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DIMENSIONAL FUND ADVISORS LP

Position in SEIC — Sei Investments Co

CIK 354204 AUSTIN, TX

Position in SEIC

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$172,153,853
+$25,164,008 QoQ
Shares Held
1,962,762
+4.8% QoQ
Ownership
1.64%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#12
of 569 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 88% Shared 8% None 4%

Common Shares in SEIC Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

DIMENSIONAL FUND ADVISORS LP holds $6,497,436,121 across 43 Asset Management names. SEIC ranks #15 (2.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SEIC

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $172,153,853 1,962,762
2026-03-31 $146,989,845 1,873,198
2025-12-31 $151,994,868 1,853,144
2025-09-30 $158,079,960 1,863,052
2025-06-30 $164,542,552 1,831,099
2025-03-31 $134,494,826 1,732,511
2024-12-31 $133,736,864 1,621,446
2024-09-30 $113,180,377 1,635,791
2024-06-30 $89,292,316 1,380,311
2024-03-31 $83,237,190 1,157,680
2023-12-31 $74,029,519 1,164,902
2023-09-30 $70,937,145 1,177,771
2023-06-30 $70,478,350 1,182,126
2023-03-31 $67,783,193 1,177,814
2022-12-31 $68,440,756 1,173,941
2022-09-30 $56,714,353 1,156,256
2022-06-30 $61,262,838 1,134,077
2022-03-31 $65,998,529 1,096,139
2021-12-31 $66,040,190 1,083,692
2021-09-30 $63,970,705 1,078,764
2021-06-30 $66,378,421 1,071,138
2021-03-31 $63,703,411 1,045,518
2020-12-31 $59,188,353 1,029,900
2020-09-30 $51,300,591 1,011,447
2020-06-30 $54,439,491 990,169
2020-03-31 $43,796,721 945,117