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SEI INVESTMENTS CO

Position in BLK — BlackRock, Inc.

CIK 350894 OAKS, PA

Position in BLK

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$43,356,771
-$5,260,212 QoQ
Shares Held
45,083
-0.7% QoQ
Ownership
0.014%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in BLK Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Mar 31, 2026

SEI INVESTMENTS CO holds $882,574,376 across 47 Asset Management names. BLK ranks #5 (4.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 BLK
BlackRock, Inc.
This page
45,083 $43,356,771

All Filings in BLK

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6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $43,356,771 45,083
2025-12-31 $48,616,983 45,422
2025-09-30 $50,934,527 43,688
2025-06-30 $45,081,026 42,965
2025-03-31 $47,081,700 49,744
2024-12-31 $48,293,956 47,111