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Prothena shares owned by Campbell & Co. Investment Adviser

Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Campbell & Co. Investment Adviser from 13F filings

Historical chart of Campbell & Co. Investment Adviser investment in Prothena

Tip: Access up to 7 years of quarterly data

All positions including Prothena held by Campbell & Co. Investment Adviser consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Prothena by Campbell & Co. Investment Adviser

Quarter filed Position value Share count Share price at filing
2025-12-31 $899k 94k 9.55
2022-12-31 $514k 8.5k 60.25
2022-09-30 $511k 8.4k 60.67
2021-09-30 $598k 8.4k 71.19
2020-06-30 $388k 37k 10.47
2019-09-30 $376k 48k 7.85
2019-06-30 $215k 20k 10.59

More positions owned by Campbell & Co. Investment Adviser

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Cullen/Frost Bankers Common Stock (CFR)
Pool Corp Common Stock (POOL)
Ameris Bancorp Common Stock (ABCB)
Bank of America Corp Common Stock (BAC)
Aecom Common Stock (ACM)
Associated Banc-Corp Common Stock (ASB)
DTE Energy Common Stock (DTE)
Netflix Common Stock (NFLX)
Allstate Corp/The Common Stock (ALL)
Labcorp Holdings Common Stock (LH)
Southwest Airlines Common Stock (LUV)

View all positions for Campbell & Co. Investment Adviser

Top funds holding Prothena

FMR
BlackRock
Rubric Capital Management
State Street Corporation
Vanguard Group
Armistice Capital
ADAR1 Capital Management
Acadian Asset Management
Palo Alto Investors
D. E. Shaw & Co
Geode Capital Management
Jacobs Levy Equity Management
Federated Investors
Citadel Advisors
Goldman Sachs Group

View all funds holding Prothena