Jane Street Group, LLC Mereo Biopharma Group PLC Transaction History

Jane Street Group, LLC

$616 Billion
Q3 2025

A detailed history of Jane Street Group, LLC transactions in Mereo Biopharma Group PLC stock. As of the latest transaction made, Jane Street Group, LLC holds 452,362 shares of MREO stock, worth $823,298. This represents 0.0% of its overall portfolio holdings.

Number of Shares

452,362

Previous 247,441 82.82%

Holding current value

$823,298

Previous $670,000 34.33%

% of portfolio

0.0%

Previous 0.0%

16 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	BUY	$1.52 - $2.94 $311,479 - $602,467	204,921 Added 82.82%	452,362 $900,000
Q2 2025 Aug 14, 2025	BUY	$1.76 - $2.87 $180,642 - $294,571	102,638 Added 70.88%	247,441 $670,000
Q1 2025 May 14, 2025	BUY	$2.25 - $3.76 $55,181 - $92,214	24,525 Added 20.39%	144,803 $325,000
Q4 2024 Feb 14, 2025	SELL	$3.29 - $4.62 $310,434 - $435,929	-94,357 Reduced 43.96%	120,278 $420,000
Q3 2024 Nov 14, 2024	BUY	$3.45 - $4.87 $448,644 - $633,304	130,042 Added 153.73%	214,635 $882,000

Q2 2024 Aug 14, 2024	SELL	$2.58 - $4.25 $5,882 - $9,690	-2,280 Reduced 2.62%	84,593 $304,000
Q1 2024 May 15, 2024	BUY	$2.3 - $4.05 $199,807 - $351,835	86,873 New	86,873 $286,000
Q3 2023 Nov 14, 2023	SELL	$1.15 - $1.67 $1,680 - $2,439	-1,461 Reduced 7.79%	17,285 $22,000
Q2 2023 Aug 14, 2023	SELL	$0.79 - $1.43 $57,154 - $103,456	-72,347 Reduced 79.42%	18,746 $24,000
Q1 2023 May 15, 2023	SELL	$0.71 - $1.22 $72,326 - $124,280	-101,869 Reduced 52.79%	91,093 $64,000
Q4 2022 Feb 14, 2023	BUY	$0.5 - $1.01 $9,588 - $19,367	19,176 Added 11.03%	192,962 $144,000
Q3 2022 Nov 14, 2022	BUY	$0.82 - $1.73 $124,444 - $262,548	151,762 Added 689.08%	173,786 $150,000
Q2 2022 Aug 16, 2022	BUY	$0.33 - $1.69 $7,267 - $37,220	22,024 New	22,024 $25,000
Q2 2021 Aug 16, 2021	SELL	$2.94 - $4.08 $138,823 - $192,653	-47,219 Closed	0 $0
Q1 2021 May 18, 2021	BUY	$2.6 - $4.43 $62,870 - $107,121	24,181 Added 104.96%	47,219 $159,000
Q4 2020 Feb 17, 2021	BUY	$1.95 - $3.6 $44,924 - $82,936	23,038 New	23,038 $82,000

Others Institutions Holding MREO

# of Institutions

Shares Held

99.9M

Call Options Held

2.23M

Put Options Held

179K

View Full List

About Mereo Biopharma Group plc

Ticker MREO
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 124,986,000
Market Cap $227M
Description
Mereo BioPharma Group plc, a biopharmaceutical company, develops and commercializes therapeutics for the treatment of oncology and rare diseases in the United Kingdom and internationally. Its lead product candidate, etigilimab (OMP-313M32), an antibody T-cell immunoreceptor with Ig and ITIM domains, which is in Phase 1b clinical trial for the tr...

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Jane Street Group, LLC Mereo Biopharma Group PLC Transaction History