ProQR Therapeutics Ownership | Who Owns ProQR Therapeutics?

ProQR Therapeutics Ownership Summary

ProQR Therapeutics is owned by 10.70% institutional investors, 17.67% insiders, and 71.64% retail investors. Adage capital partners gp is the largest institutional shareholder, holding 6.07% of PRQR shares. abrdn World Healthcare is the top mutual fund, with 4.47% of its assets in ProQR Therapeutics shares.

PRQR Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	ProQR Therapeutics	10.70%	17.67%	71.64%
Sector	Healthcare Stocks	50.59%	12.40%	37.01%
Industry	Biotech Stocks	49.10%	12.14%	38.76%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Adage capital partners gp	6.25M	6.07%	$10.13M
Privium fund management b.v.	5.47M	5.31%	$8.86M
Abrdn	3.32M	3.22%	$5.37M
Affinity asset advisors	2.45M	2.38%	$3.98M
Dafna capital management	1.57M	1.52%	$2.54M
Kynam capital management, lp	1.57M	1.52%	$2.54M
Ikarian capital	1.49M	1.45%	$2.42M
Morgan stanley	1.30M	1.26%	$2.11M
Platinum investment management	1.24M	1.20%	$2.00M
Ghost tree capital	900.00K	1.10%	$1.49M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Privium fund management b.v.	5.47M	1.84%	$8.86M
M28 capital management lp	599.79K	1.81%	$971.66K
Dafna capital management	1.57M	0.58%	$2.54M
Platinum investment management	1.24M	0.50%	$2.00M
Ghost tree capital	900.00K	0.47%	$1.49M
Affinity asset advisors	2.45M	0.21%	$3.98M
Ikarian capital	1.49M	0.20%	$2.42M
Kynam capital management, lp	1.57M	0.16%	$2.54M
Monaco asset management sam	418.80K	0.13%	$678.46K
Diadema partners lp	180.08K	0.05%	$291.73K

Top Buyers

Holder	Shares	% Assets	Change
Ghost tree capital	900.00K	0.47%	900.00K
Abrdn	3.32M	0.01%	366.29K
Raymond james financial	546.08K	0.00%	203.19K
Citadel advisors	703.32K	0.00%	120.10K
Gsa capital partners llp	114.26K	0.01%	114.26K

Top Sellers

Holder	Shares	% Assets	Change
Sio capital management	-	-	-1.95M
Ecor1 capital	-	-	-1.84M
Siren	-	-	-1.55M
Woodline partners lp	92.14K	0.00%	-1.41M
Arrowmark colorado	-	-	-1.16M

New Positions

Holder	Shares	% Assets	Change	Value
Ghost tree capital	900.00K	0.47%	900.00K	$1.49M
Gsa capital partners llp	114.26K	0.01%	114.26K	$185.00K
China universal asset management	20.00K	0.00%	20.00K	$32.40K
Caitong asset management	123.00	-	123.00	$199.00

Sold Out

Holder	Change
Qube research	-33.00
Rockefeller capital management	-34.00
Activest wealth management	-100.00
Concord wealth partners	-444.00
Tower research capital llc (trc)	-1.21K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	27	-59.70%	11,021,903	-70.34%	10	0.86%	10	-69.70%	4	-63.64%
Dec 31, 2025	32	-49.21%	17,115,150	-54.41%	16	1.28%	14	-36.36%	6	-50.00%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
abrdn World Healthcare	6.31M	4.47%	-
abrdn Life Sciences Investors	2.62M	1.86%	-
MEDICAL BioHealth EUR Acc	693.92K	0.66%	-
Delaware Healthcare I	620.00K	0.60%	-
Macquarie Healthcare I	620.00K	0.59%	-
Beleggingsfonds Hoofbosch	800.00K	0.57%	-
Meridian Small Cap Growth Legacy	534.00K	0.51%	-45.18K
ArrowMark Small Cap Gro	534.00K	0.51%	-45.18K
Nomura Healthcare Fund Class I	620.00K	0.44%	-
Fidelity Small Cap Growth K6	249.00K	0.24%	249.00K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jul 31, 2026	de Boer Daniel Anton	Chief Executive Officer	Buy	$353.96K
Jul 17, 2026	Filius Bart	-	Buy	$257.93K
Jul 09, 2026	de Boer Daniel Anton	Chief Executive Officer	Buy	$261.00K
Jul 07, 2026	de Boer Daniel Anton	Chief Executive Officer	Buy	$238.50K
Jun 26, 2026	Filius Bart	-	Buy	$231.00K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	1	-
2026 Q2	1	-
2026 Q1	-	-

PRQR Ownership FAQ

Who Owns ProQR Therapeutics?

ProQR Therapeutics shareholders are primarily institutional investors at 10.70%, followed by 17.67% insiders and 71.63% retail investors. The average institutional ownership in ProQR Therapeutics's industry, Biotech Stocks , is 49.10%, 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, 6.07%), Privium fund management b.v. (5.47M shares, 5.31%), and Abrdn (3.32M shares, 3.22%). Together, they hold 14.60% 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?

Privium fund management b.v is ProQR Therapeutics’s biggest shareholder by percentage of total assets invested, with 1.84% of its assets in 5.47M ProQR Therapeutics shares, valued at 8.86M$.

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 4.47% of its total shares outstanding invested in 6.31M ProQR Therapeutics shares.

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