# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000350894-20-000023
Filing Date
2020-04-23
Accepted
2020-04-23 15:53:11
Documents
52
Period of Report
2020-06-03
Effectiveness Date
2020-04-23

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEFINITIVE PROXY STATEMENT | a2020stylizedproxystatement.htm | DEF 14A | 46175
2 |  | sei2020proxyc001a01.jpg | GRAPHIC | 119750
3 |  | sei2020proxyc002a01.jpg | GRAPHIC | 91120
4 |  | seic2019proxystatementfi001.jpg | GRAPHIC | 121902
5 |  | seic2019proxystatementfi002.jpg | GRAPHIC | 105366
6 |  | seic2019proxystatementfi003.jpg | GRAPHIC | 151978
7 |  | seic2019proxystatementfi004.jpg | GRAPHIC | 95230
8 |  | seic2019proxystatementfi005.jpg | GRAPHIC | 253639
9 |  | seic2019proxystatementfi006.jpg | GRAPHIC | 237441
10 |  | seic2019proxystatementfi007.jpg | GRAPHIC | 217874
11 |  | seic2019proxystatementfi008.jpg | GRAPHIC | 128807
12 |  | seic2019proxystatementfi009.jpg | GRAPHIC | 191571
13 |  | seic2019proxystatementfi010.jpg | GRAPHIC | 151476
14 |  | seic2019proxystatementfi011.jpg | GRAPHIC | 149301
15 |  | seic2019proxystatementfi012.jpg | GRAPHIC | 173265
16 |  | seic2019proxystatementfi013.jpg | GRAPHIC | 267599
17 |  | seic2019proxystatementfi014.jpg | GRAPHIC | 270894
18 |  | seic2019proxystatementfi015.jpg | GRAPHIC | 164732
19 |  | seic2019proxystatementfi016.jpg | GRAPHIC | 127176
20 |  | seic2019proxystatementfi017.jpg | GRAPHIC | 164834
21 |  | seic2019proxystatementfi018.jpg | GRAPHIC | 199911
22 |  | seic2019proxystatementfi019.jpg | GRAPHIC | 192201
23 |  | seic2019proxystatementfi020.jpg | GRAPHIC | 126017
24 |  | seic2019proxystatementfi021.jpg | GRAPHIC | 179038
25 |  | seic2019proxystatementfi022.jpg | GRAPHIC | 225547
26 |  | seic2019proxystatementfi023.jpg | GRAPHIC | 266374
27 |  | seic2019proxystatementfi024.jpg | GRAPHIC | 258691
28 |  | seic2019proxystatementfi025.jpg | GRAPHIC | 257774
29 |  | seic2019proxystatementfi026.jpg | GRAPHIC | 267974
30 |  | seic2019proxystatementfi027.jpg | GRAPHIC | 283491
31 |  | seic2019proxystatementfi028.jpg | GRAPHIC | 263871
32 |  | seic2019proxystatementfi029.jpg | GRAPHIC | 224992
33 |  | seic2019proxystatementfi030.jpg | GRAPHIC | 231491
34 |  | seic2019proxystatementfi031.jpg | GRAPHIC | 162679
35 |  | seic2019proxystatementfi032.jpg | GRAPHIC | 165376
36 |  | seic2019proxystatementfi033.jpg | GRAPHIC | 121310
37 |  | seic2019proxystatementfi034.jpg | GRAPHIC | 167870
38 |  | seic2019proxystatementfi035.jpg | GRAPHIC | 148505
39 |  | seic2019proxystatementfi036.jpg | GRAPHIC | 226459
40 |  | seic2019proxystatementfi037.jpg | GRAPHIC | 258727
41 |  | seic2019proxystatementfi038.jpg | GRAPHIC | 155540
42 |  | seic2019proxystatementfi039.jpg | GRAPHIC | 160754
43 |  | seic2019proxystatementfi040.jpg | GRAPHIC | 217487
44 |  | seic2019proxystatementfi041.jpg | GRAPHIC | 262635
45 |  | seic2019proxystatementfi042.jpg | GRAPHIC | 266078
46 |  | seic2019proxystatementfi043.jpg | GRAPHIC | 244048
47 |  | seic2019proxystatementfi044.jpg | GRAPHIC | 167538
48 |  | seic2019proxystatementfi045.jpg | GRAPHIC | 208431
49 |  | seic2019proxystatementfi046.jpg | GRAPHIC | 220227
50 |  | seic2019proxystatementfi047.jpg | GRAPHIC | 128747
51 |  | seic2019proxystatementfi048.jpg | GRAPHIC | 49244
52 |  | seinwnaka36.jpg | GRAPHIC | 37183
| Complete submission text file | 0000350894-20-000023.txt |  | 13178043

Mailing Address 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100
Business Address 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 6106761000
SEI INVESTMENTS CO (Filer) CIK: 0000350894 (see all company filings)

EIN.: 231707341 | State of Incorp.: PA | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 000-10200 | Film No.: 20810933
SIC: 6211 Security Brokers, Dealers & Flotation Companies