Astec Industries brings Fidelity large-cap equity fund into 401(k) plan Astec Industries Inc., Chattanooga, Tenn., added the Fidelity 500 Index Fund to the investment options lineup of its 401(k) plan. The company added the passive domestic large-cap equity fund managed by Fidelity Investments to the lineup during 2021, according to a comparison of the company''s new 11-K filing with the SEC on Wednesday and last year''s filing. As of Dec. 31, the Fidelity 500 Index Fund had $47 million in assets in the plan, according to the new 11-K filing. The comparison also showed the plan removed the Vanguard 500 Index Admiral Fund from the lineup during 2021. As of Dec. 31, 2020, the passive domestic large-cap equity fund managed by Vanguard Group had $41 million in assets in the plan, according to the prior 11-K filing. The new 11-K filing did not provide a reason for the change. As of Dec. 31, the Astec Industries Inc. 401(k) Retirement Plan had $326 million in assets, according to the new 11-K filing. Steve Anderson, senior vice president of administration and investor relations, could not be immediately reached for further information.