THORNBURG INVESTMENT MANAGEMENT INC
โขCIK: 1145020โขFiling: Q4 2025
Thornburg Investment Management Inc., led by CEO John F. Norris, is known for its concentrated, high-conviction equity strategy, currently managing $7.9 billion in assets across 176 positions. Recently, the fund has made notable shifts by adding significant positions in MU and FCX, while cutting JPM and KRG drastically, reflecting a focus on tech and materials sectors.
Total AUM
$7.9B
QoQ Performance
+3.4%
Positions
173
Top 10 Concentration
52.3%
Latest Filing
Q4 2025
Top Holdings Allocation
TRVC
T
AVGO
TRVC11.8%
T9.1%
AVGO9.0%
MRK5.0%
CME4.0%
EQH2.9%
TRP2.8%
CSCO2.8%
๐ Biggest Buys
๐ Biggest Sells
Sector Breakdown
Other57.5%
Technology15.4%
Healthcare9.8%
Communication9.2%
Materials3.3%
Consumer2.6%
Financial2.3%
Energy0.0%
๐ช Exited Positionssold since Q3 2025
+5 more exited positions
Changes from Q3 2025
NEW10 new positions
โ56 increased
โ99 decreased
Historical Filings
Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023Q2 2023Q1 2023Q4 2022Q3 2022Q2 2022Q1 2022Q4 2021Q3 2021Q2 2021Q1 2021Q4 2020Q3 2020Q2 2020Q1 2020Q4 2019Q3 2019Q2 2019Q1 2019Q4 2018Q3 2018Q2 2018Q1 2018Q4 2017Q3 2017Q2 2017Q1 2017Q4 2016Q3 2016Q2 2016Q1 2016Q4 2015Q3 2015Q2 2015Q1 2015Q4 2014Q3 2014Q2 2014Q1 2014Q4 2013Q3 2013Q2 2013