Security Snapshot

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

CUSIP: 33848E106

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

50

Shares (Excl. Options)

4,391,502

Price

$9.04

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Type / Class
Equity / Common Stock
Symbol
PFO on NYSE
Shares outstanding
13,024,961
Price per share
$9.04
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
4,391,502
Total reported value
$39,717,722
% of total 13F portfolios
0%
Share change
+680,312
Value change
+$6,149,208
Number of holders
50
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • PFO - Flaherty & Crumrine PREFERRED & INCOME OPPORTUNITY FUND INC - Common Stock is tracked under CUSIP 33848E106.
  • 50 institutions reported positions in Q1 2026.
  • 1 significant owner is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 44 to 50 between Q4 2025 and Q1 2026.
  • Reported value moved from $41,030,111 to $39,717,722.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 50 institutions filings for Q1 2026.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 33848E106?
CUSIP 33848E106 identifies PFO - Flaherty & Crumrine PREFERRED & INCOME OPPORTUNITY FUND INC - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q1 2026 holders report and the ownership history table below.

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 Mar 2026, 50 institutional investors reported holding 4,391,502 shares of Flaherty & Crumrine PREFERRED & INCOME OPPORTUNITY FUND INC - Common Stock (PFO). This represents 34% 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 33% 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 12% 1,520,306 +14% 0.28% $13,744,000
CIBC Bancorp USA Inc. 4.5% 588,511 0.01% $5,320,139
Advisors Asset Management, Inc. 2.7% 350,620 +13% 0.05% $3,169,605
1607 Capital Partners, LLC 2.5% 321,580 +22% 0.21% $2,907,083
Pathstone Holdings, LLC 2.1% 270,782 -20% 0.01% $2,447,869
Private Advisor Group, LLC 1.4% 186,341 -2% 0.01% $1,684,518
Fiera Capital Corp 0.96% 125,260 -3.5% 0% $1,132,350
Noble Wealth Management PBC 0.75% 97,449 +2.2% 0.45% $880,941
MORGAN STANLEY 0.73% 94,830 +4.8% 0% $857,263
Closed-End Fund Advisors, Inc. 0.73% 94,733 -1.5% 0.87% $856,386
D.A. DAVIDSON & CO. 0.66% 85,315 -0.21% 0% $771,256
MUSTICO FINANCIAL GROUP, INC. 0.63% 81,412 +0.09% 0.62% $754,283
Cambridge Investment Research Advisors, Inc. 0.52% 67,311 +6.6% 0% $608,000
LPL Financial LLC 0.33% 43,504 +6.8% 0% $393,274
WELLS FARGO & COMPANY/MN 0.33% 43,080 -8.3% 0% $389,445
Baird Financial Group, Inc. 0.33% 42,504 -0.78% 0% $384,236
Sowell Financial Services LLC 0.3% 39,073 0% 0.01% $353,220
Smith Asset Management Co., LLC 0.24% 31,818 0.25% $287,635
CLIFFORD SWAN INVESTMENT COUNSEL LLC 0.23% 29,500 0% 0.01% $266,680
GUGGENHEIM CAPITAL LLC 0.2% 25,611 +4.4% 0% $231,524
Independent Advisor Alliance 0.17% 22,140 0% $200,146
TrueMark Investments, LLC 0.16% 21,043 -70% 0.04% $190,229
RIVERNORTH CAPITAL MANAGEMENT, LLC 0.16% 21,043 -81% 0.01% $190,229
Catalina Capital Group, LLC 0.14% 18,823 0% 0.1% $170,160
Invesco Ltd. 0.14% 18,471 -56% 0% $166,978

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
2026 Q1 4,391,502 $39,717,722 +$6,149,208 $9.04 50
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
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