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.

Q2 2023 vs. Q1 2023

How the institutions holding ProQR Therapeutics N.V. changed between Q1 2023 and Q2 2023.

All holders in Q2 2023 All holders in Q1 2023

13F holders of PRQR: Q1 2023 compared with Q2 2023
Measure	Q1 2023	Q2 2023	Change
Holders	55	51	−4
Shares	22.3M	21.1M	−1.19M (−5.3%)
Value	$47.5M	$34.2M	−$13.3M (−28.0%)

New holders (8)

Institutions that held ProQR Therapeutics N.V. at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to PRQR in Q2 2023
Institution	Shares	Value	% of portfolio
Renaissance Technologies LLC	200,499	$325.0K	0.00%
Squarepoint Ops LLC	134,142	$217.3K	0.00%
Gsa Capital Partners LLP	43,836	$71.0K	0.01%
Centiva Capital, LP	23,160	$37.5K	0.00%
Invesco Ltd.	19,122	$31.0K	0.00%
Resources Investment Advisors, LLC.	15,300	$24.8K	0.00%
Truist Financial Corp	10,000	$16.2K	0.00%
Group One Trading, L.P.	3,892	$6.30K	0.00%

Sold out (12)

Institutions that held ProQR Therapeutics N.V. at the end of Q1 2023 and filed for Q2 2023 without it.

Institutions that sold out of PRQR in Q2 2023
Institution	Shares, Q1 2023	Value, Q1 2023
Cubist Systematic Strategies, LLC	101,003	$215.1K
Virtu Financial LLC	94,564	$201.0K
Occudo Quantitative Strategies LP	88,617	$188.8K
Verition Fund Management LLC	63,847	$136.0K
Jane Street Group, LLC	55,868	$119.0K
Kapitalo Investimentos Ltda	54,811	$116.7K
Rafferty Asset Management, LLC	21,680	$46.2K
Two Sigma Securities, LLC	19,041	$40.6K
StoneX Group Inc.	14,900	$31.7K
Tower Research Capital LLC (TRC)	14,132	$30.0K
Point72 Middle East FZE	5,252	$11.2K
Advisory Services Network, LLC	200	$426