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Ati Inc

ATI
Exchange
NYSE
Industry
Steel Pipe & Tubes
SEC CIK
0001018963

In the last 90 days, Ati Inc insiders filed 0 open-market purchases and 9 sales; 795 institutions reported holding it in 13F filings for Q2 2026, worth $25.1B in total; 3 superinvestors hold it, including Viking Global Investors and Soros Fund Management.

13F holders, Q3 2025

Institutional positions in Ati Inc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
470
+3 vs. Q2 2025
Shares held
128.8M
−3.45M (−2.6%) vs. Q2 2025
Total value
$10.5B
−$931.7M (−8.2%) vs. Q2 2025
New holders
90
152 more added
Sold out
87
154 more reduced

6 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 470 institutions
Q1 2021: 234 institutionsQ2 2021: 237 institutionsQ3 2021: 236 institutionsQ4 2021: 241 institutionsQ1 2022: 284 institutionsQ2 2022: 266 institutionsQ3 2022: 290 institutionsQ4 2022: 304 institutionsQ1 2023: 339 institutionsQ2 2023: 329 institutionsQ3 2023: 338 institutionsQ4 2023: 349 institutionsQ1 2024: 345 institutionsQ2 2024: 403 institutionsQ3 2024: 421 institutionsQ4 2024: 403 institutionsQ1 2025: 426 institutionsQ2 2025: 473 institutionsQ3 2025: 470 institutionsQ4 2025: 570 institutionsQ1 2026: 678 institutionsQ2 2026: 795 institutions
Value heldQ3 2025: $10.5B
Q1 2021: $2.72BQ2 2021: $2.77BQ3 2021: $2.21BQ4 2021: $2.10BQ1 2022: $3.51BQ2 2022: $3.02BQ3 2022: $3.49BQ4 2022: $3.95BQ1 2023: $5.29BQ2 2023: $5.95BQ3 2023: $5.48BQ4 2023: $6.10BQ1 2024: $6.89BQ2 2024: $7.33BQ3 2024: $8.89BQ4 2024: $7.51BQ1 2025: $6.97BQ2 2025: $11.6BQ3 2025: $10.5BQ4 2025: $14.7BQ1 2026: $18.5BQ2 2026: $25.1B
Institutions holding ATI and their total value by quarter
QuarterHoldersValue
Q2 2026795$25.1B
Q1 2026678$18.5B
Q4 2025570$14.7B
Q3 2025470$10.5B
Q2 2025473$11.6B
Q1 2025426$6.97B
Q4 2024403$7.51B
Q3 2024421$8.89B
Q2 2024403$7.33B
Q1 2024345$6.89B
Q4 2023349$6.10B
Q3 2023338$5.48B
Q2 2023329$5.95B
Q1 2023339$5.29B
Q4 2022304$3.95B
Q3 2022290$3.49B
Q2 2022266$3.02B
Q1 2022284$3.51B
Q4 2021241$2.10B
Q3 2021236$2.21B
Q2 2021237$2.77B
Q1 2021234$2.72B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q2 2025.

Institutions holding ATI in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Harvest Fund Management Co., Ltd6$00.00%00.0%Unchanged
Principia Wealth Advisory, LLC1$810.00%−3−75.0%Reduced
ROSS\JOHNSON & Associates LLC1$810.00%00.0%Unchanged
Mather Group, LLC.1$810.00%+1New
American Capital Advisory, LLC1$820.00%−2−66.7%Reduced
MV Capital Management, Inc.1$820.00%00.0%Unchanged
Cornerstone Planning Group LLC1$1010.00%+1New
Quent Capital, LLC2$1630.00%+2New
Valued Wealth Advisors LLC3$2450.00%00.0%Unchanged
AdvisorNet Financial, Inc4$3250.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC6$4880.00%+1+20.0%Added
HFM Investment Advisors, LLC7$5690.00%−1−12.5%Reduced
Bogart Wealth, LLC7$5690.00%+7New
Essential Partners LLC8$6510.00%+5+166.7%Added
Guerra Advisors Inc10$8130.00%+10New
Rialto Wealth Management, LLC10$8140.00%+4+66.7%Added
South State Corp.11$8950.00%00.0%Unchanged
DecisionPoint Financial, LLC11$9140.00%00.0%Unchanged
IFP Advisors, Inc12$9760.00%+12Added
SJS Investment Consulting Inc.13$1.06K0.00%00.0%Unchanged
Cromwell Holdings LLC14$1.14K0.00%00.0%Unchanged
Kayne Anderson Rudnick Investment Management LLC15$1.22K0.00%00.0%Unchanged
SBI Securities Co., Ltd.19$1.54K0.00%−72−79.1%Reduced
Financial Network Wealth Advisors LLC19$1.54K0.00%00.0%Unchanged
JPL Wealth Management, LLC19$1.55K0.00%+19New
Bell Investment Advisors, Inc21$1.71K0.00%+10+90.9%Added
DiNuzzo Private Wealth, Inc.24$1.86K0.00%00.0%Unchanged
Annis Gardner Whiting Capital Advisors, LLC23$1.87K0.00%00.0%Unchanged
Cloud Capital Management, LLC31$2.00K0.00%+31New
Fortitude Family Office, LLC29$2.36K0.00%00.0%Unchanged
Wolff Wiese Magana LLC30$2.44K0.00%00.0%Unchanged
Pinnacle Bancorp, Inc.34$2.77K0.00%00.0%Unchanged
True Wealth Design, LLC35$2.85K0.00%+14+66.7%Added
MCF Advisors LLC36$2.93K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC38$3.00K0.00%00.0%Unchanged
NBC Securities, Inc.40$3.25K0.00%00.0%Unchanged
Larson Financial Group LLC46$3.74K0.00%−28−37.8%Reduced
Caldwell Sutter Capital, Inc.50$4.07K0.00%−50−50.0%Reduced
Salomon & Ludwin, LLC53$4.31K0.00%+53New
Tortoise Investment Management, LLC54$4.39K0.00%+1+1.9%Added
Central Trust Co63$5.13K0.00%00.0%Unchanged
Adirondack Trust Co66$5.37K0.00%+66New
Moisand Fitzgerald Tamayo, LLC70$5.69K0.00%00.0%Unchanged
Global Retirement Partners, LLC80$6.51K0.00%−82−50.6%Reduced
Bare Financial Services, Inc82$6.67K0.00%+3+3.8%Added
Rakuten Securities, Inc.85$6.91K0.00%−24−22.0%Reduced
First Horizon Corp86$7.00K0.00%+86New
GWM Advisors LLC100$8.13K0.00%−763−88.4%Reduced
Private Wealth Management Group, LLC102$8.30K0.00%00.0%Unchanged
Hollencrest Capital Management118$9.58K0.00%00.0%Unchanged
TFC Financial Management118$9.60K0.00%00.0%Unchanged
TD Waterhouse Canada Inc.119$9.87K0.00%+119New
Ronald Blue Trust, Inc.123$10.0K0.00%+100+434.8%Added
Blue Bell Private Wealth Management, LLC133$10.8K0.00%+133New
Global X Japan Co., Ltd.136$11.1K0.00%−71−34.3%Reduced
Covestor Ltd142$12.0K0.01%−107−43.0%Reduced
GHP Investment Advisors, Inc.151$12.3K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd179$14.6K0.01%+179New
Contravisory Investment Management, Inc.185$15.0K0.00%+185New
Rothschild Investment LLC189$15.4K0.00%00.0%Unchanged
Itau Unibanco Holding S.A.202$16.4K0.00%+202New
Principal Securities, Inc.217$17.7K0.00%−37−14.6%Reduced
Parkside Financial Bank & Trust217$17.7K0.00%+1+0.5%Added
Root Financial Partners, LLC235$19.1K0.00%+235New
Clearstead Advisors, LLC252$20.5K0.00%−164−39.4%Reduced
TD Private Client Wealth LLC254$20.7K0.00%+254New
Wealthspire Advisors, LLC264$21.5K0.00%+264New
UMA Financial Services, Inc.278$22.6K0.00%00.0%Unchanged
Golden State Wealth Management, LLC292$23.8K0.00%00.0%Unchanged
Leonteq Securities AG295$24.0K0.00%−34−10.3%Reduced
Ci Investments Inc.348$28.0K0.00%+20+6.1%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.369$30.0K0.00%00.0%Unchanged
Massmutual Trust Co FSB413$33.6K0.00%+27+7.0%Added
Assetmark, Inc416$33.8K0.00%+9+2.2%Added
Prestige Wealth Management Group LLC420$34.2K0.01%+420New
Signaturefd, LLC421$34.2K0.00%+40+10.5%Added
Meeder Asset Management Inc422$34.3K0.00%+402+2,010.0%Added
Quarry LP472$38.4K0.01%−1,400−74.8%Reduced
Hemington Wealth Management482$39.0K0.01%+3+0.6%Added
Allworth Financial LP534$43.4K0.00%+180+50.8%Added
Cedar Mountain Advisors, LLC535$43.5K0.01%00.0%Unchanged
Walleye Capital LLC537$43.7K0.00%+537New
SRS Capital Advisors, Inc.549$44.7K0.00%+549New
Johnson Financial Group, Inc.550$44.7K0.00%−150−21.4%Reduced
WPG Advisers, LLC553$45.0K0.03%00.0%Unchanged
Ameritas Advisory Services, LLC617$50.2K0.00%−752−54.9%Reduced
MAI Capital Management654$53.2K0.00%−215−24.7%Reduced
WFA Asset Management Corp800$53.5K0.03%00.0%Unchanged
Bayforest Capital Ltd674$54.8K0.03%−3,184−82.5%Reduced
Activest Wealth Management709$57.7K0.01%00.0%Unchanged
Nomura Asset Management Co Ltd720$58.6K0.00%00.0%Unchanged
ARK Investment Management LLCSuperinvestorARK Invest742$60.4K0.00%+587+378.7%Added
CIBC Private Wealth Group, LLC770$62.6K0.00%00.0%Unchanged
Optiver Holding B.V.864$70.3K0.00%+633+274.0%Added
Capital Analysts, LLC1,013$82.0K0.00%00.0%Unchanged
Smartleaf Asset Management LLC1,090$86.4K0.01%+118+12.1%Added
Pilgrim Partners Asia Pte Ltd1,120$91.1K0.04%+1,120New
JFS Wealth Advisors, LLC1,333$108.4K0.01%00.0%Unchanged
Fifth Third Bancorp1,355$110.2K0.00%+103+8.2%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,445$118.0K0.00%−28−1.9%Reduced