Mereo BioPharma Group Ownership | Who Owns Mereo BioPharma Group?

Overview Forecast RevenueFinancials Chart

Mereo BioPharma Group Ownership Summary

Mereo BioPharma Group is owned by 42.05% institutional investors, 0.96% insiders, and 56.99% retail investors. Rubric capital management lp is the largest institutional shareholder, holding 9.60% of MREO shares. abrdn World Healthcare is the top mutual fund, with 1.83% of its assets in Mereo BioPharma Group shares.

MREO Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Mereo BioPharma Group	42.05%	0.96%	56.99%
Sector	Healthcare Stocks	35.34%	11.88%	52.77%
Industry	Biotech Stocks	35.37%	11.83%	52.80%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Rubric capital management lp	15.31M	9.60%	$5.05M
Ecor1 capital	13.37M	8.39%	$4.41M
683 capital management	12.00M	7.53%	$3.96M
Mangrove partners	7.79M	4.87%	$16.05M
Newtyn management	7.08M	4.44%	$2.34M
Rock springs capital management lp	4.57M	2.86%	$9.42M
Clearline capital lp	3.83M	2.40%	$7.90M
Alkeon capital management	3.70M	2.31%	$7.62M
Millennium management	3.56M	2.23%	$1.17M
Janus henderson group	17.12M	2.22%	$59.84M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Mangrove partners	7.79M	1.19%	$16.05M
Rock springs capital management lp	4.57M	0.55%	$9.42M
Clearline capital lp	3.83M	0.36%	$7.90M
Knoll capital management	260.47K	0.29%	$536.57K
Newtyn management	7.08M	0.25%	$2.34M
Tejara capital	2.04M	0.22%	$672.38K
683 capital management	12.00M	0.21%	$3.96M
Ecor1 capital	13.37M	0.19%	$4.41M
Artia global partners lp	475.36K	0.15%	$979.24K
Rangeley capital	329.20K	0.11%	$108.64K

Top Buyers

Holder	Shares	% Assets	Change
Newtyn management	7.08M	0.25%	6.85M
Ecor1 capital	13.37M	0.19%	5.51M
Janus henderson group	17.12M	0.03%	4.78M
Millennium management	3.56M	0.00%	3.48M
Wealthspire advisors	796.04K	0.00%	796.04K

Top Sellers

Holder	Shares	% Assets	Change
Frazier life sciences management	-	-	-9.44M
Deerfield management company, l.p. (series c)	-	-	-6.71M
Schonfeld strategic advisors	-	-	-6.09M
Abrdn	-	-	-5.54M
683 capital management	12.00M	0.21%	-3.02M

New Positions

Holder	Shares	% Assets	Change	Value
Stonex group	36.87K	0.00%	36.87K	$12.17K
Independent advisor alliance	35.23K	0.00%	35.23K	$11.63K
Jpmorgan chase	21.85K	-	21.85K	$6.90K
Iht wealth management	15.00K	0.00%	15.00K	$4.95K
Scientech research	10.12K	0.01%	10.12K	$20.86K

Sold Out

Holder	Change
Grove bank & trust	-12.00
Farther finance advisors	-17.00
Plante moran financial advisors	-48.00
Cranbrook wealth management	-60.00
Principal securities	-75.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	65	-16.67%	67,034,186	8.07%	42	2.80%	27	-35.71%	18	-
Dec 31, 2025	14	-85.11%	3,959,261	-96.05%	2	0.06%	9	-76.92%	3	-86.96%
Sep 30, 2025	21	-77.66%	9,556,446	-89.83%	5	4.16%	7	-84.44%	5	-70.59%
Jun 30, 2025	94	-3.09%	98,564,900	-5.55%	12	7.10%	43	7.50%	18	-10.00%
Mar 31, 2025	98	1.03%	111,073,582	-3.58%	14	6.33%	41	5.13%	21	-16.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
abrdn World Healthcare	2.90M	1.83%	1.22M
abrdn Life Sciences Investors	2.08M	1.31%	-
UBS (Lux) EF Biotech (USD) P-acc	1.76M	1.10%	-
Fidelity Select Health Care	1.47M	0.92%	1.47M
International Biotechnology Ord	1.07M	0.67%	-
Truvalue Glb Phrmctl Blgcl Eq (QDII) A	992.10K	0.62%	992.10K
Fidelity Select Biotechnology	852.00K	0.54%	132.60K
Fidelity Advisor Biotechnology I	759.10K	0.48%	-
Fidelity Advisor Health Care I	750.42K	0.47%	750.42K
HealthInvest Sustainable Healthcare E	358.90K	0.23%	358.90K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Sep 13, 2024	Scots-Knight Denise	Chief Executive Officer	Sell	$253.45K
Sep 12, 2024	Scots-Knight Denise	Chief Executive Officer	Sell	$127.97K
Sep 12, 2024	Lewicki John A.	Chief Scientific Officer	Sell	$23.31K
Sep 13, 2024	Lewicki John A.	Chief Scientific Officer	Sell	$46.17K
Sep 12, 2024	Sermon Charles	General Counsel	Sell	$44.64K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	-
2025 Q1	-	-
2024 Q3	-	13
2024 Q2	-	12
2024 Q1	-	-

MREO Ownership FAQ

Who Owns Mereo BioPharma Group?

Mereo BioPharma Group shareholders are primarily institutional investors at 42.05%, followed by 0.96% insiders and 56.99% retail investors. The average institutional ownership in Mereo BioPharma Group's industry, Biotech Stocks , is 35.37%, which Mereo BioPharma Group exceeds.

Who owns the most shares of Mereo BioPharma Group?

Mereo BioPharma Group’s largest shareholders are Rubric capital management lp (15.31M shares, 9.60%), Ecor1 capital (13.37M shares, 8.39%), and 683 capital management (12M shares, 7.53%). Together, they hold 25.51% of Mereo BioPharma Group’s total shares outstanding.

Does Blackrock own Mereo BioPharma Group?

BlackRock is not among the top 10 institutional shareholders of Mereo BioPharma Group.

Who is Mereo BioPharma Group’s biggest shareholder by percentage of total assets invested?

Mangrove partners is Mereo BioPharma Group’s biggest shareholder by percentage of total assets invested, with 1.19% of its assets in 7.79M Mereo BioPharma Group shares, valued at 16.05M$.

Who is the top mutual fund holder of Mereo BioPharma Group shares?

abrdn World Healthcare is the top mutual fund holder of Mereo BioPharma Group shares, with 1.83% of its total shares outstanding invested in 2.9M Mereo BioPharma Group shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools