Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding Fidelity Mid Cap Index Fund (1FSMDX) Mutual Funds in their Schedule of Assets, totaling $1.8M in parsed positions. Matched on the normalized security name across each plan’s latest filing and ranked by position size.
Open any plan below to unlock verified email + phone for its decision-makers — the Form 5500 signer, CFO, and HR & Benefits leads.
| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | ASPEN AEROGELS, INC. ASPEN AEROGELS, INC. 401(K) PLAN | NORTHBOROUGH MA | 521 | $40.7M | $1.8M |
