Marshall Wace, LLP Emergent Bio Solutions Inc. Transaction History

Marshall Wace, LLP

$90.8 Billion
Q3 2025

A detailed history of Marshall Wace, LLP transactions in Emergent Bio Solutions Inc. stock. As of the latest transaction made, Marshall Wace, LLP holds 912,388 shares of EBS stock, worth $9.22 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

912,388

Previous 1,018,847 10.45%

Holding current value

$9.22 Million

Previous $6.5 Million 23.8%

% of portfolio

0.01%

Previous 0.01%

20 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$5.63 - $9.32 $599,364 - $992,197	-106,459 Reduced 10.45%	912,388 $8.05 Million
Q2 2025 Aug 13, 2025	SELL	$4.26 - $6.94 $592,203 - $964,764	-139,015 Reduced 12.01%	1,018,847 $6.5 Million
Q1 2025 May 15, 2025	SELL	$4.66 - $11.66 $795,830 - $1.99 Million	-170,779 Reduced 12.85%	1,157,862 $5.63 Million
Q4 2024 Feb 13, 2025	SELL	$7.72 - $11.97 $9 Million - $14 Million	-1,165,943 Reduced 46.74%	1,328,641 $12.7 Million
Q3 2024 Nov 14, 2024	BUY	$5.72 - $14.77 $11.2 Million - $28.8 Million	1,951,771 Added 359.57%	2,494,584 $20.8 Million

Q2 2024 Aug 14, 2024	BUY	$1.86 - $6.98 $434,014 - $1.63 Million	233,341 Added 75.4%	542,813 $3.7 Million
Q1 2024 May 15, 2024	BUY	$1.5 - $3.41 $346,941 - $788,712	231,294 Added 295.86%	309,472 $782,000
Q4 2023 Feb 14, 2024	SELL	$1.82 - $3.16 $148,515 - $257,862	-81,602 Reduced 51.07%	78,178 $187,000
Q3 2023 Nov 14, 2023	SELL	$3.17 - $7.91 $81,735 - $203,951	-25,784 Reduced 13.89%	159,780 $543,000
Q2 2023 Aug 14, 2023	BUY	$7.35 - $13.21 $1.28 Million - $2.29 Million	173,732 Added 1468.32%	185,564 $1.36 Million
Q1 2023 May 15, 2023	BUY	$7.79 - $16.29 $92,171 - $192,743	11,832 New	11,832 $122,000
Q2 2022 Aug 15, 2022	BUY	$27.42 - $43.63 $12.3 Million - $19.6 Million	448,533 New	448,533 $13.9 Million
Q1 2022 May 16, 2022	SELL	$36.48 - $52.22 $748,533 - $1.07 Million	-20,519 Closed	0 $0
Q4 2021 Feb 14, 2022	SELL	$33.11 - $55.01 $3.38 Million - $5.62 Million	-102,200 Reduced 83.28%	20,519 $893,000
Q3 2021 Nov 15, 2021	BUY	$50.07 - $66.05 $565,590 - $746,100	11,296 Added 10.14%	122,719 $6.15 Million
Q2 2021 Aug 13, 2021	BUY	$56.61 - $80.46 $6.31 Million - $8.97 Million	111,423 New	111,423 $7.02 Million
Q1 2020 May 15, 2020	SELL	$49.34 - $68.76 $8.09 Million - $11.3 Million	-163,975 Closed	0 $0
Q4 2019 Feb 14, 2020	SELL	$51.21 - $59.06 $6.67 Million - $7.69 Million	-130,267 Reduced 44.27%	163,975 $8.85 Million
Q3 2019 Nov 14, 2019	BUY	$40.6 - $57.2 $8.89 Million - $12.5 Million	218,936 Added 290.73%	294,242 $15.4 Million
Q2 2019 Aug 14, 2019	BUY	$39.92 - $53.86 $3.01 Million - $4.06 Million	75,306 New	75,306 $3.64 Million

Others Institutions Holding EBS

# of Institutions

192

Shares Held

41.3M

Call Options Held

899K

Put Options Held

256K

View Full List

About Emergent BioSolutions Inc.

Ticker EBS
Exchange NYSE
Sector Healthcare
Industry Drug Manufacturers—Specialty & Generic
Shares Outstandng 49,861,500
Market Cap $504M
Description
Emergent BioSolutions Inc., a life sciences company, focuses on the provision of preparedness and response solutions that address accidental, deliberate, and naturally occurring public health threats (PHTs) in the United States. The company's products address PHTs, which include chemical, biological, radiological, nuclear, and explosives; emergi...

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Marshall Wace, LLP Emergent Bio Solutions Inc. Transaction History