DOSSIER · 13F-HR · Q1 2026

SEI INVESTMENTS CO

$108.4B in tracked AUM across 6,108 positions as of Q1 2026.

SI
CIK 0000350894 · last filed Mar 31, 2026
Total AUM
$108.4B
as of Q1 2026
Holdings
6,108
positions
Whale Score
63
63
tracked
Activity
no data
changes this Q
AI Analysis · Q1 2026

SEI Investments held $108.4B across a broad 6,108-position multi-manager book, led by NVIDIA (3.5%), Apple (2.6%), Microsoft (2.4%), Amazon and Alphabet, with ETF wrappers (VEA, SCHG) prominent in the top ten. Unlike most peers this quarter, SEI grew its book — from $101.3B to $108.4B — and was a net buyer, with 34 positions increased against just 10 trimmed. The largest adds were Apple (+$291M), Alphabet (+$258M) and NVIDIA (+$194M), with new positions opened in ASML, AMD, Booking and ExxonMobil. Microsoft (-$848M) was the notable trim. ETFs ($15.0B) form the single largest sector category.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
NVDA
NVIDIA CORPORATION
$3.8B21.7M3.5%
02
AAPL
APPLE INC
$2.9B11.3M2.6%
03
MSFT
MICROSOFT CORP
$2.6B7.0M2.4%
04
AMZN
AMAZON COM INC
$2.2B10.5M2.0%
05
GOOG
ALPHABET INC
$1.7B5.9M1.6%
06
VEA
VANGUARD TAX-MANAGED FDS
$1.6B24.7M1.5%
07
AVGO
BROADCOM INC
$1.6B5.1M1.4%
08
SCHG
SCHWAB STRATEGIC TR
$1.4B47.6M1.3%
09
BND
VANGUARD BD INDEX FDS
$1.4B18.6M1.3%
10
SCHV
SCHWAB STRATEGIC TR
$1.4B44.8M1.3%

Filing history

2026Q1Mar 31
$108.4B 7.0%
6,108 positionsView →
2025Q4Dec 31
$101.3B 8.9%
6,077 positionsView →
2025Q3Sep 30
$93.0B 7.8%
5,633 positionsView →
2025Q2Jun 30
$86.3B 11.0%
5,589 positionsLocked
2025Q1Mar 31
$77.7B 0.2%
5,482 positionsLocked
2024Q4Dec 31
$77.9B 1.1%
5,393 positionsLocked
2024Q3Sep 30
$77.0B 9.1%
5,342 positionsLocked
2024Q2Jun 30
$70.6B 3.4%
5,281 positionsLocked
2024Q1Mar 31
$68.2B 9.6%
5,159 positionsLocked
2023Q4Dec 31
$62.3B 11.9%
5,127 positionsLocked
2023Q3Sep 30
$55.7B 2.9%
5,162 positionsLocked
2023Q2Jun 30
$57.3B 6.5%
5,215 positionsLocked
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