Ati Inc
ATI · US
Ati Inc is held by 5 of the 24 tracked investors in their latest 13F filings. The largest position is Norges Bank's at $343M, 0.03% of that portfolio. Versus the prior quarter, 2 added, 2 trimmed and 0 bought new. In the last 90 days insiders sold 4 times ($11.8M) and bought 0 times on the open market.
Big investors holding this stock
Latest 13F of the 24 tracked investors. Common shares only.
| Investor | Value ($) | vs prior quarter |
|---|---|---|
| Norges Bank weight 0.03% · Q2 2026 |
343M | – |
| Viking Global Investors weight 0.65% · Q2 2026 |
227M | ▼ 65% |
| Bridgewater Associates weight 0.09% · Q2 2026 |
22.7M | ▲ 424% |
| Soros Fund Management weight 0.18% · Q2 2026 |
14.5M | ▲ 39% |
| ARK Investment Management weight 0.00% · Q2 2026 |
0.1M | ▼ 28% |
Insider trades (90 days)
SEC Form 4| Insider | Trade | Amount ($) |
|---|---|---|
| Harris Timothy J Senior VP and CDIO · 9/21 |
Sell Plan | 1.7M |
| Harris Timothy J Senior VP and CDIO · 9/14 |
Sell Plan | 3.2M |
| Harris Timothy J Senior VP and CDIO · 9/8 |
Sell Plan | 3.4M |
| Harris Timothy J Senior VP and CDIO · 8/31 |
Sell Plan | 3.5M |
Questions
Which big investors own Ati Inc?
Norges Bank ($343M), Viking Global Investors ($227M), Bridgewater Associates ($22.7M), Soros Fund Management ($14.5M), ARK Investment Management ($95,988), per their latest 13F filings.
Does Warren Buffett own Ati Inc?
Berkshire Hathaway did not report it in its latest 13F.
Does Korea's National Pension Service own Ati Inc?
Not in its latest 13F.
Have Ati Inc insiders been selling?
4 open-market sales ($11.8M) and 0 purchases in the last 90 days; 4 of the sales were under pre-arranged 10b5-1 plans.
Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.