Rock Springs Capital Management LP

Holdings History for Mereo BioPharma Group plc - Ordinary Shares, par value GBP 0.003 per share (MREO)

Symbol: MREO on Nasdaq
Investment type: Equity / Ordinary Shares, par value GBP 0.003 per share
Latest Disclosed Shares Owned: 33,421,235 shares
Security Ownership %: 4.2%

Shares, Excluding Options vs Price

Value, Excluding Options

Rock Springs Capital Management LP ownership in Mereo BioPharma Group plc Ordinary Shares, par value GBP 0.003 per share (MREO)

15 May 2025 - Rock Springs Capital Management LP has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 33,421,235 shares of Mereo BioPharma Group plc Ordinary Shares, par value GBP 0.003 per share (MREO). This represents 4.2% ownership of the company. This is the first filing by Rock Springs Capital Management LP disclosing ownership of Mereo BioPharma Group plc Ordinary Shares, par value GBP 0.003 per share (MREO).

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Rock Springs Capital Management LP	4.2%		$87,229,423	33,421,235			$2.61	13G/A	31 Mar 2025	15 May 2025, 10:46

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025		-0.55%	$0	0	-4,570,649	-100%	$0.39	Q4 2025
30 Sep 2025	0.55%	+0.01%	$9,415,537	4,570,649	+105,357	+2.4%	$2.06	Q3 2025
30 Jun 2025	0.75%	-0.37%	$12,100,941	4,465,292	-2,218,955	-33%	$2.71	Q2 2025
31 Mar 2025	0.86%	-0.38%	$15,039,556	6,684,247	-2,914,923		$2.25	Q1 2025
31 Dec 2024	1.3%	+0.01%	$33,597,095	9,599,170	+65,000	+0.68%	$3.50	Q4 2024
30 Sep 2024	1.3%	+0.03%	$39,185,439	9,534,170	+250,678	+2.7%	$4.11	Q3 2024
30 Jun 2024	1%	+0.1%	$33,420,571	9,283,492	+1,141,383	+14%	$3.60	Q2 2024
31 Mar 2024	0.68%	+0.01%	$26,868,960	8,142,109	+158,258	+2%	$3.30	Q1 2024
31 Dec 2023	0.46%	+0.02%	$18,442,696	7,983,851	+307,370	+4%	$2.31	Q4 2023
30 Sep 2023	0.27%	+0.02%	$9,902,660	7,676,481	+634,090	+9%	$1.29	Q3 2023
30 Jun 2023	0.22%	+0.03%	$9,295,956	7,042,391	+797,494	+13%	$1.32	Q2 2023
31 Mar 2023	0.11%	0%	$4,414,518	6,244,897	0		$0.71	Q1 2023
31 Dec 2022	0.11%	0%	$4,683,673	6,244,897	0		$0.75	Q4 2022
30 Sep 2022	0.14%	+0%	$5,377,000	6,244,897	+14,622	+0.23%	$0.86	Q3 2022
30 Jun 2022	0.2%	+0.01%	$6,978,000	6,230,275	+155,332	+2.6%	$1.12	Q2 2022
31 Mar 2022	0.17%	+0.01%	$6,804,000	6,074,943	+489,322	+8.8%	$1.12	Q1 2022
31 Dec 2021	0.21%	+0.03%	$8,937,000	5,585,621	+752,643	+16%	$1.60	Q4 2021
30 Sep 2021	0.25%	+0.01%	$11,696,000	4,832,978	+290,209	+6.4%	$2.42	Q3 2021
30 Jun 2021	0.29%	+0%	$14,401,000	4,542,769	+47,900	+1.1%	$3.17	Q2 2021
31 Mar 2021	0.33%	+0.33%	$15,148,000	4,494,869	+4,494,869	NEW	$3.37	Q1 2021

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.