Arrowhead Pharmaceuticals

ARWRNASDAQUSD

THESIS ALERT

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$49.36
+$0.36 (+0.73%)Today 1M −21.91%
After hours$49.07−0.59%

Updated Nov 11, 4:00 PM ET · Regular session · May be delayed

Source valuation snapshot. Not a live recalculation.
Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
Diluted earnings per share from the latest filed annual.
$49.00
Prior regular-session close from the quote source.
$47.66–$49.74
Regular-session low and high so far today.
2.5M
Regular-session shares traded · Nov 11, 4:00 PM ET.
Nov 24 projected
Projected for 2026-11-24 from the company’s own results filings (SEC 8-K Item 2.02). The company has not confirmed the date.
$37.06–$95.49
52-week trading low and high returned by the quote source.

Understand the Business

Why the Stock Moved

Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.

The core investment thesis

Own ARWR if Arrowhead is a high-upside RNAi platform bet whose value depends on converting partner-funded validation into durable, recurring commercial economics rather than one-time collaboration revenue.

ARWR price history

Latest price$49.36Today+$0.36 (+0.73%)
ARWR -18.98%S&P 500 -2.42%Since first plotted close
4 hours

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Investment thesis

What must happen next

4 MATERIAL PROPOSITIONS
  • Arrowhead’s RNAi platform remains differentiated enough that partners keep funding programs through upfront and milestone payments, reducing reliance on equity financing.StrengtheningMateriality: High

    GAAP annual revenue was $829.4 million in FY2025, up from $3.6 million in FY2024, showing substantial customer-contract revenue was recognized. If this holds, external capital helps fund the pipeline; if it breaks, shareholders bear more clinical-development risk and dilution risk.

    Watch: A major pharmaceutical partner terminates, pauses, or deprioritizes an Arrowhead RNAi collaboration before additional milestones are earned.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    GAAP annual revenue was $829.4 million in FY2025, up from $3.6 million in FY2024, showing substantial customer-contract revenue was recognized.

    Open source ↗
  • Partner payments and milestone receipts can finance Arrowhead’s R&D and launch preparation without forcing repeated dilutive capital raises.StrengtheningMateriality: High

    GAAP annual operating cash flow was positive $179.6 million in FY2025 versus negative $462.9 million in FY2024. If the pipeline can be funded internally or by partners, more future drug value accrues to current shareholders; if not, per-share value can be diluted even if the science progresses.

    Watch: Expected partner milestones are delayed or not triggered while late-stage trials continue to consume cash.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    GAAP annual operating cash flow was positive $179.6 million in FY2025 versus negative $462.9 million in FY2024.

    Open source ↗
  • When collaboration revenue is recognized, Arrowhead’s cost base has enough operating leverage for a meaningful portion to reach operating income; the driver breaks if spending scales ahead of funded progress.StrengtheningMateriality: Medium

    GAAP annual operating income was positive $98.3 million in FY2025 after a GAAP annual operating loss of $601.1 million in FY2024. Operating leverage is what turns scientific validation into business value; without it, revenue growth could still produce weak or negative economics.

    Watch: A wholly owned launch build-out materially expands sales, medical affairs, or manufacturing costs before recurring revenue is visible.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    GAAP annual operating income was positive $98.3 million in FY2025 after a GAAP annual operating loss of $601.1 million in.

    Open source ↗
  • The balance sheet gives Arrowhead time to reach clinical and regulatory catalysts, but the cushion is not large enough to ignore liability load or renewed cash burn.HoldingMateriality: Medium

    Cash was $226.5 million at FY2025, up from $102.7 million at FY2024. Runway determines whether shareholders can wait for pipeline value to mature or are forced to finance the company at unfavorable prices.

    Watch: Clinical or regulatory setbacks push key milestones beyond the current cash runway.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    Cash was $226.5 million at FY2025, up from $102.7 million at FY2024.

    Open source ↗
Full investment case & evidence

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Original research

Arrowhead’s RNAi platform remains differentiated enough that partners keep funding programs through upfront and milestone payments, reducing reliance on equity financing. If this holds, external capital helps fund the pipeline; if it breaks, shareholders bear more clinical-development risk and dilution risk.

Partner payments and milestone receipts can finance Arrowhead’s R&D and launch preparation without forcing repeated dilutive capital raises. If the pipeline can be funded internally or by partners, more future drug value accrues to current shareholders; if not, per-share value can be diluted even if the science progresses.

When collaboration revenue is recognized, Arrowhead’s cost base has enough operating leverage for a meaningful portion to reach operating income; the driver breaks if spending scales ahead of funded progress. Operating leverage is what turns scientific validation into business value; without it, revenue growth could still produce weak or negative economics.

The balance sheet gives Arrowhead time to reach clinical and regulatory catalysts, but the cushion is not large enough to ignore liability load or renewed cash burn. Runway determines whether shareholders can wait for pipeline value to mature or are forced to finance the company at unfavorable prices.

All standing thesis claims
Original report summary

Arrowhead is a high-upside RNAi platform bet whose value depends on converting partner-funded validation into durable, recurring commercial economics rather than one-time collaboration revenue.

Evidence assessed Nov 11, 2026. Expand each conclusion for its evidence and what would change it. Thesis evidence—not a buy or sell recommendation.

Bull case and bear case

Bull case and bear case for Arrowhead Pharmaceuticals

Where the evidence on Arrowhead Pharmaceuticals stands: Holding on the latest evidence (Nov 11, 2026). Of its 4 thesis points, 3 strengthening and 1 holding.

Bull case: what the evidence supports

  • Arrowhead’s RNAi platform remains differentiated enough that partners keep funding programs through upfront and milestone payments, reducing reliance on equity financing.

    sec.gov ↗

  • Partner payments and milestone receipts can finance Arrowhead’s R&D and launch preparation without forcing repeated dilutive capital raises.

    sec.gov ↗

  • When collaboration revenue is recognized, Arrowhead’s cost base has enough operating leverage for a meaningful portion to reach operating income; the driver breaks if spending scales ahead of funded progress.

    sec.gov ↗

  • The balance sheet gives Arrowhead time to reach clinical and regulatory catalysts, but the cushion is not large enough to ignore liability load or renewed cash burn.

    sec.gov ↗

Bear case: what would count against it

  • A major pharmaceutical partner terminates, pauses, or deprioritizes an Arrowhead RNAi collaboration before additional milestones are earned.

    sec.gov ↗

  • Expected partner milestones are delayed or not triggered while late-stage trials continue to consume cash.

    sec.gov ↗

  • A wholly owned launch build-out materially expands sales, medical affairs, or manufacturing costs before recurring revenue is visible.

    sec.gov ↗

Thesis-Break Engine

What has broken in Arrowhead Pharmaceuticals’s thesis

Each break OptimistFi flagged on Arrowhead Pharmaceuticals, dated — with what has historically followed the same kind of break across the market, not a forecast for Arrowhead Pharmaceuticals.

peers+18%-17%+1%12 mo agonow+6 mo
Daily price, then where similar breaks led across the market: the typical +1% path vs comparable companies over six months, inside the middle-half range (+18% to -17%). A base rate, not a forecast.
  • Sharp drawdowncondition set before this filing

    Across all companies, this kind of break has happened 15,428 times before. Those stocks beat comparable companies by a median of 1% over the next six months, and 33% of them trailed it by 10 points or more.

Early warning

The break condition read on the trailing twelve months through Arrowhead Pharmaceuticals’s latest quarterly report, ahead of the annual figure it is written on.

  • Operating-margin compression, trailing 12 months

    Across all companies, this kind of early warning has happened 2,641 times before. Those stocks trailed comparable companies by a median of 1% over the next six months, and 36% of them trailed it by 10 points or more.

How the Thesis-Break Engine works →Historical outcomes are measured against comparable companies after past breaks of the same kind, across all companies. Not a prediction.

MARKET + FINANCIAL SNAPSHOT

The numbers behind the thesis

Sourced from filings and market data

What Changed

  1. Mixed
    Entered a material definitive agreement.

    Arrowhead Pharmaceuticals filed an SEC 8-K on 2026-11-04: Entered a material definitive agreement. It is a dated development that tests the current thesis.

  2. Mixed
    Reported results of operations (earnings release).

    Arrowhead Pharmaceuticals filed an SEC 8-K on 2026-08-04: Reported results of operations (earnings release). It is a dated development that tests the current thesis.

  3. Mixed
    Director or principal officer change.

    Arrowhead Pharmaceuticals filed an SEC 8-K on 2026-06-16: Director or principal officer change. It is a dated development that tests the current thesis.

Risks / falsifiers

What could break the thesis

  • A major pharmaceutical partner terminates, pauses, or deprioritizes an Arrowhead RNAi collaboration before additional milestones are earned.
  • Expected partner milestones are delayed or not triggered while late-stage trials continue to consume cash.
  • A wholly owned launch build-out materially expands sales, medical affairs, or manufacturing costs before recurring revenue is visible.
  • Clinical or regulatory setbacks push key milestones beyond the current cash runway.

ARWR news

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Financial statements

ARWR income statement

Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.

ARWR: quick answers

When does Arrowhead Pharmaceuticals (ARWR) report earnings next?
Arrowhead Pharmaceuticals's next results are projected for November 24, 2026, from the dates of its own results filings with the SEC. The company has not confirmed the date. It last reported on August 4, 2026. Earnings calendar
What is ARWR's short interest?
As of October 30, 2026, 11.6M ARWR shares were sold short, 8.20% of its shares outstanding, up 5.7% from the count before. At the stock's average daily volume that is 8.5 days to cover. FINRA publishes the count twice a month. ARWR short interest history
Have members of Congress traded ARWR?
2 trades in ARWR have been disclosed under the STOCK Act by members of Congress, the President or senior officials, none in reports made public in the last 90 days. Every disclosed ARWR trade
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