Costello Asset Management’s Organon & Co OGN Stock Holding History

Costello Asset 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	-100	Closed	-$968	–	687
2025 Q2	$968	Sell	100 -79	-44%	-$815	﹤0.01%	651
2025 Q1	$2.66K	Buy	+179	New	+$2.75K	﹤0.01%	598
2023 Q4	–	Sell	-3	Closed	-$52	–	192
2023 Q3	$52	Hold	3	–	–	﹤0.01%	196
2023 Q2	$62	Hold	3	–	–	﹤0.01%	195
2023 Q1	$71	Sell	3 -10	-77%	-$269	﹤0.01%	213
2022 Q4	$363	Hold	13	–	–	﹤0.01%	209
2022 Q3	$0	Hold	13	–	–	﹤0.01%	229
2022 Q2	$0	Sell	13 -67	-84%	-$2.35K	﹤0.01%	239
2022 Q1	$3K	Sell	80 -5	-6%	-$171	﹤0.01%	212
2021 Q4	$3K	Sell	85 -8	-9%	-$261	﹤0.01%	214
2021 Q3	$3K	Sell	93 -3,739	-98%	-$120K	﹤0.01%	206
2021 Q2	$116K	Buy	+3,832	New	+$126K	0.08%	72

Other funds holding OGN

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

GAM

Gotham Asset Management New York $43B AUM 34.97% 1-Year Est. Return

Costello Asset Management's OGN Position: Q3 2025 in Review

Costello Asset Management sold out of Organon & Co (OGN) in Q3 2025, closing a stake of 100 shares — an estimated $968 sold.

Costello Asset Management first reported a position in OGN in Q2 2021 and held it in 12 quarters. The position peaked at $116K in Q2 2021. 670 funds tracked by Wall St. Rank hold OGN as of Q3 2025.

Costello Asset Management reported no remaining Organon & Co position as of Q3 2025 after selling out during the quarter.
Costello Asset Management sold 100 Organon & Co shares in Q3 2025, an estimated $968.
Costello Asset Management first reported a position in Organon & Co in Q2 2021 and held it in 12 quarters.
Costello Asset Management's Organon & Co position peaked at $116K in Q2 2021.
670 funds tracked by Wall St. Rank held Organon & Co as of Q3 2025.

Based on Costello Asset Management's 13F filing for Q3 2025, filed 6 Nov 2025.