PRTA
Prothena Corporation plc
NasdaqGS Healthcare Ireland
8,15 $US
-4.12% today
-11.41% YTD · -20.22% 1Y
9
Insider transactions
SEC Form 4 · AMF · BaFin — rolling 90 days
19
Hedge funds tracked
Latest available SEC 13F filings
59
/ 100
MIXED

Analysis Prothena Corporation plc (PRTA) — Kairos Score 59/100

Composite score aggregating 8 smart money dimensions: insiders (SEC/AMF/BaFin), hedge funds, politicians & gurus, price momentum, valuation, analyst consensus, financial health, earnings momentum. The higher the score, the more favorable the institutional signals consensus.

💡 Detailed breakdown (the 8 sub-scores) available in the Premium dashboard.

About Prothena Corporation plc

Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation. Its product pipeline includes Prasinezumab, an investigational humanized monoclonal antibody which is in Phase 3 clinical trial for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in Phase 3 clinical trial for the treatment of transthyretin amyloidosis; BMS-986446, an anti-tau antibody which is in Phase 2 clinical trial to treat Alzheimer's disease; PRX019, an investigational antibody which is in Phase 1 clinical trial for the treatment of neurodegenerative diseases; and PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease. In addition, it develops discovery- and late-preclinical-stage programs include TDP-43 CYTOPE for the treatment of amyotrophic lateral sclerosis; PRX012, a next-generation anti-Aß antibody which is in phase 1 clinical trial to treat Alzheimer's disease; and PRX012-TfR, a preclinical program for the treatment of Alzheimer's disease. It has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and master collaboration agreement with Bristol Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. Prothena Corporation plc was incorporated in 2012 and is based in Dublin, Ireland.

Key info

👔
CEO
Dr. Gene G. Kinney Ph.D.
📍
HQ
77 Sir John Rogerson’s Quay, Block C Grand Canal Docklands, Dublin, D02 VK60, Ireland
👥
Employees
67
💰
Market cap
418 396 320,00 $US
💸
Dividend yield
0.00%

🕴️ Insider activity (90 days)

9 transactions — 9 buys and 0 sales reported by Prothena Corporation plc executives.

SW
SCULLY WILLIAM P
2026-10-14
Buy
SW
SCULLY WILLIAM P
2026-10-13
Buy
SW
SCULLY WILLIAM P
2026-10-08
Buy

🏦 Hedge Funds

19 institutional funds report a position on PRTA in their latest SEC quarterly filing.

FMR LLC
Rubric Capital Management LP
BlackRock, Inc.
STATE STREET CORP
VANGUARD GROUP INC

📰 Recent news

14 recent articles on PRTA.

🧠 What makes Kairos Insider

Beyond raw data, we aggregate and score every smart money signal to give you a unique view.

🧠

Kairos Score 0-100

8-dimension composite score: insiders · hedge funds · politicians · momentum · valuation · health · analysts · earnings.

🎯

Insider Clusters

Detection of clustered purchases or sales by several executives in the same stock.

🏦

13F Hedge Funds

Berkshire, Pershing Square, Tiger Global, Bridgewater and other reporting funds.

📈

ETF Rotations

NANC & GOP (Pelosi & Republicans), GURU (top hedge funds), ARK (Cathie Wood). See who enters and exits each week.

🔥

Google Trends

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📧

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Companies in the same sector as Prothena Corporation plc

Official sources · Public data · SEC EDGAR — Form 4 & 13F · AMF — Executive filings · BaFin — Directors' Dealings · Yahoo Finance · Alpha Vantage

🔓 Unlock the full analysis

This public page only shows a preview. The full analysis of PRTA on the Kairos Insider dashboard includes:

✅ Full Kairos Score (8-axis radar + synthesis)
✅ History of all 9 insider transactions over 90 days
✅ All 19 detected institutional funds
✅ Thematic ETFs (ARK, BUZZ, NANC, GOP, JEPI…)
✅ Hot Stocks Google Trends
✅ Available history: AUM + rotations
✅ Fundamentals (P/E, PEG, EV/EBITDA, ROE…)
✅ Financial health (Altman Z, Piotroski F)
✅ Sector peers + recent earnings
See full analysis →
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