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ProQR Therapeutics N.V.

PRQR
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001612940

In the last 90 days, ProQR Therapeutics N.V. insiders filed 5 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.

13F holders, Q2 2026

Institutional positions in ProQR Therapeutics N.V. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
70
+1 vs. Q1 2026
Shares held
60.7M
+25.7M (+73.1%) vs. Q1 2026
Total value
$113.0M
+$56.1M (+98.8%) vs. Q1 2026
New holders
12
25 more added
Sold out
11
11 more reduced

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PRQR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 70 institutions
Q1 2021: 64 institutionsQ2 2021: 63 institutionsQ3 2021: 67 institutionsQ4 2021: 74 institutionsQ1 2022: 58 institutionsQ2 2022: 51 institutionsQ3 2022: 47 institutionsQ4 2022: 46 institutionsQ1 2023: 55 institutionsQ2 2023: 51 institutionsQ3 2023: 46 institutionsQ4 2023: 47 institutionsQ1 2024: 49 institutionsQ2 2024: 48 institutionsQ3 2024: 47 institutionsQ4 2024: 77 institutionsQ1 2025: 65 institutionsQ2 2025: 62 institutionsQ3 2025: 64 institutionsQ4 2025: 65 institutionsQ1 2026: 69 institutionsQ2 2026: 70 institutions
Value heldQ2 2026: $113.0M
Q1 2021: $286.4MQ2 2021: $259.4MQ3 2021: $333.4MQ4 2021: $364.8MQ1 2022: $28.7MQ2 2022: $17.2MQ3 2022: $15.9MQ4 2022: $60.0MQ1 2023: $47.5MQ2 2023: $34.2MQ3 2023: $24.3MQ4 2023: $37.0MQ1 2024: $39.8MQ2 2024: $28.6MQ3 2024: $31.7MQ4 2024: $117.7MQ1 2025: $54.9MQ2 2025: $82.4MQ3 2025: $80.0MQ4 2025: $75.1MQ1 2026: $56.8MQ2 2026: $113.0M
Institutions holding PRQR and their total value by quarter
QuarterHoldersValue
Q2 202670$113.0M
Q1 202669$56.8M
Q4 202565$75.1M
Q3 202564$80.0M
Q2 202562$82.4M
Q1 202565$54.9M
Q4 202477$117.7M
Q3 202447$31.7M
Q2 202448$28.6M
Q1 202449$39.8M
Q4 202347$37.0M
Q3 202346$24.3M
Q2 202351$34.2M
Q1 202355$47.5M
Q4 202246$60.0M
Q3 202247$15.9M
Q2 202251$17.2M
Q1 202258$28.7M
Q4 202174$364.8M
Q3 202167$333.4M
Q2 202163$259.4M
Q1 202164$286.4M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding ProQR Therapeutics N.V.; share changes are against Q1 2026.

Institutions holding PRQR in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Caitong International Asset Management Co., Ltd4$70.00%−119−96.7%Reduced
Medallion Wealth Advisors, LLC10$190.00%00.0%Unchanged
TD Waterhouse Canada Inc.40$700.00%00.0%Unchanged
Simplex Trading, LLC271$5040.00%−24,597−98.9%Reduced
JPMorgan Chase & Co283$5180.00%00.0%Unchanged
SBI Securities Co., Ltd.515$9580.00%00.0%Unchanged
Farther Finance Advisors, LLC1,000$1.86K0.00%00.0%Unchanged
PFS Partners, LLC1,000$1.86K0.00%00.0%Unchanged
Hilton Head Capital Partners, LLC1,404$2.61K0.00%00.0%Unchanged
Royal Bank of Canada3,305$6.00K0.00%+2,997+973.1%Added
BlackRock, Inc.3,945$7.34K0.00%00.0%Unchanged
Wells Fargo & Company4,000$7.44K0.00%00.0%Unchanged
Truist Financial Corp10,000$18.6K0.00%00.0%Unchanged
ADAR1 Capital Management, LLC10,000$18.6K0.00%00.0%Unchanged
Wetzel Investment Advisors, Inc.10,500$19.5K0.01%+10,500New
Virtu Financial LLC11,626$22.0K0.00%+11,626New
China Universal Asset Management Co., Ltd.12,500$23.3K0.00%−7,500−37.5%Reduced
Atom Investors LP13,107$24.4K0.00%00.0%Unchanged
Two Sigma Securities, LLC16,016$29.8K0.00%+16,016New
Nano Cap New Millennium Growth Fund L P17,500$32.5K0.03%+7,500+75.0%Added
Verdad Advisers, LP19,100$35.5K0.03%+19,100New
Mariner, LLC20,169$37.5K0.00%00.0%Unchanged
JustInvest LLC22,095$41.1K0.00%+2,685+13.8%Added
Moody Lynn & Lieberson, LLC25,000$46.5K0.00%00.0%Unchanged
Axiom Investment Management LLC31,000$57.7K0.04%−2,000−6.1%Reduced
Steward Partners Investment Advisory, LLC35,241$65.5K0.00%+33,941+2,610.8%Added
Guggenheim Capital LLC39,954$74.3K0.00%+12,310+44.5%Added
Velan Capital Investment Management LP45,000$83.7K0.05%00.0%Unchanged
Keating Financial Advisory Services, Inc.47,552$88.4K0.01%+27,000+131.4%Added
Point72 Asset Management, L.P.50,652$94.2K0.00%−705,190−93.3%Reduced
Geode Capital Management, LLC57,997$107.9K0.00%−26,912−31.7%Reduced
Bank of America Corp58,040$108.0K0.00%−127,070−68.6%Reduced
RFG Advisory, LLC64,000$119.0K0.00%+45,000+236.8%Added
Quadrature Capital Ltd84,806$157.7K0.00%+72,771+604.7%Added
Resources Investment Advisors, LLC.85,000$158.1K0.00%00.0%Unchanged
Deutsche Bank AG108,762$202.3K0.00%00.0%Unchanged
Franklin Street Advisors Inc150,000$279.0K0.02%00.0%Unchanged
Millennium Management LLC161,004$299.5K0.00%−33,242−17.1%Reduced
Gsa Capital Partners LLP173,844$323.0K0.02%+59,588+52.2%Added
Burkehill Global Management, LP176,243$327.8K0.01%+176,243New
Palo Alto Investors LP188,807$351.2K0.05%00.0%Unchanged
Persistent Asset Partners Ltd236,454$439.8K0.14%+190,387+413.3%Added
Monaco Asset Management SAM244,487$454.7K0.17%−174,316−41.6%Reduced
BNP Paribas Arbitrage, SA275,631$512.7K0.00%+103,282+59.9%Added
StemPoint Capital LP431,054$801.8K0.14%+431,054New
Jane Street Group, LLC455,104$846.5K0.00%+421,815+1,267.1%Added
Lynx1 Capital Management LP521,413$969.8K0.11%+452,927+661.3%Added
Raymond James Financial Inc571,073$1.06M0.00%+24,994+4.6%Added
M28 Capital Management LP599,793$1.12M2.37%00.0%Unchanged
Nomura Asset Management International Inc.620,000$1.15M0.00%00.0%Unchanged
UBS Group AG639,243$1.19M0.00%+333,979+109.4%Added
Diadema Partners LP926,016$1.72M0.61%+745,933+414.2%Added
Boothbay Fund Management, LLC948,736$1.76M0.03%+593,453+167.0%Added
Eversept Partners, LP1,022,265$1.90M0.10%+1,022,265New
Two Sigma Investments, LP1,138,715$2.12M0.00%+219,858+23.9%Added
Platinum Investment Management Ltd1,159,428$2.16M0.53%−76,086−6.2%Reduced
Citadel Advisors LLC1,184,314$2.20M0.00%+480,991+68.4%Added
683 Capital Management, LLC1,393,067$2.59M0.24%+1,393,067New
Squadron Capital Management LLC1,511,496$2.81M0.96%+1,511,496New
DAFNA Capital Management LLC1,530,361$2.85M0.54%−37,200−2.4%Reduced
Kynam Capital Management, LP1,566,317$2.91M0.16%00.0%Unchanged
Sphera Funds Management Ltd.1,757,458$3.27M0.47%+1,757,458New
Morgan Stanley1,767,215$3.29M0.00%+467,440+36.0%Added
Heights Capital Management, Inc2,762,430$5.14M1.19%+2,762,430New
Woodline Partners LP3,277,143$6.10M0.02%+3,277,143New
Ikarian Capital, LLC3,425,930$6.37M1.04%+1,933,701+129.6%Added
Privium Fund Management B.V.5,520,024$10.3M1.89%+52,875+1.0%Added
Affinity Asset Advisors, LLC5,543,936$10.3M0.50%+3,089,658+125.9%Added
Standard Life Aberdeen plc8,932,507$16.6M0.02%+5,615,542+169.3%Added
Adage Capital Partners GP, L.L.C.9,015,897$16.8M0.02%+2,762,430+44.2%Added
Sio Capital Management, LLC0$00.00%−1,954,715−100.0%Sold out
Walleye Capital LLC0$00.00%−607,529−100.0%Sold out
Northern Trust Corp0$00.00%−291,314−100.0%Sold out
Marshall Wace, LLP0$00.00%−115,945−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−91,553−100.0%Sold out
XTX Topco Ltd0$00.00%−77,287−100.0%Sold out
Invesco Ltd.0$00.00%−44,592−100.0%Sold out
Squarepoint Ops LLC0$00.00%−31,518−100.0%Sold out
Nine Masts Capital Ltd0$00.00%−29,518−100.0%Sold out
Group One Trading, L.P.0$00.00%−18,924−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−12,206−100.0%Sold out