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TBLD · Thornburg Income Builder Opportunities Trust · Holdings

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$21.38 -0.05 (-0.23%) At close · Sep 11
Market Cap
$692.49M
Shares
32.08M

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: 56
Total Value: $219,915,076
Total Shares: 9,964,436

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 56 13F filers · Δ vs Mar 31, 2026
Top Holder
18.6%
Sep 2023 → Jun 2026 · range 18.6% – 27.0%
−1.9 pts
Top 5
51.5%
Sep 2023 → Jun 2026 · range 51.5% – 64.6%
−3.3 pts
Top 10
78.1%
Sep 2023 → Jun 2026 · range 75.0% – 84.0%
−2.1 pts
HHI
793
Sep 2023 → Jun 2026 · range 793 – 1,163
Broadly held−81

Quarterly Activity

vs Mar 31, 2026
New
5
Increased
26
Decreased
16
Sold Out
3
Unchanged
9
Holder count: +2
Institutional value: +15.7%
Shares held: +10.6%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 56 of 56
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1820378 CUSIP 885213108 13F (30d) 16 filings 16 filers Visit website Investor relations