SEI Investments Company

Historical 13F Holders

Symbol
SEIC
CUSIP
784117103
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Shares Held, Excluding Options
Total Filers

13D/G Filers

Each filer's latest filing for 784117103 since 12/18/2024, largest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A 7.9% 10/27/2026
Event 9/30/2026
Loomis, Sayles & Co., L.P. 13G/A 7.0% 8/14/2026
Event 6/30/2026
Vanguard Portfolio Management LLC 13G 5.0% 4/29/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Vanguard Group Inc 13G/A 0% 3/27/2026
Event 3/13/2026

13F Holders by Quarter

Period Filers Shares, Excl. Options Value, Excl. Options
2026 Q3 310 13.7 M $1.40 B
2026 Q2 580 101 M $8.06 B
2026 Q1 575 90.0 M $7.06 B
2025 Q4 568 89.3 M $7.32 B
2025 Q3 556 89.0 M $7.55 B
2025 Q2 570 91.2 M $8.19 B
2025 Q1 554 93.7 M $7.27 B
2024 Q4 545 91.2 M $7.52 B
2024 Q3 504 92.2 M $6.38 B
2024 Q2 494 99.4 M $6.43 B
2024 Q1 478 107 M $7.65 B
2023 Q4 495 99.4 M $6.32 B
2023 Q3 463 93.6 M $5.63 B
2023 Q2 460 93.2 M $5.53 B
2023 Q1 447 93.4 M $5.38 B
2022 Q4 448 100 M $5.85 B
2022 Q3 436 94.5 M $4.64 B
2022 Q2 458 96.0 M $5.19 B
2022 Q1 467 96.7 M $5.82 B
2021 Q4 474 97.6 M $5.95 B
2021 Q3 450 96.7 M $5.73 B
2021 Q2 444 97.7 M $6.05 B
2021 Q1 446 98.1 M $5.98 B
2020 Q4 445 100 M $5.80 B
2020 Q3 431 102 M $5.16 B
2020 Q2 427 105 M $5.76 B
2020 Q1 420 111 M $5.13 B
2019 Q4 444 114 M $7.46 B
2019 Q3 422 105 M $6.20 B
2019 Q2 410 107 M $5.98 B
2019 Q1 417 107 M $5.58 B
2018 Q4 407 110 M $5.08 B
2018 Q3 418 114 M $6.93 B
2018 Q2 432 111 M $6.98 B
2018 Q1 431 113 M $8.47 B
2017 Q4 426 111 M $8.00 B
2017 Q3 364 113 M $6.87 B
2017 Q2 365 110 M $5.92 B
2017 Q1 361 112 M $5.66 B
2016 Q4 358 113 M $5.57 B
2016 Q3 357 114 M $5.18 B
2016 Q2 364 115 M $5.54 B
2016 Q1 356 117 M $4.96 B
2015 Q4 363 115 M $6.05 B
2015 Q3 352 113 M $5.47 B
2015 Q2 329 115 M $5.63 B
2015 Q1 322 114 M $5.03 B
2014 Q4 323 115 M $4.63 B
2014 Q3 317 114 M $4.11 B
2014 Q2 303 116 M $3.81 B
2014 Q1 299 112 M $3.76 B