Pubmatic Inc. Class APUBM

13F holders, Q3 2025 (September 30)
150holders +2
28new positions
25sold out
4famous investors
$8.28avg. 13F price*

At the end of Q3 2025, 150 institutions reported holding Pubmatic Inc. Class A (PUBM) in their 13F filings, up 2 from Q2 2025. 28 opened new positions and 25 sold out. The largest holders were BlackRock, Inc. ($28.1M), Graham Holdings Co ($23.4M) and Vanguard Group Inc. ($20.7M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Pubmatic Inc. Class A
CUSIP
74467Q103
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200 Q1 2024: 179Q1 2024Q2 2024: 193Q2 2024Q3 2024: 167Q3 2024Q4 2024: 161Q4 2024Q1 2025: 157Q1 2025Q2 2025: 148Q2 2025Q3 2025: 150Q3 2025Q4 2025: 152Q4 2025Q1 2026: 153Q1 2026Q2 2026: 153Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions28$10.1M
Exits25$10.6M

All 13F filers, Q2 2025 → Q3 2025: 3,834,428 shares bought and 2,017,721 shares sold, net +1,816,707 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 150 holders

BlackRock, Inc. 0.00% Reduce -1.8% 3,387,978 $28.1M
Graham Holdings Co 2.35% No change 2,831,462 $23.4M
Vanguard Group Inc. 0.00% Reduce -4.3% 2,498,972 $20.7M
Wellington Management Group LLP 0.00% Add +10.1% 1,468,503 $12.2M
Dimensional Fund Advisors LP 0.00% Reduce -1.0% 1,466,388 $12.1M
Renaissance Technologies 0.01% Add +11.1% 1,355,600 $11.2M
Royal Bank of Canada 0.00% Add +12.8% 1,094,080 $9.1M
Geode Capital Management, LLC 0.00% Reduce -2.5% 961,490 $8.0M
State Street Corp. 0.00% Add +1.3% 927,234 $7.7M
Jacobs Levy Equity Management, Inc. 0.03% Reduce -3.0% 851,683 $7.1M
CenterBook Partners LP 0.31% Add +239.0% 748,460 $6.2M
Acadian Asset Management LLC 0.01% Add +9.5% 687,914 $5.7M
D. E. Shaw & Co. 0.00% Add +60.6% 572,475 $4.7M
UBS Group AG 0.00% Add +254.7% 422,630 $3.5M
Two Sigma Investments, LP 0.01% Add +146.7% 384,905 $3.2M
Nuveen, LLC 0.00% Reduce -5.3% 380,321 $3.1M
Acuitas Investments, LLC 1.89% Add +142.8% 355,651 $2.9M
JPMorgan Chase & Co. 0.00% Reduce -9.4% 348,185 $2.9M
Northern Trust Corp. 0.00% Reduce -0.1% 341,861 $2.8M
Citadel Advisors 0.00% Reduce -37.1% 313,128 $2.6M
Charles Schwab Investment Management Inc. 0.00% Reduce -12.5% 296,891 $2.5M
Goldman Sachs Group Inc. 0.00% Reduce -9.4% 296,503 $2.5M
Avestar Capital, LLC 0.17% Reduce -8.2% 280,000 $2.3M
Roubaix Capital, LLC 1.05% New 271,335 $2.2M
S Squared Technology, LLC 0.82% New 260,972 $2.2M
Panagora Asset Management Inc. 0.01% Add +0.8% 259,459 $2.1M
Millennium Management 0.00% Add +1067.6% 218,578 $1.8M
Manatuck Hill Partners, LLC 0.56% New 200,000 $1.7M
Susquehanna International Group, LLP 0.00% Reduce -4.6% 196,595 $1.6M
Two Sigma Advisers, LP 0.00% Add +526.0% 173,400 $1.4M
Morgan Stanley 0.00% Add +13.2% 159,621 $1.3M
Deutsche Bank AG 0.00% Add +2.6% 146,742 $1.2M
Pinnacle Holdings, LLC 0.45% Add +7.8% 138,822 $1.1M
Ameriprise Financial Inc. 0.00% Reduce -17.6% 138,005 $1.1M
Bank of New York Mellon Corp 0.00% Add +2.3% 135,916 $1.1M
Walleye Capital LLC 0.01% Add +46.0% 128,417 $1.1M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -10.3% 126,761 $1.0M
Barclays PLC 0.00% Add +1.9% 124,466 $1.0M
Algert Global LLC 0.02% Add +12.4% 122,574 $1.0M
P.A.W. Capital Corp. 1.80% New 120,000 $994K
American Century Companies Inc. 0.00% Reduce -15.4% 116,455 $964K
Leibman Financial Services, Inc. 0.66% Add +0.1% 104,824 $868K
Invesco Ltd. 0.00% Add +7.2% 87,928 $728K
Diversified Investment Strategies, LLC 0.46% Add +6.3% 85,000 $704K
Wells Fargo & Company 0.00% Add +21.3% 83,921 $695K
Bank of America Corp. 0.00% Reduce -21.9% 81,273 $673K
Franklin Resources Inc. 0.00% Add +30.7% 80,285 $665K
Connor, Clark & Lunn Investment Management Ltd. 0.00% Add +1.0% 77,044 $638K
Victory Capital Management Inc. 0.00% Reduce -29.7% 73,825 $611K
Swiss National Bank 0.00% No change 73,200 $606K
Walleye Trading LLC 0.01% Add +62.9% 70,567 $584K
Jane Street Group, LLC 0.00% Reduce -60.1% 68,923 $571K
Rhumbline Advisers 0.00% Reduce -5.4% 62,282 $516K
Voya Investment Management LLC 0.00% Add +391.0% 59,066 $489K
HSBC Holdings PLC 0.00% Add +23.4% 57,556 $478K
AlphaQuest LLC 0.03% Add +420.8% 57,528 $476K
Trexquant Investment LP 0.00% Reduce -77.9% 57,213 $474K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -54.5% 54,426 $451K
Public Employees Retirement System of Ohio 0.00% Add +60.5% 54,088 $448K
Legal & General Group Plc 0.00% Reduce -4.0% 46,318 $384K
Counterpoint Mutual Funds LLC 0.03% New 43,429 $360K
Russell Investments Group, Ltd. 0.00% Reduce -1.4% 42,189 $349K
Balyasny Asset Management L.P. 0.00% New 40,896 $339K
Brevan Howard Capital Management LP 0.00% New 40,577 $336K
Cardinal Point Capital Management ULC 0.02% New 39,500 $327K
California State Teachers Retirement System 0.00% Add +0.0% 36,779 $305K
Alliancebernstein L.P. 0.00% No change 36,200 $300K
T. Rowe Price Associates Inc. 0.00% Add +3.6% 35,312 $293K
Numerai GP LLC 0.04% New 34,719 $287K
Gsa Capital Partners LLP 0.02% Reduce -36.9% 32,116 $266K
STRS Ohio 0.00% No change 31,100 $258K
IMC-Chicago, LLC 0.00% New 30,356 $251K
Wolverine Trading, LLC 0.00% Add +22.6% 27,327 $231K
Fuller & Thaler Asset Management, Inc. 0.00% No change 27,835 $230K
MetLife Investment Management, LLC 0.00% No change 24,504 $203K
Janus Henderson Group PLC 0.00% No change 22,198 $184K
FourThought Financial Partners, LLC 0.02% New 22,085 $183K
Prelude Capital Management, LLC 0.01% New 21,268 $176K
Intech Investment Management LLC 0.00% Reduce -40.5% 21,167 $175K
Group One Trading LLC 0.01% New 20,716 $172K
SG Americas Securities, LLC 0.00% New 19,434 $161K
Sherbrooke Park Advisers LLC 0.07% New 19,301 $160K
ANTIPODES PARTNERS Ltd 0.00% New 19,065 $158K
Cetera Investment Advisers 0.00% Add +12.3% 18,777 $155K
Quantinno Capital Management LP 0.00% Reduce -3.1% 18,402 $152K
Aquatic Capital Management LLC 0.00% New 15,831 $131K
Diametric Capital, LP 0.05% Reduce -23.0% 15,789 $131K
Creative Planning 0.00% Reduce -29.9% 15,151 $125K
Jasper Ridge Partners, L.P. 0.00% No change 15,032 $124K
Diversified Trust Co. 0.00% Add +13.1% 14,704 $122K
Manufacturers Life Insurance Company, The 0.00% Reduce -7.9% 14,303 $118K
Police & Firemen's Retirement System of New Jersey 0.00% Add +25.6% 12,458 $103K
State Board of Administration of Florida Retirement System 0.00% No change 12,430 $103K
GWN Securities Inc. 0.02% Reduce -9.1% 12,045 $100K
Verition Fund Management LLC 0.00% Add +2.6% 12,023 $100K
New York State Common Retirement Fund 0.00% No change 11,752 $97K
Corton Capital Inc. 0.23% Reduce -32.7% 11,362 $94K
Arizona State Retirement System 0.00% Add +1.1% 11,305 $94K
BNP Paribas Financial Markets 0.00% Add +120.8% 8,875 $73K
KLP Kapitalforvaltning As 0.00% No change 7,200 $60K
Citigroup Inc. 0.00% Reduce -66.2% 6,346 $53K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 5,852 $48K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -2.2% 5,264 $44K
Ameritas Investment Partners, Inc. 0.00% No change 4,266 $35K
Tower Research Capital LLC (TRC) 0.00% Reduce -17.6% 4,020 $33K
Quantbot Technologies LP 0.00% Add +41.4% 3,038 $25K
Sterling Capital Management LLC 0.00% Add +155.6% 2,880 $24K
FMR LLC 0.00% Reduce -1.8% 2,825 $23K
Caitong International Asset Management Co., Ltd 0.01% Add +677.3% 2,534 $21K
Founders Capital Management 0.01% No change 2,000 $17K
US Bancorp \de 0.00% Reduce -88.0% 1,688 $14K
Amalgamated Bank 0.00% No change 1,448 $12K
Jones Financial Companies LLLP 0.00% No change 1,368 $11K
State of Alaska, Department of Revenue 0.00% New 1,267 $10K
Arax Advisory Partners 0.00% Add +506.9% 1,147 $9K
Banque Cantonale Vaudoise 0.00% No change 1,006 $8K
SBI Securities Co., Ltd. 0.00% Add +1.7% 887 $7K
Osaic Holdings, Inc. 0.00% Reduce -26.4% 707 $6K
Adirondack Trust Co. 0.00% No change 549 $5K
Nisa Investment Advisors, LLC 0.00% Reduce -70.2% 548 $5K
NFSG Corp 0.00% No change 500 $4K
Signaturefd, LLC 0.00% Add +16.5% 488 $4K
Quadrant Capital Group LLC 0.00% New 473 $4K
GAMMA Investing LLC 0.00% Reduce -30.8% 464 $4K
Advisory Services Network, LLC 0.00% New 434 $4K
Hantz Financial Services, Inc. 0.00% New 400 $3K
Cwm, LLC 0.00% Reduce -94.9% 302 $3K
Comerica Bank 0.00% Add +5.7% 355 $3K
Anchor Investment Management, LLC 0.00% New 350 $3K
National Bank of Canada 0.00% Add +3.0% 341 $3K
Geneos Wealth Management Inc. 0.00% No change 333 $3K
Parallel Advisors, LLC 0.00% No change 300 $2K
Allworth Financial LP 0.00% Reduce -8.5% 194 $2K
Rockefeller Capital Management L.P. 0.00% New 182 $2K
Larson Financial Group LLC 0.00% New 161 $1K
Optiver Holding B.V. 0.00% New 134 $1K
Smartleaf Asset Management LLC 0.00% No change 131 $1K
Atlantic Union Bankshares Corp 0.00% New 123 $1K
Main Street Group, LTD 0.00% No change 100 $828
Rothschild Investment LLC 0.00% Reduce -57.6% 70 $580
Hughes Financial Services, LLC 0.00% No change 60 $459
Northwestern Mutual Wealth Management Co. 0.00% Reduce -66.7% 50 $414
Missouri Trust & Investment Co 0.00% No change 30 $248
Measured Wealth Private Client Group, LLC 0.00% New 27 $224
Farther Finance Advisors, LLC 0.00% Reduce -51.2% 20 $166
Versant Capital Management, Inc 0.00% Reduce -98.8% 19 $157
PNC Financial Services Group, Inc. 0.00% New 16 $132
EverSource Wealth Advisors, LLC 0.00% Reduce -89.0% 13 $108
West Branch Capital LLC 0.00% No change 5 $57
Covestor Ltd 0.00% Reduce -93.2% 9 $0

"% of holder's portfolio" is PUBM's weight in each manager's 13F, not the share of Pubmatic Inc. Class A the manager owns.