TSUMX
Thornburg Summit Fund
THORNBURG INVESTMENT TRUST

Portfolio moves

Net position changes between two of this fund's N-PORT snapshots. These are differences between point-in-time reports — not a trade log — and share counts can be affected by splits and other corporate actions.

Dec 31, 2025 → Mar 31, 2026

Expand a category to see the positions behind it, ranked by weight.

Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
US TREASURY N/B 0 2,805,000 2,805,000 2.60% $2.74M
ROCHE HOLDING AG 0 4,494 4,494 1.70% $1.79M
US TREASURY N/B 0 2,650,000 2,650,000 1.64% $1.73M
U.S. Treasury Inflation-Indexed Notes 0 974,838 974,838 0.91% $963.19K
B M EUROPEAN VALUE RETAIL SA 0 163,416 163,416 0.35% $366.96K
VEROS AUTO RECEIVABLES TRUST VEROS 2025 1 A 144A 0 318,616 318,616 0.30% $319.14K
US TREASURY N/B 0 320,000 320,000 0.30% $315.68K
US TREASURY N/B 0 320,000 320,000 0.30% $315.40K
TOMARI 2.75 01/21/27 144A 0 275,000 275,000 0.26% $271.17K
Upstart Securitization Trust, Series 2023-3, Class B 0 260,000 260,000 0.25% $265.07K
Sequoia Mortgage Trust 2025-10 0 268,125 268,125 0.25% $262.33K
OCCU Auto Receivables Trust 2022-1 0 258,214 258,214 0.25% $259.91K
Santander Drive Auto Receivables Trust, Series 2026-1, Class A2 0 250,000 250,000 0.24% $249.85K
JP Morgan Mortgage Trust 2024-11 6.00 0 245,323 245,323 0.23% $245.91K
LFT 2021-1A A 0 250,000 250,000 0.23% $244.84K
Oracle Corp 0 250,000 250,000 0.23% $244.84K
Fannie Mae REMICS 0 247,725 247,725 0.23% $241.68K
CAMLNG 3.402 01/15/38 144A 0 275,000 275,000 0.23% $239.47K
MFA 2024-NQM1 Trust 6.58 0 234,924 234,924 0.22% $236.97K
EART 2022-2A D 0 231,550 231,550 0.22% $231.21K
EART 2022-4A D 0 223,160 223,160 0.21% $224.26K
Commonbond Student Loan Trust 2017-B-GS 0 231,212 231,212 0.21% $217.91K
Veros Auto Receivables Trust, Series 2026-1, Class A 0 211,880 211,880 0.20% $211.79K
PAWNEEE EQUIPMENT RECEIVABLES SERIES 2022-1 LLC PWNE 2022-1 C 0 200,000 200,000 0.19% $200.02K
Western Union Co/The 0 200,000 200,000 0.19% $198.25K
Dividend Solar Loans LLC, Series 2019-1, Class A 0 212,007 212,007 0.19% $197.49K
TPG OPERATING GR 0 200,000 200,000 0.19% $196.12K
Marlette Funding Trust, Series 2022-3A, Class D 0 165,784 165,784 0.16% $168.13K
Lending Funding Trust, Series 2020-2A, Class A 0 167,386 167,386 0.16% $165.45K
FR RQ0094 0 165,450 165,450 0.15% $163.19K
FN MA5972 0 158,214 158,214 0.15% $159.05K
SBA TOWER TRUST 0 150,000 150,000 0.14% $146.39K
Lendbuzz Securitization Trust 2026-1 0 142,987 142,987 0.14% $142.95K
REINSURANCE GRP OF AMERICA INC 5.75/VAR 06/15/2056 PFD 0 4,175 4,175 0.10% $104.04K
BK 3.7 PERP 0 100,000 100,000 0.10% $100.26K
US TREASURY N/B 0 130,000 130,000 0.09% $98.27K
US TREASURY N/B 0 100,000 100,000 0.09% $94.91K
REINSURANCE GROUP OF AMERICA I PREFFERD STOCK 0 1,825 1,825 0.04% $46.37K
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
ROCHE HOLDINGS AG (GENUSSCHEINE) 4,611 0 -4,611 0.00% -$1.90M
US TREASURY N/B 995,000 0 -995,000 0.00% -$991.11K
U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031 944,278 0 -944,278 0.00% -$880.69K
US TREASURY N/B 1,230,000 0 -1,230,000 0.00% -$831.21K
Uniform Mortgage-Backed Securities 900,725 0 -900,725 0.00% -$800.19K
US TREASURY N/B 800,000 0 -800,000 0.00% -$798.00K
US TREASURY N/B 690,000 0 -690,000 0.00% -$697.87K
U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034 528,526 0 -528,526 0.00% -$525.72K
US TREASURY N/B 505,000 0 -505,000 0.00% -$516.52K
B&M EUROPEAN 163,416 0 -163,416 0.00% -$371.83K
Worldpay US, Inc. 250,000 0 -250,000 0.00% -$360.19K
BNSF FUNDING 300,000 0 -300,000 0.00% -$300.20K
US TREASURY N/B 400,000 0 -400,000 0.00% -$279.56K
PENN ELEC CO 275,000 0 -275,000 0.00% -$275.58K
BERRY GLOBAL INC 275,000 0 -275,000 0.00% -$274.60K
BLACK HILLS CORP 250,000 0 -250,000 0.00% -$268.28K
Oportun Issuance Trust, Series 2025-A, Class A 200,000 0 -200,000 0.00% -$200.14K
SOUTHERN CO 200,000 0 -200,000 0.00% -$199.93K
Oportun Issuance Trust, Series 2024-2, Class A 196,254 0 -196,254 0.00% -$196.29K
KALYAN JEWELLERS 34,357 0 -34,357 0.00% -$185.28K
VARUN BEVERAGES 33,300 0 -33,300 0.00% -$181.54K
U.S. Treasury Notes 163,153 0 -163,153 0.00% -$166.67K
US TREASURY N/B 150,000 0 -150,000 0.00% -$147.73K
SBNA Auto Receivables Trust, Series 2025-SF1, Class B 58,048 0 -58,048 0.00% -$58.09K
Regional Management Issuance Trust, Series 2022-1, Class A 49,568 0 -49,568 0.00% -$49.49K
SDART 2022-7 B 5.95% 01-17-28 32,954 0 -32,954 0.00% -$32.99K
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
CITIGROUP INC 18,874 19,869 995 2.14% $50.94K
SHELL PLC 42,255 43,754 1,499 1.94% $483.00K
COLLIERS-SUBORD 7,439 18,651 11,212 1.89% $900.68K
U.S. Treasury STRIPS Coupon 2,550,000 3,850,000 1,300,000 1.49% $529.43K
MEDTRONIC PLC 11,804 16,516 4,712 1.36% $297.22K
CONSTELLATION SOFTWARE INC 410 776 366 1.29% $376.05K
ROKO AB 1,930 8,117 6,187 1.25% $956.78K
Lumine Group Inc 39,849 78,906 39,057 1.19% $469.01K
OPEN TEXT CORP 40,349 42,633 2,284 0.90% -$363.99K
BUILDERS FIRSTSOURCE 6,219 7,947 1,728 0.62% $14.40K
TELEPERFORMANCE SE 2,904 8,752 5,848 0.49% $303.25K
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
ZEGONA COMMUNICATIONS PLC 208,813 178,678 -30,135 3.73% $4.77K
SAMSUNG ELECTRONICS CO LTD 39,825 28,829 -10,996 3.20% $33.95K
TSMC 54,792 53,792 -1,000 2.95% $408.10K
ALPHABET INC CL A 7,060 6,581 -479 1.80% -$317.35K
LIBERTY ENERGY INC CL A 62,882 60,352 -2,530 1.65% $577.34K
SLB LTD 35,406 33,154 -2,252 1.62% $344.90K
NVIDIA CORP 9,203 8,627 -576 1.43% -$211.81K
Thornburg Capital Management Fund 269,465 133,078 -136,387 1.26% -$1.36M
TENARIS SA SPON ADR 21,297 16,792 -4,505 0.93% $158.09K
GLENCORE PLC 149,403 125,911 -23,492 0.91% $134.89K
FR SD4175 973,486 957,917 -15,569 0.77% -$17.55K
SHOPIFY INC CL A 6,334 6,024 -310 0.68% -$305.02K
ASML Holding NV 563 485 -78 0.61% $35.30K
LINDE PLC 1,675 1,130 -545 0.53% -$153.99K
FN MA4512 664,415 652,525 -11,890 0.52% -$12.63K
FN BV4119 567,394 559,304 -8,090 0.45% -$9.85K
UMBS 533,859 522,560 -11,298 0.44% -$13.36K
Uniform Mortgage-Backed Securities 474,168 467,386 -6,782 0.39% -$8.42K
Fannie Mae Pool 480,887 474,755 -6,132 0.38% -$7.04K
FN MA4548 479,175 470,588 -8,587 0.38% -$9.12K
FNMA POOL CB2301 FN 12/51 FIXED 3 415,384 408,001 -7,383 0.34% -$8.66K
ADV MICRO DEVICE 2,277 1,616 -661 0.31% -$158.90K
U.S. Treasury Inflation-Protected Indexed Bonds 575,244 574,600 -644 0.29% -$5.85K
FNCL UMBS 2.5 FM8761 09-01-51 351,349 348,586 -2,762 0.28% -$4.00K
MORGAN STANLEY RESIDENTIAL MTG LN TR 2024-RPL1 A1 4% 06/25/2064 293,973 280,579 -13,394 0.26% -$12.28K
New Residential Mortgage Loan Trust 2022-NQM3 293,015 285,738 -7,277 0.26% -$7.66K
InStar Leasing III LLC 283,698 279,709 -3,989 0.25% -$3.35K
G2 MA8098 278,669 273,115 -5,554 0.23% -$6.96K
U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033 240,460 240,189 -271 0.22% $547
Towd Point Mortgage Trust 2025-R1 234,459 232,785 -1,674 0.20% -$2.36K
NZES 2025-FHT1 A 144A 6.545% 03-25-32 215,745 206,633 -9,112 0.20% -$10.55K
Freddie Mac Pool 244,037 241,495 -2,542 0.19% -$3.29K
MFA Trust, Series 2022-CHM1, Class A1 207,931 203,994 -3,937 0.19% -$5.17K
ImageFirst, Term Loan B 199,500 199,000 -500 0.19% -$1.37K
SOFI 2021-B AFX 231,940 219,846 -12,093 0.18% -$9.34K
Freddie Mac Pool 221,457 219,116 -2,341 0.18% -$2.81K
EDvestinU Private Education Loan Issue No. LLC, Series 2021-A, Class A 215,733 199,961 -15,772 0.18% -$15.64K
G2 MA7368 213,762 209,268 -4,494 0.18% -$5.50K
Ajax Mortgage Loan Trust 2021-A 210,299 200,838 -9,461 0.18% -$4.51K
TSET 2024-1A A2 198,121 180,565 -17,556 0.17% -$18.15K
BHG SECURITIZATION TRUST 2023-A SER 2023-A CL B REGD 144A P/P 6.35000000 200,000 178,787 -21,213 0.17% -$22.06K
SMB PRIVATE EDUCATION LOAN TRUST 2020-A SMB 2020-A A2A 203,307 179,746 -23,561 0.17% -$23.10K
XROAD 2025-A A2 196,210 171,766 -24,444 0.16% -$25.03K
Uniform Mortgage-Backed Securities 183,521 180,223 -3,299 0.14% -$3.62K
IMPRL 2021-NQM2 A1 155,116 151,815 -3,301 0.12% -$2.58K
TIAA Bank Mortgage Loan Trust 2018-2 139,205 137,616 -1,589 0.12% -$1.83K
CSMC Trust, Series 2021-RPL4, Class A1 117,693 114,245 -3,448 0.11% -$6.28K
NRZT 2016-2A A1 144A FRN 11-26-35 113,111 109,697 -3,414 0.10% -$3.82K
GCAT 2021-CM2 Trust 117,154 106,980 -10,174 0.10% -$11.24K
SKY Trust 2025-LINE 97,438 96,508 -929 0.09% -$763
AMDR ABS Trust Series 2025-1A, Class A 174,516 88,160 -86,357 0.08% -$86.47K
Aqua Finance Trust, Series 2019-A, Class B 81,358 74,866 -6,493 0.07% -$6.46K
EFT 2020-A A 68,282 63,657 -4,625 0.06% -$4.49K
CPS Auto Receivables Trust, Series 2022-A, Class D 108,117 62,654 -45,464 0.06% -$45.17K
UPSTART SECURITIZATION TRUST 7.92% 06/20/2033 144A 193,333 56,330 -137,003 0.05% -$137.85K
ECAF LTD ECAF 2015 1A A2 144A 62,987 59,946 -3,041 0.05% -$2.84K
Freddie Mac Whole Loan Securities Trust 2017-SC02 57,770 57,252 -518 0.05% $675
Marlette Funding Trust 2021-3 53,833 35,009 -18,824 0.03% -$18.81K
Freedom Financial Series 2022-3FP, Class D 72,760 33,762 -38,998 0.03% -$39.05K
SEASONED CREDIT RISK TRANSFER TRUST SERIES 2016-1 3.5% 07/25/2058 33,282 32,302 -980 0.03% -$1.19K
BHG Securitization Trust, Series 2022-C, Class B 67,863 30,768 -37,094 0.03% -$37.26K
Momnt Technologies Trust 2023-1 21,929 14,470 -7,459 0.01% -$7.50K
Upstart Securitization Trust, Series 2023-3, Class A 95,018 7,573 -87,445 0.01% -$87.62K
AMCR ABS Trust Series 2024-A Class A 32,387 966 -31,421 0.00% -$31.47K
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
ORANGE 119,713 119,713 0 2.33% $456.73K
AMAZON.COM INC 10,748 10,748 0 2.12% -$242.37K
META PLATFORMS INC CL A 3,031 3,031 0 1.65% -$266.61K
AT&T INC 54,682 54,682 0 1.50% $226.93K
BNP PARIBAS 15,194 15,194 0 1.37% $4.85K
CANADIAN PACIFIC KANSAS CITY LTD 16,986 16,986 0 1.27% $85.44K
ASTRAZENECA PLC 6,780 6,780 0 1.26% $65.48K
VISA INC-CLASS A 4,166 4,166 0 1.20% -$201.93K
CME GROUP INC CL A 4,088 4,088 0 1.15% $91.04K
BROADCOM INC 3,894 3,894 0 1.14% -$142.48K
TOTALENERGIES SE 12,107 12,107 0 1.05% $320.17K
MASTERCARD INC CL A 2,211 2,211 0 1.05% -$157.47K
US TREASURY N/B 1,055,000 1,055,000 0 1.02% -$13.02K
MICROSOFT CORP 2,909 2,909 0 1.02% -$330.03K
SCHWAB CHARLES CORP 10,362 10,362 0 0.92% -$61.45K
GALAXY ENTERTAIN 205,000 205,000 0 0.88% -$82.79K
L3HARRIS TECHNOLOGIES INC 2,371 2,371 0 0.78% $122.30K
MERCADOLIBRE INC 445 445 0 0.73% -$126.93K
ROUND ONE CORP 143,400 143,400 0 0.72% -$269.84K
ZOETIS INC CL A 5,816 5,816 0 0.65% -$44.26K
Icon Public Limited Company 6,010 6,010 0 0.63% -$430.08K
ITOCHU CORP 50,000 50,000 0 0.60% $4.18K
MERCK & CO 5,273 5,273 0 0.60% $79.25K
KEYENCE CORP 1,719 1,719 0 0.58% -$10.00K
JPMORGAN CHASE and CO 1,949 1,949 0 0.54% -$54.69K
PFIZER INC 19,654 19,654 0 0.52% $62.50K
SERVICENOW INC 4,835 4,835 0 0.48% -$235.17K
CCO Holdings LLC / CCO Holdings Capital Corp 500,000 500,000 0 0.44% -$4.40K
Uzbekistan Government Bond 4,500,000,000 4,500,000,000 0 0.37% -$3.19K
Empresa Generadora de Electricidad Haina SA 350,000 350,000 0 0.32% -$4.11K
APPLE INC 1,329 1,329 0 0.32% -$24.02K
AUSTRALIAN GOVT. 500,000 500,000 0 0.29% $6.24K
Prosus NV 285,000 285,000 0 0.29% -$8.48K
NOVO NORDISK-B 8,204 8,204 0 0.28% -$115.87K
UNDER ARMOUR INC SR UNSECURED 06/26 3.25 300,000 300,000 0 0.28% $633
American Tower Trust I 3.625%, 03/23/28 300,000 300,000 0 0.28% -$273
BXP TRUST 2021 601L 325,000 325,000 0 0.27% -$2.96K
Flagship Credit Auto Trust 2019-4 5,000 5,000 0 0.27% -$28.52K
Petroleos Mexicanos 315,000 315,000 0 0.26% -$9.24K
HOME DEPOT INC 801 801 0 0.25% -$12.18K
TURKCELL ILETISIM HIZMET SR UNSECURED 144A 01/30 7.45 250,000 250,000 0 0.24% -$8.66K
Arivo Acceptance Auto Loan Receivables Trust 2022-2 250,000 250,000 0 0.24% -$3.38K
DailyPay Securitization Trust 2025-1 250,000 250,000 0 0.24% -$939
ANTARES HOLDINGS SR UNSECURED 144A 02/29 6.5 250,000 250,000 0 0.24% -$5.48K
HIGHMARK INC SR UNSECURED 144A 05/26 1.45 250,000 250,000 0 0.24% $1.78K
DEPOSITORY TRUST & CLEAR REGD V/R /PERP/ 144A P/P SER D 3.37500000 250,000 250,000 0 0.24% $1.80K
Northern Trust Corp., Series D 250,000 250,000 0 0.24% -$1.52K
Bunker Hill Loan Depositary Trust 2019-3 250,000 250,000 0 0.23% $195
HTGC 2 5/8 09/16/26 250,000 250,000 0 0.23% $100
Aegea Finance Sarl 250,000 250,000 0 0.23% -$17.13K
ILLUMINA INC 242,000 242,000 0 0.23% -$3.66K
ONE BRYANT PK TR 2019-OBP 2.51641% 09/15/2054 144A 250,000 250,000 0 0.22% -$1.08K
Hudson Yards Mortgage Trust, Series 2019-55HY, Class A 245,000 245,000 0 0.22% -$1.57K
SUNBT 2025-1 A 225,000 225,000 0 0.22% -$605
CENTURY PLAZA TOWERS 2019-CPT SER 2019-CPT CL A REGD 144A P/P 2.86500000 245,000 245,000 0 0.21% -$689
BURLN 9.25 07/01/31 144A 250,000 250,000 0 0.21% -$31.80K
DC Office Trust, Series 2019-MTC, Class A 250,000 250,000 0 0.21% -$1.50K
Presidencia de la Republica Dominicana 13,000,000 13,000,000 0 0.21% $1.78K
ET V6.5 PERP H 225,000 225,000 0 0.21% -$1.56K
BROOKFIELD ASSE 225,000 225,000 0 0.21% -$3.69K
SLG Office Trust, Series 2021-OVA, Class A 250,000 250,000 0 0.21% -$590
SDART 2024-3 B 5.55% 09-17-29 200,000 200,000 0 0.19% -$427
FHF Issuer Trust, Series 2025-2A, Class A2 200,000 200,000 0 0.19% -$1.82K
COBKAC 6 1/4 PERP 200,000 200,000 0 0.19% -$594
Research-Driven Pagaya Motor Trust 2025-6 200,000 200,000 0 0.19% -$5
EMERA INC SUB (H) 6.75% 06-15-76/26 200,000 200,000 0 0.19% -$1.14K
Fortiva Retail Credit Master Note Business Trust 200,000 200,000 0 0.19% -$715
POLARIS INC 200,000 200,000 0 0.19% -$3.89K
Pegasus Hava Tasimaciligi AS 200,000 200,000 0 0.19% -$12.46K
WE Soda Investments Holding PLC 200,000 200,000 0 0.19% -$3.35K
DataBank Issuer, Series 2024-1A, Class A2 200,000 200,000 0 0.19% -$2.17K
SBA TOWER TRUST 200,000 200,000 0 0.19% $1.05K
CORPBOND 200,000 200,000 0 0.19% -$898
Presidencia da Republica 1,000,000 1,000,000 0 0.17% $13.52K
UNITED KINGDOM GILT GBP REG S 1.625% 10-22-28 140,000 140,000 0 0.16% -$4.73K
SFO COMMERICAL MORTGAGE TRUST SFO 2021 555 A 144A 174,000 174,000 0 0.16% $540
Tricolor Auto Securitization Trust 2023-1 169,625 169,625 0 0.15% $1.51K
SAP SE 881 881 0 0.14% -$63.86K
Dominion Energy, Inc., Series C 150,000 150,000 0 0.14% -$1.21K
APTARGROUP INC 145,000 145,000 0 0.14% -$2.15K
Egypt Government Bond 7,075,000 7,075,000 0 0.12% -$21.05K
ECOPETROL SA SR UNSECURED 02/32 7.75 125,000 125,000 0 0.12% -$1.78K
Ecopetrol SA 117,000 117,000 0 0.12% -$1.84K
PETROLEOS MEXICANOS SR UNSEC 5.95% 01-28-31 120,000 120,000 0 0.11% -$1.45K
BANK OF NY MELLON CORP REGD V/R /PERP/ SER F 4.62500000 100,000 100,000 0 0.09% $103
Panama Bonos del Tesoro 100,000 100,000 0 0.09% $898
Goldman Home Improvement Trust 2021-GRN2 Issuer Trust 2,000 2,000 0 0.07% -$4.40K
Mosaic Solar Loan Trust 2021-2 1,150,000 1,150,000 0 0.07% -$4.94K
LOGM 5.5 05/01/28 144A 77,292 77,292 0 0.06% -$4.72K
ANGEL OAK MORTGAGE TRUST 2020-5 60,000 60,000 0 0.05% -$112
TRICOLOR AUTO SECURITIZATION T TAST 2024 2A A 144A 44,707 44,707 0 0.04% -$2.69K
GOTO GROUP INC REGD 144A P/P 5.50000000 106,737 106,737 0 0.03% -$8.47K
Marlette Funding Trust 2021-3 1,200 1,200 0 0.02% $562
US DOLLARS 1 1 0 0.02% $3.27K
Marlette Funding Trust 2021-2 1,150 1,150 0 0.01% -$825
SBA TOWER TRUST REGD 144A P/P 6.59900000 13,000 13,000 0 0.01% -$92
Marlette Funding Trust 2021-1 1,200 1,200 0 0.00% -$8.89K
ZURICH INSURANCE GROUP AG TRS 0.0000% 05-15-2033 1 1 0 0.00% $83.72K

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