STIFEL NICOLAUS & CO INC \MO\ ATI — ALLEGHENY TECHNOLOGIES COM

Ownership history in STIFEL NICOLAUS & CO INC \MO\  ·  16 quarters on record

AI Ownership Summary

STIFEL NICOLAUS & CO INC \MO\ reported ALLEGHENY TECHNOLOGIES COM (ATI) in 16 quarterly 13F filings .

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this ATI ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was STIFEL NICOLAUS & CO INC \MO\'s position in ALLEGHENY TECHNOLOGIES COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
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See the most recent quarter where the fund disclosed this position.

High-water mark
Peak Conviction
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Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
16 quarters

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

ATI stock page STIFEL NICOLAUS & CO INC \MO\ fund profile STIFEL NICOLAUS & CO INC \MO\ full holdings
How STIFEL NICOLAUS & CO INC \MO\ held ATI — position size vs. price
% of Fund (quarterly)    ATI price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 0 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
16 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ATI

As of 2026 Q1 — sorted by position size

DENDUR CAPITAL LP 3Y 13.68% Square Wave Capital, LLC 12.89% FACT Capital, LP 3Y 9.97% Mountaineer Partners Management, LLC 3Y 7Y 6.63% H Squared Management LP 4.85% BOWEN HANES & CO INC 3Y 7Y 3.69% Expect Equity LLC 3.62% Candelo Capital Management LP 3.38% KLCM Advisors, Inc. 3Y 7Y 3.23% S SQUARED TECHNOLOGY, LLC 3Y 7Y 3.03%

FAQ About STIFEL NICOLAUS & CO INC \MO\ and ATI

These are the practical questions this page is built to answer before you even open the full history table.

How long has STIFEL NICOLAUS & CO INC \MO\ reported owning ATI?

STIFEL NICOLAUS & CO INC \MO\ reported ATI across 0 quarterly 13F filings.

What was the largest reported ATI position in STIFEL NICOLAUS & CO INC \MO\'s portfolio?

This page shows the quarter-by-quarter portfolio weight history for ATI in STIFEL NICOLAUS & CO INC \MO\.

What is the latest reported ATI position on this page?

The most recent filing on this page is 2013 Q3, when STIFEL NICOLAUS & CO INC \MO\ reported 930,057 shares, equal to 0.47% of portfolio, with an estimated market value of $28.4M.

What does the chart on this ATI ownership page compare?

The chart compares STIFEL NICOLAUS & CO INC \MO\'s quarterly ATI portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did STIFEL NICOLAUS & CO INC \MO\ time their ATI position?

Based on 13F filing dates vs. subsequent ATI price moves, STIFEL NICOLAUS & CO INC \MO\ correctly timed 9 out of 14 reported position changes (64%). The annualised alpha on ATI relative to SPY over the holding period was -17.3%.

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