Who
BlackRock Portfolio Management LLC
10% owner
Company insider
Files Form 4 as: 10% owner, Clearway Energy; 10% owner, York Space Systems; 10% owner, Mediaco Holding; 10% owner, Hess Midstream LP.
In numbers
- Trades disclosed
- 110
- Buys
- 1
- Sells
- 14
- Bought
- $51.2M
- Sold
- $1.1B
- Companies
- 4
- Companies where not an officer
- 4
- First trade
- 12 Feb 2025
- Last trade
- 16 Oct 2026
- Last filed
- 20 Oct 2026
Companies traded
Activity over time
1 Feb 2025 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 16 Oct 2026filed 20 Oct 2026 | CWEN Clearway EnergyElectric Utilities & IPPs | SEC FORM 4 Code J | —7,931 | filing |
| 8 Oct 2026filed 13 Oct 2026 | CWEN Clearway EnergyElectric Utilities & IPPs | SEC FORM 4 Code J | —3,861 | filing |
| 1 Oct 2026filed 5 Oct 2026 | CWEN Clearway EnergyElectric Utilities & IPPs | SEC FORM 4 Code J | $1.9M63,811 at $29.14 | filing |
| 1 Oct 2026filed 5 Oct 2026 | CWEN Clearway EnergyElectric Utilities & IPPs | SEC FORM 4 Code J | —4,166 | filing |
| 23 Sep 2026filed 25 Sep 2026 | CWEN Clearway EnergyElectric Utilities & IPPs | SEC FORM 4 Code J | $7,831260 at $30.12 | filing |
| 23 Sep 2026filed 25 Sep 2026 | CWEN Clearway EnergyElectric Utilities & IPPs | SEC FORM 4 Code J | —5,275 | filing |
| 23 Sep 2026filed 25 Sep 2026 | CWEN Clearway EnergyElectric Utilities & IPPs | SEC FORM 4 Code J | $7,831260 at $30.12 | filing |
| 23 Sep 2026filed 25 Sep 2026 | CWEN Clearway EnergyElectric Utilities & IPPs | SEC FORM 4 Code J | —5,275 | filing |
| 7 Aug 2026filed 11 Aug 2026 | CWEN Clearway EnergyElectric Utilities & IPPs | SEC FORM 4 Code J | —1,646 | filing |
| 7 Aug 2026filed 11 Aug 2026 | CWEN Clearway EnergyElectric Utilities & IPPs | SEC FORM 4 Code J | —1,646 | filing |
| 7 Aug 2026filed 10 Aug 2026 | YSS York Space SystemsAerospace & Defense | SEC FORM 4 Sold | $2.2M200,170 at $10.99 | filing |
| 7 Aug 2026filed 10 Aug 2026 | YSS York Space SystemsAerospace & Defense | SEC FORM 4 Sold | $2.2M200,170 at $10.99 | filing |
| 6 Aug 2026filed 10 Aug 2026 | YSS York Space SystemsAerospace & Defense | SEC FORM 4 Sold | $2.3M201,504 at $11.60 | filing |
| 6 Aug 2026filed 10 Aug 2026 | YSS York Space SystemsAerospace & Defense | SEC FORM 4 Sold | $2.3M201,504 at $11.60 | filing |
| 5 Aug 2026filed 10 Aug 2026 | YSS York Space SystemsAerospace & Defense | SEC FORM 4 Sold | $1.6M116,162 at $13.49 | filing |
| 5 Aug 2026filed 10 Aug 2026 | YSS York Space SystemsAerospace & Defense | SEC FORM 4 Sold | $182K11,884 at $15.28 | filing |
| 5 Aug 2026filed 10 Aug 2026 | YSS York Space SystemsAerospace & Defense | SEC FORM 4 Sold | $1.6M116,162 at $13.49 | filing |
| 5 Aug 2026filed 10 Aug 2026 | YSS York Space SystemsAerospace & Defense | SEC FORM 4 Sold | $182K11,884 at $15.28 | filing |
| 5 Aug 2026filed 6 Aug 2026 | YSS York Space SystemsAerospace & Defense | SEC FORM 4 Sold | $1.6M116,162 at $13.49 | filing |
| 5 Aug 2026filed 6 Aug 2026 | YSS York Space SystemsAerospace & Defense | SEC FORM 4 Sold | $180K11,784 at $15.28 | filing |
News
1 WEEK YSS INVESTOR DEADLINE: York Space Systems, Inc. Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit Before October 30, 2026 DeadlineYSS · prnewswire.com · 23 Oct 2026HAGENS BERMAN, NATIONAL TRIAL ATTORNEYS, ENCOURAGES YORK SPACE SYSTEMS (YSS) INVESTORS WITH SUBSTANTIAL LOSSES TO CONTACT FIRM PRIOR TO OCT. 30 LEAD PLAINTIFF DEADLINEYSS · prnewswire.com · 21 Oct 2026YSS Lead Plaintiff Deadline is October 30, 2026 - Robbins LLP Urges York Space Systems Inc. ...YSS · gazettextra.com · 20 Oct 2026
0 headlines in the last 90 days name BlackRock Portfolio Management LLC; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.