William Mack & Associates’s Omnicom Group OMC Stock Holding History

William Mack & Associates’s Portfolio OMC Stock Details OMC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$1.1K	Buy	+15	New	+$1.22K	﹤0.01%	706

Other funds holding OMC

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $296B AUM 23.14% 1-Year Est. Return

First Eagle Investment Management New York $63.7B AUM 20.33% 1-Year Est. Return

William Mack & Associates's OMC Position: Q3 2026 in Review

William Mack & Associates opened a new position in Omnicom Group (OMC) in Q3 2026: 15 shares worth $1.1K. The stake represents ﹤0.01% of the portfolio and ranks #706 among its holdings.

924 funds tracked by Wall St. Rank hold OMC as of Q3 2026.

William Mack & Associates held 15 shares of Omnicom Group worth $1.1K as of Q3 2026.
Omnicom Group was a new William Mack & Associates position in Q3 2026.
Omnicom Group made up ﹤0.01% of William Mack & Associates's portfolio in Q3 2026, its #706 holding.
924 funds tracked by Wall St. Rank held Omnicom Group as of Q3 2026.

Based on William Mack & Associates's 13F filing for Q3 2026, filed 27 Oct 2026.