Marshall Wace, LLP Opko Health, Inc. Transaction History

Marshall Wace, LLP

$81.7 Billion
Q2 2025

A detailed history of Marshall Wace, LLP transactions in Opko Health, Inc. stock. As of the latest transaction made, Marshall Wace, LLP holds 3,348,166 shares of OPK stock, worth $4.42 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

3,348,166

Previous 4,896,428 31.62%

Holding current value

$4.42 Million

Previous $8.13 Million 45.63%

% of portfolio

0.01%

Previous 0.01%

22 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 13, 2025	SELL	$1.24 - $1.66 $1.92 Million - $2.57 Million	-1,548,262 Reduced 31.62%	3,348,166 $4.42 Million
Q1 2025 May 15, 2025	BUY	$1.45 - $1.94 $5.76 Million - $7.71 Million	3,974,941 Added 431.36%	4,896,428 $8.13 Million
Q4 2024 Feb 13, 2025	BUY	$1.4 - $1.64 $1.16 Million - $1.35 Million	825,143 Added 856.45%	921,487 $1.35 Million
Q3 2024 Nov 14, 2024	BUY	$1.21 - $1.68 $116,576 - $161,857	96,344 New	96,344 $143,000
Q4 2023 Feb 14, 2024	SELL	$1.23 - $1.63 $121,819 - $161,435	-99,040 Reduced 17.54%	465,493 $702,000
Q3 2023 Nov 14, 2023	SELL	$1.5 - $2.17 $193,800 - $280,364	-129,200 Reduced 18.62%	564,533 $903,000
Q2 2023 Aug 14, 2023	BUY	$1.37 - $2.17 $950,414 - $1.51 Million	693,733 New	693,733 $1.51 Million
Q2 2022 Aug 15, 2022	BUY	$2.33 - $3.61 $485,124 - $751,630	208,208 Added 164.05%	335,123 $848,000
Q2 2021 Aug 13, 2021	SELL	$3.33 - $4.55 $563,509 - $769,960	-169,222 Reduced 57.14%	126,915 $509,000
Q1 2021 May 17, 2021	BUY	$4.19 - $5.99 $64,111 - $91,652	15,301 Added 5.45%	296,137 $1.27 Million
Q4 2020 Feb 16, 2021	BUY	$3.27 - $4.87 $918,333 - $1.37 Million	280,836 New	280,836 $1.12 Million
Q3 2020 Nov 16, 2020	SELL	$2.99 - $5.96 $144,560 - $288,154	-48,348 Closed	0 $0
Q2 2020 Aug 13, 2020	SELL	$1.15 - $3.41 $199,944 - $592,879	-173,865 Reduced 78.24%	48,348 $151,000
Q1 2020 May 15, 2020	SELL	$1.34 - $2.32 $3.12 Million - $5.39 Million	-2,324,922 Reduced 91.28%	222,213 $295,000
Q4 2019 Feb 14, 2020	BUY	$1.42 - $2.17 $3.62 Million - $5.53 Million	2,546,678 Added 557259.94%	2,547,135 $3.75 Million
Q3 2019 Nov 14, 2019	SELL	$1.75 - $2.47 $63,889 - $90,174	-36,508 Reduced 98.76%	457 $1,000
Q2 2019 Aug 14, 2019	SELL	$1.79 - $2.61 $2.53 Million - $3.69 Million	-1,415,211 Reduced 97.45%	36,965 $59,000
Q1 2019 May 14, 2019	BUY	$2.42 - $3.83 $3.42 Million - $5.41 Million	1,412,295 Added 3541.27%	1,452,176 $3.1 Million
Q4 2018 Feb 14, 2019	BUY	$2.46 - $3.87 $98,107 - $154,339	39,881 New	39,881 $1,000
Q2 2018 Aug 14, 2018	SELL	$2.99 - $4.99 $260,907 - $435,427	-87,260 Closed	0 $0
Q1 2018 May 15, 2018	BUY	$3.11 - $5.12 $224,252 - $369,187	72,107 Added 475.86%	87,260 $3,000
Q4 2017 Feb 14, 2018	BUY	$4.61 - $7.04 $69,855 - $106,677	15,153	15,153 $1,000

Others Institutions Holding OPK

# of Institutions

240

Shares Held

207M

Call Options Held

1.49M

Put Options Held

332K

View Full List

About OPKO HEALTH, INC.

Ticker OPK
Exchange NASDAQ
Sector Healthcare
Industry Diagnostics & Research
Shares Outstandng 771,960,000
Market Cap $1.02B
Description
OPKO Health, Inc., a healthcare company, engages in the diagnostics and pharmaceuticals businesses in the United States, Ireland, Chile, Spain, Israel, Mexico, and internationally. The company's Diagnostics segment operates BioReference Laboratories that offers laboratory testing services for the detection, diagnosis, evaluation, monitoring, and...

More about OPK

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Marshall Wace, LLP Opko Health, Inc. Transaction History