ProQR Therapeutics PRQR Institutional Ownership

NASDAQ PRQR

$1.63 -0.03 (-1.81%)

At close: Oct 1, 2026 · 4:00 PM EDT

Institutions by Trading Activity

69 Institutions

Increased 37 53.6%

Unchanged 22 31.9%

Reduced 10 14.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

57.01%

▲+23.86 pp QoQ

Shares Held by Institutions

60.05Mn

of 105.33Mn outstanding

▲+90.19% QoQ

Shares Outstanding

105.33Mn

45.28Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+1 vs prior quarter

Net Shares Added (QoQ)

+28.48Mn

accumulated since last quarter

Value of Holdings

$99.69Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

ProQR Therapeutics N.V. (NASDAQ:PRQR) appears in 69 institutional 13F filings for the quarter ending June 2026.

Their combined ownership stood at 57.0% of outstanding shares in June 2026, up from 33.1% in March 2026.
They increased total shares held in ProQR Therapeutics by 90.19% from last quarter, and the number of investors in PRQR increased 13.11% annually.
Of these 69 funds, 37 grew their exposure to ProQR Therapeutics, 10 cut back, and 22 maintained positions.
In total, institutional investors held 60.05Mn shares in ProQR Therapeutics as of June 2026, up by 28.48Mn shares quarter on quarter, and up 23.21Mn shares year over year.
ADAGE CAPITAL PARTNERS GP, L.L.C. is the top holder of ProQR Therapeutics as of June 30, 2026, with 9.02Mn shares representing 8.56% of outstanding stock.
Leading buyers of ProQR Therapeutics shares for the quarter ending June 2026 were Aberdeen Group plc (5.62Mn), Woodline Partners LP (3.28Mn), Affinity Asset Advisors, LLC (3.09Mn), HEIGHTS CAPITAL MANAGEMENT, INC (2.76Mn), ADAGE CAPITAL PARTNERS GP, L.L.C. (2.76Mn).
Leading sellers of ProQR Therapeutics shares for the quarter ending June 2026 were Point72 Asset Management, L.P. (705.19K), Monaco Asset Management SAM (174.32K), Bank Of America Corp /De/ (127.07K), PLATINUM INVESTMENT MANAGEMENT LTD (76.09K), DAFNA Capital Management LLC (37.2K).
According to Business Quant data, leading holders of PRQR for June 2026 are ADAGE CAPITAL PARTNERS GP, L.L.C. (9.02Mn), Aberdeen Group plc (8.93Mn), Affinity Asset Advisors, LLC (5.54Mn), Privium Fund Management B.V. (5.52Mn), Ikarian Capital, LLC (3.43Mn), Woodline Partners LP (3.28Mn), HEIGHTS CAPITAL MANAGEMENT, INC (2.76Mn), Morgan Stanley (1.77Mn), SPHERA FUNDS MANAGEMENT LTD. (1.76Mn), Kynam Capital Management, LP (1.57Mn).

Form 13F Holdings

69 Institutional Holders

Report period 30 Jun, 2026

Total shares held 60.05Mn

Of outstanding 57.01%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	ADAGE CAPITAL PARTNERS GP, L.L.C.	0001165408	9,015,897	8.56%	▲2,762,430	+44.17%	$16.77Mn
2	Aberdeen Group plc	0001716774	8,932,507	8.48%	▲5,615,542	+169.30%	$16.61Mn
3	Affinity Asset Advisors, LLC	0001773195	5,543,936	5.26%	▲3,089,658	+125.89%	$10.31Mn
4	Privium Fund Management B.V.	0001795097	5,520,024	5.24%	▲52,875	+0.97%	$10.27Mn
5	Ikarian Capital, LLC	0001778253	3,425,930	3.25%	▲1,933,701	+129.58%	$6.37Mn
6	Woodline Partners LP	0001784547	3,277,143	3.11%	▲3,277,143	0.00%	$6.10Mn
7	HEIGHTS CAPITAL MANAGEMENT, INC	0001081698	2,762,430	2.62%	▲2,762,430	0.00%	$5.14Mn
8	Morgan Stanley	0000895421	1,767,215	1.68%	▲467,440	+35.96%	$3.29Mn
9	SPHERA FUNDS MANAGEMENT LTD.	0001496201	1,757,458	1.67%	▲1,757,458	0.00%	$3.27Mn
10	Kynam Capital Management, LP	0001907884	1,566,317	1.49%	0	0.00%	$2.91Mn
11	DAFNA Capital Management LLC	0001389933	1,530,361	1.45%	▼37,200	-2.37%	$2.85Mn
12	Squadron Capital Management LLC	0002050709	1,511,496	1.43%	▲1,511,496	0.00%	$2.81Mn
13	683 Capital Management, LLC	0001404574	1,393,067	1.32%	▲1,393,067	0.00%	$2.59Mn
14	CITADEL ADVISORS LLC	0001423053	1,184,314	1.12%	▲480,991	+68.39%	$2.20Mn
15	PLATINUM INVESTMENT MANAGEMENT LTD	0001256071	1,159,428	1.10%	▼76,086	-6.16%	$2.16Mn
16	TWO SIGMA INVESTMENTS, LP	0001179392	1,138,715	1.08%	▲219,858	+23.93%	$2.12Mn
17	Eversept Partners, LP	0001697013	1,022,265	0.97%	▲1,022,265	0.00%	$1.90Mn
18	BOOTHBAY FUND MANAGEMENT, LLC	0001549230	948,736	0.90%	▲593,453	+167.04%	$1.76Mn
19	DIADEMA PARTNERS LP	0002026172	926,016	0.88%	▲745,933	+414.22%	$1.72Mn
20	UBS Group AG	0001610520	639,243	0.61%	▲333,979	+109.41%	$1.19Mn

Showing 1 to 20 of 69 holders