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CSS LLC’s Organon & Co OGN Stock Holding History

CSS LLC’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
2024
Q1 		– Sell
-13,000
Closed -$187K – 911
2023
Q4 		$187K Sell
13,000
-800
-6% -$10.9K 0.01% 636
2023
Q3 		$240K Sell
13,800
-27,800
-67% -$580K 0.02% 569
2023
Q2 		$866K Buy
+41,600
New +$904K 0.05% 262

Other funds holding OGN

BlackRock
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
Millennium Management
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
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return
Geode Capital Management
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

CSS LLC's OGN Position: Q1 2026 in Review

CSS LLC increased its Organon & Co (OGN) stake by 163% in Q1 2026, buying an estimated $212K and bringing the position to 45,433 shares worth $272K. The position accounts for 0.01% of the portfolio, ranked #684.

CSS LLC first reported a position in OGN in Q2 2021 and has held it in 19 quarters since. The position peaked at $1.05M in Q3 2024. 604 funds tracked by Wall St. Rank hold OGN as of Q1 2026.

  • CSS LLC held 45,433 shares of Organon & Co worth $272K as of Q1 2026.
  • CSS LLC bought 28,140 Organon & Co shares in Q1 2026, an estimated $212K.
  • Organon & Co made up 0.01% of CSS LLC's portfolio in Q1 2026, its #684 holding.
  • CSS LLC first reported a position in Organon & Co in Q2 2021 and has held it in 19 quarters since.
  • CSS LLC's Organon & Co position peaked at $1.05M in Q3 2024.
  • 604 funds tracked by Wall St. Rank held Organon & Co as of Q1 2026.

Based on CSS LLC's 13F filing for Q1 2026, filed 15 May 2026.