Westchester Capital Management (New York)’s Organon & Co OGN Stock Holding History

Westchester Capital Management (New York)’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 Q2	$19.3M	Buy	+1,426,578	New	+$17.1M	0.95%	14

Other funds holding OGN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

PCM

Pentwater Capital Management Naples, Florida $16.4B AUM 55.44% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Man Group London, United Kingdom $62.7B AUM 29.77% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return

Westchester Capital Management (New York)'s OGN Position: Q2 2026 in Review

Westchester Capital Management (New York) opened a new position in Organon & Co (OGN) in Q2 2026: 1,426,578 shares worth $19.3M. The stake represents 0.95% of the portfolio and ranks #14 among its holdings.

627 funds tracked by Wall St. Rank hold OGN as of Q2 2026.

Westchester Capital Management (New York) held 1,426,578 shares of Organon & Co worth $19.3M as of Q2 2026.
Organon & Co was a new Westchester Capital Management (New York) position in Q2 2026.
Organon & Co made up 0.95% of Westchester Capital Management (New York)'s portfolio in Q2 2026, its #14 holding.
627 funds tracked by Wall St. Rank held Organon & Co as of Q2 2026.

Based on Westchester Capital Management (New York)'s 13F filing for Q2 2026, filed 14 Aug 2026.