Recent Updates
Recently added Catalysts

ProQR Therapeutics N.V.

PRQR
Richly ValuedPharma · Clinical
FDA catalysts, PDUFA dates & pipeline intelligence
$1.57
▼ -0.06 · -3.68%

Financials

Last updated
Revenue
R&D Expenses
Operating CF
Total Assets
Total Liabilities
Equity
Shares Out.
D/E Ratio
Dilution Watch
Quarterly Cash
Unlock full PRQR financials and dilution scoring
Quarter by quarter figures, cash trend and dilution risk.
Institutional-grade data · Cancel anytime
52W LOW $1.3352W HIGH $3.10
Volume
1.16 M
Value Traded
939.16 K
Short % Float
2.45%
-3.98%Week
-21.11%1 Month
-9.25%3 Month
-15.14%6 Month
-75.66%5 Year
-92.16%All Time

Cash Data

Unlock PRQR cash and runway
  • Monthly Burn
  • Burn Trend
  • Dilution Risk
  • SEC Filing

Key Stats

Market Cap
221.56 M
EPS (TTM)
-0.50
P/E Ratio
-
Ent. Value
86.70 M
Total Shares
141.12 M
Float Shares
98.25 M
Insiders
28.85%
Institutions
44.57%

Upcoming Catalysts

FDA decisions, readouts and PDUFA dates · scored by probability of approval

Catalyst Drug / Treatment Stage Prob. of Approval Description Drug Type Therapeutic Area Source
Phase 1b topline data readout
AX-0810 (GalNAc-conjugated editing oligonucleotide)
Primary Sclerosing Cholangitis (PSC), cholestatic disease patients
Phase 1bRNA-Based TherapiesDigestive System
Unlock every PRQR catalyst date and PoA score
Every FDA decision, readout and PDUFA date, with drug type, therapeutic area and a PoA score you can trade on.
Institutional-grade data · Cancel anytime
PoA blends historical approval base rates, trial design score and FDA review track record.

PRQR Catalyst Timeline

Dated clinical, regulatory and corporate events for ProQR Therapeutics N.V.

Catalyst Timeline

Dated clinical, regulatory & corporate events for ProQR Therapeutics N.V.

830Total events
24Upcoming
148Tier-1 (high impact)
2014 to 2028Coverage

Upcoming catalysts 2

T1Topline Readout
Subscribe to view catalyst details
T2IND Submission
Subscribe to view catalyst details
AX-0422

Event history 50

●Management ChangeCorporate
Thomas Wolf joins Board of Directors as strategic AI advisor
▲First Patient DosedAX-0811Trial
First participant dosed in Phase 1 study of AX-0811
cholestatic liver diseases, including biliary atresiasource ↗
●Quarterly UpdateCorporate
Reported Q2 2026 financial results
●Trial InitiationAX-0811Trial
CTA submitted to EMA for AX-0811 Phase 1 trial
cholestatic diseasessource ↗
◆Equity OfferingCorporate
Expected closing of offering and concurrent private placement
▼Equity OfferingCorporate
Pricing of $50.0 million underwritten registered direct offering
▲Topline ReadoutAX-0810Clinical Data
Positive Phase 1 target engagement data for AX-0810 in healthy volunteers
cholestatic liver diseasessource ↗
◆Quarterly UpdateCorporate
Annual General Meeting of Shareholders
◆Management ChangeCorporate
Nomination of Dr. Lykke Hinsch Gylvin to Board of Directors
●IND SubmissionIND
CTA anticipated for first AI-discovered program
Unlock the full PRQR catalyst timeline
Every PDUFA date, readout, approval and corporate move, tiered by market impact and updated daily.
Institutional-grade data · Cancel anytime

Past FDA Catalysts and PDUFA Decisions

How PRQR actually traded into and out of each decision

Date Drug Catalyst Stage Reaction Event Move % Best Trade %
2026-05-14AX-2402 Pre-clinical data readout Pre-clinical
Unlock 13 more PRQR historical catalysts
Institutional-grade data · Cancel anytime
Reaction: 30 trading days around the event · Event Move: close to close on decision day · Best Trade: peak run-up from entry 10 days before the decision

Drug Pipeline Intelligence

D27 / 100
Pipeline Score
$1M
Pipeline Value
Richly Valued
Valuation Signal
2
Drugs Scored
0.0x
rNPV / MCap
Top 77%
Micro Cap
(rank 507 of 658)
Percentile Rank
ProQR Therapeutics N.V. faces pipeline headwinds (27/100), with $16M risk-adjusted pipeline value, with 2 assets in development.
Showing 1 of 2 assets
DrugIndicationPhasePTRSrNPVStatusEnrollVelocityDesignEst. CompletionML SignalLast Change
QR-421a Small moleculeCompletedNCT03780257Retinitis PigmentosaPhase 1 COMPLETED 20Oct 14, 2021
Unlock the PRQR pipeline intelligence model
Every scored asset with PTRS, rNPV, enrollment velocity and trial design quality.
Institutional-grade data · Cancel anytime

Clinical Trial Results

Readouts, endpoints and source filings for every PRQR program

Drug Name Indication Phase Date Trial Results SummaryTitleSource
AX-0810 biliary atresiaPhase 12026-06-25up to 8-fold change (6 mg/kg) in total bile acids in serum; exceeding the 2-fold threshold identified by the Company as a meaningful indicator of NTCP modulationRead MoreProQR Announces Positive Phase 1 Target Engagement Data for AX-0810, Establishing First Clinical Validation of the Axiomer RNA Editing PlatformRead More
Scroll for more · summaries link to the source press release
Unlock every PRQR trial readout
Institutional-grade data · Cancel anytime

Inside Trades

Unlock PRQR insider buying and selling
Monthly insider buys and sells against the stock price, with the insider sentiment reading.
Institutional-grade data · Cancel anytime
InsiderSideSharesPriceValueDate
de Boer Daniel AntonDirector, Officer (Chief Executive Officer)Buy 200,000 500,000 held$1.77 07/31/2026
Unlock the full PRQR insider trade log
Institutional-grade data · Cancel anytime

Hedge Fund 13F Activity

Fund % of Portfolio Current MV Shares Owned Activity
AFFINITY ASSET ADVISORS, LLC 0.5 % (150 %) 10.31 M 5.54 M 125.89% ( 3.09 M)
Unlock every fund holding PRQR
Every 13F position with quarter over quarter share flow and average entry price.
Institutional-grade data · Cancel anytime
Unlock hedge fund flows in PRQR
Shares held by hedge funds each quarter, and who bought or sold.

PRQR Institutional Ownership Trends

Options Data

Option Volume

Open Interest
Call OI
Put OI
Put-Call Ratio
OI 30-day avg
Today vs avg
Option Volume
Call Vol
Put Vol
Put-Call Ratio
Vol 30-day avg
Today vs avg

Option Chain Statistics

ExpiryCall VolPut VolVol P/CCall OIPut OIOI P/CIV CallIV Call OI-WtdIV Call Vol-WtdIV PutIV Put OI-WtdIV Put Vol-Wtd
2026-10-16
Unlock PRQR option chain statistics
Per-expiry call and put volume, open interest, put-call ratios and implied volatility.
Institutional-grade data · Cancel anytime

Real-Time Option Chain

CallsStrikePuts
LastVolOILastVolOI
No data available
Unlock the live PRQR option chain
Live calls and puts by strike: last price, volume and open interest for every expiry.
Institutional-grade data · Cancel anytime

Calls vs Puts by Expiry

CallsPutsLog scale
Unlock PRQR options analytics
Institutional-grade data · Cancel anytime

Competitive positioning

How PRQR ranks across every disease it competes in

Competitive Position is a premium feature
See how PRQR ranks against every competitor across each disease it develops in: phase, best drug, trials and likelihood of approval.
Start free trial

PRQR News

PRQR
Sep 23, 2026
PRQRGeneral
▼ -10.5%on this news

ProQR Announces Appointment of Chris Hart as Chief Data and AI Officer and Thomas Wolf to join the Board of Directors as Strategic AI Advisor

ProQR Therapeutics has appointed Chris Hart as Chief Data and AI Officer and Thomas Wolf as a strategic AI advisor to its Board of Directors. These appointments aim to enhance ProQR's AI strategy, particularly in the development of its Axiomer RNA editing platform. The company anticipates significant clinical data readouts over the next year, demonstrating the potential of AI in accelerating drug discovery.

Read more →
PRQR
Sep 9, 2026
PRQRPhases

ProQR Announces First Participant Dosed in Phase 1 Study of AX-0811 and Virtual Investor and Analyst Educational Event on September 30, 2026

ProQR Therapeutics has announced the dosing of the first participant in its Phase 1 trial for AX-0811, an investigational RNA editing oligonucleotide aimed at treating cholestatic liver diseases. The trial will assess safety and pharmacokinetics, building on previous data from AX-0810. Additionally, a virtual educational event is scheduled for September 30, 2026, to discuss the implications of NTCP modulation in biliary atresia.

Read more →
PRQR
Sep 2, 2026
PRQRConferences/Events

ProQR to Participate in Upcoming Investor Conferences in September 2026

ProQR Therapeutics will participate in two upcoming investor conferences in September 2026, including the Wells Fargo 21st Annual Healthcare Conference and the Cantor Global Healthcare Conference. The company is focused on its Axiomer RNA editing technology, which aims to develop transformative therapies for various diseases. Webcast details will be available on their website.

Read more →
PRQR
Aug 13, 2026
PRQRGeneral

ProQR Announces Second Quarter 2026 Operating and Financial Results

ProQR Therapeutics reported positive clinical validation for its Axiomer RNA editing platform, with promising AX-0810 data indicating effective NTCP modulation. The company anticipates multiple clinical milestones, including initial data from AX-0811 and the initiation of a biliary atresia trial. ProQR also strengthened its financial position with a $59.2 million financing round.

Read more →
PRQR
Jun 25, 2026
PRQRGeneral
▼ -13.5%on this news

ProQR Prices $50.0 Million Underwritten Registered Direct Offering and Concurrent Private Placement

ProQR Therapeutics has announced a successful pricing of a $50 million underwritten registered direct offering of ordinary shares at $1.81 each. Concurrently, Eli Lilly will purchase additional shares to maintain its ownership stake, contributing approximately $9.2 million. The proceeds will primarily support research and clinical development of ProQR's RNA therapies. The offering is expected to close on June 26, 2026.

Read more →
PRQR
Jun 25, 2026
PRQRPhases
▼ -13.5%on this newsshared move

ProQR Announces Positive Phase 1 Target Engagement Data for AX-0810, Establishing First Clinical Validation of the Axiomer RNA Editing Platform

ProQR Therapeutics announced positive Phase 1 data for AX-0810, showing significant target engagement in healthy volunteers. The study demonstrated dose-dependent increases in total bile acids, exceeding the predefined threshold for NTCP modulation. AX-0810 exhibited a favorable safety profile with no serious adverse events reported. The findings support further development of AX-0811 for biliary atresia.

Read more →
PRQR
May 12, 2026
PRQRGeneral

PROQR THERAPEUTICS N.V. Index to Unaudited Condensed Consolidated Financial Statements PAGE Unaudited Condensed Consolidated Statement of Financial Position at

PROQR Therapeutics N.V. has reported its financial results for the first quarter of 2026, revealing a comprehensive loss of €13.2 million, which is an increase from a €10.5 million loss in the same period last year. The company’s revenue fell sharply to €2.0 million compared to €4.5 million in Q1 2025. Operating costs also rose, affecting the overall financial performance negatively. With equity declining from €49.4 million to €37.6 million since the previous quarter, concerns over financial stability are evident.

Read more →
PRQR
May 12, 2026
PRQRGeneral

ProQR Announces First Quarter 2026 Operating and Financial Results

ProQR Therapeutics reported its Q1 2026 results, highlighting progress in its RNA editing pipeline, including the upcoming target engagement data for AX-0810 in biliary atresia. The company is expanding its pipeline with AX-0811 and AX-0422, while maintaining a strong cash position of €81.1 million. ProQR is also enhancing its Axiomer platform through AI partnerships and has nominated a new board member.

Read more →
PRQR
May 11, 2026
PRQRConferences/Events

ProQR Announces Multiple Upcoming Scientific Conference Presentations Highlighting the Breadth of its Axiomer™ RNA Editing Platform

ProQR Therapeutics has announced several upcoming presentations at scientific conferences, showcasing advancements in its Axiomer RNA editing platform. The presentations will cover various applications, including treatments for Hurler syndrome and Rett syndrome. The company anticipates initial clinical data for its lead program, AX-0810, in healthy volunteers later this quarter.

Read more →
PRQR
May 4, 2026
PRQRGeneral
▲ +5.8%on this news

ProQR Announces Annual General Meeting of Shareholders to be Held June 2, 2026

ProQR Therapeutics has announced its Annual General Meeting (AGM) of Shareholders scheduled for June 2, 2026, in Amsterdam. The meeting will cover important company updates and provide shareholders with access to relevant documents via the company's website. ProQR continues to develop its Axiomer RNA editing technology, which aims to create new therapies for various diseases.

Read more →
PRQR
Apr 30, 2026
PRQRGeneral

ProQR Announces Nomination of Dr. Lykke Hinsch Gylvin to its Board of Directors

ProQR Therapeutics has nominated Dr. Lykke Hinsch Gylvin to its Board of Directors. Dr. Gylvin, currently the Chief Medical Officer at Boehringer Ingelheim, brings extensive experience in drug development. Her nomination will be submitted for shareholder approval at the upcoming Annual General Meeting. If approved, she will serve as an independent non-executive director.

Read more →
PRQR
Apr 8, 2026
PRQRConferences/Events
▲ +7.6%on this news

ProQR Highlights Pipeline Expansion and Multiple Upcoming Clinical Catalysts at Investor and Analyst Event

ProQR Therapeutics highlighted significant updates on its RNA editing pipeline during a recent Investor and Analyst event. The company announced progress on its lead program AX-0810, which is due to report target engagement data soon, and introduced new programs AX-0811 and AX-0422 aimed at treating cholestatic diseases and Hurler syndrome, respectively. The event underscored the strength of ProQR's proprietary Axiomer platform and projected multiple upcoming clinical data readouts, indicating a robust path forward in their development strategy.

Read more →
PRQR
Apr 8, 2026
PRQRConferences/Events
▲ +7.6%on this news

EXPANDING THE AXIOMER RNA EDITING OPPORTUNITY BEYOND AX-0810 Nasdaq: PRQR |

ProQR Therapeutics is expanding its Axiomer RNA editing platform, focusing on the development of AX-2911 for metabolic dysfunction-associated steatohepatitis (MASH) and AX-0422 for Hurler Syndrome. AX-2911 has shown promising preclinical results, including a significant reduction in liver fat. Furthermore, the company is planning to initiate clinical trials for both therapies, aiming for first-in-human trials in 2027. This expansion underscores ProQR's strategic focus on addressing critical unmet medical needs in various conditions.

Read more →
PRQR
Apr 8, 2026
PRQRGeneral
▲ +7.6%on this news

ProQR Announces Partnership with Ginkgo Bioworks and Formation of AI Advisory Board

ProQR Therapeutics has announced a partnership with Ginkgo Bioworks to enhance its AI-enabled drug discovery efforts using high-throughput data generation. Additionally, the company has formed an AI Advisory Board comprising industry experts to guide its AI strategy. ProQR expects to advance its first AI-discovered Development Candidate into clinical trials by 2026.

Read more →
PRQR
Mar 25, 2026
PRQRConferences/Events
▲ +6%on this news

ProQR to Host Virtual Investor and Analyst Event Highlighting Pipeline on April 8, 2026

ProQR Therapeutics will host a virtual Investor and Analyst Event on April 8, 2026, to discuss its RNA editing pipeline, including the anticipated data for AX-0810. The event will feature presentations and a Q&A session, highlighting new clinical programs and the primary indication for AX-0810. ProQR aims to showcase its transformative RNA therapies and the potential of its Axiomer technology.

Read more →
PRQR
Mar 12, 2026
PRQRGeneral

ProQR Announces Year End 2025 Operating and Financial Results

ProQR Therapeutics reported its 2025 financial results, highlighting significant progress in its clinical pipeline, including the advancement of AX-0810 into Phase 1 trials. The company achieved collaboration milestones with Eli Lilly and selected new development candidates for Rett syndrome and MASH. However, it also reported an increase in net loss and a decrease in cash reserves compared to the previous year.

Read more →
PRQR
Mar 4, 2026
PRQRConferences/Events
▲ +13.3%on this news· ran to +26% by day 3

ProQR Announces Webcast of Presentation at the 2026 Citizens Life Sciences Conference

ProQR Therapeutics N.V. has announced that its management will present at the Citizens Life Sciences Conference on March 11, 2026. The presentation will highlight the company's innovative Axiomer™ RNA editing technology, which aims to develop new treatments for diseases by making precise edits to RNA. A live webcast of the presentation will be available on ProQR's website.

Read more →
PRQR
Feb 9, 2026
PRQRGeneral

ProQR Announces Planned Changes to Board Composition

ProQR Therapeutics announced planned changes to its Board composition, with co-founder Dinko Valerio and Alison Lawton rotating off at the upcoming AGM. This decision reflects the company's growth and commitment to corporate governance. An executive search firm has been engaged to identify new candidates for the Board to enhance long-term value creation.

Read more →
PRQR
Jan 8, 2026
PRQRPhases

ProQR Announces Encouraging AX-0810 Phase 1 Safety and PK Data, Development Candidate Selections, and 2026 Outlook

ProQR Therapeutics has announced positive initial data from its Phase 1 trial of AX-0810, indicating no safety concerns after four weeks of dosing. The company also provided updates on selected development candidates for AX-2402 and AX-2911, targeting Rett syndrome and metabolic liver disease, respectively. Additionally, ProQR highlighted a successful collaboration with Eli Lilly, which achieved significant financial milestones in 2025. Looking ahead to 2026, ProQR aims to advance its pipeline and provide further target engagement data for AX-0810.

Read more →
PRQR
Dec 1, 2025
PRQRConferences/Events
▼ -9.4%on this news

ProQR to Participate in 8th Annual Evercore Healthcare Conference

ProQR Therapeutics will participate in the 8th Annual Evercore Healthcare Conference on December 4, 2025. The company is focused on its Axiomer RNA editing technology, which aims to create new medicines for diverse diseases. Webcast details will be available on ProQR's website, and archived webcasts will be accessible for 30 days post-event.

Read more →

About ProQR Therapeutics N.V.

187 employees proqr.com
BIOPHARMAWATCH ELITE PLUS
Trade the next PRQR catalyst before the market reprices
Every FDA decision, PoA score, 13F move and dilution flag on this page, for 1,100+ biotech tickers. From $19/mo billed annually.
Cancel anytime