PubMatic, Inc. - Class A Common Stock, par value $0.0001 per share (PUBM)

CUSIP: 74467Q103

Q3 2025 13F Holders as of 30 Sep 2025

Security type / class
Equity / Class A Common Stock, par value $0.0001 per share
Total 13F shares
27,616,926
Total 13F value
$228,672,580
Holder snapshot 6 visible 7 signals
Share change
+1,748,486
Put/Call ratio
54%
SEC-reported price per share
$8.28
Number of holders
149
Value change
+$10,672,256
Number of buys
75
Open additional details 1 more signal available
Number of sells
73
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
38,189,933

Security key

74467Q103

Report period

Q3 2025

Institutions

149

Top holders

10

PUBM full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2025 Previous quarter: Q2 2025 PubMatic, Inc. SEC filings PubMatic, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders 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. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Jun 2025
13F 13D/G Lead comparable stake: 6.5% 13D/G row: VANGUARD GROUP INC Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC leads the comparable SEC ownership view at 6.5%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD GROUP INC's linked filing trail.
Comparable ownership Top 5
VANGUARD GROUP INC 6.5%
BlackRock, Inc. 9%
Graham Holdings Co 7.4%
DIMENSIONAL FUND ADVISORS LP 3.9%
WELLINGTON MANAGEMENT GROUP LLP 3.5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
VANGUARD GROUP INC
13F 13D/G
Company · The Vanguard Group
13F 13D/G
6.5%
from 13D/G
$32,483,067
2,611,179 shares
 — 30 Jun 2025
BlackRock, Inc.
13F
Company
13F
9%
$42,917,265
3,449,941 shares
 — 30 Jun 2025
Graham Holdings Co
13F
Company
13F
7.4%
$35,223,000
2,831,462 shares
 — 30 Jun 2025
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
3.9%
$18,429,481
1,481,621 shares
 — 30 Jun 2025
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
13F
3.5%
$16,587,906
1,333,433 shares
 — 30 Jun 2025
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
3.2%
$15,175,556
1,219,900 shares
 — 30 Jun 2025
How to read this table

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.

13F holder rows

Institutional holders as of Q3 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
149
Shares
27,616,926
Rows available
149
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
148
Q3 2025 holders
149
Holder diff
1
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 value Q3 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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