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BlackRock Portfolio Management LLC
10% OwnerCIK 0002052113
Total Volume
$50.1M
9 filings
Purchases
$25.6M
1 buy txns
Sales
$3.1M
3 sell txns
Net Activity
$22.5M
net bought
Profile
- Filings
- 9
- Buy transactions
- 1
- Sell transactions
- 3
- Companies
- 3
- Active
- 2025–2026
BlackRock Portfolio Management LLC, 10% Owner, has filed 9 SEC reports (2025–2026), spread across 3 companies, totaling $50.1M in disclosed volume. Weighing $25.6M bought versus $3.1M sold, the history is heavily weighted toward buying. The largest single open-market purchase on record is $25.6M in Yellowstone Midco Holdings II, LLC. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
9 loaded
| Jul 31 | YSS York Space Systems Inc. | BlackRock Portfolio Management LLC | 10% Owner | Sell | $3.1M |
| Jul 13 | CWEN Clearway Energy, Inc. | BlackRock Portfolio Management LLC | 10% Owner | Other | $0 |
| Jun 23 | CWEN Clearway Energy, Inc. | BlackRock Portfolio Management LLC | 10% Owner | Other | $0 |
| Jun 16 | CWEN Clearway Energy, Inc. | BlackRock Portfolio Management LLC | 10% Owner | Other | $0 |
| Apr 2 | CWEN Clearway Energy, Inc. | BlackRock Portfolio Management LLC | 10% Owner | Conversion | $21.4M |
| Mar 30 | CWEN Clearway Energy, Inc. | BlackRock Portfolio Management LLC | 10% Owner | Other | $0 |
| Feb 3 | YSS Yellowstone Midco Holdings II, LLC | BlackRock Portfolio Management LLC | Insider | Buy | $25.6M |
| Jan 29 | YSS Yellowstone Midco Holdings II, LLC | BlackRock Portfolio Management LLC | Insider | Other | $0 |
| Sep 8 | MDIA Mediaco Holding Inc. | BlackRock Portfolio Management LLC | 10% Owner | Sell | $282 |
9 filings