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Citadel Investment Advisory, Inc.

Position in SEIC — Sei Investments Co

CIK 1811907 CHESTERLAND, OH

Position in SEIC

as of Jun 30, 2026 · filed Jul 23, 2026
Position Value
$341,191
+$35,943 QoQ
Shares Held
3,890
0.0% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#344
of 569 holders
Holding Since
Dec 2020
23 quarters on record

Common Shares in SEIC Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

Citadel Investment Advisory, Inc. holds $2,524,547 across 2 Asset Management names. SEIC ranks #2 (13.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 SEIC
Sei Investments Co
This page
3,890 $341,191

All Filings in SEIC

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $341,191 3,890
2026-03-31 $305,248 3,890
2025-12-31 $323,158 3,940
2025-09-30 $334,309 3,940
2025-06-30 $354,048 3,940
2025-03-31 $305,862 3,940
2024-12-31 $324,971 3,940
2024-09-30 $272,608 3,940
2024-06-30 $258,760 4,000
2024-03-31 $287,600 4,000
2023-12-31 $273,265 4,300
2023-09-30 $263,506 4,375
2023-06-30 $260,837 4,375
2023-03-31 $251,781 4,375
2022-12-31 $256,228 4,395
2022-09-30 $219,253 4,470
2022-06-30 $242,009 4,480
2022-03-31 $266,128 4,420
2021-12-31 $269,354 4,420
2021-09-30 $262,106 4,420
2021-06-30 $273,907 4,420
2021-03-31 $269,310 4,420
2020-12-31 $261,488 4,550