Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 2 U.S. retirement plans report holding Mass Mutual Mid Cap Growth I Fund in their Schedule of Assets, totaling $6.4M in parsed positions. Matched on the normalized security name across each plan’s latest filing and ranked by position size.
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| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | CVENT, INC. CVENT, INC. | TYSONS CORNER VA | 2,189 | $240.6M | $3.9M |
| 2 | PROTO LABS, INC. PROTOLABS, INC. 401(K) PLAN | MAPLE PLAIN MN | 1,613 | $110.0M | $2.5M |
