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Picton Mahoney Asset Management’s ATI ATI Stock Holding History

Picton Mahoney Asset Management’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
2026
Q1 		$394K Sell
2,711
-639
-19% -$89K ﹤0.01% 788
2025
Q4 		$384K Buy
+3,350
New +$326K ﹤0.01% 696
2014
Q3 		– Sell
-116,200
Closed -$5.24K – 310
2014
Q2 		$5.24K Buy
+116,200
New +$4.76M 0.31% 101
2014
Q1 		– Sell
-118,900
Closed -$4.24M – 336
2013
Q4 		$4.24M Buy
+118,900
New +$3.91M 0.25% 113

Other funds holding ATI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
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
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

Picton Mahoney Asset Management's ATI Position: Q1 2026 in Review

Picton Mahoney Asset Management reduced its ATI (ATI) stake by 19% in Q1 2026, selling an estimated $89K and leaving 2,711 shares worth $394K. The position accounts for ﹤0.01% of the portfolio, ranked #788.

Picton Mahoney Asset Management first reported a position in ATI in Q4 2013 and has held it in 4 quarters since. The position peaked at $4.24M in Q4 2013. 674 funds tracked by Wall St. Rank hold ATI as of Q1 2026.

  • Picton Mahoney Asset Management held 2,711 shares of ATI worth $394K as of Q1 2026.
  • Picton Mahoney Asset Management sold 639 ATI shares in Q1 2026, an estimated $89K.
  • ATI made up ﹤0.01% of Picton Mahoney Asset Management's portfolio in Q1 2026, its #788 holding.
  • Picton Mahoney Asset Management first reported a position in ATI in Q4 2013 and has held it in 4 quarters since.
  • Picton Mahoney Asset Management's ATI position peaked at $4.24M in Q4 2013.
  • 674 funds tracked by Wall St. Rank held ATI as of Q1 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2026, filed 13 May 2026.