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PubMatic (PUBM) Institutional Ownership

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$18.42 0.00 (0.00%)
Closing price 10/2/2026 04:00 PM Eastern
Extended Trading
$18.48 +0.05 (+0.30%)
As of 10/2/2026 07:53 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for PubMatic (NASDAQ:PUBM)

Current
Institutional Ownership
Percentage
64.26%
Number of
Institutional Buyers
(last 12 months)
67
Total
Institutional Inflows
(last 12 months)
$56.70M
Number of
Institutional Sellers
(last 12 months)
33
Total
Institutional Outflows
(last 12 months)
$19.10M
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PUBM Institutional Buying and Selling by Quarter

PubMatic Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/2/2026 Versant Capital Management Inc10,060$188K0.0%-5.6%0.022%
9/9/2026WINTON GROUP Ltd16,900$222K0.0%+28.0%0.037%
9/9/2026Squarepoint Ops LLC62,137$815K0.0%+168.8%0.136%
8/18/2026Public Employees Retirement System of Ohio66,426$872K0.0%N/A0.146%
8/13/2026Pinnacle Holdings LLC158,250$2.08M0.6%N/A0.341%
8/6/2026Bank of New York Mellon Corp121,540$1.60M0.0%N/A0.262%
7/2/2026 Versant Capital Management Inc10,657$140K0.0%+30.4%0.023%
5/19/2026Bank of America Corp DE95,430$781K0.0%-4.6%0.205%
5/18/2026Royal Bank of Canada740,281$6.06M0.0%-14.2%1.594%
5/16/2026The Manufacturers Life Insurance Company10,637$87K0.0%-11.0%0.023%
5/16/2026Quantinno Capital Management LP206,815$1.69M0.0%+248.0%0.445%
5/14/2026Renaissance Technologies LLC1,540,533$12.60M0.0%+26.3%3.250%
5/14/2026Arrowstreet Capital Limited Partnership206,287$1.69M0.0%N/A0.435%
5/14/2026Sei Investments Co.15,773$129K0.0%N/A0.033%
5/14/2026State of Wyoming7,419$61K0.0%N/A0.016%
5/7/2026Meeder Asset Management Inc.19,822$162K0.0%N/A0.042%
5/7/2026Dimensional Fund Advisors LP1,245,359$10.19M0.0%-2.1%2.627%
5/5/2026Bank of New York Mellon Corp113,309$927K0.0%-6.6%0.239%
5/1/2026Diversified Investment Strategies LLC140,000$1.15M0.7%+40.0%0.295%
4/30/2026Hsbc Holdings PLC90,319$747K0.0%+39.8%0.191%
4/20/2026Cardinal Point Capital Management ULC71,500$585K0.0%+58.9%0.151%
4/16/2026Diversified Trust Co17,564$144K0.0%+20.8%0.037%
3/20/2026Hsbc Holdings PLC64,590$573K0.0%+12.2%0.139%
3/3/2026Caitong International Asset Management Co. Ltd4,449$39K0.0%+75.6%0.010%
2/19/2026Invesco Ltd.105,509$936K0.0%+20.0%0.227%
2/18/2026XTX Topco Ltd22,468$199K0.0%N/A0.048%
2/18/2026Wellington Management Group LLP1,170,952$10.39M0.0%-20.3%2.523%
2/18/2026Tudor Investment Corp ET AL100,637$893K0.0%N/A0.217%
2/18/2026Numerai GP LLC16,872$150K0.0%-51.4%0.036%
2/18/2026Millennium Management LLC918,127$8.14M0.0%+320.0%1.978%
2/18/2026Engineers Gate Manager LP28,640$254K0.0%N/A0.062%
2/18/2026Balyasny Asset Management L.P.54,440$483K0.0%+33.1%0.117%
2/18/2026Boothbay Fund Management LLC31,658$281K0.0%N/A0.068%
2/17/2026Schonfeld Strategic Advisors LLC107,854$957K0.0%N/A0.232%
2/17/2026Cetera Investment Advisers12,359$110K0.0%-34.2%0.027%
2/17/2026Trexquant Investment LP307,249$2.73M0.0%+437.0%0.662%
2/17/2026Price T Rowe Associates Inc. MD22,847$203K0.0%-35.3%0.049%
2/17/2026Public Employees Retirement System of Ohio66,426$589K0.0%+22.8%0.143%
2/17/2026ExodusPoint Capital Management LP69,654$618K0.0%N/A0.150%
2/17/2026Royal Bank of Canada863,188$7.66M0.0%-21.1%1.860%
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2/17/2026Graham Capital Management L.P.19,751$175K0.0%N/A0.043%
2/17/2026Magnetar Financial LLC35,098$311K0.0%N/A0.076%
2/16/2026Squarepoint Ops LLC67,741$601K0.0%N/A0.146%
2/16/2026Panagora Asset Management Inc.273,312$2.42M0.0%+5.3%0.589%
2/16/2026S Squared Technology LLC280,972$2.49M1.0%+7.7%0.605%
2/16/2026Barclays PLC126,189$1.12M0.0%+1.4%0.272%
2/13/2026Marshall Wace LLP145,345$1.29M0.0%N/A0.313%
2/13/2026The Manufacturers Life Insurance Company 11,956$106K0.0%-16.4%0.026%
2/13/2026Quarry LP3,387$30K0.0%N/A0.007%
2/13/2026Jacobs Levy Equity Management Inc.929,249$8.24M0.0%+9.1%2.002%
2/13/2026Charles Schwab Investment Management Inc.300,280$2.66M0.0%+1.1%0.647%
2/13/2026State Street Corp830,003$7.36M0.0%-10.5%1.788%
2/13/2026Dynamic Technology Lab Private Ltd73,523$652K0.1%N/A0.158%
2/13/2026Caitong International Asset Management Co. Ltd4,449$39K0.1%+75.6%0.010%
2/13/2026Wells Fargo & Company MN81,994$727K0.0%-2.3%0.177%
2/12/2026HRT Financial LP31,040$275K0.0%N/A0.067%
2/12/2026Brooklyn Investment Group26,879$241K0.0%-8.0%0.058%
2/12/2026Renaissance Technologies LLC1,219,333$10.82M0.0%-10.1%2.627%
2/12/2026Dimensional Fund Advisors LP1,271,950$11.28M0.0%-13.3%2.740%
2/12/2026Pinnacle Holdings LLC142,904$1.27M0.4%+2.9%0.308%
2/12/2026Nuveen LLC82,378$731K0.0%-78.3%0.177%
2/11/2026GWN Securities Inc.17,468$155K0.0%+45.0%0.038%
2/11/2026Deutsche Bank AG145,217$1.29M0.0%-1.0%0.313%
2/11/2026Fox Run Management L.L.C.61,461$545K0.1%N/A0.132%
2/11/2026Franklin Resources Inc.93,925$833K0.0%+17.0%0.202%
2/11/2026CenterBook Partners LP1,147,055$10.17M0.5%+53.3%2.471%
2/11/2026WINTON GROUP Ltd29,692$263K0.0%N/A0.064%
2/10/2026Avestar Capital LLC150,000$1.33M0.1%-46.4%0.323%
2/10/2026Goldman Sachs Group Inc.249,486$2.21M0.0%-15.9%0.537%
2/10/2026P.A.W. Capital Corp80,000$710K1.5%-33.3%0.172%
2/10/2026Savant Capital LLC12,351$110K0.0%N/A0.027%
2/10/2026Intech Investment Management LLC18,603$165K0.0%-12.1%0.040%
2/9/2026Geode Capital Management LLC905,941$8.04M0.0%-5.8%1.952%
2/9/2026Diversified Investment Strategies LLC100,000$887K0.6%+17.6%0.215%
2/5/2026Allworth Financial LP25,103$223K0.0%+12,839.7%0.054%
2/5/2026Cardinal Point Capital Management ULC45,000$399K0.0%+13.9%0.097%
2/4/2026Simcoe Capital LLC408,690$3.63M3.4%N/A0.880%
2/4/2026Versor Investments LP13,000$115K0.0%N/A0.028%
1/30/2026M&T Bank Corp10,221$91K0.0%N/A0.022%
1/9/2026SG Americas Securities LLC16,408$146K0.0%-15.6%0.035%
1/6/2026Leibman Financial Services Inc.115,610$1.03M0.7%+10.3%0.249%
1/1/2026JPMorgan Chase & Co.348,185$2.88M0.0%-9.4%0.750%
11/18/2025Acuitas Investments LLC355,651$2.95M1.9%+142.8%0.778%
11/17/2025Jacobs Levy Equity Management Inc.851,683$7.05M0.0%-3.0%1.863%
11/17/2025Sherbrooke Park Advisers LLC19,301$160K0.1%N/A0.042%
11/17/2025Prelude Capital Management LLC21,268$176K0.0%N/A0.047%
11/17/2025Public Employees Retirement System of Ohio54,088$448K0.0%+60.5%0.118%
11/17/2025Numerai GP LLC34,719$287K0.0%N/A0.076%
11/17/2025Millennium Management LLC218,578$1.81M0.0%+1,067.6%0.478%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.126,761$1.05M0.0%-10.3%0.277%
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11/17/2025Brevan Howard Capital Management LP40,577$336K0.0%N/A0.089%
11/17/2025Bank of America Corp DE81,273$673K0.0%-21.9%0.178%
11/17/2025Aquatic Capital Management LLC15,831$131K0.0%N/A0.035%
11/17/2025Algert Global LLC122,574$1.02M0.0%+12.4%0.268%
11/17/2025Ameriprise Financial Inc.138,005$1.14M0.0%-17.6%0.302%
11/14/2025Brooklyn Investment Group29,224$242K0.0%+2,802.1%0.064%
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC54,426$451K0.0%-54.5%0.119%
11/14/2025Two Sigma Investments LP384,905$3.19M0.0%+146.7%0.842%
11/14/2025Wellington Management Group LLP1,468,503$12.16M0.0%+10.1%3.212%
11/13/2025UBS Group AG422,630$3.50M0.0%+254.7%0.924%


PUBM Institutional Ownership - Frequently Asked Questions

During the previous two years, 159 institutional investors and hedge funds held shares of PubMatic. The most heavily invested institutionals were Graham Holdings Co ($25.88M), Vanguard Group Inc. ($20.69M), Renaissance Technologies LLC ($12.60M), Wellington Management Group LLP ($10.39M), Dimensional Fund Advisors LP ($10.19M), CenterBook Partners LP ($10.17M), and Jacobs Levy Equity Management Inc. ($8.24M).Learn more on PubMatic's institutional investors.

64.26% of PubMatic's stock is owned by institutional investors. Learn more on PUBM's institutional investor holdings.

Of the 136 institutional investors that purchased PubMatic's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: CenterBook Partners LP ($1.15M), Wellington Management Group LLP ($1.13M), Millennium Management LLC ($1.06M), Acadian Asset Management LLC ($549.82K), Graham Holdings Co ($500K), Trexquant Investment LP ($467.17K), and Nuveen LLC ($433.58K).

Institutional investors have bought a total of 6,424,175 shares in the last 24 months. This purchase volume represents approximately $56.70M in transactions.

Of the 33 institutional investors that sold PubMatic's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Royal Bank of Canada ($353.80K), Nuveen LLC ($297.94K), Wellington Management Group LLP ($297.55K), Dimensional Fund Advisors LP ($236.26K), Avestar Capital LLC ($155K), Renaissance Technologies LLC ($136.27K), and Vanguard Group Inc. ($112.21K).

Institutional investors have sold a total of 2,195,662 shares in the last 24 months. This volume of shares sold represents approximately $19.10M in transactions.


Related Companies

Institutional ownership data for NASDAQ:PUBM is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 10/2/2026. New 13F filings are added each quarter as they're published.
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