THORNBURG INVESTMENT MANAGEMENT INC — 13F Holdings & Portfolio
CIK 1145020 · latest 13F-HR filed 2026-05-12
THORNBURG INVESTMENT MANAGEMENT INC manages $9.63B in 13F-reported U.S. long-equity assets across 171 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are TTE (11.31%), C (9.40%), T (9.34%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 24 new positions, exited 29, added to 49, and trimmed 75.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$9.63B
Long-equity book
171
Distinct positions
2026-03-31
Filed 2026-05-12
+24 / −29 / ↑49 / ↓75
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- AT&T INC$178.5M +24.7%
- TC ENERGY CORP$72.5M +32.6%
- MERCK & CO INC$56.0M +14.3%
- SOUTH BOW CORP$42.8M +55.0%
- TAIWAN SEMICONDUCTOR MFG LTD$41.2M +21.1%
Top Trims
- BROADCOM INC-$67.4M -9.5%
- EQUITABLE HLDGS INC-$47.7M -20.5%
- KANZHUN LIMITED-$41.2M -33.1%
- TRANSDIGM GROUP INC-$29.0M -45.7%
- MAREX GROUP PLC-$24.1M -56.9%
New Positions
- TOTALENERGIES SE$1.09B
- ASTRAZENECA PLC$555.7M
- VANGUARD INDEX FDS$16.9M
- NETFLIX INC.$12.1M
- PINNACLE FINL PARTNERS INC$12.0M
Exited Positions
- ASTRAZENECA PLC$46.5M
- FLUTTER ENTMT PLC$14.2M
- PINNACLE FINL PARTNERS INC$13.2M
- SERVICETITAN INC$13.2M
- ADTALEM GLOBAL ED INC$12.8M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | TOTALENERGIES SE | TTE | F92124100 | $1.09B | 11.31% | 11,660,983 | SH |
| 2 | CITIGROUP INC | C | 172967424 | $905.9M | 9.40% | 7,988,210 | SH |
| 3 | AT&T INC | T | 00206R102 | $900.0M | 9.34% | 31,045,244 | SH |
| 4 | BROADCOM INC | AVGO | 11135F101 | $644.9M | 6.69% | 2,083,646 | SH |
| 5 | ASTRAZENECA PLC | AZN | G0593M107 | $555.7M | 5.77% | 2,858,651 | SH |
| 6 | MERCK & CO INC | MRK | 58933Y105 | $448.5M | 4.66% | 3,728,673 | SH |
| 7 | CME GROUP INC | CME | 12572Q105 | $338.3M | 3.51% | 1,145,442 | SH |
| 8 | TC ENERGY CORP | TRP | 87807B107 | $295.0M | 3.06% | 4,720,722 | SH |
| 9 | TAIWAN SEMICONDUCTOR MFG LTD | TSM | 874039100 | $237.0M | 2.46% | 701,352 | SH |
| 10 | CISCO SYS INC | CSCO | 17275R102 | $226.1M | 2.35% | 2,914,333 | SH |
| 11 | ENBRIDGE INC | ENB | 29250N105 | $197.2M | 2.05% | 3,641,034 | SH |
| 12 | EQUITABLE HLDGS INC | EQH | 29452E101 | $185.3M | 1.92% | 4,994,205 | SH |
| 13 | MEDTRONIC PLC | MDT | G5960L103 | $174.8M | 1.81% | 2,017,077 | SH |
| 14 | HOME DEPOT INC | HD | 437076102 | $171.4M | 1.78% | 521,009 | SH |
| 15 | REGIONS FINANCIAL CORP NEW | RF | 7591EP100 | $170.2M | 1.77% | 6,515,272 | SH |
| 16 | FREEPORT-MCMORAN INC | FCX | 35671D857 | $166.7M | 1.73% | 2,836,234 | SH |
| 17 | CANADIAN PACIFIC KANSAS CITY | CP | 13646K108 | $159.6M | 1.66% | 2,028,713 | SH |
| 18 | LINDE PLC | LIN | G54950103 | $135.4M | 1.41% | 274,372 | SH |
| 19 | ALCON AG | ALC | H01301128 | $128.4M | 1.33% | 1,708,677 | SH |
| 20 | ALPHABET INC | GOOGL | 02079K305 | $122.2M | 1.27% | 424,942 | SH |
| 21 | SOUTH BOW CORP | SOBO | 83671M105 | $120.7M | 1.25% | 3,632,875 | SH |
| 22 | FERROVIAL SE | FER | N3168P101 | $111.6M | 1.16% | 1,739,341 | SH |
| 23 | ABBVIE INC | ABBV | 00287Y109 | $109.4M | 1.14% | 502,832 | SH |
| 24 | KANZHUN LIMITED | BZ | 48553T106 | $83.5M | 0.87% | 6,232,846 | SH |
| 25 | LYONDELLBASELL INDUSTRIES NV | LYB | N53745100 | $78.7M | 0.82% | 977,081 | SH |
| 26 | ALIBABA GROUP HLDG LTD | BABA | 01609W102 | $76.6M | 0.79% | 610,184 | SH |
| 27 | SCHWAB CHARLES CORP | SCHW | 808513105 | $76.1M | 0.79% | 809,560 | SH |
| 28 | META PLATFORMS INC | META | 30303M102 | $72.2M | 0.75% | 126,216 | SH |
| 29 | CHIMERA INVT CORP | CIM | 16934Q802 | $68.7M | 0.71% | 5,476,302 | SH |
| 30 | SLR INVESTMENT CORP | SLRC | 83413U100 | $66.3M | 0.69% | 4,633,431 | SH |
| 31 | PFIZER INC | PFE | 717081103 | $63.0M | 0.65% | 2,242,186 | SH |
| 32 | ELI LILLY & CO | LLY | 532457108 | $55.3M | 0.57% | 60,178 | SH |
| 33 | MERCADOLIBRE INC | MELI | 58733R102 | $53.6M | 0.56% | 31,022 | SH |
| 34 | MASTERCARD INCORPORATED | MA | 57636Q104 | $48.9M | 0.51% | 97,913 | SH |
| 35 | BOOKING HOLDINGS INC | BKNG | 09857L108 | $47.2M | 0.49% | 11,211 | SH |
| 36 | CACI INTL INC | CACI | 127190304 | $46.0M | 0.48% | 84,568 | SH |
| 37 | L3HARRIS TECHNOLOGIES INC | LHX | 502431109 | $43.7M | 0.45% | 126,698 | SH |
| 38 | ADOBE INC | ADBE | 00724F101 | $42.2M | 0.44% | 173,515 | SH |
| 39 | TJX COS INC NEW | TJX | 872540109 | $42.1M | 0.44% | 263,663 | SH |
| 40 | MIDCAP FINANCIAL INVSTMNT CO | MFIC | 03761U502 | $36.4M | 0.38% | 3,237,783 | SH |
| 41 | TRANSDIGM GROUP INC | TDG | 893641100 | $34.4M | 0.36% | 29,662 | SH |
| 42 | FERRARI N V | RACE | N3167Y103 | $32.5M | 0.34% | 96,042 | SH |
| 43 | SEA LTD | SE | 81141R100 | $30.6M | 0.32% | 369,873 | SH |
| 44 | VERTIV HOLDINGS CO | VRT | 92537N108 | $28.8M | 0.30% | 115,016 | SH |
| 45 | SHOPIFY INC | SHOP | 82509L107 | $27.7M | 0.29% | 233,601 | SH |
| 46 | ASML HLDG NV | ASML | N07059210 | $25.8M | 0.27% | 19,513 | SH |
| 47 | CAPITAL ONE FINL CORP | COF | 14040H105 | $25.5M | 0.26% | 139,670 | SH |
| 48 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $24.9M | 0.26% | 122,568 | SH |
| 49 | TECHNIPFMC PLC | FTI | G87110105 | $23.0M | 0.24% | 333,174 | SH |
| 50 | ARISTA NETWORKS INC | ANET | 040413205 | $20.7M | 0.21% | 168,348 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-12 | $9.63B | 171 | 0001140361-26-020785 |
| 2025-12-31 | 2026-02-13 | $7.93B | 176 | 0001140361-26-005232 |
| 2025-09-30 | 2025-11-12 | $7.67B | 176 | 0001140361-25-041494 |