Blackrock Portfolio Management LLC
CIK 0002052113
10% Owner
Filings
26
Latest May 1, 2026
Issuers covered
4
Showing
26 of 26
Page 1
Track record
5 of 5 open-market trades scored (100% price coverage). Returns are signed: a +10% move on a sale shows as -10% (insider was wrong).
| Horizon | Trades | Win rate | Avg | Median | Best | Worst |
|---|---|---|---|---|---|---|
| 30 days | 5 | 20% | -6.7% | -4.1% | +5.9% | -23.4% |
| 90 days | 5 | 40% | +4.8% | -0.2% | +33.3% | -12.4% |
| 180 days | 4 | 75% | +14.2% | +5.6% | +52.2% | -6.7% |
| 365 days | 3 | 67% | +4.6% | +7.8% | +8.9% | -2.9% |
Issuers
Companies where Blackrock Portfolio Management LLC has filed
| Ticker | Issuer | Filings | Last filed |
|---|---|---|---|
| CWEN | Clearway Energy, Inc. | 20 | May 1, 2026 |
| HESM | Hess Midstream LP | 4 | May 30, 2025 |
| MDIA | Mediaco Holding Inc. | 1 | Sep 8, 2025 |
| YSS | Yellowstone Midco Holdings II, LLC | 1 | Feb 3, 2026 |
All filings
26 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|