What Changed
- Prelude Therapeutics Receives FDA Clearance of Investigational New Drug (IND) Application for PRT13722, Its First-in-Class Oral KAT6A Selective Degrader
- FDA clears Prelude (PRLD) to test new breast cancer pill and the company spells out how long its cash will last
- Prelude Therapeutics to Participate in the H.C. Wainwright 28th Annual Global Investment Conference
Price Move History
- Daily moves over 5%
- 97 252 sessions, September 11, 2025 to September 11, 2026
- Largest daily move
- +150.3% close of November 3, 2025
- 1-year change
- +279.3% closing prices, September 11, 2025 to September 11, 2026
- 5-year change
- -86% closing prices, September 10, 2021 to September 11, 2026
Company Description
Prelude Therapeutics Incorporated (Nasdaq: PRLD) is a clinical-stage precision oncology company focused on discovering and developing novel cancer medicines. According to the company’s public statements, its research centers on small molecules and targeted protein degraders designed to address cancers with significant unmet medical need. Prelude’s work spans highly selective degraders, mutant-selective kinase inhibitors, and next generation degrader antibody conjugates (DACs), with an emphasis on disease-driving mutations and clinically validated targets.
Prelude describes itself as developing medicines for areas of high unmet need for cancer patients, with a pipeline that has included SMARCA2 degraders, KAT6A degraders, a mutant selective JAK2V617F JH2 inhibitor program, and CDK9 and SMARCA2/4 degrader payloads for precision DACs. The company states that its goal is to extend the promise of precision medicine to cancer patients by designing agents that are both highly selective and mechanistically aligned with key oncogenic drivers.
Core research focus and pipeline themes
Across multiple disclosures, Prelude highlights several core scientific pillars:
- SMARCA2 degraders: First-in-class, highly selective degraders of SMARCA2, designed for cancers harboring SMARCA4 deletions or mutations. The company has pursued both intravenous (PRT3789) and oral (PRT7732) SMARCA2 degraders, describing them as potential options for patients with aggressive cancers such as SMARCA4-mutated non-small cell lung cancer.
- KAT6A degraders: Highly selective, orally bioavailable KAT6A degraders targeting an emerging, clinically validated epigenetic mechanism. Prelude has described KAT6A as relevant in ER+ breast cancer and other malignancies and has reported preclinical data suggesting that selective KAT6A degradation may offer a differentiated efficacy and tolerability profile compared to non-selective KAT6A/B inhibition.
- Mutant selective JAK2V617F JH2 inhibitors: A program focused on JAK2V617F, the primary driver mutation in a large proportion of patients with myeloproliferative neoplasms (MPNs), including polycythemia vera, essential thrombocythemia, and myelofibrosis. Prelude reports discovering allosteric inhibitors that bind the JAK2 JH2 “deep pocket” where the V617F mutation resides, with preclinical data showing mutant-specific inhibition in multiple MPN models.
- mCALR-targeted degrader antibody conjugates (DACs): Discovery programs aimed at mutant calreticulin (mCALR), a neoantigen presented on malignant myeloid cells in subsets of myelofibrosis and essential thrombocythemia. Prelude is developing DACs that deliver proprietary degrader payloads, including CDK9 and SMARCA2/4 degraders, selectively to mCALR-positive cells.
- Precision ADCs / DACs: The company is leveraging targeted protein degradation to create next generation degrader antibody conjugates, sometimes referred to as precision ADCs, using degrader payloads such as SMARCA2/4 and CDK9. Prelude has reported preclinical data indicating that these payloads can drive strong in vivo activity and tolerability when compared head-to-head with traditional cytotoxic antibody-drug conjugates in xenograft models.
Selected programs and modalities
Prelude’s public updates describe several specific programs and modalities:
- PRT7732: An orally bioavailable, highly selective SMARCA2 degrader in a Phase 1 multi-dose escalation trial in biomarker-selected SMARCA4-mutated cancers. Prelude has described once-daily dosing, target degradation, and ongoing evaluation of pharmacokinetics, pharmacodynamics, safety, and initial clinical activity.
- PRT3789: An intravenous SMARCA2 degrader evaluated in Phase 1 studies, including monotherapy and combinations such as with docetaxel. Prelude has reported completion of a Phase 1 study and has discussed using clinical data from this program to inform its broader SMARCA2 strategy.
- KAT6A degrader program: A wholly owned, oral program for KAT6A selective degradation. Prelude has presented preclinical data at scientific meetings and has indicated plans to move a development candidate into clinical testing, emphasizing the potential to address safety and efficacy considerations associated with non-selective KAT6A/B inhibition.
- JAK2V617F JH2 inhibitor program: A mutant-selective JAK2V617F program in MPNs. Prelude has disclosed preclinical data demonstrating selective inhibition of JAK2V617F while preserving wild-type JAK2-mediated cytokine signaling, as well as robust activity in multiple MPN models and selective effects on JAK2V617F stem and progenitor cells.
- mCALR x CDK9 DACs and related mCALR DACs: DACs that target mutant CALR and deliver a CDK9 degrader payload or other degrader payloads. Prelude has reported preclinical data showing selective binding and internalization in CALR-mutant cells, mutant-selective killing of MPN progenitors, sparing of healthy hematopoietic cells, and in vivo efficacy in preclinical models.
- SMARCA2/4 degrader payloads for precision ADCs: Payloads designed to degrade SMARCA2/4 when delivered via antibodies. Prelude has presented data indicating strong inhibition of cancer cell growth and cell death across multiple cancer types in preclinical models, as well as favorable in vivo efficacy and tolerability compared to cytotoxic ADCs.
Partnerships and collaborations
Prelude’s disclosures describe several notable collaborations and agreements:
- Exclusive option agreement with Incyte: An agreement under which Incyte has an exclusive option to acquire Prelude’s mutant selective JAK2V617F JH2 inhibitor program. Prelude reports that it will receive capital through an upfront payment and a strategic equity investment, with the potential for an additional option exercise payment, clinical and regulatory milestones, and royalties on net sales if the option is exercised and the program advances successfully.
- Collaboration with AbCellera Biologics: A collaboration focused on precision DACs, in which AbCellera can use Prelude’s degrader payloads on additional antibody targets, and Prelude can license its payloads and payload-linkers to other partners. Prelude has expanded this collaboration and has made its degrader payloads available for licensing.
- Collaboration involving PRT3789 and KEYTRUDA: Prelude has described a Phase 2 clinical trial evaluating PRT3789 in combination with pembrolizumab (KEYTRUDA) in patients with SMARCA4-mutated cancers, under a collaboration with Merck.
Regulatory and listing status
Prelude Therapeutics is incorporated in Delaware and lists its common stock on the Nasdaq Stock Market under the symbol PRLD. The company has disclosed that it previously received a notice from Nasdaq regarding non-compliance with the minimum bid price requirement and later reported that it regained compliance with that requirement, with Nasdaq indicating that the matter was closed. Public filings also show that Prelude files periodic and current reports with the U.S. Securities and Exchange Commission, including Forms 10-K, 10-Q, and 8-K.
Approach to precision oncology
Across its public communications, Prelude emphasizes a focus on precision oncology and targeted protein degradation. Its programs are designed around genetically or molecularly defined patient populations, such as SMARCA4-mutated cancers, ER+ breast cancer, and MPNs driven by JAK2V617F or mutant CALR. The company highlights:
- Use of structure-based drug design to create allosteric inhibitors that bind specific mutant pockets (for example, the JAK2 JH2 deep pocket).
- Development of degraders that remove disease-relevant proteins, including SMARCA2, KAT6A, SMARCA2/4, and CDK9.
- Design of DACs that deliver degrader payloads selectively to cells expressing disease-associated antigens such as mutant CALR.
Prelude positions these efforts as a way to pursue disease-modifying potential and to explore differentiated safety and efficacy profiles compared with traditional inhibitors or cytotoxic ADCs, based on preclinical evidence.
Exchange, sector, and industry
Prelude Therapeutics trades on Nasdaq under the ticker PRLD and is described as operating in the pharmaceutical preparation manufacturing industry within the broader manufacturing sector. Its activities, however, are characterized in its own disclosures as those of a clinical-stage precision oncology company focused on drug discovery and development.
Risk and development stage considerations
As a clinical-stage company, Prelude’s programs are in various stages of preclinical and early clinical development. The company’s press releases and SEC filings include cautionary notes regarding forward-looking statements, emphasizing that biotechnology development, clinical trial outcomes, regulatory decisions, and funding availability are subject to significant uncertainty. Investors and other stakeholders typically review Prelude’s SEC filings, press releases, and scientific presentations to track progress, understand program status, and assess the risks inherent in early-stage oncology drug development.
FAQs about Prelude Therapeutics (PRLD)
Stock Performance
Prelude Therapeutics Incorporated (PRLD) closed at $4.59 on September 11, 2026. Over the past 12 months, the price has gained 279.3%.
PRLD Metrics & Rankings
Price returns through September 11, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Prelude Therapeutics Incorporated has 10 recent news articles, with the latest published 2 days ago. Of the recent coverage, 6 articles coincided with positive price movement and 4 with negative movement. Key topics include clinical trial, fda approval, earnings, offering. View all PRLD news →
SEC Filings
Prelude Therapeutics Incorporated has filed 5 recent SEC filings, including 2 Form 8-K, 1 Form 4, 1 Form 10-Q, 1 Form SCHEDULE 13G. The most recent filing was submitted on September 10, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all PRLD SEC filings →
Financial Highlights
Prelude Therapeutics Incorporated generated $12.1M in revenue in FY2025, operating income reached -$104.6M (-861.3% operating margin), and net income was -$99.5M, reflecting a -819.6% net profit margin. Diluted earnings per share stood at -$1.29. The company generated -$56.3M in operating cash flow. With a current ratio of 1.99, the balance sheet reflects a strong liquidity position.
Upcoming Events
PRT13722 Phase 1 start
Phase 1 enrollment start
Prelude Therapeutics Incorporated has 2 upcoming scheduled events. The next event, "PRT13722 Phase 1 start", is scheduled for October 1, 2026 (in 17 days). Investors can track these dates to stay informed about potential catalysts that may affect the PRLD stock price.
Short Interest History
Short interest in Prelude Therapeutics Incorporated (PRLD) currently stands at 3.8 million shares, up 4.0% from the previous reporting period, representing 9.0% of the float. Since September 2025, short interest has increased by 608.9%. The 9.8 days to cover indicates moderate liquidity for short covering.
Days to Cover History
Days to cover for Prelude Therapeutics Incorporated (PRLD) currently stands at 9.8 days. This moderate days-to-cover ratio suggests reasonable liquidity for short covering, requiring about a week of average trading volume. The days to cover has increased 140.1% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 1.0 to 13.8 days.
PRLD Company Profile & Sector Positioning
Prelude Therapeutics Incorporated (PRLD) operates in the Biotechnology industry within the broader Healthcare sector and is listed on the NASDAQ.
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