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 Q2 2022?

47 institutional investors reported PRQR - ProQR Therapeutics N.V. - Ordinary Shares, nominal value Euro 0.04 per share for Q2 2022. Use the holders table for investor-level position and value details.

CUSIP: N71542109

Q2 2022 13F Holders as of 30 Jun 2022

Security type / class: Equity / Ordinary Shares, nominal value Euro 0.04 per share
Total 13F shares: 22,126,805
Total 13F value: $17,208,344
Share change: -9,625,041
Put/Call ratio: 0%
SEC-reported price per share: $0.78
Number of holders: 47
Value change: -$8,963,813
Number of buys: 22
Number of sells: 32
Shares outstanding: 141,139,908

Security key

N71542109

Report period

Q2 2022

Institutions

Top holders

PRQR full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 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: Q2 2026

Recent filing periods:

Q2 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

RTW INVESTMENTS, LP

Disclosed value leader

RTW INVESTMENTS, LP

Comparable rows

15/15

Latest evidence

31 Mar 2022

13F Lead comparable stake: 5% Showing 1-6 of 15 holder rows.

Quick read

RTW INVESTMENTS, LP leads the comparable SEC ownership view at 5%.

15 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 RTW INVESTMENTS, LP's linked filing trail.

Comparable ownership Top 5

RTW INVESTMENTS, LP 5%

Privium Fund Management B.V. 3.7%

ADAGE CAPITAL PARTNERS GP, L.L.C. 2.3%

WELLINGTON MANAGEMENT GROUP LLP 2.2%

Opaleye Management Inc. 1.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

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

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
RTW INVESTMENTS, LP	13F Company 13F	5%	$6,354,000 7,019,610 shares	—	31 Mar 2022
Privium Fund Management B.V.	13F Company 13F	3.7%	$4,747,000 5,244,446 shares	—	31 Mar 2022
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	2.3%	$2,987,000 3,300,000 shares	—	31 Mar 2022
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	2.2%	$2,791,000 3,084,150 shares	—	31 Mar 2022
Opaleye Management Inc.	13F Company 13F	1.7%	$2,195,000 2,425,000 shares	—	31 Mar 2022
FIL Ltd	13F Company 13F	0.78%	$1,000,000 1,105,093 shares	—	31 Mar 2022

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 Q2 2022

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

Institutions

22,126,805

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 Q2 2022 vs Q1 2022 Across Filers

Q1 2022 holders

Q2 2022 holders

Holder diff

-9

Investor	Q1 2022 Shares	Q2 2022 Shares	Share Diff	Share Chg %	Q1 2022 value	Q2 2022 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend