KI
ATI icon

Keystone Investors’s ATI ATI Stock Holding History

Keystone Investors’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
2025
Q4 		$3.83M Sell
33,415
-227,865
-87% -$22.2M 0.34% 45
2025
Q3 		$21.3M Buy
261,280
+144,441
+124% +$11.7M 2.46% 13
2025
Q2 		$10.1M Buy
+116,839
New +$8M 2.08% 12

Other funds holding ATI

Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Keystone Investors's ATI Position: Q4 2025 in Review

Keystone Investors reduced its ATI (ATI) stake by 87% in Q4 2025, selling an estimated $22.2M and leaving 33,415 shares worth $3.83M. The position accounts for 0.34% of the portfolio, ranked #45.

Keystone Investors first reported a position in ATI in Q2 2025 and has held it in 3 quarters since. The position peaked at $21.3M in Q3 2025. 570 funds tracked by Wall St. Rank hold ATI as of Q4 2025.

  • Keystone Investors held 33,415 shares of ATI worth $3.83M as of Q4 2025.
  • Keystone Investors sold 227,865 ATI shares in Q4 2025, an estimated $22.2M.
  • ATI made up 0.34% of Keystone Investors's portfolio in Q4 2025, its #45 holding.
  • Keystone Investors first reported a position in ATI in Q2 2025 and has held it in 3 quarters since.
  • Keystone Investors's ATI position peaked at $21.3M in Q3 2025.
  • 570 funds tracked by Wall St. Rank held ATI as of Q4 2025.

Based on Keystone Investors's 13F filing for Q4 2025, filed 13 Feb 2026.