Wellington Management Group
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Wellington Management Group’s ATI ATI Stock Holding History

Wellington Management Group’s Portfolio ATI Stock Details ATI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2018
Q1 		– Sell
-903
Closed -$591K – 2194
2017
Q4 		$591K Buy
903
+8
+0.9% +$190 ﹤0.01% 2010
2017
Q3 		$604K Buy
+895
New +$17.7K ﹤0.01% 2006

Other funds holding ATI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Wellington Management Group's ATI Position: Q2 2026 in Review

Wellington Management Group increased its ATI (ATI) stake by 7.5% in Q2 2026, buying an estimated $959K and bringing the position to 81,401 shares worth $16M. The position accounts for ﹤0.01% of the portfolio, ranked #1155.

Wellington Management Group first reported a position in ATI in Q2 2013 and has held it in 49 quarters since. The position peaked at $152M in Q1 2014. 793 funds tracked by Wall St. Rank hold ATI as of Q2 2026.

  • Wellington Management Group held 81,401 shares of ATI worth $16M as of Q2 2026.
  • Wellington Management Group bought 5,656 ATI shares in Q2 2026, an estimated $959K.
  • ATI made up ﹤0.01% of Wellington Management Group's portfolio in Q2 2026, its #1155 holding.
  • Wellington Management Group first reported a position in ATI in Q2 2013 and has held it in 49 quarters since.
  • Wellington Management Group's ATI position peaked at $152M in Q1 2014.
  • 793 funds tracked by Wall St. Rank held ATI as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.