Security key
74467Q103
PubMatic, Inc. - Class A Common Stock, par value $0.0001 per share (PUBM)
CUSIP: 74467Q103
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Class A Common Stock, par value $0.0001 per share
- Shares outstanding
- 38,189,933
- Total 13F shares
- 28,841,751
- Share change
- +1,140,947
- Total reported value
- $235,954,224
- Put/Call ratio
- 129%
- Price per share
- $8.18
- Number of holders
- 153
- Value change
- +$7,579,917
- Number of buys
- 88
- Number of sells
- 69
Report period
Q1 2026
Institutions
153
Top holders
10
PUBM full security history
Previous quarter: Q4 2025
PubMatic, Inc. SEC filings
PubMatic, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 74467Q103
Recent filing periods:
Top shareholders of PUBM - PubMatic, Inc. - Class A Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Graham Holdings Co |
13D/G
13F
|
Graham Holdings Company · Company |
8.9%
|
3,398,904
|
$27,803,035 | +$4,641,676 | 31 Mar 2026 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
7.1%
from 13D/G
|
3,123,167
|
$27,702,491 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13D/G
13F
|
The Vanguard Group · Company |
6.5%
|
2,611,179
|
$32,483,067 | -$9,982,155 | 30 Jun 2025 | |
| Nikhil Ramesh Mehta |
3/4/5
|
Director |
0.05%
|
18,022
mixed-class rows
|
$275,217 | — | 30 May 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
3.3%
|
1,271,950
|
$11,282,650 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
3.2%
|
1,219,333
|
$10,815,484 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
3.1%
|
1,170,952
|
$10,386,344 | — | 31 Dec 2025 | |
| CenterBook Partners LP |
13F
|
Company |
3%
|
1,147,055
|
$10,174,378 | — | 31 Dec 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
2.4%
|
929,249
|
$8,242,439 | — | 31 Dec 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
2.4%
|
926,371
|
$8,212,000 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
2.4%
|
918,127
|
$8,143,786 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
905,941
|
$8,037,533 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
2.3%
|
863,188
|
$7,656,000 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.2%
|
830,003
|
$7,362,127 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
1.4%
|
546,493
|
$4,847,393 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.2%
|
474,180
|
$4,205,977 | — | 31 Dec 2025 | |
| Simcoe Capital LLC |
13F
|
Company |
1.1%
|
408,690
|
$3,625,080 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.84%
|
320,392
|
$2,841,880 | — | 31 Dec 2025 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.82%
|
314,634
|
$2,791,000 | — | 31 Dec 2025 | |
| Trexquant Investment LP |
13F
|
Company |
0.8%
|
307,249
|
$2,725,299 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.79%
|
300,280
|
$2,663,484 | — | 31 Dec 2025 | |
| S SQUARED TECHNOLOGY, LLC |
13F
|
Company |
0.74%
|
280,972
|
$2,492,222 | — | 31 Dec 2025 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.72%
|
273,312
|
$2,424,277 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.71%
|
269,533
|
$2,390,757 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.7%
|
266,143
|
$2,360,689 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.65%
|
249,486
|
$2,212,941 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.54%
|
206,774
|
$1,834,086 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.48%
|
182,600
|
$1,619,662 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.42%
|
161,867
|
$1,435,761 | — | 31 Dec 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.42%
|
158,914
|
$1,409,567 | — | 31 Dec 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.41%
|
156,573
|
$1,388,803 | — | 31 Dec 2025 | |
| Avestar Capital, LLC |
13F
|
Company |
0.39%
|
150,000
|
$1,330,500 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.38%
|
145,345
|
$1,289,210 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.38%
|
145,217
|
$1,288,075 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.38%
|
144,293
|
$1,279,879 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.38%
|
143,783
|
$1,275,355 | — | 31 Dec 2025 | |
| Pinnacle Holdings, LLC |
13F
|
Company |
0.37%
|
142,904
|
$1,267,558 | — | 31 Dec 2025 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
0.35%
|
132,163
|
$1,172,286 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.33%
|
126,189
|
$1,119,296 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.32%
|
121,350
|
$1,076,376 | — | 31 Dec 2025 | |
| Leibman Financial Services, Inc. |
13F
|
Company |
0.3%
|
115,610
|
$1,025,461 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.3%
|
114,120
|
$1,012,244 | — | 31 Dec 2025 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
0.28%
|
107,854
|
$956,662 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.28%
|
105,509
|
$935,865 | — | 31 Dec 2025 | |
| TUDOR INVESTMENT CORP ET AL |
13F
|
Company |
0.26%
|
100,637
|
$892,650 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.26%
|
100,010
|
$887,089 | — | 31 Dec 2025 | |
| Diversified Investment Strategies, LLC |
13F
|
Company |
0.26%
|
100,000
|
$887,000 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.25%
|
94,931
|
$842,038 | — | 31 Dec 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.25%
|
93,925
|
$833,115 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.22%
|
82,378
|
$730,693 | — | 31 Dec 2025 |
Institutional Holders of PubMatic, Inc. - Class A Common Stock, par value $0.0001 per share (PUBM) as of Q1 2026
As of 31 Mar 2026,
PubMatic, Inc. - Class A Common Stock, par value $0.0001 per share (PUBM) was held by
153 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
28,841,751 shares.
The largest 10 holders included
Graham Holdings Co, BlackRock, Inc., CenterBook Partners LP, VANGUARD CAPITAL MANAGEMENT LLC, ACADIAN ASSET MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC, DIMENSIONAL FUND ADVISORS LP, GEODE CAPITAL MANAGEMENT, LLC, JACOBS LEVY EQUITY MANAGEMENT, INC, and STATE STREET CORP.
This page lists
153
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
151
Q1 2026 holders
153
Holder diff
2
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.