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Holdings (Monthly) Guide ↗

Long-Term US Government Bond Portfolio

· Northwestern Mutual Series Fund Inc
Monthly Holdings $381M AUM 126 positions Period Jun 2026 Filed Aug 20, 2026 EDGAR ↗ ← All Funds
# Name Ticker Since Shares Value % Port Cat
1 United States Treasury 912810SQ2 Dec 2022 40,890,000 $25.6M 21.11% DBT
2 United States Treasury 912810QQ4 Jun 2026 16,080,000 $15.4M 12.70% DBT
3 United States Treasury 912810TL2 Jun 2026 15,830,000 $13.5M 11.16% DBT
4 United States Treasury 912810UG1 Jun 2026 10,900,000 $10.4M 8.54% DBT
5 United States Treasury 912810TK4 Dec 2022 9,500,000 $7.9M 6.53% DBT
6 United States Treasury 912810SF6 Jun 2026 10,470,000 $7.6M 6.29% DBT
7 United States Treasury 912810SL3 Dec 2022 12,920,000 $7.5M 6.20% DBT
8 United States Treasury 912810ST6 Dec 2022 9,800,000 $6.3M 5.22% DBT
9 UMBS, TBA 01F050676 Jun 2026 5,900,000 $5.8M 4.78% ABS-MBS
10 UMBS, TBA 01F040677 Jun 2026 3,600,000 $3.4M 2.77% ABS-MBS
11 United States Treasury 912810SE9 Jun 2026 4,200,000 $3.3M 2.71% DBT
12 United States Treasury 912810TJ7 Dec 2022 4,500,000 $3.2M 2.63% DBT
13 United States Treasury 912810SD1 Dec 2022 4,000,000 $2.9M 2.42% DBT
14 United States Treasury 91282CJY8 Jun 2026 2,817,360 $2.8M 2.27% DBT
15 United States Treasury 912810TS7 Jun 2026 3,100,000 $2.7M 2.26% DBT
16 United States Treasury 912810UN6 Jun 2026 2,660,000 $2.6M 2.18% DBT
17 United States Treasury 912810UQ9 Jun 2026 2,700,000 $2.6M 2.14% DBT
18 United States Treasury 912810TM0 Dec 2022 2,800,000 $2.5M 2.08% DBT
19 United States Treasury 91282CNM9 Jun 2026 2,500,000 $2.5M 2.05% DBT
20 United States Treasury 912810TN8 Jun 2026 2,900,000 $2.3M 1.91% DBT
21 United States Treasury 912810RH3 Dec 2022 2,920,000 $2.3M 1.88% DBT
22 United States Treasury 91282CGK1 Jun 2026 2,392,969 $2.3M 1.87% DBT
23 Freddie Mac 3137AT2J0 Dec 2022 2,090,063 $2.0M 1.66% ABS-MBS
24 United States Treasury 912810SC3 Dec 2022 2,430,000 $1.8M 1.50% DBT
25 United States Treasury 912810TW8 Jun 2026 1,790,000 $1.8M 1.45% DBT
26 United States Treasury 91282CEZ0 Dec 2022 1,834,256 $1.7M 1.40% DBT
27 Freddie Mac 3137BDY34 Dec 2022 1,699,001 $1.6M 1.33% ABS-MBS
28 UMBS, TBA 01F042673 Jun 2026 1,600,000 $1.5M 1.26% ABS-MBS
29 Freddie Mac 3132DWLJ0 Jun 2026 1,570,093 $1.5M 1.24% ABS-MBS
30 United States Treasury 912810TU2 Jun 2026 1,600,000 $1.5M 1.24% DBT
31 United States Treasury 912810UD8 Jun 2026 1,600,000 $1.4M 1.19% DBT
32 United States Treasury 912810SX7 Dec 2022 2,300,000 $1.4M 1.19% DBT
33 United States Treasury 912810SW9 Dec 2022 1,900,000 $1.3M 1.09% DBT
34 United States Treasury 912810RZ3 Jun 2026 1,800,000 $1.3M 1.05% DBT
35 United States Treasury 912810SH2 Dec 2022 1,750,000 $1.2M 1.02% DBT
36 US TREASURY N/B 912810RJ9 Dec 2022 1,620,000 $1.2M 1.02% DBT
37 United States Treasury 912810TR9 Jun 2026 1,400,000 $1.1M 0.92% DBT
38 LCH Ltd. 000000000 Dec 2022 3,110,000 $1.1M 0.91% DIR
39 United States Treasury 912810RM2 Dec 2022 1,410,000 $1.1M 0.88% DBT
40 United States Treasury 912810SR0 Dec 2022 1,650,000 $1.0M 0.86% DBT
41 United States Treasury 912810RK6 Dec 2022 1,440,000 $1.0M 0.83% DBT
42 United States Treasury 912810UV8 Jun 2026 900,000 $907K 0.75% DBT
43 Freddie Mac 3137BERC0 Dec 2022 956,060 $874K 0.72% ABS-MBS
44 United States Treasury 912810UK2 Jun 2026 900,000 $873K 0.72% DBT
45 United States Treasury 91282CEE7 Jun 2026 900,000 $859K 0.71% DBT
46 Fannie Mae 3136ATQS6 Dec 2022 900,000 $761K 0.63% ABS-MBS
47 Government National Mortgage Association 21H040673 Jun 2026 800,000 $744K 0.61% ABS-MBS
48 United States Treasury 912810UF3 Jun 2026 700,000 $675K 0.56% DBT
49 United States Treasury 912810RV2 Jun 2026 900,000 $670K 0.55% DBT
50 United States Treasury 91282CDL2 Jun 2026 700,000 $657K 0.54% DBT
51 United States Treasury 91282CQQ7 Jun 2026 651,000 $648K 0.53% DBT
52 Hilton USA Trust 43300LAA8 Dec 2022 600,000 $598K 0.49% ABS-MBS
53 United States Treasury 9128334Y3 Dec 2022 850,000 $594K 0.49% DBT
54 United States Treasury 912810RQ3 Dec 2022 850,000 $586K 0.48% DBT
55 BENCHMARK Mortgage Trust 08160JAE7 Jun 2026 600,000 $585K 0.48% ABS-MBS
56 United States Treasury 912810SP4 Dec 2022 1,080,000 $530K 0.44% DBT
57 UMBS, TBA 01F062689 Jun 2026 500,000 $517K 0.43% ABS-MBS
58 Freddie Mac 3137BD4R4 Dec 2022 621,775 $510K 0.42% ABS-MBS
59 United States Treasury 912810UL0 Jun 2026 500,000 $504K 0.42% DBT
60 United States Treasury 912810UB2 Jun 2026 500,000 $483K 0.40% DBT
61 US TREASURY N/B 912810QZ4 Jun 2026 600,000 $480K 0.40% DBT
62 United States Treasury 912810SZ2 Dec 2022 800,000 $455K 0.38% DBT
63 Freddie Mac Military Housing Bonds Resec Trust 35563CAJ7 Dec 2022 533,837 $454K 0.37% ABS-MBS
64 Fannie Mae 3138L8YJ7 Dec 2022 481,680 $450K 0.37% ABS-MBS
65 United States Treasury 91282CDX6 Jun 2026 480,640 $435K 0.36% DBT
66 TENN VALLEY AUTH 88059FBG5 Dec 2022 500,000 $425K 0.35% DBT
67 United States Treasury 91282CEV9 Jun 2026 400,000 $390K 0.32% DBT
68 BEIGNET INVESTOR LLC 076912AA2 Jun 2026 377,000 $385K 0.32% DBT
69 United States Treasury 912810UT3 Jun 2026 400,000 $384K 0.32% DBT
70 United States Treasury 912810TZ1 Jun 2026 400,000 $381K 0.31% DBT
71 United States Treasury 912810RX8 Jun 2026 500,000 $371K 0.31% DBT
72 RESOLUTION FUNDING STRIP 76116EHK9 Dec 2022 400,000 $371K 0.31% DBT
73 Chicago Mercantile Exchange 000000000 Dec 2022 2,800,000 $333K 0.27% DIR
74 United States Treasury 91282CML2 Jun 2026 316,638 $316K 0.26% DBT
75 UMBS, TBA 01F060683 Jun 2026 300,000 $306K 0.25% ABS-MBS
76 United States Treasury 91282CPZ8 Jun 2026 310,000 $302K 0.25% DBT
77 Hertz Vehicle Financing LLC 42806MAN9 Dec 2022 300,000 $294K 0.24% ABS-O
78 United States Treasury 912810UJ5 Jun 2026 300,000 $293K 0.24% DBT
79 United States Treasury 912810RP5 Dec 2022 370,000 $279K 0.23% DBT
80 UMBS, TBA 01F032674 Jun 2026 300,000 $272K 0.22% ABS-MBS
81 United States Treasury 912810TQ1 Jun 2026 300,000 $266K 0.22% DBT
82 VESSEL MANAGEMENT SERVIC 228027AA6 Dec 2022 291,000 $262K 0.22% DBT
83 United States Treasury 912810SA7 Dec 2022 330,000 $243K 0.20% DBT
84 United States Treasury 91282CLE9 Jun 2026 212,304 $209K 0.17% DBT
85 United States Treasury 912810SS8 Dec 2022 400,000 $209K 0.17% DBT
86 BENCHMARK Mortgage Trust 081927AB1 Jun 2026 200,000 $205K 0.17% ABS-MBS
87 Chicago Mercantile Exchange 000000000 Dec 2022 500,000 $201K 0.17% DIR
88 United States Treasury 91282CGS4 Jun 2026 200,000 $196K 0.16% DBT
89 COMM Mortgage Trust 20048JAA8 Dec 2022 200,000 $195K 0.16% ABS-MBS
90 United States Treasury 912810SJ8 Jun 2026 300,000 $187K 0.15% DBT
91 Towd Point Mortgage Trust 89178WBB3 Dec 2022 200,000 $183K 0.15% ABS-MBS
92 Government National Mortgage Association 38376VKK2 Dec 2022 189,667 $152K 0.12% ABS-MBS
93 United States Treasury 91282CLX7 Jun 2026 100,000 $100K 0.08% DBT
94 United States Treasury 912834LR7 Jun 2026 220,000 $98K 0.08% DBT
95 Fannie Mae 01F042681 Jun 2026 100,000 $96K 0.08% ABS-MBS
96 Government National Mortgage Association 38377GMM8 Dec 2022 114,127 $94K 0.08% ABS-MBS
97 Freddie Mac 31394RLM9 Dec 2022 61,054 $62K 0.05% ABS-MBS
98 New Residential Mortgage Loan Trust 64828XAA1 Dec 2022 51,853 $50K 0.04% ABS-MBS
99 Chicago Board of Trade 000000000 Dec 2022 68 $39K 0.03% DIR
100 United States Treasury 912834KV9 Jun 2026 80,000 $37K 0.03% DBT
101 ECMC Group Student Loan Trust 26828HAA5 Dec 2022 33,907 $34K 0.03% ABS-O
102 United States Treasury 912834LK2 Jun 2026 70,000 $32K 0.03% DBT
103 United States Treasury 912834KP2 Jun 2026 50,000 $24K 0.02% DBT
104 United States Treasury 912834LX4 Jun 2026 50,000 $22K 0.02% DBT
105 Fannie Mae 31403C6L0 Dec 2022 20,297 $20K 0.02% ABS-MBS
106 United States Treasury 912834KH0 Jun 2026 40,000 $19K 0.02% DBT
107 Fannie Mae 3136A76U1 Dec 2022 18,989 $19K 0.02% ABS-MBS
108 Fannie Mae 31418DDL3 Dec 2022 17,599 $18K 0.01% ABS-MBS
109 Fannie Mae 31396VSR0 Dec 2022 12,797 $13K 0.01% ABS-MBS
110 Fannie Mae 31402RFV6 Dec 2022 12,269 $12K 0.01% ABS-MBS
111 Freddie Mac 3137A2SY8 Dec 2022 11,907 $12K 0.01% ABS-MBS
112 Massachusetts Educational Financing Authority 57563NAA6 Dec 2022 7,161 $7K 0.01% ABS-O
113 FHLMC STRUCTURED PASS THROUGH 31395A3J2 Dec 2022 2,757 $3K 0.00% ABS-MBS
114 Chicago Board of Trade 000000000 Dec 2022 -5 $1K 0.00% DIR
115 Structured Asset Mortgage Investments Inc 86359LDX4 Dec 2022 810 $786 0.00% ABS-MBS
116 Merrill Lynch Mortgage Investors Trust 589929W87 Dec 2022 361 $356 0.00% ABS-MBS
117 Chicago Board of Trade 000000000 Dec 2022 -5 $-547 -0.00% DIR
118 Chicago Board of Trade 000000000 Dec 2022 -25 $-3125 -0.00% DIR
119 Chicago Board of Trade 000000000 Dec 2022 -20 $-6562 -0.01% DIR
120 Chicago Board of Trade 000000000 Dec 2022 -4 $-15350 -0.01% DIR
121 Chicago Board of Trade 000000000 Dec 2022 -108 $-35568 -0.03% DIR
122 Chicago Mercantile Exchange 000000000 Dec 2022 34 $-71433 -0.06% DIR
123 Chicago Mercantile Exchange 000000000 Dec 2022 34 $-81603 -0.07% DIR
124 Chicago Mercantile Exchange 000000000 Dec 2022 34 $-85302 -0.07% DIR
125 Chicago Board of Trade 000000000 Dec 2022 -74 $-233665 -0.19% DIR
126 Chicago Board of Trade 000000000 Dec 2022 -256 $-401830 -0.33% DIR