ATI Ownership | Who Owns ATI?


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ATI Ownership Summary


ATI is owned by 101.89% institutional investors, 0.97% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 13.86% of ATI shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.43% of its assets in ATI shares.

ATI Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockATI101.89%0.97%-2.86%
SectorIndustrials Stocks 64.11%10.54%25.36%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de17.84M13.86%$981.82M
Blackrock15.54M10.87%$861.91M
Capital investors15.10M10.56%$837.36M
Vanguard group13.23M9.25%$733.46M
Fmr7.26M5.08%$402.61M
State street5.72M4.00%$317.01M
Invesco4.45M3.11%$246.51M
Ameriprise financial3.65M2.55%$202.33M
Frontier capital management3.13M2.19%$173.68M
Capital world investors2.87M2.01%$159.08M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Mountaineer partners management209.07K6.03%$11.59M
Tradelink capital5.07K2.75%$279.00K
Klcm advisors414.58K2.65%$22.82M
Channing capital management1.67M2.46%$92.16M
Senator investment group lp891.14K2.41%$49.41M
Appian way asset management lp162.78K2.31%$9.03M
Northrock partners432.99K2.15%$24.01M
Bowen hanes1.37M2.02%$75.24M
Sapience investments67.99K1.93%$3.77M
Graphene investments sas47.10K1.79%$2.59M

Top Buyers

HolderShares% AssetsChange
Blackrock funding, inc. /de17.84M0.02%1.98M
Norges bank1.56M0.01%1.56M
Fmr7.26M0.03%1.53M
Invesco4.45M0.05%1.43M
Jane street group1.13M0.01%1.02M

Top Sellers

HolderShares% AssetsChange
Alliancebernstein456.62K0.01%-4.79M
Blackrock15.54M0.02%-4.54M
Vanguard group13.23M0.01%-1.11M
Mirae asset global investments21.64K0.01%-876.32K
Geode capital management1.95M0.01%-822.61K

New Positions

HolderShares% AssetsChangeValue
Norges bank1.56M0.01%1.56M$86.25M
Mirae asset global etfs1.00M0.13%1.00M$55.68M
Raymond james financial802.23K0.02%802.23K$44.15M
Fuller & thaler asset management559.22K0.13%559.22K$31.01M
Scout investments444.31K0.66%444.31K$24.64M

Sold Out

HolderChange
Tfo-tdc-4.00
Claris advisors, llc / mo /-6.00
Mendota financial group-9.00
Concord wealth partners-30.00
Corecap advisors-30.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
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%
Mar 31, 2024357-133,375,781-0.54%930.84%1673.73%123-
Dec 31, 20233571.13%134,102,2961.74%1051.00%16111.81%123-6.82%
Sep 30, 20233532.32%131,802,562-2.00%1020.94%1444.35%1322.33%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
iShares Core S&P Small-Cap ETF9.17M6.43%20.73K
Capital Group Growth Fnd of Amer Comp5.99M4.20%-
American Funds Growth Fund of Amer A5.99M4.20%-
Vanguard Total Stock Mkt Idx Inv4.47M3.14%546.72K
American Funds IS® Asset Allocation 13.76M2.64%816.88K
Vanguard Small Cap Index3.63M2.55%491.87K
Capital Group AMCAP Composite3.50M2.46%172.18K
American Funds AMCAP A3.50M2.46%172.18K
VA CollegeAmerica Amcap 529A3.50M2.46%172.18K
American Funds American Balanced A2.27M1.59%2.27M

Recent Insider Transactions


DateNameRoleActivityValue
Feb 06, 2025Busch Tina Killough SVP, CHROSell$657.46K
Dec 04, 2024WETHERBEE ROBERT S Executive ChairmanSell$1.47M
Dec 04, 2024Busch Tina Killough SVP, CHROSell$155.92K
Nov 15, 2024WETHERBEE ROBERT S Executive ChairmanSell$1.41M
Oct 15, 2024WETHERBEE ROBERT S Executive ChairmanSell$1.56M

Insider Transactions Trends


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

ATI Ownership FAQ


Who owns the most shares of ATI?

ATI’s largest shareholders are Blackrock funding, inc. /de (17.84M shares, 13.86%), Blackrock (15.54M shares, 10.87%), and Capital investors (15.1M shares, 10.56%). Together, they hold 35.29% 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?

Mountaineer partners management is ATI’s biggest shareholder by percentage of total assets invested, with 6.03% of its assets in 209.07K ATI shares, valued at 11.59M$.

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 6.43% of its total shares outstanding invested in 9.17M ATI shares.

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