FundWatcher
ABTIX
Government Bond Fund
American Century Government Income 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
Fixed Income Clearing Corp 3.66 04/01/2026 0 28,554,000 28,554,000 5.95% $28.55M
US TREASURY N/B 0 15,000,000 15,000,000 3.14% $15.07M
FNCL 5 4/26 0 12,084,000 12,084,000 2.48% $11.92M
US TREASURY N/B 0 9,000,000 9,000,000 1.88% $9.01M
US TREASURY N/B 0 7,000,000 7,000,000 1.45% $6.95M
US TREASURY N/B 0 6,000,000 6,000,000 1.23% $5.91M
B 0 09/17/26 0 5,000,000 5,000,000 1.02% $4.92M
U.S. Treasury Bills 0 5,000,000 5,000,000 1.01% $4.83M
FHMS K155 A3 0 5,000,000 5,000,000 1.00% $4.78M
Federal Home Loan Banks 3.64 02/05/2027 0 4,000,000 4,000,000 0.83% $3.99M
US TREASURY N/B 0 3,800,000 3,800,000 0.80% $3.82M
G2SF 5 4/26 0 3,231,000 3,231,000 0.67% $3.20M
US TREASURY N/B 0 3,200,000 3,200,000 0.65% $3.14M
US TREASURY N/B 0 3,000,000 3,000,000 0.63% $3.00M
Freddie Mac Pool 0 2,514,284 2,514,284 0.53% $2.53M
Freddie Mac Pool 0 2,469,676 2,469,676 0.52% $2.49M
FNA 2023-M5 2A2 0 2,013,149 2,013,149 0.42% $2.02M
US TREASURY N/B 0 2,000,000 2,000,000 0.41% $1.98M
Fannie Mae Pool 0 1,734,541 1,734,541 0.35% $1.68M
US TREASURY N/B 0 1,600,000 1,600,000 0.33% $1.59M
US TREASURY N/B 0 1,500,000 1,500,000 0.32% $1.53M
Federal Home Loan Banks 3.38 04/09/2027 0 1,000,000 1,000,000 0.21% $998.34K
US TREASURY N/B 0 600,000 600,000 0.12% $586.36K
State Street Navigator Securities Lending Portfolio II 0 18,356 18,356 0.00% $18.36K
US LONG BOND(CBT) Mar26 0 152 152 -0.06% -$295.87K
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
Fixed Income Clearing Corp 3.82 01/02/2026 25,331,000 0 -25,331,000 0.00% -$25.33M
FNCL 5 1/26 14,170,000 0 -14,170,000 0.00% -$14.13M
US TREASURY N/B 9,500,000 0 -9,500,000 0.00% -$9.50M
US TREASURY N/B 6,500,000 0 -6,500,000 0.00% -$6.55M
FN CB7133 4,621,565 0 -4,621,565 0.00% -$4.76M
Fannie Mae Pool 3.50 4,271,721 0 -4,271,721 0.00% -$3.97M
Freddie Mac Pool 5.50 3,687,948 0 -3,687,948 0.00% -$3.77M
FREDDIE MAC POOL FR SD2184 3,346,499 0 -3,346,499 0.00% -$3.46M
Fannie Mae Pool 6.50 3,252,131 0 -3,252,131 0.00% -$3.39M
G2SF 5 1/26 3,231,000 0 -3,231,000 0.00% -$3.22M
US TREASURY N/B 3,200,000 0 -3,200,000 0.00% -$3.16M
FNMA 30YR 6% 09/01/2053#CB7123 2,975,991 0 -2,975,991 0.00% -$3.10M
US TREASURY N/B 3,000,000 0 -3,000,000 0.00% -$2.97M
US TREASURY N/B 2,500,000 0 -2,500,000 0.00% -$2.52M
NELNET STUDENT LOAN TRUST 2006-1 SER 2006-1 CL A6 V/R 144A P/P 4.58890000 2,373,846 0 -2,373,846 0.00% -$2.36M
Uniform Mortgage-Backed Securities 2,254,718 0 -2,254,718 0.00% -$2.35M
Fannie Mae Pool 6.00 1,980,619 0 -1,980,619 0.00% -$2.04M
US TREASURY N/B 2,000,000 0 -2,000,000 0.00% -$2.04M
US TREASURY N/B 2,000,000 0 -2,000,000 0.00% -$2.00M
US TREASURY N/B 2,000,000 0 -2,000,000 0.00% -$1.99M
FN CB5542 1,883,456 0 -1,883,456 0.00% -$1.92M
Fannie Mae Pool 3.50 1,902,137 0 -1,902,137 0.00% -$1.79M
Brazos Education Loan Authority Inc 4.43 1,668,576 0 -1,668,576 0.00% -$1.64M
FHMS K734 A2 1,574,072 0 -1,574,072 0.00% -$1.57M
Freddie Mac Pool 6.00 1,110,964 0 -1,110,964 0.00% -$1.15M
US TREASURY N/B 1,100,000 0 -1,100,000 0.00% -$1.12M
US TREASURY N/B 1,000,000 0 -1,000,000 0.00% -$996.62K
Fannie Mae Pool 4.50 723,898 0 -723,898 0.00% -$730.55K
ECMC GROUP STUDENT LOAN TRUST ECMC 2017 2A A 144A 691,702 0 -691,702 0.00% -$691.74K
FN 995752 447,279 0 -447,279 0.00% -$451.39K
FN AI9851 422,165 0 -422,165 0.00% -$424.49K
Fannie Mae Pool 4.50 154,677 0 -154,677 0.00% -$156.10K
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
US TREASURY N/B 9,000,000 15,000,000 6,000,000 3.16% $5.99M
US TREASURY N/B 6,100,000 7,000,000 900,000 1.46% $833.30K
US TREASURY N/B 1,000,000 4,400,000 3,400,000 0.94% $3.46M
US 2YR NOTE (CBT) Mar26 -48 178 226 0.01% $78.81K
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
US TREASURY N/B 34,000,000 19,200,000 -14,800,000 4.03% -$15.21M
G2 MA8267 8,060,555 7,884,958 -175,597 1.56% -$217.80K
G2 MA8268 7,828,140 7,646,329 -181,811 1.55% -$236.86K
Federal National Mortgage Association, Inc. 7,253,897 6,875,050 -378,847 1.44% -$449.06K
GNII II 4% 04/20/2054#MA9602 7,363,465 7,301,479 -61,986 1.43% -$132.25K
Fannie Mae Pool 3.63 6,874,228 6,843,668 -30,560 1.40% -$38.87K
G2 MA8347 6,123,780 5,980,235 -143,545 1.21% -$182.86K
Fannie Mae Pool 4.50 5,973,689 5,863,250 -110,439 1.18% -$172.35K
Freddie Mac Multifamily Structured Pass Through Certificates 3.00 5,438,605 5,400,347 -38,258 1.11% -$39.49K
UMBS Pool, 30 Year 6,163,519 6,052,570 -110,949 1.08% -$113.33K
US TREASURY N/B 6,500,000 5,000,000 -1,500,000 1.03% -$1.55M
Federal National Mortgage Association REMICS 4,940,905 4,408,987 -531,918 0.93% -$521.79K
G2 MA6766 4,919,894 4,821,547 -98,348 0.90% -$117.67K
FR RA5731 5,285,763 5,204,779 -80,984 0.88% -$80.65K
Fannie Mae Pool 2.50 4,970,215 4,900,711 -69,505 0.88% -$77.96K
Ginnie Mae II Pool 5.00 4,220,438 4,139,999 -80,439 0.86% -$105.18K
FANNIE MAE POOL FN BW0045 4,230,796 4,065,961 -164,835 0.84% -$209.77K
FN FS2600 4,496,804 4,426,096 -70,708 0.82% -$91.62K
Fannie Mae Pool 3.00 4,527,591 4,368,485 -159,105 0.82% -$169.01K
Fannie Mae Pool 4.00 4,246,659 4,129,159 -117,500 0.82% -$137.69K
FANNIE MAE POOL FN 03/52 FIXED 3 4,425,827 4,338,696 -87,131 0.81% -$110.14K
FR SD8214 4,229,242 4,147,175 -82,067 0.79% -$113.04K
FNMA POOL MA4786 FN 10/52 FIXED 5.5 3,686,190 3,529,850 -156,340 0.74% -$191.87K
FR SD1694 3,721,731 3,613,183 -108,548 0.73% -$157.26K
Fannie Mae Pool 5.00 3,568,967 3,474,226 -94,741 0.72% -$129.20K
North Texas Higher Education Authority Inc 4.42 3,523,161 3,462,887 -60,274 0.72% -$51.40K
Fannie Mae Pool 5.00 3,668,212 3,415,019 -253,193 0.71% -$301.54K
Freddie Mac Pool 4.00 3,533,513 3,456,073 -77,440 0.69% -$99.35K
FR RA8253 3,342,506 3,241,507 -100,999 0.68% -$129.39K
FNA 2024-M6 A2 3,000,000 2,992,096 -7,904 0.62% -$8.13K
Freddie Mac Pool 3.50 2,999,948 2,911,117 -88,831 0.56% -$105.16K
ECMC GROUP STUDENT LOAN TRUST 2021-1 SOFR30A+68.448 11/25/2070 144A 2,702,496 2,569,717 -132,779 0.53% -$132.63K
US TREASURY N/B 3,000,000 2,500,000 -500,000 0.52% -$534.57K
Seasoned Loans Structured Transaction Trust Series 2021-2 2.00 2,743,794 2,646,430 -97,364 0.51% -$67.28K
FNCL UMBS 4.0 CB3528 05-01-52 2,662,467 2,580,783 -81,684 0.51% -$99.99K
Fannie Mae Pool 5.00 2,453,438 2,421,021 -32,416 0.50% -$56.33K
Fannie Mae Pool 3.50 2,605,240 2,564,000 -41,240 0.49% -$70.09K
US TREASURY N/B 14,000,000 2,200,000 -11,800,000 0.47% -$12.16M
FG Q15774 2,245,971 2,198,430 -47,542 0.42% -$63.26K
Freddie Mac Pool 2.50 2,295,915 2,248,619 -47,296 0.40% -$50.22K
FN AB4053 1,948,210 1,893,876 -54,333 0.38% -$76.35K
Uniform Mortgage-Backed Securities 2,184,088 2,137,839 -46,250 0.38% -$45.45K
FNMA, 30 Year 2,168,592 2,123,548 -45,044 0.36% -$41.64K
Fannie Mae Pool 5.00 1,709,972 1,675,180 -34,792 0.35% -$53.48K
North Texas Higher Education Authority Inc 4.42 1,743,816 1,678,171 -65,645 0.35% -$69.87K
FANNIE MAE REMICS FNR 2023-39 AI 13,311,129 13,089,463 -221,665 0.34% -$55.97K
FNCL UMBS AS8804 02-01-47 1,815,031 1,766,834 -48,197 0.34% -$61.73K
Brazos Education Loan Authority Inc 4.55 1,635,718 1,582,934 -52,784 0.33% -$43.49K
FNMA 30YR 4% 08/01/2051#MA4428 1,600,180 1,569,554 -30,626 0.31% -$37.98K
PENNSYLVANIA HIGHER EDUCATION ASSISTANCE AGENCY SER 2021-1A CL A V/R 144A P/P 4.51867000 1,547,421 1,480,660 -66,761 0.30% -$65.44K
G2 MA0154 1,560,566 1,519,938 -40,628 0.30% -$35.19K
Fannie Mae Pool 4.00 1,534,043 1,506,983 -27,060 0.30% -$34.05K
FNMA POOL AS6994 FN 04/46 FIXED 4 1,538,888 1,477,514 -61,374 0.30% -$69.20K
United States Small Business Administration 2.82 1,607,994 1,450,730 -157,264 0.28% -$162.34K
Navient Student Loan Trust 2021-1A 1,547,507 1,505,082 -42,426 0.27% -$21.51K
US TREASURY N/B 3,000,000 1,200,000 -1,800,000 0.25% -$1.86M
U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031 1,214,670 1,213,530 -1,140 0.24% $8.39K
Fannie Mae Pool 3.00 1,282,403 1,255,410 -26,994 0.23% -$32.42K
FR SD8257 1,167,371 1,144,026 -23,346 0.23% -$35.31K
Fannie Mae Pool 4.00 1,186,687 1,124,688 -61,999 0.23% -$67.10K
Freddie Mac Pool 5.00 1,137,126 1,056,608 -80,518 0.22% -$92.65K
Uniform Mortgage-Backed Securities 1,236,400 1,214,175 -22,224 0.21% -$24.09K
Freddie Mac Pool 3.50 1,058,818 1,038,446 -20,372 0.20% -$29.65K
Freddie Mac Pool 3.00 1,032,317 1,010,352 -21,965 0.19% -$25.54K
Fannie Mae Pool 4.50 917,447 886,333 -31,115 0.18% -$42.45K
ECMC GROUP STUDENT LOAN TRUST ECMC 2020 2A A 144A 844,125 804,410 -39,715 0.17% -$40.13K
Fannie Mae Pool 4.50 832,572 810,487 -22,086 0.16% -$30.54K
Fannie Mae Pool 4.50 693,616 680,625 -12,991 0.14% -$24.68K
Freddie Mac Pool 3.50 708,426 699,381 -9,045 0.14% -$13.79K
Government National Mortgage Association 4.30 690,178 640,287 -49,892 0.13% -$49.12K
FN FS2462 722,335 707,976 -14,359 0.13% -$17.39K
Fannie Mae Pool 3.50 674,572 636,515 -38,057 0.13% -$45.73K
Fannie Mae Pool 6.00 547,510 535,613 -11,898 0.12% -$17.16K
Freddie Mac REMICS 4.55 587,105 552,792 -34,313 0.11% -$33.74K
Fannie Mae Pool 4.00 588,324 553,965 -34,359 0.11% -$40.98K
UMBS 538,015 514,699 -23,316 0.11% -$31.38K
U.S. Treasury Inflation-Protected Indexed Notes 518,760 518,275 -485 0.11% -$6
Freddie Mac Gold Pool 5.50 515,307 497,020 -18,286 0.11% -$25.99K
U.S. Treasury Notes 506,945 506,470 -475 0.11% -$1.59K
Fannie Mae Pool 5.50 468,798 449,941 -18,857 0.10% -$23.31K
Fannie Mae REMICS 4.29 486,369 452,778 -33,591 0.09% -$33.03K
GNMA II POOL MA7195 G2 02/51 FIXED 3.5 486,876 478,292 -8,584 0.09% -$2.56K
Freddie Mac REMICS 4.48 477,772 444,654 -33,118 0.09% -$32.59K
Freddie Mac REMICS 4.60 443,611 435,065 -8,546 0.09% -$8.39K
FNMA POOL AS6213 FN 11/45 FIXED 4 435,586 431,340 -4,245 0.09% -$6.71K
Brazos Education Loan Authority Inc 2.06 435,796 421,761 -14,035 0.08% -$14.97K
Navient Student Loan Trust 4.58867 12/26/2069 333,260 324,124 -9,137 0.07% -$9.60K
FNMA 6.50% 5/39 #AL1308 302,654 296,530 -6,124 0.06% -$11.46K
Fannie Mae REMICS 4.59 286,736 268,881 -17,855 0.06% -$17.83K
Fannie Mae Pool 3.11 254,575 249,809 -4,767 0.05% -$4.41K
Ginnie Mae I Pool 4.00 265,715 261,990 -3,726 0.05% -$5.94K
Ginnie Mae II Pool 5.63 254,211 249,282 -4,930 0.05% -$5.96K
Fannie Mae Pool 6.00 403,992 239,382 -164,610 0.05% -$174.44K
Freddie Mac REMICS 4.60 210,963 207,042 -3,921 0.04% -$3.87K
Government National Mortgage Association 3.99 191,971 184,519 -7,452 0.04% -$7.45K
Fannie Mae Pool 3.17 161,394 159,694 -1,700 0.03% -$1.47K
Ginnie Mae II Pool 5.25 156,046 152,586 -3,460 0.03% -$4.28K
Fannie Mae Pool 6.00 149,161 137,815 -11,345 0.03% -$13.20K
Ginnie Mae II Pool 5.38 127,811 125,147 -2,664 0.03% -$3.17K
GNMA II POOL 004344 G2 01/39 FIXED 6 91,763 88,066 -3,698 0.02% -$4.05K
Ginnie Mae II Pool 5.63 79,634 77,077 -2,556 0.02% -$2.86K
Ginnie Mae II Pool 4.75 70,376 68,866 -1,511 0.01% -$1.67K
Ginnie Mae II Pool 4.75 32,016 31,044 -972 0.01% -$991
US 10yr Ultra Fut Mar26 112 46 -66 -0.02% -$76.71K
US ULTRA BOND CBT Mar26 265 264 -1 -0.21% -$542.81K
Security Shares Dec 2025 Shares Mar 2026 Δ shares End % Δ value
US TREASURY N/B 18,300,000 18,300,000 0 3.86% -$183.71K
CALIFORNIA-REF-TXBL 13,000,000 13,000,000 0 2.74% -$86.92K
FHMS K752 A2 6,550,000 6,550,000 0 1.37% -$53.03K
Freddie Mac Multifamily Structured Pass Through Certificates 3.32 6,400,000 6,400,000 0 1.32% -$16.05K
FNMA REMICS, Series 2022-M2, Class A2 6,875,000 6,875,000 0 1.30% -$14.90K
FHMS K157 A2 6,200,000 6,200,000 0 1.28% -$41.41K
FHMS K755 A2 5,900,000 5,900,000 0 1.28% -$54.54K
FHMS K505 A2 6,000,000 6,000,000 0 1.26% -$54.21K
NEW YORK ST PWR AUTH REVENUE 5,000,000 5,000,000 0 1.11% -$44.57K
Freddie Mac Multifamily Structured Pass Through Certificates 2.73 5,399,000 5,399,000 0 1.05% -$24.27K
FREDDIE MAC 4,000,000 4,000,000 0 0.93% -$67.00K
US TREASURY N/B 4,000,000 4,000,000 0 0.83% -$28.98K
FHMS K-171 A2 3,640,000 3,640,000 0 0.75% -$25.07K
FANNIE MAE 3,000,000 3,000,000 0 0.70% -$48.16K
FANNIE MAE 3,000,000 3,000,000 0 0.55% -$10.27K
TENN VALLEY AUTH 2,000,000 2,000,000 0 0.36% -$6.66K
Fannie Mae Pool 3.17 1,500,000 1,500,000 0 0.31% $1.10K
US TREASURY N/B 1,300,000 1,300,000 0 0.28% -$15.06K
TENN VALLEY AUTH 1,000,000 1,000,000 0 0.21% -$4.82K
TENN VALLEY AUTH 800,000 800,000 0 0.17% -$5.59K
US TREASURY N/B 400,000 400,000 0 0.08% -$2.61K

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