Flaherty & Crumrine PREFERRED & INCOME OPPORTUNITY FUND INC - Common Stock (PFO) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
PFO on NYSE
Shares outstanding
13,024,961
Price per share
$9.56
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
4,341,637
Total reported value
$41,030,111
% of total 13F portfolios
0%
Share change
+308,161
Value change
+$2,855,989
Number of holders
44
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Flaherty & Crumrine PREFERRED & INCOME OPPORTUNITY FUND INC - Common Stock (PFO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
SIT INVESTMENT ASSOCIATES INC 10% +102% $12,554,760 +$6,229,572 1,328,546 +98% Sit Investment Associates, Inc. 31 Dec 2025

As of 31 Dec 2025, 44 institutional investors reported holding 4,341,637 shares of Flaherty & Crumrine PREFERRED & INCOME OPPORTUNITY FUND INC - Common Stock (PFO). This represents 33% of the company’s total 13,024,961 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Flaherty & Crumrine PREFERRED & INCOME OPPORTUNITY FUND INC - Common Stock (PFO) together control 32% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
SIT INVESTMENT ASSOCIATES INC 10% 1,328,546 +5.9% 0.25% $12,555,000
CIBC Private Wealth Group LLC 4.5% 588,511 0% 0.01% $5,561,429
Pathstone Holdings, LLC 2.6% 339,627 +7.8% 0.01% $3,209,475
Advisors Asset Management, Inc. 2.4% 309,687 +229% 0.05% $2,926,542
1607 Capital Partners, LLC 2% 263,244 +33% 0.17% $2,487,656
Private Advisor Group, LLC 1.5% 190,128 -0.54% 0.01% $1,796,709
Fiera Capital Corp 1% 129,862 +116% 0% $1,227,196
RIVERNORTH CAPITAL MANAGEMENT, LLC 0.86% 111,745 +63% 0.05% $1,055,990
Closed-End Fund Advisors, Inc. 0.74% 96,222 0% 0.54% $909,298
Noble Wealth Management PBC 0.73% 95,345 -4.7% 0.45% $901,010
MORGAN STANLEY 0.69% 90,452 -21% 0% $854,771
D.A. DAVIDSON & CO. 0.66% 85,496 -2.9% 0% $807,943
MUSTICO FINANCIAL GROUP, INC. 0.62% 81,339 +6.3% 0.64% $770,122
TrueMark Investments, LLC 0.54% 70,697 +2.9% 0.13% $668,087
Cambridge Investment Research Advisors, Inc. 0.48% 63,117 -1.9% 0% $596,000
Arax Advisory Partners 0.38% 48,873 -3.9% 0.01% $461,849
WELLS FARGO & COMPANY/MN 0.36% 47,000 +6% 0% $444,149
Baird Financial Group, Inc. 0.33% 42,839 -0.77% 0% $404,833
Invesco Ltd. 0.32% 41,671 -2.2% 0% $393,791
LPL Financial LLC 0.31% 40,739 -6.2% 0% $384,983
Sowell Financial Services LLC 0.3% 39,073 0% 0.01% $369,240
CLIFFORD SWAN INVESTMENT COUNSEL LLC 0.23% 29,500 0% 0.01% $278,775
NewEdge Advisors, LLC 0.2% 26,272 -4% 0% $248,270
GUGGENHEIM CAPITAL LLC 0.19% 24,542 0% $231,922
Catalina Capital Group, LLC 0.14% 18,823 0% 0.11% $177,877

Institutional Holders of Flaherty & Crumrine PREFERRED & INCOME OPPORTUNITY FUND INC - Common Stock (PFO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 4,341,637 $41,030,111 +$2,855,989 $9.45 44
2025 Q3 4,006,694 $38,983,655 +$8,170,567 $9.75 45
2025 Q2 3,087,846 $28,565,757 +$423,188 $9.25 47
2025 Q1 3,068,667 $28,187,147 +$772,785 $9.22 46
2024 Q4 2,986,032 $26,945,760 +$2,523,292 $9.01 44
2024 Q3 2,528,406 $23,712,552 +$4,517,555 $9.41 47
2024 Q2 2,078,743 $17,599,851 +$2,000,948 $8.47 48
2024 Q1 1,842,151 $15,548,159 +$143,316 $8.44 43
2023 Q4 1,829,820 $14,573,255 +$2,786,708 $7.96 46
2023 Q3 1,468,435 $10,923,367 +$1,698,507 $7.44 41
2023 Q2 1,236,968 $9,910,056 +$226,072 $8.01 37
2023 Q1 1,192,285 $9,909,811 +$1,045,450 $8.25 37
2022 Q4 1,076,264 $9,319,415 -$500,321 $8.60 43
2022 Q3 1,146,833 $9,843,925 +$1,594,882 $8.57 42
2022 Q2 960,085 $9,148,767 -$172,815 $9.52 40
2022 Q1 970,781 $11,171,602 +$439,072 $11.50 38
2021 Q4 942,491 $12,018,500 +$1,039,251 $12.75 41
2021 Q3 861,511 $11,043,395 -$569,974 $12.82 40
2021 Q2 901,822 $12,038,589 +$290,852 $13.35 39
2021 Q1 880,363 $11,589,630 -$478,577 $13.16 40
2020 Q4 916,207 $12,012,259 +$753,300 $13.12 38
2020 Q3 813,010 $9,675,131 +$529,148 $11.90 37
2020 Q2 841,206 $9,355,673 -$992,427 $11.12 34
2020 Q1 935,122 $9,260,740 +$127,332 $9.90 36
2019 Q4 912,496 $11,225,032 -$182,531 $12.32 36
2019 Q3 896,012 $10,953,798 -$635,392 $12.23 34
2019 Q2 949,708 $11,122,170 +$1,102,724 $11.71 37
2019 Q1 855,717 $9,596,198 -$1,763,672 $11.22 36
2018 Q4 1,016,895 $10,713,127 +$707,423 $10.53 37
2018 Q3 934,994 $10,890,676 -$2,439,652 $11.64 36
2018 Q2 1,167,768 $12,566,425 +$734,673 $10.75 40
2018 Q1 1,099,121 $11,934,037 +$801,676 $10.86 39
2017 Q4 1,011,768 $11,950,820 +$342,879 $11.81 36
2017 Q3 986,825 $12,082,616 +$7,471 $12.24 31
2017 Q2 985,995 $12,376,117 -$1,214,502 $12.55 31
2017 Q1 906,010 $10,764,832 +$115,938 $11.88 33
2016 Q4 862,372 $9,595,022 +$425,328 $11.12 31
2016 Q3 824,216 $9,486,980 -$875,213 $11.52 25
2016 Q2 933,802 $11,680,000 -$941,080 $12.51 26
2016 Q1 1,008,632 $11,889,455 +$1,001,397 $11.79 30
2015 Q4 927,703 $9,894,305 +$559,360 $10.67 30
2015 Q3 911,765 $9,364,940 +$671,669 $10.27 31
2015 Q2 824,416 $8,773,227 -$94,903 $10.63 26
2015 Q1 812,785 $9,904,364 -$584,540 $12.18 21
2014 Q4 861,587 $9,959,378 -$305,216 $11.55 24
2014 Q3 906,385 $9,847,309 -$1,460,580 $10.87 27
2014 Q2 1,023,249 $11,863,285 -$713,582 $11.59 26
2014 Q1 1,084,340 $12,291,313 +$847,868 $11.35 22