Western Asset Investment Grade Opportunity Trust Inc. - Common Stock (IGI)

Q: What does CUSIP 95790A101 represent in this 13F holders report?

CUSIP 95790A101 is the security identifier for IGI - Western Asset Investment Grade Opportunity Trust Inc. - Common Stock used to aggregate holder disclosures.

Q: How many institutions held IGI - Western Asset Investment Grade Opportunity Trust Inc. - Common Stock in Q1 2023?

39 institutional investors reported IGI - Western Asset Investment Grade Opportunity Trust Inc. - Common Stock for Q1 2023. Use the holders table for investor-level position and value details.

CUSIP: 95790A101

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Common Stock
Total 13F shares: 3,836,126
Total 13F value: $64,944,895
Share change: +403,520
SEC-reported price per share: $16.93
Number of holders: 39
Value change: +$6,840,499
Number of buys: 22
Number of sells: 12
Shares outstanding: 5,995,624

Security key

95790A101

Report period

Q1 2023

Institutions

Top holders

IGI full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 Western Asset Investment Grade Opportunity Trust Inc. SEC filings

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 95790A101

Newer quarter: Q3 2025

Recent filing periods:

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of IGI - Western Asset Investment Grade Opportunity Trust Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

1607 Capital Partners, LLC

Disclosed value leader

1607 Capital Partners, LLC

Comparable rows

0/15

Latest evidence

31 Dec 2022

13F Highest disclosed value: $20,847,549 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

1607 Capital Partners, LLC has the largest disclosed position value at $20.85M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens 1607 Capital Partners, LLC's linked filing trail.

Disclosed position value Top 5

1607 Capital Partners, LLC $20.85M

SIT INVESTMENT ASSOCIATES INC $9.12M

UBS Group AG $7.14M

MORGAN STANLEY $6.07M

PRIVATE MANAGEMENT GROUP INC $2.66M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
1607 Capital Partners, LLC	13F Company 13F	— denominator unverified	$20,847,549 1,280,562 shares	—	31 Dec 2022
SIT INVESTMENT ASSOCIATES INC	13F Company 13F	— denominator unverified	$9,115,000 559,891 shares	—	31 Dec 2022
UBS Group AG	13F Company 13F	— denominator unverified	$7,143,029 438,761 shares	—	31 Dec 2022
MORGAN STANLEY	13F Company 13F	— denominator unverified	$6,074,508 373,127 shares	—	31 Dec 2022
PRIVATE MANAGEMENT GROUP INC	13F Company 13F	— denominator unverified	$2,664,987 163,697 shares	—	31 Dec 2022
BANK OF AMERICA CORP /DE/	13F Company 13F	— denominator unverified	$1,700,966 104,482 shares	—	31 Dec 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

3,836,126

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2023 vs Q2 2026 Across Filers

Q2 2026 holders

Q1 2023 holders

Holder diff

Investor	Q2 2026 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q2 2026 value	Q1 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend