Mereo BioPharma Group Ownership | Who Owns Mereo BioPharma Group?

Mereo BioPharma Group Ownership Summary

Mereo BioPharma Group is owned by 12.57% institutional investors, 0.96% insiders, and 86.47% retail investors. Janus henderson group is the largest institutional shareholder, holding 2.22% 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	12.57%	0.96%	86.47%
Sector	Healthcare Stocks	488.30%	11.08%	-399.38%
Industry	Biotech Stocks	307.10%	11.11%	-218.21%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Janus henderson group	17.12M	2.22%	$59.84M
Rubric capital management lp	15.31M	1.99%	$53.58M
Frazier life sciences management	9.44M	1.20%	$25.58M
Mangrove partners	8.64M	1.10%	$23.40M
Deerfield management company, l.p. (series c)	6.71M	0.86%	$18.19M
Alkeon capital management	4.70M	0.60%	$12.73M
Rock springs capital management lp	4.47M	0.57%	$12.10M
683 capital management	4.35M	0.55%	$11.79M
Millennium management	3.97M	0.51%	$13.88M
Clearline capital lp	3.62M	0.46%	$9.81M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Tejara capital	2.43M	3.05%	$6.59M
Mangrove partners	8.64M	2.51%	$23.40M
Frazier life sciences management	9.44M	1.02%	$25.58M
Healthinvest partners ab	764.90K	0.89%	$2.07M
683 capital management	4.35M	0.77%	$11.79M
Rock springs capital management lp	4.47M	0.75%	$12.10M
Rubric capital management lp	15.31M	0.69%	$53.58M
Artia global partners lp	421.36K	0.53%	$1.47M
Knoll capital management	260.47K	0.50%	$705.87K
Knott david m jr	319.34K	0.39%	$865.40K

Top Buyers

Holder	Shares	% Assets	Change
Janus henderson group	17.12M	0.03%	4.78M
Ubs group	2.65M	0.00%	2.65M
Frazier life sciences management	9.44M	1.02%	1.62M
Abrdn	3.03M	0.01%	840.52K
Schonfeld strategic advisors	493.90K	0.01%	493.90K

Top Sellers

Holder	Shares	% Assets	Change
Rock springs capital management lp	4.47M	0.75%	-2.22M
Adage capital partners gp	-	-	-1.70M
Ubs asset management americas	-	-	-1.57M
Millennium management	3.97M	0.01%	-1.43M
Great point partners	-	-	-1.27M

New Positions

Holder	Shares	% Assets	Change	Value
Ubs group	2.65M	0.00%	2.65M	$9.27M
Schonfeld strategic advisors	493.90K	0.01%	493.90K	$1.73M
Paloma partners management	296.66K	0.12%	296.66K	$803.95K
Forefront wealth partners	33.18K	0.02%	33.18K	$68.35K
Aquatic capital management	26.93K	0.00%	26.93K	$72.98K

Sold Out

Holder	Change
Grove bank & trust	-12.00
Plante moran financial advisors	-48.00
Cranbrook wealth management	-60.00
Geowealth management	-158.00
Signaturefd	-187.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Jun 30, 2024	80	-4.76%	100,517,090	19.63%	14	8870446.46%	34	-33.33%	27	125.00%

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	1.71M	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 12.57%, followed by 0.96% insiders and 86.47% retail investors. The average institutional ownership in Mereo BioPharma Group's industry, Biotech Stocks , is 307.10%, which Mereo BioPharma Group falls below.

Who owns the most shares of Mereo BioPharma Group?

Mereo BioPharma Group’s largest shareholders are Janus henderson group (17.12M shares, 2.22%), Rubric capital management lp (15.31M shares, 1.99%), and Frazier life sciences management (9.44M shares, 1.20%). Together, they hold 5.41% 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 3.05% of its assets in 2.43M Mereo BioPharma Group shares, valued at 6.59M$.

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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