Callan Family Office’s Organon & Co OGN Stock Holding History

Callan Family Office’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	$157K	Sell	11,615 -10,788	-48%	-$129K	﹤0.01%	1167
2026 Q1	$134K	Buy	+22,403	New	+$169K	﹤0.01%	1081

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

Callan Family Office's OGN Position: Q2 2026 in Review

Callan Family Office reduced its Organon & Co (OGN) stake by 48% in Q2 2026, selling an estimated $129K and leaving 11,615 shares worth $157K. The position accounts for ﹤0.01% of the portfolio, ranked #1167.

Callan Family Office first reported a position in OGN in Q1 2026 and has held it in 2 quarters since. 627 funds tracked by Wall St. Rank hold OGN as of Q2 2026.

Callan Family Office held 11,615 shares of Organon & Co worth $157K as of Q2 2026.
Callan Family Office sold 10,788 Organon & Co shares in Q2 2026, an estimated $129K.
Organon & Co made up ﹤0.01% of Callan Family Office's portfolio in Q2 2026, its #1167 holding.
Callan Family Office first reported a position in Organon & Co in Q1 2026 and has held it in 2 quarters since.
627 funds tracked by Wall St. Rank held Organon & Co as of Q2 2026.

Based on Callan Family Office's 13F filing for Q2 2026, filed 11 Aug 2026.