ProQR Therapeutics N.V. - Ordinary Shares, nominal value Euro 0.04 per share (PRQR)

Q: What does CUSIP N71542109 represent in this 13F holders report?

CUSIP N71542109 is the security identifier for PRQR - ProQR Therapeutics N.V. - Ordinary Shares, nominal value Euro 0.04 per share used to aggregate holder disclosures.

Q: How many institutions held PRQR - ProQR Therapeutics N.V. - Ordinary Shares, nominal value Euro 0.04 per share in Q3 2023?

45 institutional investors reported PRQR - ProQR Therapeutics N.V. - Ordinary Shares, nominal value Euro 0.04 per share for Q3 2023. Use the holders table for investor-level position and value details.

CUSIP: N71542109

Q3 2023 13F Holders as of 30 Sep 2023

Security type / class: Equity / Ordinary Shares, nominal value Euro 0.04 per share
Total 13F shares: 18,716,181
Total 13F value: $24,328,704
Share change: -2,416,279
SEC-reported price per share: $1.30
Number of holders: 45
Value change: -$3,600,695
Number of buys: 12
Number of sells: 18
Shares outstanding: 141,139,908

Security key

N71542109

Report period

Q3 2023

Institutions

Top holders

PRQR full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 ProQR Therapeutics N.V. SEC filings ProQR Therapeutics N.V. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP N71542109

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of PRQR - ProQR Therapeutics N.V. - Ordinary Shares, nominal value Euro 0.04 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Privium Fund Management B.V.

Disclosed value leader

Privium Fund Management B.V.

Comparable rows

0/15

Latest evidence

30 Jun 2023

13F Highest disclosed value: $8,658,003 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Privium Fund Management B.V. has the largest disclosed position value at $8.66M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Privium Fund Management B.V.'s linked filing trail.

Disclosed position value Top 5

Privium Fund Management B.V. $8.66M

ADAGE CAPITAL PARTNERS GP, L.L.C. $5.87M

EcoR1 Capital, LLC $4.83M

M28 Capital Management LP $3.1M

DAFNA Capital Management LLC $1.52M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Privium Fund Management B.V.	13F Company 13F	— denominator unverified	$8,658,003 5,344,446 shares	—	30 Jun 2023
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	— denominator unverified	$5,873,257 3,625,467 shares	—	30 Jun 2023
EcoR1 Capital, LLC	13F Company 13F	— denominator unverified	$4,827,626 2,980,016 shares	—	30 Jun 2023
M28 Capital Management LP	13F Company 13F	— denominator unverified	$3,095,172 1,910,600 shares	—	30 Jun 2023
DAFNA Capital Management LLC	13F Company 13F	— denominator unverified	$1,523,743 940,582 shares	—	30 Jun 2023
Opaleye Management Inc.	13F Company 13F	— denominator unverified	$1,057,860 653,000 shares	—	30 Jun 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

18,716,181

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2023 vs Q2 2023 Across Filers

Q2 2023 holders

Q3 2023 holders

Holder diff

-5

Investor	Q2 2023 Shares	Q3 2023 Shares	Share Diff	Share Chg %	Q2 2023 value	Q3 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend