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Filers›Family Office›SEI INVESTMENTS CO
DOSSIER · 13F-HR · Q1 2026

SEI INVESTMENTS CO

SEI INVESTMENTS's family office based in New York, NY — $108.4B in tracked AUM across 6,108 positions as of Q1 2026.

SI
SEI INVESTMENTS·New York, NY·Family Office
CIK 0000350894 · last filed Mar 31, 2026
Total AUM
$108.4B
▼ 20.0%
vs prior
Holdings
6,108
—
positions
Whale Score
65
65
tracked
Activity
—
no data
changes this Q
Top sector
Tech
4% weight
concentration
AI Analysis · Q1 2026 · 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

Filing history loading…
AI Agent · grounded in SEI
haiku-4-5 · 6,108 positions indexed
Sector mix
  • Tech4%
  • Financials18%
  • Communications12%
  • Industrials23%
  • Energy49%
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