ProQR Therapeutics N.V.

PRQRNASDAQ

$1.67+0.04 (+2.14% today)

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Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

ProQR Therapeutics N.V. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-29.2%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Adage Capital Partners GP, L.L.C.	8.56%	$16.8M	0.02%	Add 44.17%
Aberdeen Group plc	8.48%	$16.6M	0.02%	Add 169.30%
Affinity Asset Advisors, LLC	5.26%	$10.3M	0.47%	Add 125.89%
Privium Fund Management B.V.	5.24%	$10.3M	1.89%	Add 0.97%
Ikarian Capital, LLC	3.25%	$6.37M	0.69%	Add 129.58%
Woodline Partners LP	3.11%	$6.1M	0.02%	Not reported
Heights Capital Management, Inc	2.62%	$5.14M	1.19%	New Not reported
Morgan Stanley	1.68%	$3.29M	0.00%	Not reported
Sphera Funds Management Ltd.	1.67%	$3.27M	0.43%	New Not reported
Kynam Capital Management, LP	1.49%	$2.91M	0.16%	Not reported
DAFNA Capital Management LLC	1.45%	$2.85M	0.54%	Reduce 2.37%
Squadron Capital Management LLC	1.43%	$2.81M	0.87%	New Not reported
683 Capital Management, LLC	1.32%	$2.59M	0.13%	New Not reported
Citadel Advisors LLC	1.12%	$2.2M	0.00%	Not reported
Platinum Investment Management Ltd	1.10%	$2.16M	0.53%	Reduce 6.16%
Two Sigma Investments, LP	1.08%	$2.12M	0.00%	Not reported
Eversept Partners, LP	0.97%	$1.9M	0.10%	New Not reported
Boothbay Fund Management, LLC	0.90%	$1.76M	0.02%	Not reported
Diadema Partners LP	0.88%	$1.72M	0.22%	Add 414.22%
UBS Group AG	0.61%	$1.19M	0.00%	Not reported
Nomura Asset Management International Inc.	0.59%	$1.15M	0.00%	Not reported
M28 Capital Management LP	0.57%	$1.12M	2.37%	Not reported
Raymond James Financial Inc	0.54%	$1.06M	0.00%	Not reported
Lynx1 Capital Management LP	0.49%	$970K	0.11%	Add 661.34%
Jane Street Group, LLC	0.43%	$846K	0.00%	Not reported
Stempoint Capital LP	0.41%	$802K	0.14%	Not reported
BNP Paribas Financial Markets	0.26%	$513K	0.00%	Not reported
Monaco Asset Management SAM	0.23%	$455K	0.04%	Reduce 41.62%
Persistent Asset Partners Ltd	0.22%	$440K	0.13%	Add 413.28%
Palo Alto Investors LP	0.18%	$351K	0.05%	Not reported
Burkehill Global Management, LP	0.17%	$328K	0.01%	New Not reported
Gsa Capital Partners LLP	0.17%	$323K	0.02%	Not reported
Millennium Management LLC	0.15%	$299K	0.00%	Not reported
Franklin Street Advisors Inc	0.14%	$279K	0.02%	Not reported
Deutsche Bank Ag\	0.10%	$202K	0.00%	Not reported
OneDigital Investment Advisors LLC	0.08%	$158K	0.00%	Not reported
Quadrature Capital Ltd	0.08%	$158K	0.00%	Not reported
RFG Advisory, LLC	0.06%	$119K	0.00%	Add 236.84%
Bank of America Corp	0.06%	$108K	0.00%	Not reported
Geode Capital Management, LLC	0.06%	$108K	0.00%	Not reported
Point72 Asset Management, L.P.	0.05%	$94.2K	0.00%	Not reported
Keating Financial Advisory Services, Inc.	0.05%	$88.4K	0.01%	Add 131.37%
Velan Capital Investment Management LP	0.04%	$83.7K	0.05%	Not reported
Guggenheim Capital LLC	0.04%	$74.3K	0.00%	Add 44.53%
Steward Partners Investment Advisory, LLC	0.03%	$65.5K	0.00%	Not reported
Axiom Investment Management LLC	0.03%	$57.7K	0.04%	Reduce 6.06%
Moody Lynn Lieberson & Walker, LLC	0.02%	$46.5K	0.00%	Not reported
Vanguard Personalized Indexing Management, LLC	0.02%	$41.1K	0.00%	Not reported
Mariner, LLC	0.02%	$37.5K	0.00%	Not reported
Verdad Advisers, LP	0.02%	$35.5K	0.03%	Not reported

50 of 69 holders

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