SEI Investments Company
MX ˙ BMV ˙ US7841171033
SecurityMX:SEIC / SEI Investments Company
InstitutionUs Bancorp \de\
Latest Disclosed Ownership39,926 shares
Latest Disclosed Value $ 3,133,464
Us Bancorp \de\ reports 4.06% increase in ownership of SEIC / SEI Investments Company

On May 14, 2026 - Us Bancorp \de\ filed a 13F-HR form disclosing ownership of 39,926 shares of SEI Investments Company (MX:SEIC) valued at $3,133,464 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 30, 2026 disclosing 38,368 shares of SEI Investments Company. This represents a change in shares of 4.06% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F SEI INVTS COM 784117103 39,926 1,558 4.06 3,133 -0.44 0.0012
2026-01-30 2025-12-31 13F SEI INVTS COM 784117103 38,368 -63 -0.16 3,147 -3.50 0.0037
2025-11-12 2025-09-30 13F SEI INVTS COM 784117103 38,431 227 0.59 3,261 -5.01 0.0039
2025-07-24 2025-06-30 13F SEI INVTS COM 784117103 38,204 1,433 3.90 3,433 20.29 0.0043
2025-05-08 2025-03-31 13F SEI INVTS COM 784117103 36,771 262 0.72 2,855 -5.21 0.0038
2025-02-05 2024-12-31 13F SEI INVTS COM 784117103 36,509 235 0.65 3,011 20.01 0.0039
2024-10-28 2024-09-30 13F SEI INVTS COM 784117103 36,274 -148 -0.41 2,510 6.49 0.0032
2024-08-07 2024-06-30 13F SEI INVTS COM 784117103 36,422 244 0.67 2,356 -9.42 0.0032
2024-05-08 2024-03-31 13F SEI INVTS COM 784117103 36,178 -459 -1.25 2,601 11.73 0.0036
2024-02-09 2023-12-31 13F SEI INVTS COM 784117103 36,637 743 2.07 2,328 7.73 0.0034
2023-11-03 2023-09-30 13F SEI INVTS COM 784117103 35,894 34,168 1,979.61 2,162 2,018.63 0.0035
2023-08-10 2023-06-30 13F SEI INVTS COM 784117103 1,726 -513 -22.91 103 -20.31 0.0002
2023-05-09 2023-03-31 13F S E I INVESTMENTS COMMON STOCK 784117103 2,239 336 17.66 129 16.36 0.0002
2023-02-13 2022-12-31 13F S E I INVESTMENTS COMMON STOCK 784117103 1,903 -606 -24.15 111 -10.57 0.0002
2022-10-27 2022-09-30 13F S E I INVESTMENTS COMMON STOCK 784117103 2,509 -83 -3.20 123 -12.77 0.0003
2022-08-01 2022-06-30 13F S E I INVESTMENTS COMMON STOCK 784117103 2,592 641 32.85 141 20.51 0.0003
2022-05-11 2022-03-31 13F S E I INVESTMENTS COMMON STOCK 784117103 1,951 -133 -6.38 117 -7.87 0.0002
2022-02-11 2021-12-31 13F SEI INVESTMENTS COMMON STOCK 784117103 2,084 24 1.17 127 4.10 0.0002
2021-11-10 2021-09-30 13F S E I INVESTMENTS COMMON STOCK 784117103 2,060 30 1.48 122 -2.40 0.0002
2021-08-05 2021-06-30 13F S E I INVESTMENTS COMMON STOCK 784117103 2,030 -45 -2.17 125 -0.79 0.0002
2021-04-28 2021-03-31 13F S E I INVESTMENTS COMMON STOCK 784117103 2,075 -613 -22.81 126 -18.18 0.0003
2021-02-04 2020-12-31 13F SEI INVESTMENTS COMMON STOCK 784117103 2,688 480 21.74 154 37.50 0.0003
2020-11-10 2020-09-30 13F S E I INVESTMENTS COMMON STOCK 784117103 2,208 203 10.12 112 1.82 0.0003
2020-08-07 2020-06-30 13F S E I INVESTMENTS COMMON STOCK 784117103 2,005 -388 -16.21 110 -1.79 0.0003
2020-05-13 2020-03-31 13F S E I INVESTMENTS COMMON STOCK 784117103 2,393 -437 -15.44 112 -39.78 0.0003
2020-02-04 2019-12-31 13F SEI INVESTMENTS COMMON STOCK 784117103 2,830 50 1.80 186 13.41 0.0005
2019-11-08 2019-09-30 13F S E I INVESTMENTS COMMON STOCK 784117103 2,780 308 12.46 164 17.99 0.0004
2019-08-13 2019-06-30 13F S E I INVESTMENTS COMMON STOCK 784117103 2,472 -112 -4.33 139 3.73 0.0004
2019-05-08 2019-03-31 13F S E I INVESTMENTS COMMON STOCK 784117103 2,584 -2,290 -46.98 134 -40.44 0.0004
2019-02-13 2018-12-31 13F S E I INVESTMENTS COMMON STOCK 784117103 4,874 2,530 107.94 225 57.34 0.0007
2018-10-31 2018-09-30 13F S E I INVESTMENTS COMMON STOCK 784117103 2,344 0 0.00 143 -2.72 0.0004
2018-08-08 2018-06-30 13F S E I INVESTMENTS COMMON STOCK 784117103 2,344 -20,179 -89.59 147 -91.29 0.0005
2018-05-08 2018-03-31 13F S E I INVESTMENTS COMMON STOCK 784117103 22,523 370 1.67 1,687 5.97 0.0052
2018-02-02 2017-12-31 13F S E I INVESTMENTS COMMON STOCK 784117103 22,153 -166 -0.74 1,592 16.80 0.0049
2017-11-13 2017-09-30 13F S E I INVESTMENTS COMMON STOCK 784117103 22,319 37 0.17 1,363 13.77 0.0044
2017-07-19 2017-06-30 13F S E I INVESTMENTS COMMON STOCK 784117103 22,282 21,008 1,648.98 1,198 1,771.88 0.0040
2017-05-03 2017-03-31 13F S E I INVESTMENTS COMMON STOCK 784117103 1,274 -2,482 -66.08 64 -65.41 0.0002
2017-02-08 2016-12-31 13F S E I INVESTMENTS COMMON STOCK 784117103 3,756 0 0.00 185 8.19 0.0007
2016-11-04 2016-09-30 13F S E I INVESTMENTS COMMON STOCK 784117103 3,756 -84 -2.19 171 -7.57 0.0006
2016-08-10 2016-06-30 13F S E I INVESTMENTS COMMON STOCK 784117103 3,840 -263 -6.41 185 4.52 0.0007
2016-05-13 2016-03-31 13F S E I INVESTMENTS COMMON STOCK 784117103 4,103 -46 -1.11 177 -18.81 0.0007
2016-02-10 2015-12-31 13F S E I INVESTMENTS COMMON STOCK 784117103 4,149 -713 -14.66 218 -7.23 0.0009
2015-11-16 2015-09-30 13F S E I INVESTMENTS COMMON STOCK 784117103 4,862 -4,268 -46.75 235 -47.54 0.0010
2015-08-10 2015-06-30 13F S E I INVESTMENTS COMMON STOCK 784117103 9,130 -1,412 -13.39 448 -3.66 0.0017
2015-05-08 2015-03-31 13F S E I INVESTMENTS COMMON STOCK 784117103 10,542 -1,013 -8.77 465 0.43 0.0018
2015-02-13 2014-12-31 13F S E I INVESTMENTS COMMON STOCK 784117103 11,555 -923 -7.40 463 2.43 0.0018
2014-11-14 2014-09-30 13F S E I INVESTMENTS COMMON STOCK 784117103 12,478 7,083 131.29 452 156.82 0.0018
2014-08-14 2014-06-30 13F S E I INVESTMENTS COMMON STOCK 784117103 5,395 0 0.00 176 -3.30 0.0007
2014-05-14 2014-03-31 13F S E I INVESTMENTS COMMON STOCK 784117103 5,395 -160 -2.88 182 -5.70 0.0007
2014-02-13 2013-12-31 13F S E I INVESTMENTS COMMON STOCK 784117103 5,555 -300 -5.12 193 6.63 0.0008
2013-11-07 2013-09-30 13F S E I INVESTMENTS COMMON STOCK 784117103 5,855 527 9.89 181 19.87 0.0008
2013-08-09 2013-06-30 13F S E I INVESTMENTS COMMON STOCK 784117103 5,328 5,328 151 0.0007
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.