ATI — ALLEGHENY TECHNOLOGIES INC

Ownership history in CSS LLC/IL  ·  5 quarters on record

This page tracks every 13F SEC filing in which CSS LLC/IL reported a position in ALLEGHENY TECHNOLOGIES INC (ATI). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.05% (2020 Q2)
Avg. % of fund
0.02%
First filed
2016 Q3
Last filed
2025 Q3
Quarters held
5
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 5,000 +100 +2.0% 0.02% $407K $81.34
2023 Q2 REDUCED 4,900 -82,100 -94.4% 0.01% $217K $44.23
2020 Q2 ADDED 87,000 +75,322 +645.0% 0.05% $887K $10.19
2016 Q4 ADDED 11,678 +5,678 +94.6% 0.01% $186K $15.93
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% of Fund (quarterly)    ATI price (monthly, adj. close)

Other funds also holding ATI

As of 2025 Q4 — sorted by position size

DENDUR CAPITAL LP 3Y 23.25% Mountaineer Partners Management, LLC 3Y 7Y 8.28% FACT Capital, LP 3Y 6.62% Candelo Capital Management LP 6.49% TRAN CAPITAL MANAGEMENT, L.P. 3Y 7Y 4.84% Saraza Management, LP 3Y 4.54% S Squared Technology, LLC 3Y 7Y 3.56% BOWEN HANES & CO INC 3Y 7Y 3.39% KLCM Advisors, Inc. 3Y 7Y 3.18% Sapience Investments, LLC 3Y 7Y 2.55%
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