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Livermore
Livermore
ZHEN

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, Q1 2026

Institutional positions in Ati Inc as of Mar 31, 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
678
+116 vs. Q4 2025
Shares held
127.4M
+13.8M (+12.2%) vs. Q4 2025
Total value
$18.5B
+$5.46B (+41.9%) vs. Q4 2025
New holders
167
246 more added
Sold out
51
189 more reduced

8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 678 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 heldQ1 2026: $18.5B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q4 2025.

Institutions holding ATI in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Leonteq Securities AG1$1450.00%−203−99.5%Reduced
ROSS\JOHNSON & Associates LLC1$1450.00%00.0%Unchanged
Hughes Financial Services, LLC1$1450.00%+1New
Kilter Group LLC1$1460.00%−2−66.7%Reduced
Sunbelt Securities, Inc.2$2910.00%00.0%Unchanged
Principia Wealth Advisory, LLC2$2910.00%00.0%Unchanged
MV Capital Management, Inc.2$2910.00%+1+100.0%Added
Murphy & Mullick Capital Management Corp3$4360.00%00.0%Unchanged
Curio Wealth, LLC3$4360.00%+3New
Godfrey Financial Associates, Inc.3$4360.00%+3New
American Capital Advisory, LLC4$5820.00%+3+300.0%Added
Geneos Wealth Management Inc.4$5820.00%+4New
Intentional Wealth Strategies, LLC4$5820.00%+4New
Harvest Fund Management Co., Ltd6$1.00K0.00%00.0%Unchanged
Stone House Investment Management, LLC7$1.02K0.00%00.0%Unchanged
HFM Investment Advisors, LLC9$1.31K0.00%+1+12.5%Added
Creative Financial Designs Inc9$1.31K0.00%+9New
Morse Asset Management, Inc10$1.46K0.00%00.0%Unchanged
Bogart Wealth, LLC10$1.46K0.00%+5+100.0%Added
Vermillion Wealth Management, Inc.10$1.46K0.00%+10New
Leo H. Evart, Inc.10$1.46K0.00%+10New
Clarity Asset Management, Inc.11$1.58K0.00%+11New
DecisionPoint Financial, LLC11$1.60K0.00%00.0%Unchanged
First Horizon Corp12$1.75K0.00%00.0%Unchanged
Brown, Lisle/Cummings, Inc.12$1.75K0.00%+12New
NBC Securities, Inc.13$1.89K0.00%+13New
Torren Management, LLC13$1.89K0.00%−441−97.1%Reduced
CX Institutional16$2.00K0.00%+16New
Cromwell Holdings LLC14$2.04K0.00%00.0%Unchanged
Rialto Wealth Management, LLC14$2.04K0.00%+2+16.7%Added
Dunhill Financial, LLC15$2.21K0.00%+13+650.0%Added
South State Corp.16$2.33K0.00%+5+45.5%Added
IMA Wealth, Inc.17$2.47K0.00%+17New
Marquette Asset Management, LLC17$2.47K0.00%+17New
Valued Wealth Advisors LLC20$2.91K0.00%+17+566.7%Added
New England Capital Financial Advisors LLC20$2.91K0.00%+20New
Bay Harbor Wealth Management, LLC23$3.35K0.00%+12+109.1%Added
Cornerstone Planning Group LLC22$3.42K0.00%+22New
Annis Gardner Whiting Capital Advisors, LLC24$3.49K0.00%+1+4.3%Added
Cornerstone Financial Management LLC27$3.93K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.27$3.93K0.00%+3+12.5%Added
JPL Wealth Management, LLC29$4.22K0.00%+29New
Transamerica Financial Advisors, Inc.31$4.51K0.00%+29+1,450.0%Added
Legacy Wealth Managment, LLC32$4.66K0.00%+32New
Bell Investment Advisors, Inc33$4.80K0.00%00.0%Unchanged
Clearstead Advisors, LLC34$4.95K0.00%−564−94.3%Reduced
Sachetta, LLC34$4.95K0.00%+34New
MCF Advisors LLC36$5.24K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC38$6.00K0.00%00.0%Unchanged
Golden State Equity Partners42$6.11K0.00%+42New
LRI Investments, LLC42$6.11K0.00%+42New
Newbridge Financial Services Group, Inc.46$6.69K0.00%−874−95.0%Reduced
Elequin Capital LP46$6.69K0.00%+46New
Longview Financial Advisors, Inc.48$6.98K0.00%+48New
Lodestone Wealth Management LLC49$7.13K0.00%00.0%Unchanged
Caldwell Sutter Capital, Inc.50$7.27K0.00%00.0%Unchanged
Financial Consulate, Inc50$7.27K0.00%00.0%Unchanged
Salomon & Ludwin, LLC53$7.77K0.00%00.0%Unchanged
Silicon Valley Capital Partners54$7.86K0.00%+54New
Adirondack Trust Co66$9.60K0.00%00.0%Unchanged
Raffa Wealth Management, LLC66$9.60K0.00%+66New
United Financial Planning Group LLC66$9.60K0.01%+66New
Private Wealth Management Group, LLC66$9.60K0.00%−36−35.3%Reduced
Central Trust Co66$9.60K0.00%00.0%Unchanged
Rossby Financial, LCC67$10.1K0.00%+16+31.4%Added
Moisand Fitzgerald Tamayo, LLC70$10.2K0.00%00.0%Unchanged
Quent Capital, LLC71$10.3K0.00%+2+2.9%Added
Covestor Ltd78$11.0K0.01%−1,893−96.0%Reduced
Bare Financial Services, Inc80$11.6K0.00%−8−9.1%Reduced
Wall Street Financial Group, Inc.87$12.7K0.01%+87New
Larson Financial Group LLC91$13.2K0.00%+11+13.8%Added
Wealth Preservation Advisors, LLC101$14.7K0.01%+101New
Fortitude Family Office, LLC107$15.6K0.00%+78+269.0%Added
Chilton Capital Management LLC109$15.9K0.00%+109New
First Command Advisory Services, Inc.110$16.0K0.00%+110New
TFC Financial Management118$17.2K0.00%00.0%Unchanged
Pinnacle Bancorp, Inc.128$18.6K0.01%+94+276.5%Added
Twin Peaks Wealth Advisors, LLC131$19.1K0.00%+131New
Ronald Blue Trust, Inc.132$19.2K0.00%+9+7.3%Added
Global X Japan Co., Ltd.133$19.3K0.00%−3−2.2%Reduced
McGuire Capital Advisors Inc136$19.8K0.01%00.0%Unchanged
Zions Bancorporation, National Association149$21.7K0.00%+37+33.0%Added
Assetmark, Inc152$22.1K0.00%−333−68.7%Reduced
Kemnay Advisory Services Inc.155$22.5K0.00%−965−86.2%Reduced
GHP Investment Advisors, Inc.155$22.5K0.00%+4+2.6%Added
Private Trust Co NA160$23.3K0.00%+160New
Contravisory Investment Management, Inc.162$23.6K0.00%−23−12.4%Reduced
Blue Bell Private Wealth Management, LLC175$25.5K0.00%+42+31.6%Added
CVA Family Office, LLC175$25.5K0.00%+175New
Ancora Advisors, LLC178$25.9K0.00%00.0%Unchanged
Signature Equity Partners, LLC182$26.5K0.01%+123+208.5%Added
Colonial Trust Co187$27.2K0.00%+187New
SJS Investment Consulting Inc.197$28.7K0.00%+25+14.5%Added
Mather Group, LLC.200$29.1K0.00%+200New
Triumph Capital Management259$37.7K0.01%+259New
True Wealth Design, LLC262$38.1K0.01%+2+0.8%Added
RWM Asset Management, LLC265$38.5K0.00%+265New
UMA Financial Services, Inc.278$40.4K0.01%00.0%Unchanged
Golden State Wealth Management, LLC292$42.5K0.00%00.0%Unchanged
EFG International AG299$43.5K0.00%+299New