Skip to main content

STRS Ohio

SEC CIK
0000820478
Latest filing
Jul 30, 2026

PRTA holding history

Prothena Corp Public Ltd Co in every 13F filed by STRS Ohio, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

PRTA overviewAll 13F holders of PRTAFull Q2 2026 holdings

Shares (Q2 2026)
17,900
Value
$175.2K
% of portfolio
<0.1%
Quarters held
20
Since Q2 2021
Holdings of PRTA by STRS Ohio, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202617,900$175.2K<0.1%+3,200+21.8%AddedHolders
Q1 202614,700$142.9K<0.1%−2,900−16.5%ReducedHolders
Q4 202517,600$168.1K<0.1%−11,200−38.9%ReducedHolders
Q3 202528,800$281.1K<0.1%+12,400+75.6%AddedHolders
Q2 202516,400$99.5K<0.1%+16,400NewHolders
Q1 20250$00.0%−3,600−100.0%Sold outHolders
Q4 20243,600$49.9K<0.1%−7,600−67.9%ReducedHolders
Q3 202411,200$187.4K<0.1%00.0%UnchangedHolders
Q2 202411,200$231.2K<0.1%+1,100+10.9%AddedHolders
Q1 202410,100$250.0K<0.1%−600−5.6%ReducedHolders
Q4 202310,700$388.0K<0.1%+3,800+55.1%AddedHolders
Q3 20236,900$332.0K<0.1%−6,100−46.9%ReducedHolders
Q2 202313,000$887.0K<0.1%+500+4.0%AddedHolders
Q1 202312,500$605.0K<0.1%00.0%UnchangedHolders
Q4 202212,500$753.0K<0.1%−7,100−36.2%ReducedHolders
Q3 202219,600$1.19M<0.1%00.0%UnchangedHolders
Q2 202219,600$532.0K<0.1%+3,200+19.5%AddedHolders
Q1 202216,400$599.0K<0.1%00.0%UnchangedHolders
Q4 202116,400$810.0K<0.1%+2,700+19.7%AddedHolders
Q3 202113,700$975.0K<0.1%+12,600+1,145.5%AddedHolders
Q2 20211,100$56.0K<0.1%+1,100NewHolders