Sector Gamma AS’s Organon & Co OGN Stock Holding History

Sector Gamma AS’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	$2.25M	Buy	375,974 +75,974	+25%	+$572K	0.53%	41
2025 Q4	$2.15M	Sell	300,000 -243,711	-45%	-$1.93M	0.49%	35
2025 Q3	$5.81M	Buy	+543,711	New	+$5.34M	1.44%	27
2022 Q3	–	Sell	-356,089	Closed	-$12M	–	34
2022 Q2	$12M	Buy	356,089 +16,351	+5%	+$573K	2.69%	16
2022 Q1	$11.9M	Sell	339,738 -91,971	-21%	-$3.15M	2.58%	15
2021 Q4	$13.1M	Sell	431,709 -114,353	-21%	-$3.72M	3.09%	15
2021 Q3	$17.9M	Sell	546,062 -6,170	-1%	-$197K	3.57%	13
2021 Q2	$16.7M	Buy	+552,232	New	+$18.2M	2.96%	16

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

Millennium Management New York $240B AUM 35.51% 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

Sector Gamma AS's OGN Position: Q1 2026 in Review

Sector Gamma AS increased its Organon & Co (OGN) stake by 25% in Q1 2026, buying an estimated $572K and bringing the position to 375,974 shares worth $2.25M. The position accounts for 0.53% of the portfolio, ranked #41.

Sector Gamma AS first reported a position in OGN in Q2 2021 and has held it in 8 quarters since. The position peaked at $17.9M in Q3 2021. 603 funds tracked by Wall St. Rank hold OGN as of Q1 2026.

Sector Gamma AS held 375,974 shares of Organon & Co worth $2.25M as of Q1 2026.
Sector Gamma AS bought 75,974 Organon & Co shares in Q1 2026, an estimated $572K.
Organon & Co made up 0.53% of Sector Gamma AS's portfolio in Q1 2026, its #41 holding.
Sector Gamma AS first reported a position in Organon & Co in Q2 2021 and has held it in 8 quarters since.
Sector Gamma AS's Organon & Co position peaked at $17.9M in Q3 2021.
603 funds tracked by Wall St. Rank held Organon & Co as of Q1 2026.

Based on Sector Gamma AS's 13F filing for Q1 2026, filed 7 May 2026.