Mereo BioPharma Group Ownership | Who Owns Mereo BioPharma Group?

Overview Forecast RevenueFinancials Chart

Mereo BioPharma Group Ownership Summary

Mereo BioPharma Group is owned by 5.98% institutional investors, 0.19% insiders, and 93.83% retail investors. Rubric capital management lp is the largest institutional shareholder, holding 9.57% 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	5.98%	0.19%	93.83%
Sector	Healthcare Stocks	42.53%	10.81%	46.67%
Industry	Biotech Stocks	45.24%	10.75%	44.01%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Rubric capital management lp	15.31M	9.57%	$31.53M
Frazier life sciences management	9.44M	5.90%	$19.45M
Mangrove partners	7.79M	4.87%	$16.05M
Abrdn	5.54M	3.46%	$11.41M
683 capital management	4.88M	3.05%	$10.04M
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
Janus henderson group	17.12M	2.22%	$59.84M
Morgan stanley	3.35M	2.09%	$6.89M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Tejara capital	1.91M	2.05%	$3.93M
Mangrove partners	7.79M	1.19%	$16.05M
Blue owl capital lp	1.25M	0.80%	$2.58M
Healthinvest partners ab	764.90K	0.62%	$167.28K
Frazier life sciences management	9.44M	0.58%	$19.45M
Rock springs capital management lp	4.57M	0.55%	$9.42M
683 capital management	4.88M	0.52%	$10.04M
Clearline capital lp	3.83M	0.36%	$7.90M
Rubric capital management lp	15.31M	0.36%	$31.53M
Knoll capital management	260.47K	0.29%	$536.57K

Top Buyers

Holder	Shares	% Assets	Change
Janus henderson group	17.12M	0.03%	4.78M
Morgan stanley	3.35M	0.00%	2.56M
Abrdn	5.54M	0.02%	2.51M
Ubs asset management americas	1.91M	0.00%	1.91M
Blue owl capital lp	1.25M	0.80%	1.25M

Top Sellers

Holder	Shares	% Assets	Change
Deerfield management company, l.p. (series c)	-	-	-6.71M
Adage capital partners gp	-	-	-1.70M
Millennium management	3.97M	0.01%	-1.43M
Great point partners	-	-	-1.27M
Alkeon capital management	3.70M	0.01%	-1.00M

New Positions

Holder	Shares	% Assets	Change	Value
Blue owl capital lp	1.25M	0.80%	1.25M	$2.58M
Logos global management lp	500.00K	0.09%	500.00K	$1.03M
Acadian asset management	256.38K	0.00%	256.38K	$522.00K
Gsa capital partners llp	58.15K	0.01%	58.15K	$120.00K
Forefront wealth partners	33.18K	0.02%	33.18K	$68.35K

Sold Out

Holder	Change
Grove bank & trust	-12.00
Plante moran financial advisors	-48.00
Cranbrook wealth management	-60.00
Transce3nd	-127.00
Geowealth management	-158.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Dec 31, 2024	93	14.81%	108,788,635	2.89%	14	0.30%	38	18.75%	26	23.81%
Sep 30, 2024	81	-	105,735,860	5.18%	68	33.31%	32	-8.57%	21	-22.22%

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	1.71M	1.07%	-
Fidelity Select Health Care	1.47M	0.92%	1.47M
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	537.06K	0.34%	-
iShares Genomics Immnlgy & Hlthcr ETF	358.30K	0.23%	-
International Biotechnology Ord	351.35K	0.22%	-

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
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 5.98%, followed by 0.19% insiders and 93.83% retail investors. The average institutional ownership in Mereo BioPharma Group's industry, Biotech Stocks , is 45.24%, which Mereo BioPharma Group falls below.

Who owns the most shares of Mereo BioPharma Group?

Mereo BioPharma Group’s largest shareholders are Rubric capital management lp (15.31M shares, 9.57%), Frazier life sciences management (9.44M shares, 5.90%), and Mangrove partners (7.79M shares, 4.87%). Together, they hold 20.35% 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?

Tejara capital is Mereo BioPharma Group’s biggest shareholder by percentage of total assets invested, with 2.05% of its assets in 1.91M Mereo BioPharma Group shares, valued at 3.93M$.

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.

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