SEI INVESTMENTS CO

View all activity View 13F on SEC

Data as of Q4 2025

Institutional investor tracked via SEC 13F filings. Portfolio snapshot as of 2025-12-31.SEC EDGAR Source

Assets Under Management

$101.3B

Total Positions

3,118

New This Quarter

407

Filing Period

2025-12-31

Portfolio Allocation

Top holdings by portfolio weight

NVDA3.54%

MSFT3.39%

AAPL2.53%

AMZN2.17%

VEA1.58%

SCHG1.42%

AVGO1.41%

GOOG1.40%

SCHV1.34%

BND1.31%

Other11.31%

Position Outcomes

Best and worst performing positions by estimated return

Top Winners

TE6Q held

T1 ENERGY INC

Avg $1.09 · $226,490 est. P&L

Est. P&L

+496.33%

LITE29Q held

Lumentum Holdings Inc

Avg $70.42 · $17.6M est. P&L

Est. P&L

+427.13%

AGI29Q held

ALAMOS GOLD INC NEW C

Avg $7.68 · $9.4M est. P&L

Est. P&L

+409.15%

Top Losers

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View plans

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Top Holdings(Showing 25 of 3118 — sorted by value)

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Activity:

Stock	Shares	Value	Weight	Price Trend	Avg Buy	Est. P&L	Held	Conviction
NVDA NVIDIA Corp	19.2M	$3.6B	3.5%	—	$123.87	+51.40%	29 qtrs	Decreased 0
MSFT Microsoft Corp	7.1M	$3.4B	3.4%	—	$264.38	+84.39%	29 qtrs	Increased 62
AAPL Apple Inc	9.4M	$2.6B	2.5%	—	$176.78	+54.33%	29 qtrs	Increased 58
AMZN Amazon.com Inc	9.5M	$2.2B	2.2%	—	$137.94	+68.57%	29 qtrs	Increased 63
VEA VANGUARD TAX-MANAGED FDS	25.7M	$1.6B	1.6%	—	$33.06	+89.94%	29 qtrs	Decreased 0
SCHG SCHWAB STRATEGIC TR	44.2M	$1.4B	1.4%	—	$25.64	+28.25%	29 qtrs	Decreased 0
AVGO Broadcom Inc	4.1M	$1.4B	1.4%	—	$198.67	+76.10%	29 qtrs	Increased 60
GOOG Alphabet Inc	4.5M	$1.4B	1.4%	—	$187.55	+67.71%	29 qtrs	Increased 58
SCHV SCHWAB STRATEGIC TR	45.8M	$1.4B	1.3%	—	$24.57	+21.43%	29 qtrs	Increased 52
BND VANGUARD BD INDEX FDS	17.9M	$1.3B	1.3%	—	$69.95	+5.81%	29 qtrs	Increased 53
GOOGL Alphabet Inc	3.8M	$1.2B	1.2%	—	$121.31	+158.72%	29 qtrs	Increased 52
META Meta Platforms Inc	1.7M	$1.1B	1.1%	—	$316.23	+110.59%	29 qtrs	Decreased 0
IDEV ISHARES TR	12.1M	$1B	1.0%	—	$60.62	+36.75%	13 qtrs	Increased 47
SCHX SCHWAB STRATEGIC TR	31M	$833.5M	0.8%	—	$19.78	+37.09%	29 qtrs	Decreased 0
VTV VANGUARD INDEX FDS	3.8M	$719.2M	0.7%	—	$113.78	+69.07%	29 qtrs	Increased 46
VUG VANGUARD INDEX FDS	1.5M	$710.5M	0.7%	—	$167.06	+194.32%	29 qtrs	Decreased 0
TSM TAIWAN SEMICONDUCTOR MFG LTD	2.3M	$704.2M	0.7%	—	$105.66	+183.53%	29 qtrs	Increased 53
LLY Eli Lilly & Co	644,004	$692.1M	0.7%	—	$526.27	+104.83%	29 qtrs	Increased 51
VTEB VANGUARD MUN BD FDS	13.5M	$679.2M	0.7%	—	$46.24	+8.43%	29 qtrs	Decreased 0
MA Mastercard Inc	1.2M	$676.2M	0.7%	—	$366.72	+57.22%	29 qtrs	Increased 51
V Visa Inc	1.9M	$648.8M	0.6%	—	$238.45	+48.00%	29 qtrs	Increased 48
IEMG ISHARES INC	9.5M	$637.2M	0.6%	—	$51.50	+30.85%	29 qtrs	Increased 44
SEIV SEI EXCHANGE TRADED FUNDS	14.8M	$612.3M	0.6%	—	$31.51	+32.76%	8 qtrs	Decreased 0
SEIM SEI EXCHANGE TRADED FUNDS	13.1M	$606.2M	0.6%	—	$34.31	+35.71%	8 qtrs	Decreased 0
VWO VANGUARD INTL EQUITY INDEX F	11.2M	$602M	0.6%	—	$35.33	+52.29%	29 qtrs	Decreased 0
Showing 25 of 3,118 results.PROUpgrade to see all →

Accumulation Streaks

Positions with 2+ consecutive quarters of increases — persistent directional conviction.

Security

TAT&T Inc

Q1 2024 → Q4 2025+4.8M shares+$136.4M

SANBANCO SANTANDER SA

Q1 2024 → Q4 2025+396,288 shares+$7.8M

MSTRStrategy Inc

Q1 2024 → Q4 2025+58,366 shares+$8.7M

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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer