SEI INVESTMENTS CO - Common Stock (SEIC)

Historical Holders from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
SEIC on Nasdaq
Shares outstanding
123,638,046
Price per share
$82.02
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
88,294,018
Holdings value
$7,491,044,192
% of all portfolios
0.01%
Share change
-1,649,303
Value change
-$154,617,325
Average buys %
+0%
Average sells %
-0%
Number of holders
539
Price from insider filings
$82.02
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of SEI INVESTMENTS CO - Common Stock (SEIC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
LOOMIS SAYLES & CO L P 7.3% +1.7% $761,623,962 +$7,581,772 8,976,122 +1% Loomis, Sayles & Co., L.P. 30 Sep 2025
BlackRock, Inc. 6.8% $668,354,477 8,492,433 BlackRock, Inc. 30 Jun 2025
As of 30 Sep 2025, SEI INVESTMENTS CO - Common Stock (SEIC) has 539 institutional shareholders filing 13F forms. They hold 88,294,018 shares of 123,638,046 outstanding shares (71%) .

Top 25 institutional shareholders own 54% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 9.1% 11,260,591 +0.28% 0.01% $955,461,146
BlackRock, Inc. 7.5% 9,262,602 +0.66% 0.01% $785,931,795
LOOMIS SAYLES & CO L P 7.3% 8,976,049 +1.5% 0.91% $761,617,768
MORGAN STANLEY 4.5% 5,593,742 -0.72% 0.03% $474,629,408
STATE STREET CORP 3.7% 4,536,582 -4.4% 0.01% $384,928,983
BANK OF AMERICA CORP /DE/ 2.5% 3,121,067 -1.3% 0.02% $264,822,501
GEODE CAPITAL MANAGEMENT, LLC 2.3% 2,784,343 +8.1% 0.02% $236,275,505
Beutel, Goodman & Co Ltd. 1.6% 2,022,950 -22% 1% $171,647,000
DIMENSIONAL FUND ADVISORS LP 1.5% 1,863,052 +1.7% 0.03% $158,084,085
Invesco Ltd. 1.4% 1,731,523 +4.1% 0.02% $146,919,728
FIRST TRUST ADVISORS LP 1.4% 1,725,019 -0.13% 0.11% $146,367,879
LORD, ABBETT & CO. LLC 1.3% 1,608,382 +8.5% 0.41% $136,471,000
FMR LLC 1.1% 1,349,630 +61% 0.01% $114,516,093
Caisse de depot et placement du Quebec 1.1% 1,343,757 +31% 0.21% $114,017,778
Boston Trust Walden Corp 0.89% 1,105,409 -19% 0.69% $93,793,925
Bank of New York Mellon Corp 0.82% 1,013,911 -0.63% 0.02% $86,030,293
ROYAL BANK OF CANADA 0.77% 951,082 -15% 0.01% $80,699,000
NORTHERN TRUST CORP 0.75% 922,620 +0.89% 0.01% $78,284,307
ROYCE & ASSOCIATES LP 0.73% 903,583 -26% 0.76% $76,669,018
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC 0.71% 883,753 +2.6% 0.02% $74,986,442
AMERIPRISE FINANCIAL INC 0.66% 815,694 +37% 0.02% $69,206,312
Qube Research & Technologies Ltd 0.62% 766,775 +83% 0.09% $65,060,859
Prana Capital Management, LP 0.58% 711,311 +61% 2% $60,354,738
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.54% 662,458 -0.62% 0.01% $56,209,561
MILLENNIUM MANAGEMENT LLC 0.53% 655,689 +13% 0.04% $55,635,212

Institutional Holders of SEI INVESTMENTS CO - Common Stock (SEIC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 204,938 $16,972,105 +$188,102 $82.02 15
2025 Q3 88,294,018 $7,491,044,192 -$154,617,325 $84.85 539
2025 Q2 89,996,791 $8,086,749,486 -$241,304,450 $89.86 560
2025 Q1 92,686,904 $7,190,680,697 +$135,771,117 $77.63 538
2024 Q4 90,742,447 $7,484,901,115 -$75,913,373 $82.48 531
2024 Q3 91,182,590 $6,310,756,118 -$107,599,122 $69.19 490
2024 Q2 92,774,630 $6,001,563,299 -$51,016,244 $64.69 484
2024 Q1 93,632,978 $6,727,137,356 +$83,803,062 $71.90 468
2023 Q4 136,441 $8,670,359 -$4,028,075 $63.55 8
2023 Q3 92,585,133 $5,575,502,483 +$44,448,681 $60.23 447
2023 Q2 90,036,541 $5,366,729,522 -$26,427,920 $59.62 440
2023 Q1 84,458,276 $4,859,432,065 -$4,376,445 $57.55 424
2022 Q4 84,580,298 $4,936,070,400 -$9,676,002 $58.30 428
2022 Q3 93,045,551 $4,565,798,483 -$78,352,656 $49.05 410
2022 Q2 94,411,955 $5,084,656,529 -$54,656,434 $54.02 434
2022 Q1 95,954,022 $5,783,675,629 -$72,274,898 $60.21 441
2021 Q4 97,400,179 $5,937,798,689 +$30,179,589 $60.94 461
2021 Q3 96,142,866 $5,701,929,629 -$53,298,338 $59.30 434
2021 Q2 97,340,115 $6,031,256,355 -$28,421,921 $61.97 428
2021 Q1 97,830,973 $5,959,754,191 +$19,352,767 $60.93 429
2020 Q4 97,617,496 $5,609,730,636 -$89,203,845 $57.47 426
2020 Q3 101,181,631 $5,128,406,894 -$237,955,680 $50.72 413
2020 Q2 104,230,759 $5,727,307,517 -$293,718,606 $54.98 412
2020 Q1 108,643,906 $5,036,575,822 -$79,291,355 $46.34 400
2019 Q4 111,140,679 $7,274,948,124 +$458,885,540 $65.48 427
2019 Q3 103,882,881 $6,154,488,293 -$90,178,427 $59.25 409
2019 Q2 103,456,019 $5,803,658,878 +$102,919,468 $56.10 399
2019 Q1 105,456,999 $5,510,075,272 -$32,559,664 $52.25 404
2018 Q4 105,316,882 $4,865,102,292 -$143,079,648 $46.20 392
2018 Q3 109,255,596 $6,670,648,983 -$9,184,450 $61.10 410
2018 Q2 109,809,943 $6,862,454,003 -$74,022,386 $62.52 423
2018 Q1 112,347,136 $8,411,630,747 +$110,661,544 $74.91 420
2017 Q4 111,044,783 $7,977,772,578 -$106,508,379 $71.86 413
2017 Q3 106,302,840 $6,491,346,914 +$65,628,226 $61.06 356
2017 Q2 110,046,287 $5,918,333,121 -$70,967,347 $53.78 361
2017 Q1 111,482,920 $5,623,128,378 +$495,024,187 $50.44 350
2016 Q4 112,140,340 $5,535,104,607 -$67,539,634 $49.36 348
2016 Q3 111,225,395 $5,069,309,075 -$63,175,819 $45.61 346
2016 Q2 114,378,090 $5,502,482,574 +$27,072,928 $48.11 351
2016 Q1 115,158,417 $4,959,836,302 -$11,758,470 $43.05 346
2015 Q4 113,657,662 $5,955,486,064 +$86,856,300 $52.40 355
2015 Q3 112,102,944 $5,406,362,338 +$20,233,306 $48.23 347
2015 Q2 112,970,007 $5,538,878,097 +$38,941,729 $49.03 324
2015 Q1 113,744,743 $5,012,993,299 +$11,922,811 $44.09 317
2014 Q4 113,243,637 $4,534,604,757 +$6,184,073 $40.04 318
2014 Q3 112,101,831 $4,053,602,558 +$18,270,240 $36.16 313
2014 Q2 112,791,218 $3,696,102,406 +$36,112,759 $32.77 300
2014 Q1 111,676,489 $3,751,950,298 -$1,023,430 $33.61 296