State Street Income Fund

Open-end / ETF

Registrant

STATE STREET INSTITUTIONAL INVESTMENT TRUST

Class ticker

SSASX

Net Assets

$272,709,262

Holdings

1,190

Latest Report

Jun 30, 2026

Net Assets Over Time

Holdings · 1,190

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Showing 1–50 of 1,190 holdings by value · page 1 of 24

Holding	Symbol	Balance	Value	% of Fund	Side	Category
State Street Global Advisors	857492706	61,032,261	$61,032,261	22.38%	Long	STIV
UMBS, TBA	01F022675	17,870,345	$14,929,869	5.47%	Long	ABS-MBS
UMBS, TBA	01F060675	13,440,768	$13,729,476	5.03%	Long	ABS-MBS
United States Treasury	91282CNP2	12,694,200	$12,658,498	4.64%	Long	DBT
United States Treasury	91282CKU4	7,625,100	$7,762,114	2.85%	Long	DBT
United States Treasury	912810UM8	6,446,100	$6,256,746	2.29%	Long	DBT
UMBS, TBA	01F020679	7,773,343	$6,204,278	2.28%	Long	ABS-MBS
United States Treasury	91282CLC3	6,133,200	$6,104,930	2.24%	Long	DBT
United States Treasury	91282CHT1	5,988,900	$5,823,737	2.14%	Long	DBT
United States Treasury	912810SD1	7,654,700	$5,608,264	2.06%	Long	DBT
United States Treasury	91282CPE5	5,073,500	$5,029,900	1.84%	Long	DBT
UMBS, TBA	01F030678	5,515,099	$4,809,552	1.76%	Long	ABS-MBS
Bank	06541XAE0	4,843,325	$4,765,631	1.75%	Long	ABS-MBS
United States Treasury	912810TU2	4,330,800	$4,072,982	1.49%	Long	DBT
United States Treasury	91282CNT4	3,962,100	$3,911,955	1.43%	Long	DBT
Freddie Mac	3133KGXM5	4,372,819	$3,891,695	1.43%	Long	ABS-MBS
United States Treasury	91282CPR6	3,953,300	$3,860,336	1.42%	Long	DBT
GS Mortgage Securities Trust	36257UAK3	3,155,831	$2,976,353	1.09%	Long	ABS-MBS
Government National Mortgage Association	36179MVR8	2,934,365	$2,675,841	0.98%	Long	ABS-MBS
Fannie Mae	3140XAQS4	3,078,470	$2,573,523	0.94%	Long	ABS-MBS
United States Treasury	9128286B1	2,662,100	$2,560,815	0.94%	Long	DBT
Verus Securitization Trust	924935AC3	2,450,455	$2,425,561	0.89%	Long	ABS-MBS
United States Treasury	912810RT7	3,508,700	$2,289,427	0.84%	Long	DBT
Freddie Mac	3132L5A29	2,512,230	$2,286,321	0.84%	Long	ABS-MBS
United States Treasury	91282CMZ1	2,290,500	$2,265,627	0.83%	Long	DBT
Onslow Bay Financial LLC	67449LAA9	2,268,747	$2,244,770	0.82%	Long	ABS-MBS
United States Treasury	912810TT5	2,547,000	$2,225,043	0.82%	Long	DBT
Government National Mortgage Association	36179RBW8	2,428,154	$2,194,184	0.80%	Long	ABS-MBS
Bank	06036FBC4	2,058,150	$2,037,524	0.75%	Long	ABS-MBS
United States Treasury	91282CBJ9	1,995,500	$1,891,594	0.69%	Long	DBT
Woodward Capital Management	74939LAA2	1,757,119	$1,736,574	0.64%	Long	ABS-MBS
United States Treasury	91282CNR8	1,760,400	$1,735,094	0.64%	Long	DBT
United States Treasury	91282CKP5	1,640,300	$1,660,035	0.61%	Long	DBT
CD Commercial Mortgage Trust	12515BAE8	1,762,788	$1,659,253	0.61%	Long	ABS-MBS
United States Treasury	91282CCB5	1,858,900	$1,649,193	0.60%	Long	DBT
Cross Mortgage Trust	22757JAC1	1,626,296	$1,609,576	0.59%	Long	ABS-MBS
Fannie Mae	3138WLBN2	1,704,006	$1,577,336	0.58%	Long	ABS-MBS
Fannie Mae	3140X5VH3	1,650,475	$1,565,847	0.57%	Long	ABS-MBS
United States Treasury	91282CPQ8	1,603,400	$1,565,695	0.57%	Long	DBT
Onslow Bay Financial LLC	67126GAC6	1,567,086	$1,553,552	0.57%	Long	ABS-MBS
FHLMC Multifamily Structured Pass Through Certs.	3137FNX54	1,565,639	$1,480,295	0.54%	Long	ABS-MBS
GS Mortgage Securities Trust	36261PAT9	1,539,882	$1,456,854	0.53%	Long	ABS-MBS
CROWDSTRIKE HOLDINGS INC	22788CAA3	1,282,000	$1,222,656	0.45%	Long	DBT
PRKCM Trust	69392YAC0	1,191,560	$1,182,561	0.43%	Long	ABS-MBS
Verus Securitization Trust	92490EAA1	1,171,215	$1,161,234	0.43%	Long	ABS-MBS
A&D Mortgage Trust	002941AA0	1,147,376	$1,139,735	0.42%	Long	ABS-MBS
Angel Oak Mortgage Trust	034940AA4	1,123,698	$1,113,514	0.41%	Long	ABS-MBS
Towd Point Mortgage Trust	89170UAA8	1,124,425	$1,112,606	0.41%	Long	ABS-MBS
Fannie Mae	3140X6AQ4	1,255,685	$1,108,606	0.41%	Long	ABS-MBS
Woodward Capital Management	749423AA7	1,113,125	$1,103,836	0.40%	Long	ABS-MBS

Showing the top 50 of 1,190 holdings. Create a free account to see every holding and download the CSV.