Holocene Advisors
ATI icon

Holocene Advisors’s ATI ATI Stock Holding History

Holocene Advisors’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 		$98.1M Sell
497,600
-599,988
-55% -$102M 0.22% 123
2026
Q1 		$160M Buy
1,097,588
+25,843
+2% +$3.6M 0.39% 70
2025
Q4 		$123M Sell
1,071,745
-462,369
-30% -$45.1M 0.26% 108
2025
Q3 		$125M Buy
1,534,114
+929,333
+154% +$75.3M 0.28% 94
2025
Q2 		$52.2M Buy
+604,781
New +$41.4M 0.13% 164
2025
Q1 		– Sell
-353,502
Closed -$19.5M – 743
2024
Q4 		$19.5M Buy
353,502
+70,612
+25% +$4.16M 0.06% 255
2024
Q3 		$18.9M Buy
+282,890
New +$17.6M 0.08% 204
2024
Q2 		– Sell
-42,463
Closed -$2.17M – 693
2024
Q1 		$2.17M Buy
+42,463
New +$1.92M 0.01% 566
2022
Q1 		– Sell
-167,529
Closed -$2.67M – 873
2021
Q4 		$2.67M Buy
+167,529
New +$2.69M 0.01% 455
2021
Q1 		– Sell
-40,587
Closed -$681K – 792
2020
Q4 		$681K Buy
+40,587
New +$516K ﹤0.01% 602
2020
Q1 		– Sell
-181,414
Closed -$3.75M – 666
2019
Q4 		$3.75M Buy
181,414
+64,743
+55% +$1.4M 0.03% 255
2019
Q3 		$2.36M Buy
116,671
+56,310
+93% +$1.19M 0.02% 269
2019
Q2 		$1.52M Buy
60,361
+28,478
+89% +$694K 0.02% 217
2019
Q1 		$815K Buy
31,883
+1,340
+4% +$35.3K 0.01% 297
2018
Q4 		$665K Sell
30,543
-575,730
-95% -$14.9M 0.01% 357
2018
Q3 		$17.9M Buy
+606,273
New +$16.3M 0.29% 90
2018
Q1 		– Sell
-448,335
Closed -$10.8M – 544
2017
Q4 		$10.8M Buy
+448,335
New +$10.7M 0.27% 81

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

Holocene Advisors's ATI Position: Q2 2026 in Review

Holocene Advisors reduced its ATI (ATI) stake by 55% in Q2 2026, selling an estimated $102M and leaving 497,600 shares worth $98.1M. The position accounts for 0.22% of the portfolio, ranked #123.

Holocene Advisors first reported a position in ATI in Q4 2017 and has held it in 17 quarters since. The position peaked at $160M in Q1 2026. 792 funds tracked by Wall St. Rank hold ATI as of Q2 2026.

  • Holocene Advisors held 497,600 shares of ATI worth $98.1M as of Q2 2026.
  • Holocene Advisors sold 599,988 ATI shares in Q2 2026, an estimated $102M.
  • ATI made up 0.22% of Holocene Advisors's portfolio in Q2 2026, its #123 holding.
  • Holocene Advisors first reported a position in ATI in Q4 2017 and has held it in 17 quarters since.
  • Holocene Advisors's ATI position peaked at $160M in Q1 2026.
  • 792 funds tracked by Wall St. Rank held ATI as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.