PTY

NYSEMulti-Asset

PIMCO Corporate & Income Opportunity Fund

Sponsor: PIMCO · Inception Dec 26, 2002 · Pays monthly

Market priceShare price

$10.71

-1.02% ($-0.11)

NAVAsset value per share

$10.86

as of Oct 14, 2026 · Nasdaq NAV symbol

Premium / discountPrice vs. assets

1.38% discount *

Indicative: latest price vs latest reported NAV

Distribution rate (price)Payout rate

13.31%

regular, annualised · on NAV 13.13%

Expense ratioAnnual cost

1.52%

fee table, Sep 24, 2026

LeverageBorrowing

Not reported

senior securities not tagged

Quote status: Market closed — last regular-session price · last trade Oct 16, 2026, 4:00 PM EDT (exchange time, ET) · retrieved Oct 16, 2026, 6:54 PM EDTRegular-session prices; extended-hours quotes are not displayed.

Full portfolio as filed on SEC Form N-PORT for the month ending Jun 30, 2026, filed Aug 31, 2026. 907 positions; weights are percent of net assets as reported. Weights sum to 100.0% — leverage, cash, derivatives and short positions mean totals need not equal 100%. This is a historical report, not a live portfolio.

Asset class

Asset class	% net assets	Value
Debt	53.63%	$1.4B
Equity (common)	4.65%	$117M
ABS (other)	4.56%	$115M
Derivative (interest rate)	4.22%	$106M
Loans	38.78%	$977M
Mortgage-backed	13.37%	$337M
Short-term investment vehicle	11.04%	$278M
Equity (preferred)	0.95%	$23.8M
CDO/CLO	0.73%	$18.4M
Derivative (equity)	0.13%	$3.2M
Derivative (FX)	0.03%	$775K
Repurchase agreement	-31.47%	$-793M
Derivative (credit)	-0.61%	$-15.5M

Country (top 12)

Country (top 12)	% net assets	Value
United States	50.40%	$1.3B
Colombia	5.83%	$147M
Germany	4.39%	$111M
Bermuda	4.11%	$104M
United Kingdom	3.33%	$83.9M
France	3.14%	$79.2M
Luxembourg	3.00%	$75.7M
Netherlands	2.83%	$71.4M
Spain	2.56%	$64.4M
Nigeria	2.14%	$54M
Austria	1.93%	$48.7M
Canada	1.91%	$48.2M

Region

Region	% net assets	Value
Latin America	9.67%	$244M
United States	50.40%	$1.3B
Offshore domiciles	5.39%	$136M
Developed Europe	22.63%	$570M
Other	2.94%	$74.1M
Africa	2.24%	$56.5M
Middle East	2.07%	$52.1M
Canada	1.91%	$48.2M
Emerging Europe	1.60%	$40.4M
Japan	0.52%	$13.2M
Asia ex-Japan	0.48%	$12.1M
Australia & New Zealand	0.15%	$3.8M

Issuer type

Issuer type	% net assets	Value
Registered fund	7.93%	$200M
Corporate	65.72%	$1.7B
U.S. GSE	5.42%	$137M
Other	5.06%	$128M
Non-U.S. sovereign	14.32%	$361M
U.S. Treasury	0.78%	$19.7M
Municipal	0.77%	$19.4M
U.S. government agency	0.00%	$75.5K

Fair-value level

Fair-value level	% net assets	Value
Level 1	9.60%	$242M
Level 2	78.27%	$2B
Level 3	12.13%	$306M

Level 3 = valued with unobservable inputs (typically private or illiquid).

Long / short

Long / short	% net assets	Value
N/A	3.76%	$94.7M
Long	127.71%	$3.2B
Short	-31.47%	$-793M

All allocation percentages use net assets as the denominator (N-PORT convention). A position's share of invested assets may differ from its share of the whole fund including cash and leverage.

All 907 positions

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Security	Identifier	Type	Issuer	Country	Balance	Units	Value (USD)	Weight	FV level
JP Morgan Mortgage Trust	466247WT6	MBS	CORP	United States	5,005	principal	$4.7K	0.00%	2
THAMES WATER SUPER SEN	XS3397078802	Debt	CORP	United Kingdom	3,161	principal	$4.5K	0.00%	3
Societe Generale SA	—	FX deriv.	OTHER	United States	1	contracts	$4.3K	0.00%	2
JPMorgan Chase Bank NA	US46513CXR23	Credit deriv.	OTHER	United States	200,000	OU	$3.9K	0.00%	2
Project Alpha Intermediate Holding, Inc.	74339DAN8	Loan	CORP	United States	4,679	principal	$3.4K	0.00%	2
Standard Chartered Bank	—	FX deriv.	OTHER	United States	1	contracts	$3.2K	0.00%	2
JPMorgan Chase Bank NA	—	FX deriv.	OTHER	United States	2	contracts	$3.1K	0.00%	2
XBP Global Holdings Inc	98400V200	Equity	CORP	United States	1,223	shares	$2.8K	0.00%	1
JPMorgan Chase Bank NA	—	FX deriv.	OTHER	United States	1	contracts	$2.7K	0.00%	2
Lehman Mortgage Trust	52521NAJ9	MBS	CORP	United States	2,272	principal	$2K	0.00%	2
Wells Fargo Bank NA	—	FX deriv.	OTHER	United States	1	contracts	$1.7K	0.00%	2
Banco Santander SA	—	FX deriv.	OTHER	United States	1	contracts	$1.7K	0.00%	2
Goldman Sachs Bank USA	—	FX deriv.	OTHER	Canada	1	contracts	$1.7K	0.00%	2
HSBC Bank PLC	—	FX deriv.	OTHER	United States	2	contracts	$1.7K	0.00%	2
Deutsche Bank AG	—	FX deriv.	OTHER	United States	5	contracts	$1.6K	0.00%	2
Australia & New Zealand Banking Group Ltd.	—	FX deriv.	OTHER	United States	1	contracts	$787	0.00%	2
Bank of America NA	—	FX deriv.	OTHER	United States	1	contracts	$538	0.00%	2
Fannie Mae	3136AEFR3	MBS	USGSE	United States	31,797	principal	$339	0.00%	2
BNP Paribas SA	—	FX deriv.	OTHER	United States	1	contracts	$325	0.00%	2
LNR CDO Ltd	53944PAA0	CDO/CLO	CORP	Cayman Islands	3,114,417	principal	$315	0.00%	2
HSBC Bank PLC	—	FX deriv.	OTHER	Australia	1	contracts	$240	0.00%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	271,200,000	OU	$203	0.00%	2
Societe Generale SA	—	FX deriv.	OTHER	Australia	1	contracts	$195	0.00%	2
Bank of America NA	—	FX deriv.	OTHER	United States	1	contracts	$155	0.00%	2
Adagio CLO	XS1710468239	CDO/CLO	CORP	Ireland	1,343,393	principal	$154	0.00%	3
Wells Fargo Bank NA	—	FX deriv.	OTHER	United Kingdom	1	contracts	$96	0.00%	2
Bank of America NA	—	FX deriv.	OTHER	United States	1	contracts	$94	0.00%	2
STEINHOFF CVRrestricted	NL0011375019	Equity deriv.	OTHER	Netherlands	97,336,701	shares	$111	0.00%	3
Societe Generale SA	—	FX deriv.	OTHER	United Kingdom	1	contracts	$110	0.00%	2
JPMorgan Chase Bank NA	—	FX deriv.	OTHER	United States	1	contracts	$102	0.00%	2
Deutsche Bank AG	US706451BG56	Credit deriv.	OTHER	United Kingdom	158,760	OU	$84	0.00%	3
Citibank NA	—	FX deriv.	OTHER	Peru	1	contracts	$40	0.00%	2
N-Star Real Estate CDO Ltd	62940FAD1	CDO/CLO	CORP	Cayman Islands	220,345	principal	$22	0.00%	2
Credit-Based Asset Servicing and Securitization	12489WQG2	ABS	CORP	United States	7	principal	$7	0.00%	2
ADLER Group SA	LU2900363131	Equity	CORP	Luxembourg	3,916,182	shares	$4	0.00%	3
Mercury Aggregator LP	—	Loan	CORP	United States	4,506,343	principal	$0	0.00%	3
Obol France 3 SAS	—	Loan	CORP	France	0	principal	$0	0.00%	2
COLUMBUS MCKINNON CORPORATION	19933MAS2	Loan	CORP	United States	0	principal	$0	0.00%	2
Marlette Funding Trust	57109M101	ABS	CORP	United States	14,553	principal	$0	0.00%	3
SWORD PURCHASER LLC	87110SAB8	Loan	CORP	United States	0	principal	$0	0.00%	2
WEST MARINE NEW WARRANT	—	Equity deriv.	OTHER	United States	1,687	shares	$0	0.00%	3
iHeartCommunications Inc	45174UAJ7	Loan	CORP	United States	0	principal	$0	0.00%	2
OCS Group Holdings Ltd	—	Loan	CORP	United Kingdom	0	principal	$0	0.00%	2
WHIRLPOOL CORP	963320BG0	Debt	CORP	United States	0	principal	$0	0.00%	2
Citibank NA	—	FX deriv.	OTHER	Indonesia	3	contracts	$-7	0.00%	2
State Street Bank & Trust Co.	—	FX deriv.	OTHER	Canada	1	contracts	$-2	0.00%	2
Scotia Capital USA, Inc.short	—	Repo	CORP	United States	-99,628,390	principal	$-99.6M	-3.95%	2
Bank of New York Mellonshort	—	Repo	CORP	United States	-97,556,576	principal	$-97.6M	-3.87%	2
Deutsche Bank Securities, Inc.short	—	Repo	CORP	United States	-86,660,883	principal	$-86.7M	-3.44%	2
SG Americas Securities LLCshort	—	Repo	CORP	United States	-78,601,889	principal	$-78.6M	-3.12%	2
BNP Paribas SAshort	—	Repo	CORP	United States	-45,447,586	principal	$-53.1M	-2.11%	2
Canadian Imperial Bank of Commerceshort	—	Repo	CORP	United States	-51,491,950	principal	$-51.5M	-2.04%	2
Barclays Bank PLCshort	—	Repo	CORP	United States	-46,426,310	principal	$-49.4M	-1.96%	2
UBS AGshort	—	Repo	CORP	Luxembourg	-41,824,139	principal	$-47.8M	-1.90%	2
Credit Agricole CIBshort	—	Repo	CORP	United States	-46,098,971	principal	$-46.1M	-1.83%	2
BNY Mellon NAshort	—	Repo	CORP	United States	-38,659,565	principal	$-38.7M	-1.53%	2
Societe Generale SAshort	—	Repo	CORP	XX	-28,757,795	principal	$-32.9M	-1.30%	2
Nomura Fixed Income Securities Private Ltd.short	—	Repo	CORP	United States	-24,163,156	principal	$-24.2M	-0.96%	2
BofA Securities, Inc.short	—	Repo	CORP	United States	-23,486,219	principal	$-23.5M	-0.93%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	161,500,000	OU	$-20.6M	-0.82%	2
F. H. Deacon Hodgsonshort	—	Repo	CORP	United States	-17,219,802	principal	$-17.2M	-0.68%	2
LCH Ltd.	—	Rate deriv.	OTHER	United States	568,100,000	OU	$-13.8M	-0.55%	2
Standard Chartered Bankshort	—	Repo	CORP	United States	-12,623,314	principal	$-12.6M	-0.50%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	313,010,000	OU	$-9.3M	-0.37%	2
JPMorgan Securities LLCshort	—	Repo	CORP	United States	-9,204,093	principal	$-9.2M	-0.37%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	263,700,000	OU	$-9M	-0.36%	2
Morgan Stanley & Co. International PLCshort	—	Repo	CORP	United Kingdom	-6,469,780	principal	$-8.5M	-0.34%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	69,800,000	OU	$-7.7M	-0.31%	2
Intercontinental Exchange, Inc.	FR0013521564	Credit deriv.	OTHER	United States	38,200,000	OU	$-6.3M	-0.25%	2
UBS Securities LLCshort	—	Repo	CORP	United States	-5,837,645	principal	$-5.8M	-0.23%	2
LCH Ltd.	—	Rate deriv.	OTHER	United States	330,360,000	OU	$-5.8M	-0.23%	2
TD Securities, Inc.short	—	Repo	CORP	United States	-3,679,312	principal	$-3.7M	-0.15%	2
UBS AG	—	FX deriv.	OTHER	United States	1	contracts	$-3.4M	-0.13%	2
HSBC Bank PLCshort	—	Repo	CORP	Luxembourg	-2,487,716	principal	$-2.8M	-0.11%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	83,700,000	OU	$-2.4M	-0.10%	2
JPMorgan Chase Bank NAshort	—	Repo	CORP	Luxembourg	-1,726,544	principal	$-2M	-0.08%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	71,200,000	OU	$-1.8M	-0.07%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	430,500,000	OU	$-1.7M	-0.07%	2
Wells Fargo Bank NA	—	FX deriv.	OTHER	United States	1	contracts	$-1.7M	-0.07%	2
Morgan Stanley & Co. International PLC	—	Credit deriv.	OTHER	United Kingdom	19,676,644	OU	$-1.6M	-0.06%	3
Merrill Lynch Pierce Fenner & Smith, Inc.	—	Credit deriv.	OTHER	United States	18,074,403	OU	$-1.4M	-0.06%	3
Citibank NA	US195325BB02	Credit deriv.	OTHER	United States	12,900,000	OU	$-1.3M	-0.05%	2
Morgan Stanley Capital Services LLC	US195325BB02	Credit deriv.	OTHER	United States	12,750,000	OU	$-1.3M	-0.05%	2
LCH Ltd.	—	Rate deriv.	OTHER	United States	40,140,000	OU	$-1.3M	-0.05%	2
Barclays Bank PLC	—	Credit deriv.	OTHER	United States	15,460,220	OU	$-1.2M	-0.05%	3
Deutsche Bank AG	XS3194941111	Credit deriv.	OTHER	United Kingdom	5,100,000	OU	$-1.2M	-0.05%	2
Royal Bank of Canadashort	—	Repo	CORP	United States	-988,713	principal	$-989K	-0.04%	2
Banco Santander SA	—	FX deriv.	OTHER	United States	1	contracts	$-983K	-0.04%	2
Citibank NA	—	FX deriv.	OTHER	United States	5	contracts	$-820K	-0.03%	2
Wells Fargo Bank NA	—	FX deriv.	OTHER	Brazil	1	contracts	$-818K	-0.03%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	49,800,000	OU	$-812K	-0.03%	2
Bank of America NA	US706451BG56	Credit deriv.	OTHER	United States	15,700,000	OU	$-776K	-0.03%	2
Merrill Lynch Pierce Fenner & Smith, Inc.short	—	Repo	CORP	United States	-771,845	principal	$-772K	-0.03%	2
JPMorgan Chase Bank NA	XS3194941111	Credit deriv.	OTHER	United States	2,500,000	OU	$-534K	-0.02%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	91,200,000	OU	$-493K	-0.02%	2
Goldman Sachs International	—	Credit deriv.	OTHER	United States	5,823,247	OU	$-490K	-0.02%	3
LCH Ltd.	—	Rate deriv.	OTHER	United States	84,500,000	OU	$-457K	-0.02%	2
BNP Paribas SA	US195325BB02	Credit deriv.	OTHER	France	3,230,000	OU	$-334K	-0.01%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	19,900,000	OU	$-330K	-0.01%	2
Goldman Sachs Bank USA	—	FX deriv.	OTHER	Brazil	3	contracts	$-253K	-0.01%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	200,800,000	OU	$-251K	-0.01%	2
State Street Bank & Trust Co.	—	FX deriv.	OTHER	United States	1	contracts	$-220K	-0.01%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	50,500,000	OU	$-204K	-0.01%	2
Bank of America NA	—	FX deriv.	OTHER	United States	1	contracts	$-196K	-0.01%	2
Barclays Bank PLC	—	FX deriv.	OTHER	South Africa	2	contracts	$-161K	-0.01%	2
Barclays Bank PLC	US706451BG56	Credit deriv.	OTHER	United Kingdom	3,000,000	OU	$-148K	-0.01%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	261,500,000	OU	$-134K	-0.01%	2
Barclays Bank PLC	—	FX deriv.	OTHER	United States	7	contracts	$-130K	-0.01%	2
BNP Paribas SA	—	FX deriv.	OTHER	Brazil	2	contracts	$-116K	-0.00%	2
JPMorgan Chase Bank NA	US706451BG56	Credit deriv.	OTHER	United States	2,600,000	OU	$-105K	-0.00%	2
Goldman Sachs International	—	Credit deriv.	OTHER	United States	1,311,776	OU	$-104K	-0.00%	3
Deutsche Bank AG	—	FX deriv.	OTHER	South Africa	1	contracts	$-100K	-0.00%	2
Bank of America NA	—	FX deriv.	OTHER	XX	2	contracts	$-95K	-0.00%	2
Citibank NA	—	FX deriv.	OTHER	XX	1	contracts	$-91.4K	-0.00%	2
Goldman Sachs Bank USA	—	FX deriv.	OTHER	United States	12	contracts	$-72.3K	-0.00%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	7,100,000	OU	$-69.9K	-0.00%	2
LCH Ltd.	—	Rate deriv.	OTHER	United States	2,700,000	OU	$-69.4K	-0.00%	2
Citibank NA	US706451BG56	Credit deriv.	OTHER	United States	1,700,000	OU	$-68.4K	-0.00%	2
Citibank NA	—	FX deriv.	OTHER	United States	1	contracts	$-66K	-0.00%	2
Intercontinental Exchange, Inc.	US68389XBN49	Credit deriv.	OTHER	United States	3,700,000	OU	$-56.1K	-0.00%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	53,200,000	OU	$-50K	-0.00%	2
HSBC Bank PLC	—	FX deriv.	OTHER	XX	3	contracts	$-46.7K	-0.00%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	2,600,000	OU	$-39.6K	-0.00%	2
Morgan Stanley Capital Services LLC	US706451BG56	Credit deriv.	OTHER	United States	2,600,000	OU	$-34.7K	-0.00%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	3,000,000	OU	$-33.3K	-0.00%	2
JPMorgan Chase Bank NA	—	FX deriv.	OTHER	Brazil	1	contracts	$-20.9K	-0.00%	2
State Street Bank & Trust Co.	—	FX deriv.	OTHER	United States	1	contracts	$-20.3K	-0.00%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	1,300,000	OU	$-19.5K	-0.00%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	1,300,000	OU	$-19.4K	-0.00%	2
Goldman Sachs International	JP367240BP19	Credit deriv.	OTHER	United Kingdom	53,300,000	OU	$-18.8K	-0.00%	2
JPMorgan Chase Bank NA	JP367240BP19	Credit deriv.	OTHER	United States	53,300,000	OU	$-18.8K	-0.00%	2
Bank of America NA	—	FX deriv.	OTHER	United Kingdom	1	contracts	$-16.5K	-0.00%	2
Barclays Bank PLC	US706451BG56	Credit deriv.	OTHER	United Kingdom	400,000	OU	$-16.1K	-0.00%	2
Citibank NA	—	FX deriv.	OTHER	United Kingdom	1	contracts	$-13.6K	-0.00%	2
BNP Paribas SA	—	FX deriv.	OTHER	United States	2	contracts	$-9.8K	-0.00%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	700,000	OU	$-7.9K	-0.00%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	2,300,000	OU	$-7.5K	-0.00%	2
Citibank NA	—	FX deriv.	OTHER	United States	3	contracts	$-6.2K	-0.00%	2
JPMorgan Chase Bank NA	—	FX deriv.	OTHER	United States	1	contracts	$-6.1K	-0.00%	2
Wells Fargo Bank NA	—	FX deriv.	OTHER	United States	1	contracts	$-5.3K	-0.00%	2
JPMorgan Chase Bank NA	—	FX deriv.	OTHER	Mexico	1	contracts	$-2.5K	-0.00%	2
Wells Fargo Bank NA	—	FX deriv.	OTHER	Japan	1	contracts	$-1.7K	-0.00%	2
Goldman Sachs Bank USA	—	FX deriv.	OTHER	United States	1	contracts	$-1.7K	-0.00%	2
Bank of America NA	—	FX deriv.	OTHER	United States	2	contracts	$-1.3K	-0.00%	2
Chicago Mercantile Exchange	—	Rate deriv.	OTHER	United States	2,643,800,000	OU	$-1K	-0.00%	2
BNP Paribas SA	—	FX deriv.	OTHER	Indonesia	5	contracts	$-471	-0.00%	2
BNP Paribas SA	—	FX deriv.	OTHER	United States	1	contracts	$-464	-0.00%	2
Standard Chartered Bank	—	FX deriv.	OTHER	United States	1	contracts	$-439	-0.00%	2
HSBC Bank PLC	—	FX deriv.	OTHER	United States	2	contracts	$-228	-0.00%	2
Societe Generale SA	—	FX deriv.	OTHER	United States	1	contracts	$-198	-0.00%	2
Societe Generale SA	—	FX deriv.	OTHER	United States	1	contracts	$-111	-0.00%	2
Goldman Sachs Bank USA	—	FX deriv.	OTHER	Indonesia	4	contracts	$-73	-0.00%	2
Citibank NA	—	FX deriv.	OTHER	United States	2	contracts	$-69	-0.00%	2
Nomura Global Financial Products, Inc.	—	FX deriv.	OTHER	Indonesia	1	contracts	$-57	-0.00%	2
BNP Paribas SA	—	FX deriv.	OTHER	South Africa	1	contracts	$-45	-0.00%	2
Standard Chartered Bank	—	FX deriv.	OTHER	Indonesia	2	contracts	$-43	-0.00%	2
BNP Paribas SA	—	FX deriv.	OTHER	United States	1	contracts	$-28	-0.00%	2

Equities show share counts; bonds and loans show principal amount. Coupon, maturity and ratings are shown where the filing discloses them. Source: SEC N-PORT via market-data vendor re-serve, position-level.

Holdings reports on file

Report date	Filed	Positions	Σ weight	Net assets (calc.)	Coverage
Jun 30, 2026	Aug 31, 2026	907	100.0%	$2.5B	full
Mar 31, 2026	May 29, 2026	893	100.0%	$2.5B	full
Dec 31, 2025	Mar 2, 2026	837	100.0%	$2.6B	full

Net assets here are calculated from position values ÷ reported weights (median across positions), not a reported figure.

CEF Explorer research page for PIMCO Corporate & Income Opportunity Fund. Figures carry their own dates and sources; a discount to NAV does not guarantee convergence or any return. This is not investment advice.