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Prothena plc Long Term Debt

Latest long-term debt for PRTA: $4M.

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Long Term Debt
$4.03M
70.92% YoYΔ $-9.83M vs prior year quarter

Peer trimmed avg / median

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Prothena plc Long Term Debt History

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Prothena plc vs. peers: Long Term Debt Comparison

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Prothena plc Long Term Debt Growth (YoY per quarter)

Latest change versus the prior comparable period (same company).

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Prothena plc (PRTA) FAQ

As of the most recent data (June 2026), PRTA shows a long-term debt of $4M. That compares with $14M in the prior-year period — down 70.9% year over year. Scroll down for historical charts and peer comparison views.

Compared with the year-ago period, PRTA's long-term debt is now $4M (was $14M) — a 70.9% year-over-year decrease. Pairing that YoY change with peer averages gives a clearer picture of whether Prothena plc is outperforming or lagging.

Tracking PRTA's long-term debt over time shows whether Prothena plc is scaling, shrinking, or reshaping that part of the business. The current reading is $4M That compares with $14M in the prior-year period — down 70.9% year over year. Multi-quarter patterns matter more than any single print, which is why this page emphasizes history and peer comparison charts.

Besides this long-term debt page, Stockcircle has Prothena plc's full stock overview, other financial metrics, insider and congress trade tabs, and tools to follow the stock. Together they help you connect long-term debt (currently $4M) with ownership activity and broader fundamentals.

Prothena plc's long-term debt is $4M; compare it with other Healthcare names on the peer chart. Typical ranges vary by sub-industry, so always sanity-check against the closest competitors, not just the whole sector bucket.