DEAN INVESTMENT ASSOCIATES, LLC OMC Omnicom Group Inc CS

Ownership history in DEAN INVESTMENT ASSOCIATES, LLC  ·  41 quarters on record

AI Ownership Summary

DEAN INVESTMENT ASSOCIATES, LLC reported Omnicom Group Inc CS (OMC) in 41 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.29% in 2025 Q3. The latest visible filing shows OMC at 1.18% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this OMC ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was DEAN INVESTMENT ASSOCIATES, LLC's position in Omnicom Group Inc CS, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

OMC was reported at 1.18% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.29% in 2025 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How DEAN INVESTMENT ASSOCIATES, LLC held OMC — position size vs. price
% of Fund (quarterly)    OMC price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED 111,601 +77 +0.1% 1.18% $8.4M 2026-05-15 $70.08
2025 Q4 REDUCED 111,524 -1,060 -0.9% 1.29% $9.0M 2026-02-17 $66.60
2025 Q3 ADDED 112,584 +35,241 +45.6% 1.29% $9.2M 2025-11-14 $70.07
2025 Q2 ADDED 77,343 +41,869 +118.0% 0.82% $5.6M 2025-08-12 $70.83
2025 Q1 REDUCED 35,474 -14 -0.0% 0.43% $2.9M 2025-05-13 $73.71
2024 Q4 ADDED 35,488 +1,158 +3.4% 0.44% $3.1M 2025-02-13 $77.37
2024 Q3 REDUCED 49.8% -16.3% 34,330 -34,044 -49.8% 0.48% $3.5M 2024-11-15 $90.73
2024 Q2 ADDED 68,374 +3,596 +5.6% 0.87% $6.1M 2024-08-13 $87.83
2024 Q1 REDUCED 64,778 -356 -0.5% 0.86% $6.3M 2024-05-14 $89.16
2023 Q4 REDUCED 65,134 -639 -1.0% 0.81% $5.6M 2024-02-09 $77.50
31 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About DEAN INVESTMENT ASSOCIATES, LLC and OMC

These are the practical questions this page is built to answer before you even open the full history table.

How long has DEAN INVESTMENT ASSOCIATES, LLC reported owning OMC?

DEAN INVESTMENT ASSOCIATES, LLC reported OMC across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported OMC position in DEAN INVESTMENT ASSOCIATES, LLC's portfolio?

The largest reported portfolio weight for OMC was 1.29% in 2025 Q3.

What is the latest reported OMC position on this page?

The most recent filing on this page is 2026 Q1, when DEAN INVESTMENT ASSOCIATES, LLC reported 111,601 shares, equal to 1.18% of portfolio, with an estimated market value of $8.4M.

What does the chart on this OMC ownership page compare?

The chart compares DEAN INVESTMENT ASSOCIATES, LLC's quarterly OMC portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did DEAN INVESTMENT ASSOCIATES, LLC time their OMC position?

Based on 13F filing dates vs. subsequent OMC price moves, DEAN INVESTMENT ASSOCIATES, LLC correctly timed 17 out of 40 reported position changes (42%). The annualised alpha on OMC relative to SPY over the holding period was -8.0%.

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