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Banco Santander, S.A.

Position in SEIC — Sei Investments Co

CIK 891478 Madrid, U3

Position in SEIC

as of Jun 30, 2026 · filed Jul 29, 2026
Position Value
$5,223,042
+$1,491,872 QoQ
Shares Held
59,549
+25.2% QoQ
Ownership
0.050%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#122
of 569 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SEIC Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

Banco Santander, S.A. holds $12,010,395 across 8 Asset Management names. SEIC ranks #1 (43.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 SEIC
Sei Investments Co
This page
59,549 $5,223,042

All Filings in SEIC

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,223,042 59,549
2026-03-31 $3,731,170 47,549
2025-12-31 $3,899,968 47,549
2025-09-30 $5,423,611 63,920
2025-06-30 $5,743,851 63,920
2025-03-31 $8,342,662 107,467
2024-12-31 $3,428,693 41,570
2024-09-30 $2,926,737 42,300
2024-06-30 $2,904,581 44,900
2024-03-31 $3,390,804 47,160
2023-12-31 $3,603,285 56,700
2023-09-30 $3,783,648 62,820
2023-06-30 $3,915,841 65,680
2023-03-31 $4,709,892 81,840
2022-12-31 $5,424,815 93,050
2022-09-30 $4,984,803 101,627
2022-06-30 $5,544,072 102,630
2022-03-31 $6,179,352 102,630
2021-12-31 $5,063,504 83,090
2021-09-30 $4,571,437 77,090
2021-06-30 $4,777,267 77,090
2021-03-31 $3,963,496 65,050
2020-12-31 $3,079,817 53,590
2020-09-30 $2,310,803 45,560
2020-06-30 $2,104,084 38,270
2020-03-31 $1,632,094 35,220