75,611$1.79M0.31%+34,318+83.1%Added
Rhumbline Advisers68,427$1.62M0.00%−474−0.7%Reduced
Jackson Creek Investment Advisors LLC67,211$1.59M0.57%+67,211New
Man Group plc64,785$1.54M0.00%+64,785New
Zions Bancorporation, N.A.63,973$1.52M0.11%+6,414+11.1%Added
UBS Asset Management Americas Inc63,709$1.51M0.00%+3,085+5.1%Added
Ameriprise Financial Inc62,026$1.47M0.00%+40,159+183.7%Added
Los Angeles Capital Management LLC59,513$1.41M0.00%+59,513New
Dark Forest Capital Management LP56,876$1.35M0.23%+3,953+7.5%Added
Walleye Trading LLC55,961$1.33M0.02%+12,770+29.6%Added
UBS Group AG55,570$1.32M0.00%+5,124+10.2%Added
Capital Impact Advisors, LLC54,187$1.29M1.67%−8,643−13.8%Reduced
CWM Advisors, LLC52,674$1.25M0.13%+52,674New
Credit Suisse AG51,469$1.22M0.00%−22,612−30.5%Reduced
Beacon Pointe Advisors, LLC46,784$1.11M0.01%−70.0%Reduced
Penbrook Management LLC46,510$1.10M0.68%−300−0.6%Reduced
Legal & General Group Plc45,128$1.07M0.00%+9,704+27.4%Added
Wells Fargo & Company43,382$1.03M0.00%+18,124+71.8%Added
Jane Street Group, LLC42,017$996.6K0.00%−70,557−62.7%Reduced
California State Teachers Retirement System41,614$987.1K0.00%−3,417−7.6%Reduced
Alliancebernstein L.P.40,820$968.3K0.00%00.0%Unchanged
Moss Adams Wealth Advisors LLC40,000$948.8K0.15%00.0%Unchanged
Victory Capital Management Inc36,176$858.1K0.00%−2,100−5.5%Reduced
Sigma Planning Corp35,000$830.2K0.03%+35,000New
Qube Research & Technologies Ltd31,409$745.0K0.00%+31,409New
Public Employees Retirement System of Ohio29,207$692.8K0.00%+17,507+149.6%Added
Verition Fund Management LLC28,881$685.1K0.01%+28,881New
Counterpoint Mutual Funds LLC28,858$684.5K0.17%+28,858New
Investment House LLC28,656$679.7K0.04%+28,656New
STRS Ohio28,500$676.0K0.00%−5,200−15.4%Reduced
Teacher Retirement System of Texas27,846$661.0K0.00%+27,846New
Principal Financial Group Inc26,342$624.8K0.00%−76−0.3%Reduced
Calamos Advisors LLC25,517$605.3K0.00%+25,517New
MidWestOne Financial Group, Inc.24,715$586.2K0.11%+2,639+12.0%Added
Bank of America Corp24,434$579.6K0.00%−27,434−52.9%Reduced
SEI Investments Co24,131$572.4K0.00%+24,131New
Jump Financial, LLC23,877$566.4K0.02%+23,877New
MetLife Investment Management22,685$538.1K0.00%00.0%Unchanged
Janus Henderson Group PLC22,405$531.1K0.00%−41,186−64.8%Reduced
Price T Rowe Associates Inc22,311$530.0K0.00%+1,561+7.5%Added
Fox Run Management, L.L.C.21,647$513.5K0.11%+6,452+42.5%Added
Baader Bank INC21,617$512.8K0.04%−68,525−76.0%Reduced
Alpha DNA Investment Management LLC20,560$487.7K0.27%+20,560New
American International Group, Inc.20,550$487.4K0.00%−716−3.4%Reduced
Versor Investments LP20,509$486.5K0.10%−1,738−7.8%Reduced
Empowered Funds, LLC19,606$465.1K0.01%+1,632+9.1%Added
Two Sigma Investments, LP19,427$460.8K0.00%+19,427New
Woodline Partners LP18,788$445.7K0.00%−14,703−43.9%Reduced
D. E. Shaw & Co., Inc.17,285$410.0K0.00%−10,899−38.7%Reduced
New York State Common Retirement Fund16,916$401.2K0.00%−153−0.9%Reduced
Corton Capital Inc.16,217$384.7K0.14%+16,217New
GTS Securities LLC15,887$376.8K0.01%−5,959−27.3%Reduced
Mercer Global Advisors Inc15,663$372.0K0.00%−770−4.7%Reduced
Manufacturers Life Insurance Company, The15,528$368.3K0.00%−1,039−6.3%Reduced
Jasper Ridge Partners, L.P.15,032$356.6K0.01%00.0%Unchanged
Occudo Quantitative Strategies LP15,008$356.0K0.06%−11,599−43.6%Reduced
Centiva Capital, LP14,532$344.7K0.02%+14,532New
Voya Investment Management LLC14,100$334.5K0.00%−3,171−18.4%Reduced