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Water Island Capital’s Organon & Co OGN Stock Holding History

Water Island Capital’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 		$18.6M Buy
+1,374,899
New +$16.4M 1.73% 26

Other funds holding OGN

BlackRock
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
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Man Group
Man Group London, United Kingdom $62.7B AUM 29.77% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return

Water Island Capital's OGN Position: Q2 2026 in Review

Water Island Capital opened a new position in Organon & Co (OGN) in Q2 2026: 1,374,899 shares worth $18.6M. The stake represents 1.73% of the portfolio and ranks #26 among its holdings.

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

  • Water Island Capital held 1,374,899 shares of Organon & Co worth $18.6M as of Q2 2026.
  • Organon & Co was a new Water Island Capital position in Q2 2026.
  • Organon & Co made up 1.73% of Water Island Capital's portfolio in Q2 2026, its #26 holding.
  • 627 funds tracked by Wall St. Rank held Organon & Co as of Q2 2026.

Based on Water Island Capital's 13F filing for Q2 2026, filed 14 Aug 2026.