California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Organon & Co OGN Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$1.96M Buy
327,075
+84,497
+35% +$636K ﹤0.01% 1530
2025
Q4 		$1.74M Sell
242,578
-7,613
-3% -$60.1K ﹤0.01% 1498
2025
Q3 		$2.67M Buy
250,191
+11,865
+5% +$116K ﹤0.01% 1248
2025
Q2 		$2.31M Buy
238,326
+368
+0.2% +$3.79K ﹤0.01% 1295
2025
Q1 		$3.54M Sell
237,958
-2,976
-1% -$45.8K ﹤0.01% 1030
2024
Q4 		$3.59M Sell
240,934
-9,412
-4% -$153K ﹤0.01% 1074
2024
Q3 		$4.79M Sell
250,346
-10,427
-4% -$216K 0.01% 936
2024
Q2 		$5.4M Sell
260,773
-5,784
-2% -$115K 0.01% 858
2024
Q1 		$5.01M Sell
266,557
-14,539
-5% -$249K 0.01% 914
2023
Q4 		$4.05M Sell
281,096
-9,431
-3% -$128K 0.01% 1027
2023
Q3 		$5.04M Sell
290,527
-23,081
-7% -$481K 0.01% 878
2023
Q2 		$6.53M Sell
313,608
-19,899
-6% -$433K 0.01% 819
2023
Q1 		$7.84M Sell
333,507
-3,995
-1% -$107K 0.01% 726
2022
Q4 		$9.43M Buy
337,502
+4,258
+1% +$109K 0.01% 667
2022
Q3 		$7.8M Buy
333,244
+6,682
+2% +$202K 0.01% 695
2022
Q2 		$11M Buy
326,562
+1,227
+0.4% +$43K 0.02% 617
2022
Q1 		$11.4M Sell
325,335
-29,624
-8% -$1.01M 0.02% 664
2021
Q4 		$10.8M Sell
354,959
-71,664
-17% -$2.33M 0.01% 740
2021
Q3 		$14M Sell
426,623
-6,289
-1% -$201K 0.02% 673
2021
Q2 		$13.1M Buy
+432,912
New +$14.3M 0.02% 714

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

California State Teachers Retirement System (CalSTRS)'s OGN Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) increased its Organon & Co (OGN) stake by 35% in Q1 2026, buying an estimated $636K and bringing the position to 327,075 shares worth $1.96M. The position accounts for ﹤0.01% of the portfolio, ranked #1530.

California State Teachers Retirement System (CalSTRS) first reported a position in OGN in Q2 2021 and has held it in 20 quarters since. The position peaked at $14M in Q3 2021. 607 funds tracked by Wall St. Rank hold OGN as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 327,075 shares of Organon & Co worth $1.96M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) bought 84,497 Organon & Co shares in Q1 2026, an estimated $636K.
  • Organon & Co made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #1530 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Organon & Co in Q2 2021 and has held it in 20 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Organon & Co position peaked at $14M in Q3 2021.
  • 607 funds tracked by Wall St. Rank held Organon & Co as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.