William Mack & Associates
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William Mack & Associates’s Organon & Co OGN Stock Holding History

William Mack & Associates’s Portfolio OGN Stock Details OGN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$398 Buy
+29
New +$395 ﹤0.01% 815

Other funds holding OGN

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Fidelity International
Fidelity International Hamilton, Bermuda $144B AUM 22.91% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Soros Fund Management
Soros Fund Management New York $8.51B AUM 25.51% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return

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

William Mack & Associates opened a new position in Organon & Co (OGN) in Q3 2026: 29 shares worth $398. The stake represents ﹤0.01% of the portfolio and ranks #815 among its holdings.

507 funds tracked by Wall St. Rank hold OGN as of Q3 2026.

  • William Mack & Associates held 29 shares of Organon & Co worth $398 as of Q3 2026.
  • Organon & Co was a new William Mack & Associates position in Q3 2026.
  • Organon & Co made up ﹤0.01% of William Mack & Associates's portfolio in Q3 2026, its #815 holding.
  • 507 funds tracked by Wall St. Rank held Organon & Co as of Q3 2026.

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