Marshall Wace
OPK icon

Marshall Wace’s Opko Health OPK Stock Holding History

Marshall Wace’s Portfolio OPK Stock Details OPK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-3,348,166
Closed -$4.42M – 3268
2025
Q2 		$4.42M Sell
3,348,166
-1,548,262
-32% -$2.12M 0.01% 1203
2025
Q1 		$8.13M Buy
4,896,428
+3,974,941
+431% +$6.55M 0.01% 851
2024
Q4 		$1.35M Buy
921,487
+825,143
+856% +$1.26M ﹤0.01% 1594
2024
Q3 		$144K Buy
+96,344
New +$143K ﹤0.01% 2335
2024
Q1 		– Sell
-465,493
Closed -$703K – 2708
2023
Q4 		$703K Sell
465,493
-99,040
-18% -$143K ﹤0.01% 1599
2023
Q3 		$903K Sell
564,533
-129,200
-19% -$235K ﹤0.01% 1531
2023
Q2 		$1.51M Buy
+693,733
New +$1.09M ﹤0.01% 1543
2022
Q3 		– Sell
-335,123
Closed -$848K – 3679
2022
Q2 		$848K Buy
+335,123
New +$977K ﹤0.01% 2530
2021
Q3 		– Sell
-126,915
Closed -$509K – 3309
2021
Q2 		$509K Sell
126,915
-169,222
-57% -$664K ﹤0.01% 2114
2021
Q1 		$1.27M Buy
296,137
+15,301
+5% +$73.1K 0.01% 1537
2020
Q4 		$1.11M Buy
+280,836
New +$1.17M 0.01% 1168
2020
Q3 		– Sell
-48,348
Closed -$151K – 1825
2020
Q2 		$151K Sell
48,348
-173,865
-78% -$389K ﹤0.01% 1438
2020
Q1 		$295K Sell
222,213
-2,324,922
-91% -$3.64M ﹤0.01% 1100
2019
Q4 		$3.75M Buy
2,547,135
+2,546,678
+557,260% +$4.26M 0.03% 626
2019
Q3 		$1K Sell
457
-36,508
-99% -$74.6K ﹤0.01% 1631
2019
Q2 		$59K Sell
36,965
-1,415,211
-97% -$3.09M ﹤0.01% 1286
2019
Q1 		$3.1M Buy
1,452,176
+1,412,295
+3,541% +$4.28M 0.03% 615
2018
Q4 		$1K Buy
+39,881
New +$135K ﹤0.01% 1558
2018
Q2 		– Sell
-87,260
Closed -$3K – 811
2018
Q1 		$3K Buy
87,260
+72,107
+476% +$290K ﹤0.01% 543
2017
Q4 		$1K Buy
+15,153
New +$87.9K ﹤0.01% 395

Other funds holding OPK

RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
WCM
Whitefort Capital Management New York $339M AUM 52.48% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Marshall Wace's OPK Position: Q3 2025 in Review

Marshall Wace sold out of Opko Health (OPK) in Q3 2025, closing a stake of 3,348,166 shares — an estimated $4.42M sold.

Marshall Wace first reported a position in OPK in Q4 2017 and held it in 20 quarters. The position peaked at $8.13M in Q1 2025. 233 funds tracked by Wall St. Rank hold OPK as of Q3 2025.

  • Marshall Wace reported no remaining Opko Health position as of Q3 2025 after selling out during the quarter.
  • Marshall Wace sold 3,348,166 Opko Health shares in Q3 2025, an estimated $4.42M.
  • Marshall Wace first reported a position in Opko Health in Q4 2017 and held it in 20 quarters.
  • Marshall Wace's Opko Health position peaked at $8.13M in Q1 2025.
  • 233 funds tracked by Wall St. Rank held Opko Health as of Q3 2025.

Based on Marshall Wace's 13F filing for Q3 2025, filed 13 Nov 2025.