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ATI Ownership | Who Owns ATI?

OverviewForecastRevenueFinancialsChartTranscripts

ATI Ownership Summary

ATI is owned by 95.75% institutional investors, 0.93% insiders, and 3.31% retail investors. Capital investors is the largest institutional shareholder, holding 11.95% of ATI shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.39% of its assets in ATI shares.

ATI Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockATI95.75%0.93%3.31%
SectorIndustrials Stocks 51.27%12.89%35.85%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Capital investors16.71M11.95%$1.44B
Vanguard group15.34M11.92%$844.06M
Blackrock15.54M10.87%$861.91M
Blackrock funding, inc. /de14.95M10.69%$1.29B
Fmr6.62M5.15%$364.47M
Capital world investors6.82M4.88%$588.87M
State street5.97M4.64%$328.62M
Invesco4.70M3.65%$258.50M
Ameriprise financial3.16M2.45%$173.68M
Capital research global investors3.22M2.31%$278.44M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Dendur capital lp3.17M24.64%$274.13M
Mountaineer partners management182.67K7.36%$10.05M
Candelo capital management lp80.27K6.28%$6.93M
Jones road capital management99.88K3.65%$8.62M
Klcm advisors345.26K3.17%$29.81M
Palestra capital management1.06M2.67%$91.72M
Roubaix capital60.63K2.51%$5.24M
Senator investment group lp750.00K2.50%$64.75M
Keystone investors pte116.84K2.08%$10.09M
Bowen hanes1.37M2.02%$75.24M

Top Buyers

HolderShares% AssetsChange
Capital research global investors3.22M0.06%2.62M
Vanguard group15.34M0.01%2.02M
Blackrock funding, inc. /de14.95M0.02%1.83M
Norges bank1.55M0.01%1.55M
Palestra capital management1.06M2.67%1.06M

Top Sellers

HolderShares% AssetsChange
Blackrock15.54M0.02%-4.54M
Fmr6.62M0.02%-2.66M
Millennium management99.94K0.00%-1.50M
Federated hermes429.55K0.05%-1.36M
Driehaus capital management---816.69K

New Positions

HolderShares% AssetsChangeValue
Norges bank1.55M0.01%1.55M$85.05M
Palestra capital management1.06M2.67%1.06M$91.72M
Fuller & thaler asset management911.11K0.29%911.11K$78.67M
Castle hook partners lp744.65K0.37%744.65K$64.29M
Scout investments444.31K0.66%444.31K$24.64M

Sold Out

HolderChange
Mather group, llc.-1.00
Tfo-tdc-4.00
Cornerstone planning group-6.00
Claris advisors, llc / mo /-6.00
Td waterhouse canada-7.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 202548311.03%133,865,1931.60%950.94%240-2.04%17746.28%
Mar 31, 20254325.11%132,561,794-2.84%1010.90%24413.49%119-8.46%
Dec 31, 2024402-7.37%136,041,2613.73%1051.02%2104.48%127-20.13%
Sep 30, 20244313.61%131,137,187-0.86%1010.90%200-3.85%1593.92%
Jun 30, 202441014.85%132,191,807-0.89%921.06%20422.16%15223.58%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
iShares Core S&P Small-Cap ETF9.09M6.39%-1.90K
American Funds Growth Fund of Amer A5.98M4.24%-
Capital Group Growth Fnd of Amer Comp5.98M4.24%-
iShares Core S&P Mid-Cap ETF4.60M3.34%-8.25K
Vanguard Total Stock Mkt Idx Inv4.54M3.29%-27.00K
American Funds SMALLCAP World A4.59M3.25%2.30M
Vanguard US Total Market Shares ETF3.96M2.81%2.99K
American Funds IS® Asset Allocation 13.76M2.67%-
American Funds AMCAP A3.73M2.65%-
Capital Group AMCAP Composite3.73M2.65%-

Recent Insider Transactions

DateNameRoleActivityValue
Aug 04, 2025Morehouse David J-Sell$15.26K
Aug 04, 2025Morehouse David J-Sell$583.66K
Aug 05, 2025WETHERBEE ROBERT S Executive ChairmanSell$543.67K
Aug 05, 2025WETHERBEE ROBERT S Executive ChairmanSell$3.04M
Aug 05, 2025WETHERBEE ROBERT S Executive ChairmanSell$152.43K

Insider Transactions Trends

DateBuySell
2025 Q3-5
2025 Q2-9
2025 Q1-1
2024 Q4-4
2024 Q3-1

ATI Ownership FAQ

Who owns the most shares of ATI?

ATI’s largest shareholders are Capital investors (16.71M shares, 11.95%), Vanguard group (15.34M shares, 11.92%), and Blackrock (15.54M shares, 10.87%). Together, they hold 34.74% of ATI’s total shares outstanding.

Does Blackrock own ATI?

Yes, BlackRock owns 10.87% of ATI, totaling 15.54M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 861.91M$. In the last quarter, BlackRock decreased its holdings by -4.538M shares, a -22.60% change.

Who is ATI’s biggest shareholder by percentage of total assets invested?

Dendur capital lp is ATI’s biggest shareholder by percentage of total assets invested, with 24.64% of its assets in 3.18M ATI shares, valued at 274.13M$.

Who is the top mutual fund holder of ATI shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of ATI shares, with 6.39% of its total shares outstanding invested in 9.09M ATI shares.

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