Follow-The-Filings

Security

ATI

Ati Inc. · COM

Equity holders as of 2026 Q1 (each manager’s latest book)

19 owners 3 new max 1.4% (Andreas Halvorsen - Vikin...)

grid → activity →
owners 19
rank #267
master % 0.05%
max % 1.4%
tracked value $3.4B
qoq N 3 A 6 R 7

holders

sorted by % of portfolio · long equity only

manager % port activity shares value history
Andreas Halvorsen - Viking Global Investors LP 2026 Q1 1.4% New 1.4% 3,332,843 $485M hist
Senator Investment Group LP 2026 Q1 1.0% Reduce -0.53 pp 145,000 $21M hist
Steve Cohen - Point72 Asset Management, L.P. 2026 Q1 0.4% Add +0.26 pp 1,932,579 $281M hist
Dmitry Balyasny - Balyasny Asset Management L.P. 2026 Q1 0.2% Add +0.10 pp 851,664 $124M hist
D. E. Shaw & Co., Inc. 2026 Q1 0.2% Reduce +0.03 pp 1,742,609 $253M hist
Joel Greenblatt - Gotham Asset Management, LLC 2026 Q1 0.1% Reduce -0.01 pp 260,488 $38M hist
Cliff Asness - Aqr Capital Management LLC 2026 Q1 0.1% Add +0.02 pp 1,222,580 $174M hist
Marshall Wace - Marshall Wace, LLP 2026 Q1 0.1% Reduce +0.01 pp 536,478 $78M hist
George Soros - Soros Fund Management LLC 2026 Q1 0.1% New 0.1% 52,832 $8M hist
Ken Fisher - Fisher Asset Management, LLC 2026 Q1 0.1% Add +0.01 pp 924,521 $134M hist
Israel Englander - Millennium Management LLC 2026 Q1 0.0% Add +0.01 pp 619,240 $90M hist
Natixis Advisors, LLC 2026 Q1 0.0% Reduce 0.00 pp 124,277 $18M hist
Vanguard Group Inc. 2025 Q4 stale 0.0% Reduce +0.01 pp 12,726,524 $1.5B hist
Norges Bank 2025 Q4 stale 0.0% Exit -0.02 pp 1,732,195 $199M hist
Ken Griffin - Citadel Advisors LLC 2026 Q1 0.0% Add +0.01 pp 303,296 $44M hist
Ray Dalio - Bridgewater Associates, LP 2026 Q1 0.0% New 0.0% 21,950 $3M hist
Two Sigma Investments, LP 2025 Q4 stale 0.0% Exit 0.00 pp 1,967 $226 hist
Cathie Wood - Ark Investment Management LLC 2026 Q1 0.0% Reduce 0.00 pp 679 $99 hist
Ancora Advisors LLC 2026 Q1 0.0% — 178 $26 hist

19 current · options excluded

financials

US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing

Income statement

Metric FY2023 FY2024 FY2025
Revenue $3.84B $4.36B $4.59B
Gross profit $714.2M $898.2M $1.01B
Gross margin * 18.6% 20.6% 22.0%
Net income $323.5M $367.8M $404.3M
Net margin * 8.4% 8.4% 8.8%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $2.48B $2.94B $2.68B
Total non-current assets * $1.97B $2.29B $2.42B
Total assets $4.45B $5.23B $5.1B
Total current liabilities $963.9M $1.21B $1.01B
Total non-current liabilities * $2.32B $2.07B $2.18B
Total equity $1.05B $1.85B $1.8B

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations $224.9M $407.2M $614.3M
Cash from investing -$126.7M -$159.6M -$234.5M
Cash from financing -$201.9M -$260.4M -$699.9M
Net change in cash -$103.7M -$22.7M -$304.5M

Source: SEC companyfacts (US-GAAP 10-K) · * = computed (not a single XBRL tag) · fiscal year as labeled by the issuer · not adjusted or audited by Follow-The-Filings

ownership over time

filing count by report period · click a bar for that quarter’s holders