BSPIX Mutual Fund

NAV$897.18

AUM$7.6B

TER0.10%

Holdings1

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BSPIX Mutual Fund

NAV$897.18

iShares S&P 500 Index Fund Institutional Class

AUM$7.6B

TER0.10%

Holdings1

See how much of BSPIX you already own

Just $25 once·$99/mo·Download sample

X-ray my portfolio free

Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

Showing the top 1 of 1 holdings · as of Dec 31, 2025

Top 1 weight

99.93%

BSPIX top 10 holdings, by weight
#	Ticker	Name	Weight	Shares	Mkt value
1	—	Master Investment Portfolio S&P 500 Index Master Portfolio	99.93%	84,561,175	$53.57B

BSPIX Mutual Fund Top Holdings

BSPIX holdings top 10 positions. The top 10 holdings account for 99.9% of the fund, led by Master Investment Portfolio S&P 500 Index Master Portfolio at 99.9%.

BSPIX portfolio concentration is relatively high, with the top 10 representing 99.9% of total assets.

BSPIX sectors provide a detailed breakdown. BSPIX overlap shows how holdings compare to other funds in your portfolio.