ADAR1 Capital Management’s Organon & Co OGN Stock Holding History

ADAR1 Capital 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 Q2	$135K	Hold	10,000	–	–	0.01%	255
2026 Q1	$59.9K	Sell	10,000 -25,000	-71%	-$188K	﹤0.01%	297
2025 Q4	$251K	Buy	35,000 +25,000	+250%	+$198K	0.02%	220
2025 Q3	$107K	Hold	10,000	–	–	0.01%	201
2025 Q2	$96.8K	Hold	10,000	–	–	0.01%	177
2025 Q1	$149K	Sell	10,000 -30,200	-75%	-$464K	0.03%	154
2024 Q4	$600K	Buy	40,200 +37,100	+1,197%	+$605K	0.12%	106
2024 Q3	$59.3K	Buy	3,100 +600	+24%	+$12.4K	0.01%	210
2024 Q2	$51.8K	Sell	2,500 -3,500	-58%	-$69.6K	0.01%	187
2024 Q1	$113K	Buy	+6,000	New	+$103K	0.03%	143

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

ADAR1 Capital Management's OGN Position: Q2 2026 in Review

ADAR1 Capital Management held its Organon & Co (OGN) position steady in Q2 2026 at 10,000 shares worth $135K. The position accounts for 0.01% of the portfolio, ranked #255.

ADAR1 Capital Management first reported a position in OGN in Q1 2024 and has held it in 10 quarters since. The position peaked at $600K in Q4 2024. 631 funds tracked by Wall St. Rank hold OGN as of Q2 2026.

ADAR1 Capital Management held 10,000 shares of Organon & Co worth $135K as of Q2 2026.
ADAR1 Capital Management left its Organon & Co share count unchanged in Q2 2026.
Organon & Co made up 0.01% of ADAR1 Capital Management's portfolio in Q2 2026, its #255 holding.
ADAR1 Capital Management first reported a position in Organon & Co in Q1 2024 and has held it in 10 quarters since.
ADAR1 Capital Management's Organon & Co position peaked at $600K in Q4 2024.
631 funds tracked by Wall St. Rank held Organon & Co as of Q2 2026.

Based on ADAR1 Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.