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Equibles

Graham Holdings Co

Position in PUBM — PubMatic, Inc.

CIK 104889 ARLINGTON, VA
Back to PUBM Full portfolio

Position in PUBM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$44,593,620
+$16,790,586 QoQ
Shares Held
3,398,904
0.0% QoQ
Ownership
7.46%
of shares outstanding
% of Portfolio
4.12%
of 13F equity value
Holder Rank
#1
of 152 holders
Holding Since
Jun 2022
17 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PUBM Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Jun 30, 2026

Graham Holdings Co holds $44,593,620 across 1 Software - Application name. PUBM ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 PUBM
PubMatic, Inc.
This page 		3,398,904 $44,593,620

All Filings in PUBM

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17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $44,593,620 3,398,904
2026-03-31 $27,803,034 3,398,904
2025-12-31 $25,115,067 2,831,462
2025-09-30 $23,444,505 2,831,462
2025-06-30 $35,223,387 2,831,462
2025-03-31 $25,879,562 2,831,462
2024-12-31 $34,249,176 2,331,462
2024-09-30 $34,668,839 2,331,462
2024-06-30 $40,078,007 1,973,314
2024-03-31 $46,807,008 1,973,314
2023-12-31 $32,184,751 1,973,314
2023-09-30 $23,877,099 1,973,314
2023-06-30 $36,072,179 1,973,314
2023-03-31 $27,271,199 1,973,314
2022-12-31 $20,839,448 1,626,811
2022-09-30 $17,990,516 1,081,811
2022-06-30 $13,536,611 851,895