BlackRock Portfolio Management LLC
CIK 2052113 · last filed 2026-05-01
BlackRock Portfolio Management LLC is a corporate insider who has filed 45 SEC Form 4 insider transactions across 4 companies since 2025. The most recent filing, for CWEN.A, was dated May 1, 2026. Across all open-market trades the lifetime net is −$1.02B, making them a net seller over the disclosed history. Current disclosed insider exposure totals $520.1M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$520.07M
4
45
-$1.02B
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CWEN.A | 10%+ Owner | 75,591 | $40.43 | — | $0 | 39 | 2026-05-01 |
| YSS | 10%+ Owner | 17,846,934 | $27.68 | $494.00M | $25.59M | 1 | 2026-02-03 |
| MDIA | 10%+ Owner | 35,257,690 | $0.74 | $26.07M | -$282 | 1 | 2025-09-08 |
| HESM | 10%+ Owner | 0 | $38.58 | $0 | -$1.05B | 4 | 2025-05-30 |
Recent Filings
45 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-01 | CWEN.A | Other (J) | +6,461 | $0 | EDGAR |
| 2026-05-01 | CWEN.A | Other (J) | +6,461 | $0 | EDGAR |
| 2026-04-02 | CWEN.A | Mixed | −120,891 | -$13.41M | EDGAR |
| 2026-04-02 | CWEN.A | Mixed | −120,891 | -$13.41M | EDGAR |
| 2026-03-30 | CWEN.A | Other (J) | +1,091 | $0 | EDGAR |
| 2026-03-30 | CWEN.A | Other (J) | +1,091 | $0 | EDGAR |
| 2026-03-17 | CWEN.A | Other (J) | +493 | $0 | EDGAR |
| 2026-03-17 | CWEN.A | Other (J) | +493 | $0 | EDGAR |
| 2026-02-25 | CWEN.A | Other (J) | +1,004 | $5.1K | EDGAR |
| 2026-02-25 | CWEN.A | Other (J) | +1,004 | $5.1K | EDGAR |