Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 4 U.S. retirement plans report holding BlackRock Blackrock Health Sciences Opps Inst in their Schedule of Assets, totaling $2.2M in parsed positions. Matched on the normalized security name across each plan’s latest filing and ranked by position size.
| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | MACK INDUSTRIES, INC. MACK INDUSTRIES, INC. 401(K) PROFIT SHARING PLAN | BRUNSWICK OH | 625 | $36.8M | $978K |
| 2 | GEOENGINEERS, INC. GEOENGINEERS, INC. 401(K) PROFIT SHARING PLAN | REDMOND WA | 425 | $89.2M | $791K |
| 3 | MECHDYNE CORPORATION MECHDYNE CORPORATION 401(K) PLAN |
MARSHALLTOWN IA |
| 225 |
| $22.2M |
| $437K |
| 4 | THRIVE BEHAVIORAL HEALTH, LLC THRIVE BEHAVIORAL HEALTH, LLC 401(K) PLAN | ROSEDALE MD | 357 | $9.9M | $2K |
