Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding BlackRock Health Sciences Opp Port K Registered Investment Company in their Schedule of Assets, totaling $189K 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 | REFLEXION MEDICAL REFLEXION MEDICAL RETIREMENT TRUST | HAYWARD CA | 251 | $30.9M | $189K |