SMXAX
SIIT EXTENDED MARKET INDEX FUND
SEI INSTITUTIONAL INVESTMENTS TRUST
Index fund

Portfolio concentration

As of February 28, 2026 · N-PORT
Holdings
2293
Top-10 weight
9.53%
Effective holdings ?
457
Crowding ?
446.9

Holdings

As of February 28, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 SEI DAILY INCOME TRUST GOVERNMENT FUND (#36) 15,724,287 $15.72M 1.26%
2 VERTIV HOLDINGS CO 58,800 $14.99M 1.20%
3 Spotify Technology SA 23,763 $12.24M 0.98%
4 MARVELL TECHNOLOGY INC 133,612 $10.91M 0.88%
5 Anglogold Ashanti Plc 77,700 $9.93M 0.80%
6 SNOWFLAKE INC CL A 50,700 $8.54M 0.69%
7 CLOUDFLARE INC-A 48,400 $8.33M 0.67%
8 US ULTRA BOND CBT Sep25 62 $8.17M 0.66%
9 CHENIERE ENERGY INC 32,965 $7.77M 0.62%
10 NU Holdings Ltd/Cayman Islands 516,300 $7.73M 0.62%
11 FERGUSON ENTERPRISES INC 29,500 $7.69M 0.62%
12 LUMENTUM HOLDINGS INC 10,870 $7.62M 0.61%
13 ROBLOX CORP - A 95,700 $6.57M 0.53%
14 ALNYLAM PHARMACEUTICALS INC 19,549 $6.51M 0.52%
15 COHERENT CORP 23,901 $6.19M 0.50%
16 SEI DAILY INCOME TRUST GOVERNMENT FUND (#36) 6,120,977 $6.12M 0.49%
17 STRATEGY INC CL A 41,370 $5.36M 0.43%
18 BLOOM ENERGY CORP- A COMMON STOCK 33,400 $5.20M 0.42%
19 INSMED INC 32,200 $4.81M 0.39%
20 FTAI AVIATION LT 15,700 $4.80M 0.39%
21 ROCKET LAB CORP 63,700 $4.40M 0.35%
22 NATERA INC 19,900 $4.14M 0.33%
23 TECHNIPFMC PLC 62,400 $4.14M 0.33%
24 VEEVA SYSTEMS-A 22,733 $4.14M 0.33%
25 MONGODB INC CL A 12,160 $3.99M 0.32%
26 CURTISS WRIGHT CORPORATION 5,698 $3.99M 0.32%
27 MARKEL GROUP INC 1,913 $3.96M 0.32%
28 CASEY'S GENERAL 5,659 $3.88M 0.31%
29 COUPANG INC A 201,200 $3.84M 0.31%
30 XPO LOGISTICS INC 17,890 $3.77M 0.30%
31 ROYAL GOLD INC 12,502 $3.75M 0.30%
32 LPL FINL HLDGS INC 12,243 $3.68M 0.30%
33 WOODWARD INC 9,242 $3.57M 0.29%
34 FLEX LTD 56,500 $3.56M 0.29%
35 RESTAURANT BRANDS INTERNATIONAL INC 49,600 $3.56M 0.29%
36 ATI INC 20,500 $3.35M 0.27%
37 US FOODS HOLDING CORP 34,600 $3.34M 0.27%
38 SOFI TECHNOLOGIES INC A 186,653 $3.31M 0.27%
39 UNITED THERAPEUTICS CORP DEL 6,504 $3.28M 0.26%
40 TENET HEALTHCARE CORP 13,600 $3.26M 0.26%
41 ILLUMINA INC 23,600 $3.17M 0.25%
42 ENTEGRIS INC 23,430 $3.10M 0.25%
43 PURE STORAGE INC CL A 47,600 $3.06M 0.25%
44 FABRINET 5,575 $3.04M 0.24%
45 ZOOM VIDEO COMMUNICATIONS INC CL A 40,921 $3.03M 0.24%
46 EXACT SCIENCES CORP 29,026 $3.00M 0.24%
47 CARPENTER TECHNOLOGY CORP 7,501 $2.99M 0.24%
48 BURLINGTON STORES INC 9,600 $2.95M 0.24%
49 LIBERTY MEDIA CORP LIBERTY FORMULA ONE CL C 32,142 $2.94M 0.24%
50 BWX TECHNOLOGIES INC 14,224 $2.93M 0.24%
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