LCIAX
SIIT LARGE CAP INDEX FUND
SEI INSTITUTIONAL INVESTMENTS TRUST
Index fund
Expense ratio1
0.13%
Net assets2
$1.95B
Holdings2
1003
Category
US Equity
2025 return3
15.38%

Investment objective & strategy

As of Nov. 18, 2025 · prospectus

Strategy. In the Fund Summary of the Large Cap Index Fund, S & P 500 Index Fund and Extended Market Index Fund, under the sub-heading "Principal Investment Strategies," the following text is hereby added at the end of the first paragraph: The Fund may become "non-diversified," as defined in the Investment Company Act of 1940 Act, as amended (the "1940 Act"), as a result of a change in relative market capitalization or index weighting of one or more constituents of the Index. In the Fund Summary of the Large Cap Index Fund, S & P 500 Index Fund and Extended Market Index Fund, under the sub-heading "Principal Investment Strategies," the following text is hereby added at the end of the first paragraph: The Fund may become "non-diversified," as defined in the Investment Company Act of 1940 Act, as amended (the "1940 Act"), as a result of a change in relative market capitalization or index weighting of one or more constituents of the Index.

Top holdings

As of Feb. 28, 2026 · N-PORT
SecurityTickerValue% of fund
NVIDIA CORP $124.70M 6.40%
APPLE INC COMMON STOCK $115.81M 5.94%
MICROSOFT CORP $87.57M 4.49%
PUT Amazon.com, Inc. 01/02/2026 P205 $60.54M 3.11%
ALPHABET INC CL A $54.47M 2.79%
SEI DAILY INCOME TRUST GOVERNMENT FUND (#36) $45.81M 2.35%
BROADCOM INC $44.34M 2.28%
ALPHABET INC CL C $44.29M 2.27%
META PLATFORMS INC CL A $42.50M 2.18%
US ULTRA BOND CBT Sep25 $36.86M 1.89%
View all holdings →

Allocation by sector

As of February 28, 2026 · N-PORT
View portfolio breakdown →

Portfolio moves

Nov 30, 2025 → Feb 28, 2026
Opened
7
Exited
14
Increased
256
Decreased
15
Unchanged
725

How many positions this fund opened, exited, grew, trimmed, or left unchanged between its two most recent N-PORT snapshots — net changes between point-in-time reports, not a trade log.

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Similar funds

Funds whose portfolios most overlap this one, by weight
FundOverlapNet exp.
SIMT LARGE CAP INDEX FUND · SLGFX 97% 0.64%
SIIT S&P 500 INDEX FUND · SPINX 92% 0.12%
SIMT S&P 500 Index Fund · SSPIX, TRQIX, SPIIX, SETYX 91% 0.54%
View all similar funds →

Advisers

As of May 31, 2025 · N-CEN
FirmRole
SEI INVESTMENTS MANAGEMENT Corporation Adviser
SSGA Funds Management, Inc. Sub-adviser

Footnotes

  1. Expense ratio as of September 26, 2025, from the fund's prospectus.
  2. Net assets and holdings count as of February 28, 2026, from the fund's N-PORT filing.
  3. Total return for calendar year 2025, before tax and after fund expenses. Computed by compounding the twelve monthly total returns the fund reported in its SEC N-PORT filings for 2025 (the latest prospectus does not yet chart this year).

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