IsoRay, Inc.

Historical 13F Holders

Symbol
CATX
CUSIP
46489V104
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 46489V104 since 12/18/2024, largest first.

Filer % of Class Filed
Farallon Capital Management, L.L.C. 13G/A
8.6% 8/13/2026
Event 6/30/2026
Farallon Capital Partners, L.P. 13G/A
8.2% 2/5/2026
Event 12/31/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q2 2 250 k $908 k
2026 Q1 2 1.35 M $5.62 M
2025 Q4 2 251 k $3.36 M
2025 Q3 2 1.22 M $4.19 M
2025 Q2 2 251 k $1.06 M
2025 Q1 2 1.16 M $2.48 M
2024 Q4 1 150 k $479 k
2024 Q3 1 70.0 k $935 k
2024 Q2 2 105 k $735 k
2024 Q1 108 252 M $301 M
2023 Q4 56 36.7 M $16.0 M
2023 Q3 50 36.5 M $9.99 M
2023 Q2 51 33.0 M $22.0 M
2023 Q1 43 27.9 M $17.8 M
2022 Q4 50 17.8 M $4.40 M
2022 Q3 36 16.1 M $3.70 M
2022 Q2 44 16.8 M $5.19 M
2022 Q1 40 15.9 M $5.79 M
2021 Q4 47 17.7 M $6.85 M
2021 Q3 44 15.8 M $9.99 M
2021 Q2 49 17.4 M $13.9 M
2021 Q1 58 18.5 M $20.2 M
2020 Q4 44 8.60 M $4.12 M
2020 Q3 39 6.76 M $3.93 M
2020 Q2 39 7.07 M $3.94 M
2020 Q1 40 7.24 M $3.84 M
2019 Q4 33 4.48 M $2.80 M
2019 Q3 31 3.69 M $1.18 M
2019 Q2 32 3.99 M $1.63 M
2019 Q1 33 4.90 M $1.83 M
2018 Q4 32 6.10 M $1.82 M
2018 Q3 31 5.76 M $2.99 M
2018 Q2 30 3.50 M $1.58 M
2018 Q1 32 3.97 M $1.66 M
2017 Q4 29 3.91 M $1.56 M
2017 Q3 26 3.60 M $1.86 M
2017 Q2 27 3.61 M $2.25 M
2017 Q1 26 4.00 M $2.36 M
2016 Q4 30 4.48 M $2.60 M
2016 Q3 25 4.06 M $2.92 M
2016 Q2 27 4.27 M $3.71 M
2016 Q1 24 4.32 M $3.89 M
2015 Q4 26 4.28 M $4.02 M
2015 Q3 30 4.29 M $6.01 M
2015 Q2 31 4.18 M $6.18 M
2015 Q1 27 3.56 M $5.57 M
2014 Q4 28 3.76 M $5.49 M
2014 Q3 27 3.33 M $5.63 M
2014 Q2 27 3.44 M $10.7 M
2014 Q1 26 2.06 M $4.62 M