BlackRock Portfolio Management LLC
10% Owner · 16 filings · Latest: Aug 7, 2026
Clearway Energy, Inc.
Yellowstone Midco Holdings II, LLC
York Space Systems Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
YSS | BlackRock Portfolio Management LLC | 10% Owner | Aug 7, 2026 | Sale | $10.99 | 200,170 | $2.2M | 16,517,115 | |
YSS | BlackRock Portfolio Management LLC | 10% Owner | Aug 6, 2026 | Sale | $11.60 | 201,504 | $2.3M | 16,717,285 | |
YSS | BlackRock Portfolio Management LLC | 10% Owner | Aug 5, 2026 | Sale | $13.66 | 128,046 | $1.7M | 16,918,789 | |
YSS | BlackRock Portfolio Management LLC | 10% Owner | Aug 4, 2026 | Sale | $15.50 | 546,558 | $8.5M | 17,046,835 | |
YSS | BlackRock Portfolio Management LLC | 10% Owner | Aug 5, 2026 | Sale | $13.65 | 127,946 | $1.7M | 16,931,394 | |
YSS | BlackRock Portfolio Management LLC | 10% Owner | Aug 4, 2026 | Sale | $15.50 | 534,053 | $8.3M | 17,059,340 | |
YSS | BlackRock Portfolio Management LLC | 10% Owner | Aug 3, 2026 | Sale | $15.03 | 13,754 | $206.7K | 17,593,393 | |
YSS | BlackRock Portfolio Management LLC | 10% Owner | Jul 31, 2026 | Sale | $15.14 | 35,574 | $538.6K | 17,607,147 | |
YSS | BlackRock Portfolio Management LLC | 10% Owner | Jul 30, 2026 | Sale | $15.18 | 140,823 | $2.1M | 17,642,721 | |
YSS | BlackRock Portfolio Management LLC | 10% Owner | Jul 29, 2026 | Sale | $15.31 | 63,390 | $970.5K | 17,783,544 | |
YSS | BlackRock Portfolio Management LLC | 10% Owner | Jan 30, 2026 | Purchase | $34.00 | 752,500 | $25.6M | 17,846,934 |