National Steel Co
SID- Exchange
- NYSE
- Industry
- Steel Works, Blast Furnaces & Rolling & Finishing Mills
- SEC CIK
- 0001049659
No open-market purchases or sales by National Steel Co insiders were filed in the last 90 days; 66 institutions reported holding it in 13F filings for Q2 2026, worth $1.49B in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −16 vs. previous quarter
- 66
- 13F valueReported value at the end of Q2 2026
- $1.49B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding SID, Q2 2026
No superinvestor reported holding SID at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by National Steel Co insiders from Form 4, newest first.
No open-market purchases or sales by National Steel Co insiders are on file.
Top 10 13F holders, Q2 2026
The largest institutional positions in National Steel Co at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Banque Cantonale Vaudoise | 1,600,000 | $1.46B | 0.20% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 4,514,354 | $4.13M | 0.00% | +82,496+1.9% | Added |
| Renaissance Technologies LLC | 3,611,400 | $3.30M | 0.00% | −1,407,800−28.0% | Reduced |
| Dimensional Fund Advisors LP | 3,505,358 | $3.21M | 0.00% | −75,906−2.1% | Reduced |
| UBS Group AG | 3,340,494 | $3.06M | 0.00% | +1,756,253+110.9% | Added |
| Citadel Advisors LLC | 2,115,644 | $1.94M | 0.00% | +1,307,988+161.9% | Added |
| State Street Corp | 1,702,500 | $1.69M | 0.00% | −19,451−1.1% | Reduced |
| Jane Street Group, LLC | 1,647,143 | $1.51M | 0.00% | −207,495−11.2% | Reduced |
| Two Sigma Investments, LP | 1,040,380 | $951.9K | 0.00% | +178,986+20.8% | Added |
| XTX Topco Ltd | 724,005 | $662.5K | 0.01% | +199,948+38.2% | Added |