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Chesley Taft & Associates LLC

Position in OMC — Omnicom Group Inc.

CIK 1164632 CHICAGO, IL

Position in OMC

as of Jun 30, 2026 · filed Jul 8, 2026
Position Value
$1,186,619
-$25,194 QoQ
Shares Held
16,293
+1.3% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#430
of 1,094 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OMC Over Time

Shares Held

Position Value (USD)

Position in Advertising Agencies

Communication Services · as of Jun 30, 2026

Chesley Taft & Associates LLC holds $1,186,619 across 1 Advertising Agencies name. OMC ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 OMC
Omnicom Group Inc.
This page
16,293 $1,186,619

All Filings in OMC

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,186,619 16,293
2026-03-31 $1,211,813 16,091
2025-12-31 $1,193,565 14,781
2025-09-30 $1,154,464 14,160
2025-06-30 $1,595,773 22,182
2025-03-31 $1,918,951 23,145
2024-12-31 $1,995,697 23,195
2024-09-30 $2,408,470 23,295
2024-06-30 $1,737,489 19,370
2024-03-31 $1,886,820 19,500
2023-12-31 $1,249,204 14,440
2023-09-30 $1,076,236 14,450
2023-06-30 $1,403,462 14,750
2023-03-31 $1,478,024 15,667
2022-12-31 $1,237,172 15,167
2022-09-30 $919,032 14,567
2022-06-30 $926,606 14,567
2022-03-31 $1,236,446 14,567
2021-12-31 $1,070,987 14,617
2021-09-30 $1,059,147 14,617
2021-06-30 $1,177,212 14,717
2021-03-31 $1,091,265 14,717
2020-12-31 $917,899 14,717
2020-09-30 $733,441 14,817
2020-06-30 $791,154 14,490
2020-03-31 $781,776 14,240