Millennium Management
OGN icon

Millennium Management’s Organon & Co OGN Stock Holding History

Millennium Management’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
2025
Q3 		– Sell
-199,400
Closed -$1.93M – 6333
2025
Q2 		$1.93M Buy
+199,400
New +$2.06M ﹤0.01% 3912

Other funds holding OGN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
KBG
Kahn Brothers Group New York $564M AUM 25.3% 1-Year Est. Return
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.47B AUM 13.39% 1-Year Est. Return
TI
Think Investments San Francisco, California $762M AUM 33.1% 1-Year Est. Return

Millennium Management's OGN Position: Q1 2026 in Review

Millennium Management increased its Organon & Co (OGN) stake by 1,371% in Q1 2026, buying an estimated $47.6M and bringing the position to 6,781,535 shares worth $40.6M. The position accounts for 0.02% of the portfolio, ranked #989.

Millennium Management first reported a position in OGN in Q2 2021 and has held it in 19 quarters since. The position peaked at $88M in Q2 2025. 603 funds tracked by Wall St. Rank hold OGN as of Q1 2026.

  • Millennium Management held 6,781,535 shares of Organon & Co worth $40.6M as of Q1 2026.
  • Millennium Management bought 6,320,587 Organon & Co shares in Q1 2026, an estimated $47.6M.
  • Organon & Co made up 0.02% of Millennium Management's portfolio in Q1 2026, its #989 holding.
  • Millennium Management first reported a position in Organon & Co in Q2 2021 and has held it in 19 quarters since.
  • Millennium Management's Organon & Co position peaked at $88M in Q2 2025.
  • 603 funds tracked by Wall St. Rank held Organon & Co as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.