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Mariner, LLC

Position in SEIC — Sei Investments Co

CIK 1373442 Overland Park, KS

Position in SEIC

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$910,487
+$108,660 QoQ
Shares Held
11,603
+18.7% QoQ
Ownership
0.010%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2022
15 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in SEIC Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

Mariner, LLC holds $1,160,071,100 across 185 Asset Management names.

# Ticker Company Shares Value (USD) Open

All Filings in SEIC

Export CSV
15 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $910,487 11,603
2025-12-31 $801,827 9,776
2025-09-30 $418,819 4,936
2025-06-30 $757,429 8,429
2025-03-31 $393,584 5,070
2024-12-31 $693,161 8,404
2024-09-30 $552,482 7,985
2024-06-30 $473,983 7,327
2024-03-31 $493,881 6,869
2023-12-31 $415,744 6,542
2023-09-30 $471,480 7,828
2023-06-30 $448,044 7,515
2023-03-31 $400,548 6,960
2022-12-31 $391,193 6,710
2022-09-30 $350,118 7,138