ProQR Therapeutics PRQR Institutional Ownership

NASDAQ PRQR

$2.07 -0.02 (-0.96%)

At close: Sep 4, 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

$125.51Mn

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) is held by 69 institutional investors per 13F filings through 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 PRQR by 90.19% quarter over quarter, and investors in ProQR Therapeutics increased 13.11% from a year ago.
Of these 69 funds, 37 grew their exposure to ProQR Therapeutics, 10 cut back, and 22 maintained positions.
Altogether, these fund groups held 60.05Mn shares in PRQR by June 2026, up by 28.48Mn shares quarter on quarter, and up 23.09Mn shares year over year.
ADAGE CAPITAL PARTNERS GP, L.L.C. holds the largest position in PRQR at 9.02Mn shares as of June 30, 2026, or 8.56% of shares outstanding.
Top purchasers of PRQR stock for the quarter ending June 2026 included Aberdeen Group plc (5.62Mn), Woodline Partners LP (3.28Mn), Affinity Asset Advisors, LLC (3.09Mn), ADAGE CAPITAL PARTNERS GP, L.L.C. (2.76Mn), HEIGHTS CAPITAL MANAGEMENT, INC (2.76Mn).
Top sellers of PRQR stock for the quarter ending June 2026 included 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).
ProQR Therapeutics's 10 largest shareholders as of June 2026 include 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) per Business Quant data.

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