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IGI

Western Asset Investment Grade Opportunity Trust Inc.

Company with tickers: IGI

CIK
1462586
CUSIP
95790A101
Shares Outstanding
5,993,650
13F Activity (30d)
18 filings 16 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 25
Total Value: $41,745,186
Total Shares: 2,594,481

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 25 13F filers · Δ vs Dec 31, 2025
Top Holder
33.0%
Jun 2023 → Mar 2026 · range 17.3% – 41.3%
+7.4 pts
Top 5
79.2%
Jun 2023 → Mar 2026 · range 65.1% – 88.9%
+8.8 pts
Top 10
93.1%
Jun 2023 → Mar 2026 · range 84.0% – 97.7%
+1.2 pts
HHI
1,747
Jun 2023 → Mar 2026 · range 976 – 2,416
Moderately concentrated+356

Quarterly Activity

vs Dec 31, 2025
New
2
Increased
10
Decreased
8
Sold Out
2
Unchanged
5
Holder count: 0
Institutional value: +70.5%
Shares held: +74.9%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 25 of 25
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Holder Value (USD) % of 13F Shares Open