ProQR Therapeutics N.V.

PRQR

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001612940

SEC filings (opens in a new tab)

In the last 90 days, ProQR Therapeutics N.V. insiders filed 4 open-market purchases and 0 sales; 70 institutions reported holding it in 13F filings for Q2 2026, worth $113.0M in total; no superinvestor holds it.

Q4 2024 vs. Q3 2024

How the institutions holding ProQR Therapeutics N.V. changed between Q3 2024 and Q4 2024.

All holders in Q4 2024 All holders in Q3 2024

13F holders of PRQR: Q3 2024 compared with Q4 2024
Measure	Q3 2024	Of which not filed for Q4 2024	Q4 2024	Change
Holders	47	1	77	+31
Shares	17.4M	887.7K	44.4M	+27.9M (+168.2%)
Value	$31.7M	$1.62M	$117.7M	+$87.6M (+290.6%)

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (39)

Institutions that held ProQR Therapeutics N.V. at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to PRQR in Q4 2024
Institution	Shares	Value	% of portfolio
Woodline Partners LP	3,557,001	$9.43M	0.06%
Affinity Asset Advisors, LLC	2,825,000	$7.49M	1.17%
Sio Capital Management, LLC	2,054,593	$5.44M	1.53%
Kynam Capital Management, LP	1,750,000	$4.64M	0.31%
Siren, L.L.C.	1,575,000	$4.17M	0.18%
Platinum Investment Management Ltd	1,538,247	$4.08M	0.24%
Point72 Asset Management, L.P.	1,491,275	$3.95M	0.01%
ArrowMark Colorado Holdings LLC	1,181,413	$3.13M	0.04%
Altium Capital Management LP	575,000	$1.52M	0.47%
Walleye Capital LLC	451,303	$1.20M	0.01%
UBS Oconnor LLC	227,020	$601.6K	0.02%
Diadema Partners LP	158,023	$418.8K	0.47%
Cubist Systematic Strategies, LLC	133,690	$354.3K	0.01%
M&T Bank Corp	124,770	$330.3K	0.00%
Raymond James Financial Inc	97,928	$259.5K	0.00%
American Century Companies Inc	89,527	$237.2K	0.00%
XTX Topco Ltd	61,597	$163.2K	0.01%
Marshall Wace, LLP	59,515	$157.7K	0.00%
Velan Capital Investment Management LP	40,500	$107.3K	0.09%
Virtu Financial LLC	31,158	$83.0K	0.00%
The PNC Financial Services Group, Inc.	28,903	$76.6K	0.00%
Jump Financial, LLC	26,702	$70.8K	0.00%
Ballentine Partners, LLC	23,035	$61.0K	0.00%
ADAR1 Capital Management, LLC	20,394	$54.0K	0.01%
Two Sigma Securities, LLC	15,116	$40.1K	0.01%
Alpine Global Management, LLC	14,749	$39.1K	0.01%
Engineers Gate Manager LP	14,580	$38.6K	0.00%
Invesco Ltd.	11,887	$31.5K	0.00%
Jane Street Group, LLC	11,400	$30.2K	0.00%
Simplex Trading, LLC	9,909	$26.0K	0.00%
Signaturefd, LLC	5,824	$15.4K	0.00%
Quadrant Capital Group LLC	5,488	$14.5K	0.00%
Tower Research Capital LLC (TRC)	3,632	$9.63K	0.00%
US Bancorp	2,214	$5.87K	0.00%
Lindbrook Capital, LLC	2,135	$5.66K	0.00%
Steward Partners Investment Advisory, LLC	651	$1.73K	0.00%
Concord Wealth Partners	444	$1.18K	0.00%
SBI Securities Co., Ltd.	98	$260	0.00%
Medallion Wealth Advisors, LLC	10	$27	0.00%

Sold out (8)

Institutions that held ProQR Therapeutics N.V. at the end of Q3 2024 and filed for Q4 2024 without it.

Institutions that sold out of PRQR in Q4 2024
Institution	Shares, Q3 2024	Value, Q3 2024
EcoR1 Capital, LLC	1,835,991	$3.34M
Ikarian Capital, LLC	483,583	$880.1K
Schonfeld Strategic Advisors LLC	412,190	$750.2K
Acadian Asset Management LLC	93,358	$165.0K
EP Wealth Advisors, LLC	11,500	$20.9K
Csenge Advisory Group	10,000	$18.5K
Federation des caisses Desjardins du Quebec	7,496	$13.6K
Flaharty Asset Management, LLC	2,000	$3.64K

Not filed for Q4 2024 yet (1)

Institutions that held ProQR Therapeutics N.V. at the end of Q3 2024 and haven't filed a 13F for Q4 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PRQR in Q3 2024 that haven't filed for Q4 2024
Institution	Shares, Q3 2024	Value, Q3 2024
Ghost Tree Capital, LLC	887,700	$1.62M