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How UK Approval And NHS Funding At Arrowhead Pharmaceuticals (ARWR) Has Changed Its Investment Story

Simply Wall St·10/28/2026 11:25:20
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  • Arrowhead Pharmaceuticals reported that REDEMPLO, or plozasiran, received UK Marketing Authorisation and has been recommended by NICE for NHS funding in England and Wales to treat adults with genetically confirmed Familial Chylomicronaemia Syndrome when diet and conventional therapies have not been sufficient.
  • This FCS approval and reimbursement decision gives Arrowhead Pharmaceuticals a rare disease product with formal public payer backing in a major healthcare system, highlighting how its RNAi platform is beginning to move from clinical promise into real world treatment use.
  • We will now look at how Arrowhead's investment narrative is shaped by REDEMPLO's UK approval and NHS reimbursement decision for FCS.
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Arrowhead Pharmaceuticals Investment Narrative Recap

To own Arrowhead Pharmaceuticals, you need to believe its RNAi pipeline can shift from partnered milestones to durable product revenue over time. REDEMPLO’s UK approval and NHS reimbursement mark the start of that transition, but on a rare disease base that is unlikely to change the near term reliance on collaboration payments or the fact the group is still loss making.

The short term catalyst is execution around broader plozasiran and zodasiran programs, along with any further regulatory decisions that validate the platform. The main risk remains a cost base tied to late stage trials and commercial buildout that runs ahead of incoming cash flows, especially if partner timelines or regulatory reviews slip.

The ARO MAPT interim Phase 1/2a data is the announcement that best sits alongside the REDEMPLO news. Together they show Arrowhead Pharmaceuticals working on both near term commercialisation in rare metabolic disease and early stage proof of concept in central nervous system disorders, which rely on very different development and reimbursement playbooks.

Substantial CSF tau knockdown in healthy volunteers for ARO MAPT, combined with the reported tolerability profile, gives the RNAi delivery story a new dimension in the brain. That creates a separate set of potential future catalysts around Alzheimer’s and other tauopathies, but also introduces additional clinical and regulatory risk if follow up patient data or larger trials do not track as cleanly as the early signal.

Arrowhead Pharmaceuticals' current analyst narrative points to forecast revenues of US$1.0b and projected earnings of US$176.0 million by 2029. This outlook is built on an assumed 15.7% yearly revenue growth rate and an earnings swing of about US$496.0 million, from a loss of US$320.0 million today to that 2029 consensus level.

Uncover why Arrowhead Pharmaceuticals' fair value indicates an 87% potential upside to its current price that could narrow quickly.

NasdaqGS:ARWR 1-Year Stock Price Chart
NasdaqGS:ARWR 1-Year Stock Price Chart

Exploring Other Perspectives

One alternate angle to watch is launch pacing. The most cautious analysts were assuming slower commercial traction, with revenue growing around 11% a year and earnings reaching about US$157.6 million by 2029, compared with the higher consensus figures. Those estimates came before this REDEMPLO news, so views on Arrowhead Pharmaceuticals may shift meaningfully from here.

Explore 2 other Arrowhead Pharmaceuticals fair value estimates, including one that suggests it could be worth just $110.18!

The Verdict Is Yours

Disagree with existing narratives? Extraordinary investment returns rarely come from following the herd, so trust your own analysis.

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