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PDT Partners’s ATI ATI Stock Holding History

PDT Partners’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
Q3 		– Sell
-61,173
Closed -$5.28M – 579
2025
Q2 		$5.28M Sell
61,173
-37,189
-38% -$2.55M 0.3% 94
2025
Q1 		$5.12M Buy
98,362
+13,100
+15% +$744K 0.36% 67
2024
Q4 		$4.69M Sell
85,262
-1,213
-1% -$71.5K 0.42% 41
2024
Q3 		$5.79M Buy
86,475
+991
+1% +$61.5K 0.51% 16
2024
Q2 		$4.74M Buy
85,484
+50,274
+143% +$2.82M 0.45% 34
2024
Q1 		$1.8M Buy
+35,210
New +$1.59M 0.17% 213
2023
Q4 		– Sell
-96,481
Closed -$3.97M – 543
2023
Q3 		$3.97M Sell
96,481
-2,788
-3% -$124K 0.5% 31
2023
Q2 		$4.39M Sell
99,269
-2,800
-3% -$107K 0.6% 18
2023
Q1 		$4.03M Sell
102,069
-206
-0.2% -$7.78K 0.55% 18
2022
Q4 		$3.05M Sell
102,275
-20,539
-17% -$601K 0.49% 28
2022
Q3 		$3.27M Sell
122,814
-36,753
-23% -$1.02M 0.49% 13
2022
Q2 		$3.62M Buy
+159,567
New +$4.21M 0.32% 53
2020
Q3 		– Sell
-47,807
Closed -$487K – 718
2020
Q2 		$487K Sell
47,807
-15,993
-25% -$139K 0.03% 418
2020
Q1 		$542K Buy
63,800
+41,255
+183% +$659K 0.04% 351
2019
Q4 		$466K Buy
+22,545
New +$489K 0.03% 435
2015
Q4 		– Sell
-108,037
Closed -$1.53M – 431
2015
Q3 		$1.53M Buy
108,037
+68,959
+176% +$1.43M 0.03% 565
2015
Q2 		$1.18M Buy
+39,078
New +$1.29M 0.03% 692
2013
Q3 		– Sell
-15,400
Closed -$405K – 1489
2013
Q2 		$405K Buy
+15,400
New +$434K 0.01% 1150

Other funds holding ATI

Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
DC
Dendur Capital New York $1.9B AUM 46.69% 1-Year Est. Return

PDT Partners's ATI Position: Q3 2025 in Review

PDT Partners sold out of ATI (ATI) in Q3 2025, closing a stake of 61,173 shares — an estimated $5.28M sold.

PDT Partners first reported a position in ATI in Q2 2013 and held it in 18 quarters. The position peaked at $5.79M in Q3 2024. 470 funds tracked by Wall St. Rank hold ATI as of Q3 2025.

  • PDT Partners reported no remaining ATI position as of Q3 2025 after selling out during the quarter.
  • PDT Partners sold 61,173 ATI shares in Q3 2025, an estimated $5.28M.
  • PDT Partners first reported a position in ATI in Q2 2013 and held it in 18 quarters.
  • PDT Partners's ATI position peaked at $5.79M in Q3 2024.
  • 470 funds tracked by Wall St. Rank held ATI as of Q3 2025.

Based on PDT Partners's 13F filing for Q3 2025, filed 17 Nov 2025.