Erasca, Inc. (ERAS) Stock Price & How to Invest

Last updated July 2026

Short answer

ERAS is Erasca, a clinical-stage precision oncology company betting on drugs that target the RAS/MAPK cancer pathway, so investing in it is a wager on early trial data reading out well rather than on current sales (there are essentially none yet).

ERAS stock price

As of 2026-08-25, Erasca, Inc. (ERAS) last closed at $18.23, up 1046.5% over the past year. Over the past 52 weeks it has traded between $1.43 and $22.47.

ERAS last close
$18.23
1 day
+3.58%
1 month
-4.60%
1 year
+1046.54%
52-week range
$1.43 to $22.47
Last close
2026-08-25

Prices are daily closing prices from Yahoo Finance and may be delayed. For the live quote, check your broker or Erasca, Inc.'s investor relations page. Walnut is informational, not investment advice.

What does Erasca, Inc. (ERAS) do?

Erasca, Inc. (NASDAQ: ERAS) is a clinical-stage precision oncology company developing therapies for cancers driven by the RAS/MAPK signaling pathway, one of the most common and historically hardest-to-drug drivers in tumors like non-small cell lung cancer, pancreatic cancer, and colorectal cancer. Its prioritized pipeline centers on ERAS-0015, a pan-RAS molecular glue, and ERAS-4001, an oral pan-KRAS inhibitor, both in Phase 1 trials (AURORAS-1 and BOREALIS-1). The company reported positive preliminary Phase 1 dose-escalation data for ERAS-0015 in 2026, showing responses in KRAS-mutant lung and pancreatic cancer, and in mid-2026 it discontinued its former lead asset naporafenib and terminated the related Novartis license to concentrate resources on the RAS-targeting franchise.

As a development-stage biotech, Erasca has no approved products and no meaningful product revenue, so it runs large operating losses funded by its balance sheet and equity raises. It ended Q1 2026 with roughly $408 million in cash and marketable securities and later raised about $550 million more in a July 2026 stock offering, pushing projected runway well past 2028 but also diluting existing holders. The investment picture is therefore driven almost entirely by clinical readouts, the pace toward potential registration-enabling trials, and how ERAS-0015 stacks up against rival RAS programs, all against a market capitalization in the multi-billion-dollar range that already prices in substantial future success.

What's driving Erasca, Inc. (ERAS)?

1. RAS/MAPK is a large, underserved target

RAS mutations drive a meaningful share of lung, pancreatic, and colorectal cancers and have long been considered difficult to drug. If Erasca's pan-RAS and pan-KRAS approaches work across multiple mutation types, the addressable population is large. That breadth is the core of the bull thesis.

2. Early ERAS-0015 data and registration plans

Preliminary Phase 1 dose-escalation data for the pan-RAS molecular glue ERAS-0015 showed responses in KRAS G12X lung and pancreatic cancer with a generally favorable safety profile. Management has outlined potentially registration-enabling trials starting in 2027, which would mark a step from early signals toward pivotal data.

3. Extended cash runway

After a July 2026 offering of roughly $550 million on top of prior cash, Erasca projects runway well beyond 2028. A multi-year cushion reduces near-term financing risk and lets the company fund several trials, though the raises add to share count and dilute existing owners.

4. Sharpened pipeline focus

Discontinuing naporafenib and terminating the Novartis license concentrated spend on ERAS-0015 and ERAS-4001. A tighter pipeline can improve capital efficiency, but it also raises the stakes on the remaining programs since there are fewer shots on goal.

What are the risks to Erasca, Inc. (ERAS)?

Erasca is pre-revenue and unprofitable, so its value depends on clinical trials that can fail at any phase, and single disappointing readouts can move the stock sharply. Early Phase 1 response data are preliminary, involve small patient numbers, and may not hold up in larger, controlled studies. The company competes directly with better-financed RAS programs, most notably Revolution Medicines, whose daraxonrasib has shown strong pancreatic-cancer survival data. Ongoing losses mean further dilutive equity raises are likely, and the multi-billion-dollar market cap already assumes substantial clinical and commercial success that is far from guaranteed.

What is the Erasca, Inc. (ERAS) forecast?

10 analysts publish price targets on ERAS, averaging $22.80 against a $18.15 price as of August 2026, or +25.6%. The published targets run from $18.00 to $30.00, a moderate spread, and the ratings split 8 buy, 2 hold, 0 sell. Over the last six months there have been 10 raises and 1 cut among the published actions. A price target is what an analyst published on a date, not a prediction, and sell-side ratings skew positive across the whole market.

Read the full ERAS forecast and price target for the target table, the recent rating actions by firm, and how the consensus has shifted.

Is ERAS a buy or a sell?

We give no verdict on Erasca, Inc.. Both cases are real, which is why the question is contested at all, so here is the strongest version of each.

The case for buying. RAS/MAPK is a large, underserved target. RAS mutations drive a meaningful share of lung, pancreatic, and colorectal cancers and have long been considered difficult to drug. The most optimistic published target, $30.00, assumes this works close to its best case.

The case against. Erasca is pre-revenue and unprofitable, so its value depends on clinical trials that can fail at any phase, and single disappointing readouts can move the stock sharply. The most pessimistic target, $18.00, is roughly what ERAS is worth if this bites instead.

Read the full bull and bear case on ERAS, including what would have to change to break either one. Walnut is not an investment adviser.

How is Erasca, Inc. (ERAS) valued? (approximate, JULY 2026)

A simple financial snapshot. These are approximations and refresh quarterly; for current figures see Erasca, Inc.'s investor relations page or your broker.

  • Product revenue: ~$0 (no approved products)
  • Q1 2026 net loss: ~$183M (incl. ~$150M licensing charge)
  • Q1 2026 R&D (ex one-time item): ~$27M
  • Cash (end Q1 2026): ~$408M
  • Additional July 2026 raise: ~$550M at $17.50/share
  • Market cap: ~$5.6B to $6B

Because Erasca has no product sales, standard valuation multiples like P/E do not apply, and the company is valued on its cash position and the perceived probability that its RAS pipeline succeeds. The heavy Q1 2026 net loss was inflated by a large one-time licensing milestone, while underlying operating spend is more modest. The mid-2026 equity raise pushed projected runway past 2028 but increased shares outstanding.

Which ETFs hold Erasca, Inc. (ERAS)?

If you want ERAS exposure as part of a larger bundle rather than directly, these ETFs hold it meaningfully. Weights are approximate and refresh quarterly.

ETFName% in ERASExpense ratio
XBISPDR S&P Biotech ETF~1.3%0.35%

Who competes with Erasca, Inc. (ERAS)?

RAS-targeting biotech leaders

Revolution Medicines is the most direct comparison, with its RAS(ON) inhibitor daraxonrasib (RMC-6236) posting notable pancreatic-cancer survival data. It is better capitalized and further along, making it the benchmark Erasca's ERAS-0015 is measured against.

Approved and large-cap KRAS players

Amgen (sotorasib) and Bristol Myers Squibb (adagrasib, via Mirati) already market KRAS G12C inhibitors and have deep oncology resources. They set the commercial and clinical bar and could extend into broader RAS targeting that overlaps Erasca's approach.

Broad clinical-stage oncology biotechs

Erasca also competes for investor capital and trial patients with the wider universe of unprofitable oncology developers. These names trade on pipeline milestones and sentiment, so capital can rotate quickly toward whichever program shows the strongest data.

What stocks are similar to Erasca, Inc. (ERAS)?

Other names that sit close to ERAS: same theme, named as a direct competitor, or held beside it in the same funds. Each entry says which. Worth a look if you are thinking about diversification within a thesis rather than concentration on one ticker.

How to invest in Erasca, Inc. (ERAS)

There are three common ways to get ERAS exposure. Buy shares (or fractional shares) directly at any major broker. Hold an ETF that includes it (XBI), which spreads the position across many companies. Or build it into a focused thematic portfolio, so ERAS sits alongside other stocks that express the same thesis.

Walnut takes the portfolio route. Describe a thesis where ERAS fits (for example “AI infrastructure” or “dividend-growth large-caps”) and the AI proposes 5 to 6 constituents with target weights. You review the plan and fund it through your own broker when you're ready.

New to this? Start with how to invest in stocks, see how to analyze a stock with AI, or compare the best AI stock analyzers.

The bottom line on Erasca, Inc. (ERAS)

Erasca is a pre-revenue, RAS-focused biotech whose value rests on pipeline data and cash runway, not earnings, which makes it a high-volatility, binary-outcome name.

More on Erasca, Inc. (ERAS)

Whether ERAS is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, what would have to go right, and the risks in is ERAS a buy or a sell?, and where the stock could go from here in the ERAS stock forecast.

For income investors, whether ERAS pays a dividend and how the payout looks is covered in does ERAS pay a dividend? And to weigh ERAS against a peer, read the full side-by-side comparisons: ERAS vs AMGN and ERAS vs BMY.

Wondering how ERAS fits the portfolio you already own? Walnut is an AI investing app that connects your brokerage read-only and answers questions like that about your actual holdings: overlap, concentration, and how each position tracks the S&P 500. Compare the best AI portfolio analyzers or see the best AI investing apps in 2026.

Investing in Erasca, Inc. with AI

Connect the broker you already use and ask Walnut's AI how ERAS fits what you actually hold: whether you own it already through a fund, what it would do to your concentration, and how it has tracked the S&P 500. Read-only by default, and you approve anything before it reaches your broker.

FAQ

What does Erasca (ERAS) do?

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Erasca is a clinical-stage precision oncology company developing drugs that target the RAS/MAPK signaling pathway, which drives many lung, pancreatic, and colorectal cancers. Its lead programs are ERAS-0015, a pan-RAS molecular glue, and ERAS-4001, an oral pan-KRAS inhibitor, both in early trials.

Does Erasca make money?

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No. As a development-stage biotech it has no approved products and essentially no product revenue, and it runs large operating losses. It funds itself with cash on the balance sheet and periodic equity raises rather than sales.

How much cash does Erasca have?

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Erasca ended Q1 2026 with roughly $408 million in cash and marketable securities and raised about $550 million more in a July 2026 stock offering. Management projects that funds operations well beyond 2028, though the raises dilute existing shareholders.

What is ERAS-0015?

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ERAS-0015 is Erasca's pan-RAS molecular glue, its prioritized lead asset, evaluated in the AURORAS-1 Phase 1 trial. Preliminary 2026 data showed responses in KRAS-mutant lung and pancreatic cancer with a generally favorable safety profile, and the company has outlined potential registration-enabling trials from 2027.

Why did Erasca stop developing naporafenib?

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In mid-2026 Erasca discontinued naporafenib and terminated its related Novartis license, effective June 3, 2026, to concentrate resources on its RAS-targeting franchise led by ERAS-0015 and ERAS-4001. The move sharpened the pipeline but reduced the number of programs.

Who are Erasca's main competitors?

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Its most direct competitor is Revolution Medicines, whose RAS inhibitor daraxonrasib has shown strong pancreatic-cancer data. It also faces large-cap KRAS players Amgen (sotorasib) and Bristol Myers Squibb (adagrasib), plus the broader field of clinical-stage oncology biotechs.

Why is ERAS stock so volatile?

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Because Erasca has no revenue, its price is driven by clinical trial readouts, competitive data, and financing news rather than earnings. Small changes in trial results or sentiment can move the stock sharply, which is typical for pre-commercial biotechs.

How would someone track ERAS as an investment?

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Key items to follow include upcoming Phase 1 and later-stage data for ERAS-0015 and ERAS-4001, the timing of registration-enabling trials, cash runway and any new equity raises, and how the programs compare with rivals like Revolution Medicines. Walnut is not an investment adviser, so this is descriptive, not a recommendation.

Walnut is informational, not investment advice. Financial figures on this page are approximations; always verify current numbers with Erasca, Inc.'s investor relations page or your broker before making investment decisions.