# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0000350894-25-000106
Filing Date
2025-08-19
Accepted
2025-08-19 16:09:52
Documents
140
Period of Report
2025-08-18
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 8-K | seic-20250818.htm iXBRL | 8-K | 30542
2 | CREDIT AGREEMENT | ex101usbank-seiinvestmen.htm | EX-10.1 | 520307
6 | GRAPHIC | ex101usbank-seiinvestmen001.jpg | GRAPHIC | 85420
7 | GRAPHIC | ex101usbank-seiinvestmen002.jpg | GRAPHIC | 224880
8 | GRAPHIC | ex101usbank-seiinvestmen003.jpg | GRAPHIC | 224732
9 | GRAPHIC | ex101usbank-seiinvestmen004.jpg | GRAPHIC | 221670
10 | GRAPHIC | ex101usbank-seiinvestmen005.jpg | GRAPHIC | 163445
11 | GRAPHIC | ex101usbank-seiinvestmen006.jpg | GRAPHIC | 108389
12 | GRAPHIC | ex101usbank-seiinvestmen007.jpg | GRAPHIC | 246313
13 | GRAPHIC | ex101usbank-seiinvestmen008.jpg | GRAPHIC | 183843
14 | GRAPHIC | ex101usbank-seiinvestmen009.jpg | GRAPHIC | 278649
15 | GRAPHIC | ex101usbank-seiinvestmen010.jpg | GRAPHIC | 272171
16 | GRAPHIC | ex101usbank-seiinvestmen011.jpg | GRAPHIC | 264520
17 | GRAPHIC | ex101usbank-seiinvestmen012.jpg | GRAPHIC | 267042
18 | GRAPHIC | ex101usbank-seiinvestmen013.jpg | GRAPHIC | 264039
19 | GRAPHIC | ex101usbank-seiinvestmen014.jpg | GRAPHIC | 255139
20 | GRAPHIC | ex101usbank-seiinvestmen015.jpg | GRAPHIC | 182602
21 | GRAPHIC | ex101usbank-seiinvestmen016.jpg | GRAPHIC | 275071
22 | GRAPHIC | ex101usbank-seiinvestmen017.jpg | GRAPHIC | 350215
23 | GRAPHIC | ex101usbank-seiinvestmen018.jpg | GRAPHIC | 252480
24 | GRAPHIC | ex101usbank-seiinvestmen019.jpg | GRAPHIC | 279769
25 | GRAPHIC | ex101usbank-seiinvestmen020.jpg | GRAPHIC | 265933
26 | GRAPHIC | ex101usbank-seiinvestmen021.jpg | GRAPHIC | 263866
27 | GRAPHIC | ex101usbank-seiinvestmen022.jpg | GRAPHIC | 316019
28 | GRAPHIC | ex101usbank-seiinvestmen023.jpg | GRAPHIC | 251623
29 | GRAPHIC | ex101usbank-seiinvestmen024.jpg | GRAPHIC | 216944
30 | GRAPHIC | ex101usbank-seiinvestmen025.jpg | GRAPHIC | 240339
31 | GRAPHIC | ex101usbank-seiinvestmen026.jpg | GRAPHIC | 244481
32 | GRAPHIC | ex101usbank-seiinvestmen027.jpg | GRAPHIC | 243224
33 | GRAPHIC | ex101usbank-seiinvestmen028.jpg | GRAPHIC | 229161
34 | GRAPHIC | ex101usbank-seiinvestmen029.jpg | GRAPHIC | 241331
35 | GRAPHIC | ex101usbank-seiinvestmen030.jpg | GRAPHIC | 266369
36 | GRAPHIC | ex101usbank-seiinvestmen031.jpg | GRAPHIC | 264446
37 | GRAPHIC | ex101usbank-seiinvestmen032.jpg | GRAPHIC | 260790
38 | GRAPHIC | ex101usbank-seiinvestmen033.jpg | GRAPHIC | 268030
39 | GRAPHIC | ex101usbank-seiinvestmen034.jpg | GRAPHIC | 277163
40 | GRAPHIC | ex101usbank-seiinvestmen035.jpg | GRAPHIC | 262902
41 | GRAPHIC | ex101usbank-seiinvestmen036.jpg | GRAPHIC | 307614
42 | GRAPHIC | ex101usbank-seiinvestmen037.jpg | GRAPHIC | 306433
43 | GRAPHIC | ex101usbank-seiinvestmen038.jpg | GRAPHIC | 298456
44 | GRAPHIC | ex101usbank-seiinvestmen039.jpg | GRAPHIC | 298237
45 | GRAPHIC | ex101usbank-seiinvestmen040.jpg | GRAPHIC | 300928
46 | GRAPHIC | ex101usbank-seiinvestmen041.jpg | GRAPHIC | 320740
47 | GRAPHIC | ex101usbank-seiinvestmen042.jpg | GRAPHIC | 294682
48 | GRAPHIC | ex101usbank-seiinvestmen043.jpg | GRAPHIC | 297223
49 | GRAPHIC | ex101usbank-seiinvestmen044.jpg | GRAPHIC | 304908
50 | GRAPHIC | ex101usbank-seiinvestmen045.jpg | GRAPHIC | 351777
51 | GRAPHIC | ex101usbank-seiinvestmen046.jpg | GRAPHIC | 305460
52 | GRAPHIC | ex101usbank-seiinvestmen047.jpg | GRAPHIC | 330122
53 | GRAPHIC | ex101usbank-seiinvestmen048.jpg | GRAPHIC | 277973
54 | GRAPHIC | ex101usbank-seiinvestmen049.jpg | GRAPHIC | 320588
55 | GRAPHIC | ex101usbank-seiinvestmen050.jpg | GRAPHIC | 312559
56 | GRAPHIC | ex101usbank-seiinvestmen051.jpg | GRAPHIC | 323949
57 | GRAPHIC | ex101usbank-seiinvestmen052.jpg | GRAPHIC | 266610
58 | GRAPHIC | ex101usbank-seiinvestmen053.jpg | GRAPHIC | 338736
59 | GRAPHIC | ex101usbank-seiinvestmen054.jpg | GRAPHIC | 310467
60 | GRAPHIC | ex101usbank-seiinvestmen055.jpg | GRAPHIC | 299912
61 | GRAPHIC | ex101usbank-seiinvestmen056.jpg | GRAPHIC | 312926
62 | GRAPHIC | ex101usbank-seiinvestmen057.jpg | GRAPHIC | 332433
63 | GRAPHIC | ex101usbank-seiinvestmen058.jpg | GRAPHIC | 291504
64 | GRAPHIC | ex101usbank-seiinvestmen059.jpg | GRAPHIC | 286435
65 | GRAPHIC | ex101usbank-seiinvestmen060.jpg | GRAPHIC | 313158
66 | GRAPHIC | ex101usbank-seiinvestmen061.jpg | GRAPHIC | 298321
67 | GRAPHIC | ex101usbank-seiinvestmen062.jpg | GRAPHIC | 261269
68 | GRAPHIC | ex101usbank-seiinvestmen063.jpg | GRAPHIC | 298800
69 | GRAPHIC | ex101usbank-seiinvestmen064.jpg | GRAPHIC | 276634
70 | GRAPHIC | ex101usbank-seiinvestmen065.jpg | GRAPHIC | 271601
71 | GRAPHIC | ex101usbank-seiinvestmen066.jpg | GRAPHIC | 305839
72 | GRAPHIC | ex101usbank-seiinvestmen067.jpg | GRAPHIC | 268615
73 | GRAPHIC | ex101usbank-seiinvestmen068.jpg | GRAPHIC | 314065
74 | GRAPHIC | ex101usbank-seiinvestmen069.jpg | GRAPHIC | 269418
75 | GRAPHIC | ex101usbank-seiinvestmen070.jpg | GRAPHIC | 237739
76 | GRAPHIC | ex101usbank-seiinvestmen071.jpg | GRAPHIC | 199372
77 | GRAPHIC | ex101usbank-seiinvestmen072.jpg | GRAPHIC | 258704
78 | GRAPHIC | ex101usbank-seiinvestmen073.jpg | GRAPHIC | 322499
79 | GRAPHIC | ex101usbank-seiinvestmen074.jpg | GRAPHIC | 290362
80 | GRAPHIC | ex101usbank-seiinvestmen075.jpg | GRAPHIC | 282094
81 | GRAPHIC | ex101usbank-seiinvestmen076.jpg | GRAPHIC | 307322
82 | GRAPHIC | ex101usbank-seiinvestmen077.jpg | GRAPHIC | 285897
83 | GRAPHIC | ex101usbank-seiinvestmen078.jpg | GRAPHIC | 304382
84 | GRAPHIC | ex101usbank-seiinvestmen079.jpg | GRAPHIC | 278560
85 | GRAPHIC | ex101usbank-seiinvestmen080.jpg | GRAPHIC | 276808
86 | GRAPHIC | ex101usbank-seiinvestmen081.jpg | GRAPHIC | 295536
87 | GRAPHIC | ex101usbank-seiinvestmen082.jpg | GRAPHIC | 268043
88 | GRAPHIC | ex101usbank-seiinvestmen083.jpg | GRAPHIC | 297118
89 | GRAPHIC | ex101usbank-seiinvestmen084.jpg | GRAPHIC | 273537
90 | GRAPHIC | ex101usbank-seiinvestmen085.jpg | GRAPHIC | 247941
91 | GRAPHIC | ex101usbank-seiinvestmen086.jpg | GRAPHIC | 236996
92 | GRAPHIC | ex101usbank-seiinvestmen087.jpg | GRAPHIC | 262539
93 | GRAPHIC | ex101usbank-seiinvestmen088.jpg | GRAPHIC | 276492
94 | GRAPHIC | ex101usbank-seiinvestmen089.jpg | GRAPHIC | 228023
95 | GRAPHIC | ex101usbank-seiinvestmen090.jpg | GRAPHIC | 196124
96 | GRAPHIC | ex101usbank-seiinvestmen091.jpg | GRAPHIC | 289521
97 | GRAPHIC | ex101usbank-seiinvestmen092.jpg | GRAPHIC | 303030
98 | GRAPHIC | ex101usbank-seiinvestmen093.jpg | GRAPHIC | 316848
99 | GRAPHIC | ex101usbank-seiinvestmen094.jpg | GRAPHIC | 277816
100 | GRAPHIC | ex101usbank-seiinvestmen095.jpg | GRAPHIC | 256680
101 | GRAPHIC | ex101usbank-seiinvestmen096.jpg | GRAPHIC | 304281
102 | GRAPHIC | ex101usbank-seiinvestmen097.jpg | GRAPHIC | 328393
103 | GRAPHIC | ex101usbank-seiinvestmen098.jpg | GRAPHIC | 340191
104 | GRAPHIC | ex101usbank-seiinvestmen099.jpg | GRAPHIC | 290517
105 | GRAPHIC | ex101usbank-seiinvestmen100.jpg | GRAPHIC | 304496
106 | GRAPHIC | ex101usbank-seiinvestmen101.jpg | GRAPHIC | 242086
107 | GRAPHIC | ex101usbank-seiinvestmen102.jpg | GRAPHIC | 199587
108 | GRAPHIC | ex101usbank-seiinvestmen103.jpg | GRAPHIC | 288353
109 | GRAPHIC | ex101usbank-seiinvestmen104.jpg | GRAPHIC | 238299
110 | GRAPHIC | ex101usbank-seiinvestmen105.jpg | GRAPHIC | 321684
111 | GRAPHIC | ex101usbank-seiinvestmen106.jpg | GRAPHIC | 351624
112 | GRAPHIC | ex101usbank-seiinvestmen107.jpg | GRAPHIC | 301850
113 | GRAPHIC | ex101usbank-seiinvestmen108.jpg | GRAPHIC | 299967
114 | GRAPHIC | ex101usbank-seiinvestmen109.jpg | GRAPHIC | 288573
115 | GRAPHIC | ex101usbank-seiinvestmen110.jpg | GRAPHIC | 262521
116 | GRAPHIC | ex101usbank-seiinvestmen111.jpg | GRAPHIC | 322580
117 | GRAPHIC | ex101usbank-seiinvestmen112.jpg | GRAPHIC | 331491
118 | GRAPHIC | ex101usbank-seiinvestmen113.jpg | GRAPHIC | 365450
119 | GRAPHIC | ex101usbank-seiinvestmen114.jpg | GRAPHIC | 275254
120 | GRAPHIC | ex101usbank-seiinvestmen115.jpg | GRAPHIC | 335499
121 | GRAPHIC | ex101usbank-seiinvestmen116.jpg | GRAPHIC | 319457
122 | GRAPHIC | ex101usbank-seiinvestmen117.jpg | GRAPHIC | 270996
123 | GRAPHIC | ex101usbank-seiinvestmen118.jpg | GRAPHIC | 162117
124 | GRAPHIC | ex101usbank-seiinvestmen119.jpg | GRAPHIC | 49140
125 | GRAPHIC | ex101usbank-seiinvestmen120.jpg | GRAPHIC | 42731
126 | GRAPHIC | ex101usbank-seiinvestmen121.jpg | GRAPHIC | 39795
127 | GRAPHIC | ex101usbank-seiinvestmen122.jpg | GRAPHIC | 33939
128 | GRAPHIC | ex101usbank-seiinvestmen123.jpg | GRAPHIC | 36935
129 | GRAPHIC | ex101usbank-seiinvestmen124.jpg | GRAPHIC | 33910
130 | GRAPHIC | ex101usbank-seiinvestmen125.jpg | GRAPHIC | 35133
131 | GRAPHIC | ex101usbank-seiinvestmen126.jpg | GRAPHIC | 34948
132 | GRAPHIC | seic-20250818_g1.jpg | GRAPHIC | 25422
| Complete submission text file | 0000350894-25-000106.txt |  | 46224078

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
3 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | seic-20250818.xsd | EX-101.SCH | 1773
4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | seic-20250818_lab.xml | EX-101.LAB | 21885
5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | seic-20250818_pre.xml | EX-101.PRE | 12502
142 | EXTRACTED XBRL INSTANCE DOCUMENT | seic-20250818_htm.xml | XML | 2809

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: 8-K | Act: 34 | File No.: 000-10200 | Film No.: 251231869
SIC: 6211 Security Brokers, Dealers & Flotation Companies
(CF Office: 09 Crypto Assets)