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
2026 Q1	$1.8M	Buy	+300,000	New	+$2.26M	﹤0.01%	3974
2025 Q4	–	Sell	-64,900	Closed	-$693K	–	6323
2025 Q3	$693K	Sell	64,900 -197,900	-75%	-$1.94M	﹤0.01%	4877
2025 Q2	$2.54M	Buy	262,800 +162,800	+163%	+$1.68M	﹤0.01%	3665
2025 Q1	$1.49M	Sell	100,000 -350,000	-78%	-$5.38M	﹤0.01%	4055
2024 Q4	$6.71M	Buy	+450,000	New	+$7.33M	﹤0.01%	2550
2024 Q3	–	Sell	-302,800	Closed	-$6.27M	–	6366
2024 Q2	$6.27M	Buy	302,800 +248,500	+458%	+$4.94M	﹤0.01%	2506
2024 Q1	$1.02M	Sell	54,300 -45,700	-46%	-$784K	﹤0.01%	4274
2023 Q4	$1.44M	Buy	100,000 +50,000	+100%	+$680K	﹤0.01%	3862
2023 Q3	$868K	Sell	50,000 -100,500	-67%	-$2.1M	﹤0.01%	4284
2023 Q2	$3.13M	Buy	+150,500	New	+$3.27M	﹤0.01%	3100
2022 Q3	–	Sell	-25,000	Closed	-$844K	–	7373
2022 Q2	$844K	Buy	+25,000	New	+$876K	﹤0.01%	4533

Other funds holding OGN

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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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 Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return

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

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.