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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
2026
Q2 		$660K Buy
48,743
+3,310
+7% +$39.6K 0.03% 469
2026
Q1 		$272K Buy
45,433
+28,140
+163% +$212K 0.01% 684
2025
Q4 		$124K Sell
17,293
-27,360
-61% -$216K 0.01% 826
2025
Q3 		$477K Buy
44,653
+14,090
+46% +$138K 0.02% 543
2025
Q2 		$296K Sell
30,563
-5,810
-16% -$59.9K 0.01% 689
2025
Q1 		$542K Sell
36,373
-19,022
-34% -$293K 0.03% 451
2024
Q4 		$826K Buy
55,395
+650
+1% +$10.6K 0.04% 399
2024
Q3 		$1.05M Buy
54,745
+18,745
+52% +$389K 0.05% 297
2024
Q2 		$745K Buy
36,000
+12,000
+50% +$238K 0.04% 361
2024
Q1 		$451K Buy
24,000
+4,000
+20% +$68.6K 0.03% 481
2023
Q4 		$288K Sell
20,000
-9,000
-31% -$122K 0.02% 567
2023
Q3 		$503K Sell
29,000
-2,000
-6% -$41.7K 0.03% 379
2023
Q2 		$645K Buy
31,000
+20,000
+182% +$435K 0.04% 332
2023
Q1 		$259K Sell
11,000
-8,000
-42% -$215K 0.02% 481
2022
Q4 		$531K Sell
19,000
-11,500
-38% -$294K 0.03% 368
2022
Q3 		$714K Buy
30,500
+17,500
+135% +$528K 0.03% 424
2022
Q2 		$439K Buy
+13,000
New +$455K 0.02% 609
2022
Q1 		– Sell
-12,640
Closed -$385K – 1271
2021
Q4 		$385K Hold
12,640
– – 0.01% 736
2021
Q3 		$414K Hold
12,640
– – 0.02% 698
2021
Q2 		$383K Buy
+12,640
New +$416K 0.02% 698

Other funds holding OGN

BlackRock
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
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Man Group
Man Group London, United Kingdom $62.7B AUM 29.77% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return

CSS LLC's OGN Position: Q2 2026 in Review

CSS LLC increased its Organon & Co (OGN) stake by 7.3% in Q2 2026, buying an estimated $39.6K and bringing the position to 48,743 shares worth $660K. The position accounts for 0.03% of the portfolio, ranked #469.

CSS LLC first reported a position in OGN in Q2 2021 and has held it in 20 quarters since. The position peaked at $1.05M in Q3 2024. 631 funds tracked by Wall St. Rank hold OGN as of Q2 2026.

  • CSS LLC held 48,743 shares of Organon & Co worth $660K as of Q2 2026.
  • CSS LLC bought 3,310 Organon & Co shares in Q2 2026, an estimated $39.6K.
  • Organon & Co made up 0.03% of CSS LLC's portfolio in Q2 2026, its #469 holding.
  • CSS LLC first reported a position in Organon & Co in Q2 2021 and has held it in 20 quarters since.
  • CSS LLC's Organon & Co position peaked at $1.05M in Q3 2024.
  • 631 funds tracked by Wall St. Rank held Organon & Co as of Q2 2026.

Based on CSS LLC's 13F filing for Q2 2026, filed 14 Aug 2026.