Prelude Capital Management’s ATI ATI Stock Holding History

Prelude 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
2019 Q4	–	Sell	-600	Closed	-$12K	–	1906
2019 Q3	$12K	Sell	600 -1,100	-65%	-$23.3K	﹤0.01%	1467
2019 Q2	$43K	Hold	1,700	–	–	﹤0.01%	1148
2019 Q1	$43K	Buy	1,700 +1,400	+467%	+$36.9K	﹤0.01%	1159
2018 Q4	$7K	Buy	+300	New	+$7.78K	﹤0.01%	1445
2017 Q3	–	Sell	-1,200	Closed	-$20K	–	1608
2017 Q2	$20K	Buy	+1,200	New	+$20.2K	﹤0.01%	1253

Other funds holding ATI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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 Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

Prelude Capital Management's ATI Position: Q1 2026 in Review

Prelude Capital Management opened a new position in ATI (ATI) in Q1 2026: 1,427 shares worth $208K. The stake represents 0.02% of the portfolio and ranks #900 among its holdings. This is a return to the name: Prelude Capital Management previously reported a position in ATI as recently as Q3 2025.

Prelude Capital Management first reported a position in ATI in Q3 2013 and has held it in 15 quarters since. The position peaked at $1.97M in Q1 2022. 673 funds tracked by Wall St. Rank hold ATI as of Q1 2026.

Prelude Capital Management held 1,427 shares of ATI worth $208K as of Q1 2026.
ATI was a new Prelude Capital Management position in Q1 2026.
ATI made up 0.02% of Prelude Capital Management's portfolio in Q1 2026, its #900 holding.
Prelude Capital Management first reported a position in ATI in Q3 2013 and has held it in 15 quarters since.
Prelude Capital Management's ATI position peaked at $1.97M in Q1 2022.
673 funds tracked by Wall St. Rank held ATI as of Q1 2026.

Based on Prelude Capital Management's 13F filing for Q1 2026, filed 15 May 2026.