Mariner
OGN icon

Mariner’s Organon & Co OGN Stock Holding History

Mariner’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 		$230K Buy
+16,957
New +$203K ﹤0.01% 3043
2026
Q1 		– Sell
-69,964
Closed -$502K – 3742
2025
Q4 		$502K Buy
69,964
+53,945
+337% +$426K ﹤0.01% 2444
2025
Q3 		$171K Sell
16,019
-25,075
-61% -$246K ﹤0.01% 3228
2025
Q2 		$398K Buy
41,094
+3,637
+10% +$37.5K ﹤0.01% 2505
2025
Q1 		$557K Buy
37,457
+1,826
+5% +$28.1K ﹤0.01% 2124
2024
Q4 		$531K Sell
35,631
-3,049
-8% -$49.7K ﹤0.01% 2149
2024
Q3 		$740K Buy
38,680
+1,620
+4% +$33.6K ﹤0.01% 1836
2024
Q2 		$767K Buy
37,060
+6
+0% +$119 ﹤0.01% 1703
2024
Q1 		$697K Buy
37,054
+6,658
+22% +$114K ﹤0.01% 1779
2023
Q4 		$438K Sell
30,396
-7,776
-20% -$106K ﹤0.01% 2036
2023
Q3 		$663K Buy
38,172
+118
+0.3% +$2.46K ﹤0.01% 1581
2023
Q2 		$792K Buy
38,054
+3,340
+10% +$72.6K ﹤0.01% 1446
2023
Q1 		$816K Buy
34,714
+3,981
+13% +$107K ﹤0.01% 1386
2022
Q4 		$858K Buy
30,733
+4,615
+18% +$118K ﹤0.01% 1322
2022
Q3 		$611K Sell
26,118
-3,131
-11% -$94.5K ﹤0.01% 1301
2022
Q2 		$987K Sell
29,249
-892
-3% -$31.2K ﹤0.01% 907
2022
Q1 		$1.05M Buy
30,141
+4,296
+17% +$147K ﹤0.01% 920
2021
Q4 		$787K Sell
25,845
-15,983
-38% -$521K ﹤0.01% 892
2021
Q3 		$1.37M Sell
41,828
-55,551
-57% -$1.78M 0.01% 619
2021
Q2 		$2.95M Buy
+97,379
New +$3.21M 0.02% 404

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

Mariner's OGN Position: Q2 2026 in Review

Mariner opened a new position in Organon & Co (OGN) in Q2 2026: 16,957 shares worth $230K. The stake represents ﹤0.01% of the portfolio and ranks #3043 among its holdings. This is a return to the name: Mariner previously reported a position in OGN as recently as Q4 2025.

Mariner first reported a position in OGN in Q2 2021 and has held it in 20 quarters since. The position peaked at $2.95M in Q2 2021. 627 funds tracked by Wall St. Rank hold OGN as of Q2 2026.

  • Mariner held 16,957 shares of Organon & Co worth $230K as of Q2 2026.
  • Organon & Co was a new Mariner position in Q2 2026.
  • Organon & Co made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3043 holding.
  • Mariner first reported a position in Organon & Co in Q2 2021 and has held it in 20 quarters since.
  • Mariner's Organon & Co position peaked at $2.95M in Q2 2021.
  • 627 funds tracked by Wall St. Rank held Organon & Co as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.