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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, Q2 2026

Institutional positions in Ati Inc as of Jun 30, 2026. 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
795
+124 vs. Q1 2026
Shares held
127.6M
+300.1K (+0.2%) vs. Q1 2026
Total value
$25.1B
+$6.58B (+35.6%) vs. Q1 2026
New holders
178
306 more added
Sold out
54
222 more reduced

7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 795 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 heldQ2 2026: $25.1B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q1 2026.

Institutions holding ATI in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
CoreCap Advisors, LLC154$30.4K0.00%+154New
GHP Investment Advisors, Inc.155$30.6K0.00%00.0%Unchanged
Pinnacle Bancorp, Inc.166$32.7K0.01%+38+29.7%Added
Zions Bancorporation, National Association167$32.9K0.00%+18+12.1%Added
ORG Wealth Partners, LLC170$33.5K0.01%+170New
Caitong International Asset Management Co., Ltd171$33.7K0.00%−4,213−96.1%Reduced
Larson Financial Group LLC171$33.7K0.00%+80+87.9%Added
Blue Bell Private Wealth Management, LLC175$34.5K0.00%00.0%Unchanged
CVA Family Office, LLC178$35.1K0.00%+3+1.7%Added
Global X Japan Co., Ltd.183$36.1K0.00%+50+37.6%Added
Colonial Trust Co187$36.9K0.00%00.0%Unchanged
Signature Equity Partners, LLC191$37.6K0.02%+9+4.9%Added
Mather Group, LLC.200$39.4K0.00%00.0%Unchanged
Assetmark, Inc205$40.4K0.00%+53+34.9%Added
Macquarie Group Ltd213$42.0K0.00%−90−29.7%Reduced
SJS Investment Consulting Inc.213$42.0K0.00%+16+8.1%Added
Bryn Mawr Trust Co241$47.5K0.00%+241New
First Horizon Corp259$51.0K0.00%+247+2,058.3%Added
Pin Oak Investment Advisors Inc268$53.0K0.04%+268New
UMA Financial Services, Inc.284$56.0K0.01%+6+2.2%Added
Golden State Wealth Management, LLC308$60.7K0.01%+16+5.5%Added
Nomura Asset Management Co Ltd313$61.7K0.00%−77−19.7%Reduced
Triumph Capital Management317$62.5K0.01%+58+22.4%Added
True Wealth Design, LLC332$65.4K0.02%+70+26.7%Added
Cullen/Frost Bankers, Inc.347$68.4K0.00%−206−37.3%Reduced
HM Payson & Co367$72.3K0.00%+367New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.369$72.7K0.00%00.0%Unchanged
Leonteq Securities AG377$74.3K0.00%+376+37,600.0%Added
Meeder Asset Management Inc389$76.7K0.00%−2,365−85.9%Reduced
Massmutual Trust Co FSB398$78.4K0.00%−2−0.5%Reduced
Prestige Wealth Management Group LLC420$82.8K0.02%00.0%Unchanged
Rakuten Securities, Inc.460$90.7K0.02%−295−39.1%Reduced
WPG Advisers, LLC467$92.0K0.05%00.0%Unchanged
Newbridge Financial Services Group, Inc.470$92.6K0.01%+424+921.7%Added
ARK Investment Management LLCSuperinvestorARK Invest487$96.0K0.00%−192−28.3%Reduced
Cedar Mountain Advisors, LLC535$105.4K0.02%00.0%Unchanged
Johnson Financial Group, Inc.550$108.4K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC581$114.5K0.01%+581New
Security National Bank of Sioux City Iowa600$118.3K0.05%+600New
Parkside Financial Bank & Trust610$120.2K0.01%+135+28.4%Added
Smartleaf Asset Management LLC626$123.8K0.00%00.0%Unchanged
Signaturefd, LLC628$123.9K0.00%+103+19.6%Added
Keating Financial Advisory Services, Inc.694$136.8K0.02%+190+37.7%Added
TCG Advisory Services, LLC696$137.2K0.00%+213+44.1%Added
EFG International AG719$141.7K0.00%+420+140.5%Added
Wolff Wiese Magana LLC730$143.9K0.07%+100+15.9%Added
Vanguard National Trust Co823$162.2K0.01%00.0%Unchanged
Hilltop National Bank842$166.0K0.04%00.0%Unchanged
Sterling Capital Management LLC893$176.0K0.00%−3,648−80.3%Reduced
USA Financial Formulas960$189.2K0.03%+960New
IFP Advisors, Inc988$194.7K0.00%−4−0.4%Reduced
Capital Analysts, LLC1,013$200.0K0.00%00.0%Unchanged
Cornerstone Advisory, LLC1,017$200.5K0.02%+1,017New
Laurel Oak Wealth Management, LLC1,033$203.6K0.03%+1,033New
Agp Franklin, LLC1,035$204.0K0.09%+1,035New
Baker Avenue Asset Management, LP1,038$204.6K0.00%+1,038New
Linscomb & Williams, Inc.1,042$205.4K0.01%+1,042New
CIBC World Markets Inc.1,043$205.6K0.00%+1,043New
Barnes Dennig Private Wealth Management LLC1,050$207.0K0.17%−28−2.6%Reduced
Arkadios Wealth Advisors1,056$208.1K0.00%+1,056New
Advisory Alpha, LLC1,056$208.1K0.01%+1,056New
AA Financial Advisors, LLC1,070$210.9K0.03%+1,070New
Aspiriant, LLC1,071$211.1K0.01%+1,071New
Midwest Trust Co1,073$211.5K0.00%+1,073New
Pilgrim Partners Asia Pte Ltd1,080$212.9K0.09%−680−38.6%Reduced
SBI Securities Co., Ltd.1,082$213.3K0.00%+211+24.2%Added
Brookstone Capital Management1,089$214.6K0.00%+1,089New
One + One Wealth Management, LLC1,100$216.8K0.09%+1,100New
Root Financial Partners, LLC1,115$219.8K0.01%+253+29.4%Added
Soltis Investment Advisors LLC1,120$220.7K0.01%+1,120New
Greenline Wealth Management LLC1,124$221.6K0.18%+1,124New
Fiduciary Alliance LLC1,143$225.3K0.02%+1,143New
Pinnacle Wealth Planning Services, Inc.1,150$226.7K0.02%−121−9.5%Reduced
Drive Wealth Management, LLC1,159$228.4K0.04%+1,159New
Impact Capital Partners LLC1,169$230.4K0.06%+1,169New
Greenspring Advisors, LLC1,172$231.0K0.01%+1,172New
Three Seasons Wealth, LLC1,190$234.5K0.02%+1,190New
55 North Private Wealth, LLC1,195$235.5K0.05%+1,195New
Jackson Thornton Asset Management, LLC1,195$235.5K0.02%+1,195New
Essential Partners LLC1,197$235.9K0.11%+93+8.4%Added
Knightsbridge Asset Management, LLC1,202$236.9K0.03%+1,202New
Dynamic Advisor Solutions LLC1,207$237.9K0.01%+1,207New
Arlington Capital Management, Inc.1,211$238.7K0.15%+1,211New
Resources Investment Advisors, LLC.1,214$239.3K0.00%+1,214New
Aaron Wealth Advisors1,219$240.3K0.01%+1,219New
Angeles Wealth Management, LLC1,220$240.5K0.01%+1,220New
Snowden Capital Advisors LLC1,230$242.4K0.01%+1,230New
Wilkerson Advisory Group LLC1,244$245.2K0.08%−230−15.6%Reduced
Massar Capital Management, LP1,261$248.5K0.09%+1,261New
Caxton Associates LLP1,264$249.1K0.00%+1,264New
Pitcairn Wealth Advisors LLC1,265$249.3K0.03%+1,265New
QRG Capital Management, Inc.1,270$250.4K0.00%+1,270New
Central Trust Co1,273$250.9K0.00%+1,207+1,828.8%Added
Ironwood Investment Counsel, LLC1,283$252.9K0.03%+1,283New
Bryant Woods Investment Advisors, LLC1,284$253.1K0.07%+1,284New
Greenleaf Trust1,286$253.5K0.00%+1,286New
44 Wealth Management LLC1,288$253.9K0.08%+1,288New
Cigna Investments Inc1,296$255.0K0.03%+1,296New
Sage Rhino Capital LLC1,307$257.6K0.04%+1,307New
RiverFront Investment Group, LLC1,322$260.6K0.00%+1,322New