ProQR Therapeutics Ownership | Who Owns ProQR Therapeutics?

ProQR Therapeutics Ownership Summary

ProQR Therapeutics is owned by 18.85% institutional investors, 18.04% insiders, and 63.11% retail investors. Adage capital partners gp is the largest institutional shareholder, holding 5.94% of PRQR shares. abrdn World Healthcare is the top mutual fund, with 1.76% of its assets in ProQR Therapeutics shares.

PRQR Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	ProQR Therapeutics	18.85%	18.04%	63.11%
Sector	Healthcare Stocks	42.50%	10.81%	46.69%
Industry	Biotech Stocks	45.24%	10.75%	44.01%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Adage capital partners gp	6.25M	5.94%	$13.32M
Privium fund management b.v.	5.00M	4.74%	$10.65M
Millennium management	2.83M	3.46%	$7.49M
Affinity asset advisors	3.60M	3.42%	$7.67M
Morgan stanley	2.90M	2.75%	$6.18M
Abrdn	2.30M	2.18%	$4.90M
Sio capital management	2.08M	1.97%	$4.42M
Kynam capital management, lp	1.65M	1.57%	$3.51M
Dafna capital management	1.57M	1.49%	$3.34M
Siren	1.55M	1.47%	$3.31M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
M28 capital management lp	1.02M	3.19%	$2.17M
Privium fund management b.v.	5.00M	1.91%	$10.65M
Sio capital management	2.08M	1.12%	$4.42M
Dafna capital management	1.57M	0.82%	$3.34M
Affinity asset advisors	3.60M	0.67%	$7.67M
Ghost tree capital	900.00K	0.47%	$1.49M
Kynam capital management, lp	1.65M	0.26%	$3.51M
Ikarian capital	892.23K	0.19%	$1.90M
Platinum investment management	1.24M	0.17%	$2.63M
Siren	1.55M	0.13%	$3.31M

Top Buyers

Holder	Shares	% Assets	Change
Millennium management	2.83M	0.00%	2.68M
Ghost tree capital	900.00K	0.47%	900.00K
Abrdn	2.30M	0.01%	448.48K
Two sigma investments, lp	417.30K	0.00%	193.26K
Palo alto investors lp	188.81K	0.07%	188.81K

Top Sellers

Holder	Shares	% Assets	Change
Ecor1 capital	-	-	-1.84M
Woodline partners lp	92.14K	0.00%	-1.41M
Ubs group	94.55K	-	-1.05M
Altium capital management lp	-	-	-575.00K
Schonfeld strategic advisors	-	-	-412.19K

New Positions

Holder	Shares	% Assets	Change	Value
Ghost tree capital	900.00K	0.47%	900.00K	$1.49M
Palo alto investors lp	188.81K	0.07%	188.81K	$402.16K
Fifth third bancorp	30.00K	0.00%	30.00K	$63.90K
Citigroup	22.72K	-	22.72K	$48.40K
Tower research capital llc (trc)	893.00	0.00%	893.00	$1.90K

Sold Out

Holder	Change
Qube research	-33.00
Concord wealth partners	-444.00
Simplex trading	-856.00
Flaharty asset management	-2.00K
Lindbrook capital	-2.13K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	41	-32.79%	19,858,062	-46.32%	18	1.53%	13	-35.00%	6	-70.00%
Jun 30, 2025	63	-4.55%	40,453,402	-2.03%	38	2.50%	21	-16.00%	21	5.00%
Mar 31, 2025	66	-16.46%	41,291,570	-7.02%	39	1.33%	25	-54.55%	20	185.71%
Dec 31, 2024	41	-16.33%	6,318,688	-63.78%	7	1.70%	27	80.00%	4	-66.67%
Sep 30, 2024	49	-2.00%	17,443,866	0.89%	21	4.75%	15	66.67%	12	-20.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
abrdn World Healthcare	1.85M	1.76%	-
Beleggingsfonds Hoofbosch	800.00K	0.76%	-
MEDICAL BioHealth EUR Acc	693.92K	0.66%	-
Delaware Healthcare I	620.00K	0.60%	-
Macquarie Healthcare I	620.00K	0.59%	-
Meridian Small Cap Growth Legacy	559.74K	0.53%	-
ArrowMark Small Cap Gro	559.74K	0.53%	-
Fidelity Small Cap Growth K6	249.00K	0.24%	249.00K
RIM Global Bioscience EUR	139.79K	0.13%	-
Avantis International Small Cap Val ETF	65.54K	0.06%	-

PRQR Ownership FAQ

Who Owns ProQR Therapeutics?

ProQR Therapeutics shareholders are primarily institutional investors at 18.85%, followed by 18.04% insiders and 63.11% retail investors. The average institutional ownership in ProQR Therapeutics's industry, Biotech Stocks , is 45.24%, which ProQR Therapeutics falls below.

Who owns the most shares of ProQR Therapeutics?

ProQR Therapeutics’s largest shareholders are Adage capital partners gp (6.25M shares, 5.94%), Privium fund management b.v. (5M shares, 4.74%), and Millennium management (2.83M shares, 3.46%). Together, they hold 14.14% of ProQR Therapeutics’s total shares outstanding.

Does Blackrock own ProQR Therapeutics?

BlackRock is not among the top 10 institutional shareholders of ProQR Therapeutics.

Who is ProQR Therapeutics’s biggest shareholder by percentage of total assets invested?

M28 capital management lp is ProQR Therapeutics’s biggest shareholder by percentage of total assets invested, with 3.19% of its assets in 1.02M ProQR Therapeutics shares, valued at 2.17M$.

Who is the top mutual fund holder of ProQR Therapeutics shares?

abrdn World Healthcare is the top mutual fund holder of ProQR Therapeutics shares, with 1.76% of its total shares outstanding invested in 1.85M ProQR Therapeutics shares.

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