Flaherty & Crumrine Preferred Income Opportunity Fund, Inc.

Historical 13F Holders

Symbol
PFO
CUSIP
33848E106
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 33848E106 since 12/18/2024, largest first.

Filer % of Class Filed
Sit Investment Associates, Inc. 13G/A
10.2% 1/6/2026
Event 12/31/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 2 101 k $874 k
2026 Q2 51 4.31 M $39.8 M
2026 Q1 52 4.41 M $39.9 M
2025 Q4 45 4.34 M $41.1 M
2025 Q3 45 4.01 M $39.0 M
2025 Q2 49 3.09 M $28.6 M
2025 Q1 47 3.07 M $28.2 M
2024 Q4 45 2.99 M $26.9 M
2024 Q3 48 2.53 M $23.7 M
2024 Q2 50 2.19 M $18.5 M
2024 Q1 46 2.05 M $17.3 M
2023 Q4 50 1.95 M $15.4 M
2023 Q3 42 1.47 M $10.9 M
2023 Q2 38 1.24 M $9.91 M
2023 Q1 38 1.19 M $9.91 M
2022 Q4 44 1.08 M $8.08 M
2022 Q3 43 1.15 M $9.84 M
2022 Q2 42 960 k $9.15 M
2022 Q1 39 971 k $11.2 M
2021 Q4 42 942 k $12.0 M
2021 Q3 41 862 k $11.0 M
2021 Q2 40 902 k $12.0 M
2021 Q1 43 884 k $11.6 M
2020 Q4 40 916 k $12.0 M
2020 Q3 39 905 k $10.4 M
2020 Q2 35 841 k $9.36 M
2020 Q1 37 935 k $9.26 M
2019 Q4 38 912 k $11.2 M
2019 Q3 35 896 k $11.0 M
2019 Q2 38 950 k $11.1 M
2019 Q1 37 856 k $9.60 M
2018 Q4 38 1.02 M $10.7 M
2018 Q3 37 935 k $10.9 M
2018 Q2 40 1.17 M $12.6 M
2018 Q1 39 1.10 M $11.9 M
2017 Q4 36 1.01 M $12.0 M
2017 Q3 32 1.00 M $12.1 M
2017 Q2 31 986 k $12.4 M
2017 Q1 34 1.05 M $12.5 M
2016 Q4 32 1.00 M $11.2 M
2016 Q3 25 824 k $9.49 M
2016 Q2 26 934 k $11.7 M
2016 Q1 31 1.01 M $11.9 M
2015 Q4 30 928 k $9.89 M
2015 Q3 31 912 k $9.36 M
2015 Q2 26 824 k $8.77 M
2015 Q1 21 813 k $9.90 M
2014 Q4 24 862 k $9.96 M
2014 Q3 27 906 k $9.85 M
2014 Q2 27 1.03 M $11.9 M
2014 Q1 24 1.09 M $12.3 M