The performance data shown represent past performance, which is not a guarantee of future results. Investment returns and principal value will fluctuate, so that investors' shares, when sold, may be worth more or less than their original cost. Current performance may be lower or higher than the performance data cited. See performance data current to the most recent month-end. Expense ratio information can be found on the Overview page.

Cumulative Total Returns					(as of 06/30/2025)
	1 Year	3 Year	5 Year	10 Year	Since Inception
					08/31/1976
500 Index Fund Inv	15.00%	70.82%	114.41%	254.49%	20,201.50%
S&P 500 Index	15.16%	71.55%	115.89%	259.36%	—

Annual Investment Returns				(as of 12/31/2024)
Year Ended	500 Index Fund Inv			S&P 500 Index
	Capital Return	Income Return	Total Return	Total Return
2024	23.36%	1.49%	24.84%	25.02%
2023	24.25%	1.86%	26.11%	26.29%
2022	–19.48%	1.25%	–18.23%	–18.11%
2021	26.91%	1.63%	28.53%	28.71%
2020	16.25%	2.00%	18.25%	18.40%
2019	28.83%	2.50%	31.33%	31.49%
2018	–6.23%	1.71%	–4.52%	–4.38%
2017	19.48%	2.18%	21.67%	21.83%
2016	9.60%	2.22%	11.82%	11.96%
2015	–0.74%	1.99%	1.25%	1.38%
2014	11.46%	2.04%	13.51%	13.69%
2013	29.68%	2.50%	32.18%	32.39%
2012	13.45%	2.38%	15.82%	16.00%
2011	–0.02%	1.98%	1.97%	2.11%
2010	12.81%	2.11%	14.91%	15.06%

Quarterly Investment Returns						(as of 06/30/2025)
Year	500 Index Fund Inv					S&P 500 Index
	First Quarter	Second Quarter	Third Quarter	Fourth Quarter	Year-End Return	Year-End Average
2025	–4.31%	10.91%	—	—	—	—
2024	10.52%	4.25%	5.85%	2.37%	24.84%	25.02%
2023	7.46%	8.70%	–3.30%	11.65%	26.11%	26.29%
2022	–4.63%	–16.13%	–4.92%	7.52%	–18.23%	–18.11%
2021	6.15%	8.51%	0.54%	10.99%	28.53%	28.71%
2020	–19.63%	20.52%	8.89%	12.12%	18.25%	18.40%
2019	13.62%	4.27%	1.67%	9.03%	31.33%	31.49%
2018	–0.79%	3.40%	7.67%	–13.55%	–4.52%	–4.38%
2017	6.03%	3.05%	4.45%	6.61%	21.67%	21.83%
2016	1.31%	2.42%	3.82%	3.80%	11.82%	11.96%
2015	0.91%	0.26%	–6.48%	7.00%	1.25%	1.38%

Glossary

Important fund performance information