Janus Henderson Group
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Janus Henderson Group’s Organon & Co OGN Stock Holding History

Janus Henderson Group’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
Q1 		$692K Hold
115,640
– – ﹤0.01% 1858
2025
Q4 		$829K Sell
115,640
-188,109
-62% -$1.49M ﹤0.01% 1770
2025
Q3 		$3.24M Hold
303,749
– – ﹤0.01% 1098
2025
Q2 		$2.94M Buy
303,749
+188,109
+163% +$1.94M ﹤0.01% 1120
2025
Q1 		$1.68M Hold
115,640
– – ﹤0.01% 1367
2024
Q4 		$1.73M Hold
115,640
– – ﹤0.01% 1387
2024
Q3 		$2.21M Hold
115,640
– – ﹤0.01% 1265
2024
Q2 		$2.39M Sell
115,640
-1,323
-1% -$26.3K ﹤0.01% 1170
2024
Q1 		$2.2M Sell
116,963
-2,203,656
-95% -$37.8M ﹤0.01% 1253
2023
Q4 		$33.5M Sell
2,320,619
-1,255,657
-35% -$17.1M 0.02% 452
2023
Q3 		$62.1M Sell
3,576,276
-2,376,131
-40% -$49.5M 0.04% 325
2023
Q2 		$124M Sell
5,952,407
-372,321
-6% -$8.09M 0.08% 224
2023
Q1 		$149M Sell
6,324,728
-5,695,846
-47% -$153M 0.1% 196
2022
Q4 		$336M Sell
12,020,574
-12,612,144
-51% -$322M 0.24% 105
2022
Q3 		$576M Buy
24,632,718
+12,770,851
+108% +$386M 0.22% 121
2022
Q2 		$400M Buy
11,861,867
+495,017
+4% +$17.3M 0.28% 97
2022
Q1 		$397M Buy
11,366,850
+4,254,457
+60% +$145M 0.19% 128
2021
Q4 		$217M Buy
7,112,393
+1,830,772
+35% +$59.6M 0.09% 220
2021
Q3 		$173M Buy
5,281,621
+4,854,678
+1,137% +$155M 0.08% 256
2021
Q2 		$12.9M Buy
+426,943
New +$14.1M 0.01% 886

Other funds holding OGN

BlackRock
BlackRock New York $6.73T AUM 46.02% 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
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
KBG
Kahn Brothers Group New York $633M AUM 39.01% 1-Year Est. Return
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $181B AUM 41.77% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return

Janus Henderson Group's OGN Position: Q1 2026 in Review

Janus Henderson Group held its Organon & Co (OGN) position steady in Q1 2026 at 115,640 shares worth $692K. The position accounts for ﹤0.01% of the portfolio, ranked #1858.

Janus Henderson Group first reported a position in OGN in Q2 2021 and has held it in 20 quarters since. The position peaked at $576M in Q3 2022. 607 funds tracked by Wall St. Rank hold OGN as of Q1 2026.

  • Janus Henderson Group held 115,640 shares of Organon & Co worth $692K as of Q1 2026.
  • Janus Henderson Group left its Organon & Co share count unchanged in Q1 2026.
  • Organon & Co made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #1858 holding.
  • Janus Henderson Group first reported a position in Organon & Co in Q2 2021 and has held it in 20 quarters since.
  • Janus Henderson Group's Organon & Co position peaked at $576M in Q3 2022.
  • 607 funds tracked by Wall St. Rank held Organon & Co as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.