PDT Partners’s Organon & Co OGN Stock Holding History

PDT Partners’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	$3.12M	Sell	230,275 -47,132	-17%	-$564K	0.16%	194
2026 Q1	$1.66M	Buy	277,407 +55,787	+25%	+$420K	0.1%	270
2025 Q4	$1.59M	Buy	+221,620	New	+$1.75M	0.1%	288

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

PDT Partners's OGN Position: Q2 2026 in Review

PDT Partners reduced its Organon & Co (OGN) stake by 17% in Q2 2026, selling an estimated $564K and leaving 230,275 shares worth $3.12M. The position accounts for 0.16% of the portfolio, ranked #194.

PDT Partners first reported a position in OGN in Q4 2025 and has held it in 3 quarters since. 631 funds tracked by Wall St. Rank hold OGN as of Q2 2026.

PDT Partners held 230,275 shares of Organon & Co worth $3.12M as of Q2 2026.
PDT Partners sold 47,132 Organon & Co shares in Q2 2026, an estimated $564K.
Organon & Co made up 0.16% of PDT Partners's portfolio in Q2 2026, its #194 holding.
PDT Partners first reported a position in Organon & Co in Q4 2025 and has held it in 3 quarters since.
631 funds tracked by Wall St. Rank held Organon & Co as of Q2 2026.

Based on PDT Partners's 13F filing for Q2 2026, filed 14 Aug 2026.