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

CUSIP: 95790A101

Q3 2025 13F Holders as of 30 Sep 2025

Holder snapshot 6 signals
Share change
+272,859
SEC-reported price per share
$16.69
Number of holders
28
Value change
+$4,555,463
Number of buys
8
Number of sells
13
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
5,990,486

Security key

95790A101

Report period

Q3 2025

Institutions

28

Top holders

10

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
Anthony Grillo
Disclosed value leader
SIT INVESTMENT ASSOCIATES...
Comparable rows
15/15
Latest evidence
30 Jun 2025
3/4/5 13F Lead comparable stake: 0.01% Showing 1-6 of 15 holder rows.

Quick read

Anthony Grillo leads the comparable SEC ownership view at 0.01%.

15 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 Anthony Grillo's linked filing trail.
Comparable ownership Top 5
Anthony Grillo 0.01%
SIT INVESTMENT ASSOCIATES INC 5.6%
UBS Group AG 5.1%
1607 Capital Partners, LLC 3.4%
GUGGENHEIM CAPITAL LLC 2.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Anthony Grillo
3/4/5
Director
0.01%
$11,410
700 shares
27 May 2025
SIT INVESTMENT ASSOCIATES INC
13F
Company
13F
5.6%
$5,527,000
333,360 shares
30 Jun 2025
UBS Group AG
13F
Company
13F
5.1%
$5,043,685
304,203 shares
30 Jun 2025
1607 Capital Partners, LLC
13F
Company
13F
3.4%
$3,350,818
202,100 shares
30 Jun 2025
GUGGENHEIM CAPITAL LLC
13F
Company
13F
2.3%
$2,250,105
135,712 shares
30 Jun 2025
MORGAN STANLEY
13F
Company
13F
2.1%
$2,041,810
123,149 shares
30 Jun 2025
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 Q3 2025

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

Institutions
28
Shares
1,875,636
Rows available
28
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 Q3 2025 vs Q1 2026 Across Filers

Q1 2026 holders
25
Q3 2025 holders
28
Holder diff
3
Investor Q1 2026 Shares Q3 2025 Shares Share Diff Share Chg % Q1 2026 value Q3 2025 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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