Hudson Bay Capital Management
ATI icon

Hudson Bay Capital Management’s ATI ATI Stock Holding History

Hudson Bay Capital 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
Q2 		$10M Buy
50,919
+23,522
+86% +$3.99M 0.03% 363
2026
Q1 		$3.99M Sell
27,397
-64,499
-70% -$8.98M 0.01% 582
2025
Q4 		$10.5M Sell
91,896
-62,888
-41% -$6.13M 0.03% 332
2025
Q3 		$12.6M Sell
154,784
-52,019
-25% -$4.22M 0.04% 310
2025
Q2 		$17.9M Sell
206,803
-65,342
-24% -$4.47M 0.06% 236
2025
Q1 		$14.2M Buy
272,145
+70,532
+35% +$4M 0.04% 323
2024
Q4 		$11.1M Buy
+201,613
New +$11.9M 0.04% 345
2020
Q3 		– Sell
-65,300
Closed -$665K – 545
2020
Q2 		$665K Buy
+65,300
New +$566K 0.01% 399
2019
Q4 		– Sell
-179,795
Closed -$3.64M – 429
2019
Q3 		$3.64M Buy
+179,795
New +$3.8M 0.1% 191
2019
Q2 		– Sell
-157,335
Closed -$4.02M – 426
2019
Q1 		$4.02M Buy
+157,335
New +$4.14M 0.05% 322
2018
Q4 		– Sell
-164,096
Closed -$4.85M – 774
2018
Q3 		$4.85M Sell
164,096
-35,168
-18% -$946K 0.06% 298
2018
Q2 		$5.01M Buy
199,264
+114,244
+134% +$3.09M 0.07% 278
2018
Q1 		$2.01M Sell
85,020
-92,315
-52% -$2.48M 0.04% 449
2017
Q4 		$4.28M Buy
177,335
+9,917
+6% +$236K 0.09% 190
2017
Q3 		$4M Buy
+167,418
New +$3.31M 0.1% 172

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 $3.38T AUM 44.17% 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

Hudson Bay Capital Management's ATI Position: Q2 2026 in Review

Hudson Bay Capital Management increased its ATI (ATI) stake by 86% in Q2 2026, buying an estimated $3.99M and bringing the position to 50,919 shares worth $10M. The position accounts for 0.03% of the portfolio, ranked #363.

Hudson Bay Capital Management first reported a position in ATI in Q3 2017 and has held it in 15 quarters since. The position peaked at $17.9M in Q2 2025. 795 funds tracked by Wall St. Rank hold ATI as of Q2 2026.

  • Hudson Bay Capital Management held 50,919 shares of ATI worth $10M as of Q2 2026.
  • Hudson Bay Capital Management bought 23,522 ATI shares in Q2 2026, an estimated $3.99M.
  • ATI made up 0.03% of Hudson Bay Capital Management's portfolio in Q2 2026, its #363 holding.
  • Hudson Bay Capital Management first reported a position in ATI in Q3 2017 and has held it in 15 quarters since.
  • Hudson Bay Capital Management's ATI position peaked at $17.9M in Q2 2025.
  • 795 funds tracked by Wall St. Rank held ATI as of Q2 2026.

Based on Hudson Bay Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.