WINSLOW ASSET MANAGEMENT INC KALU — KAISER ALUMINUM CORP

Ownership history in WINSLOW ASSET MANAGEMENT INC  ·  89 quarters on record

AI Ownership Summary

WINSLOW ASSET MANAGEMENT INC reported KAISER ALUMINUM CORP (KALU) in 89 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.73% in 2026 Q1. The latest visible filing shows KALU at 1.73% of the fund.

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 KALU ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was WINSLOW ASSET MANAGEMENT INC's position in KAISER ALUMINUM CORP, 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
2026 Q1

KALU was reported at 1.73% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.73% in 2026 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

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.

KALU stock page WINSLOW ASSET MANAGEMENT INC fund profile WINSLOW ASSET MANAGEMENT INC full holdings
How WINSLOW ASSET MANAGEMENT INC held KALU — position size vs. price
% of Fund (quarterly)    KALU price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 74,003 -1,786 -2.4% 1.73% $9K 2026-05-05 $175.92
2025 Q4 REDUCED — — — 75,789 -86 -0.1% 1.61% $8.7M 2026-02-02 $131.25
2025 Q3 ADDED — — — 75,875 +145 +0.2% 1.10% $5.9M 2025-11-06 $90.76
2025 Q2 ADDED — — — 75,730 +1,079 +1.4% 1.22% $6.1M 2025-08-13 $75.37
2025 Q1 ADDED — — — 74,651 +44 +0.1% 1.00% $4.5M 2025-05-02 $67.27
2024 Q4 REDUCED — — — 74,607 -1,989 -2.6% 1.04% $5.2M 2025-02-06 $68.67
2024 Q3 REDUCED 5.9% -2.4% ✅ 76,596 -4,826 -5.9% 1.03% $5.6M 2024-11-04 $73.55
2024 Q2 REDUCED — — — 81,422 -1,080 -1.3% 1.41% $7.2M 2024-08-09 $63.96
2024 Q1 ADDED — — — 82,502 +714 +0.9% 1.39% $7.4M 2024-05-02 $87.91
2023 Q4 ADDED — — — 81,788 +2,452 +3.1% 1.18% $5.8M 2024-02-16 $61.04
79 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding KALU

As of 2026 Q1 — sorted by position size

BRIGHTLINE CAPITAL MANAGEMENT, LLC 3Y 7Y 6.24% Tributary Capital Management, LLC 3Y 7Y 2.06% 1492 Capital Management LLC 3Y 7Y 1.99% ICON ADVISERS INC/CO 3Y 7Y 1.29% SYSTEMATIC FINANCIAL MANAGEMENT LP 3Y 7Y 0.67% VARCOV Co. 0.61% THIRD AVENUE MANAGEMENT LLC 3Y 7Y 0.58% NFJ INVESTMENT GROUP, LLC 3Y 0.56% Covalis Capital LLP 3Y 7Y 0.52% Oliver Luxxe Assets LLC 3Y 7Y 0.39%

FAQ About WINSLOW ASSET MANAGEMENT INC and KALU

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

How long has WINSLOW ASSET MANAGEMENT INC reported owning KALU?

WINSLOW ASSET MANAGEMENT INC reported KALU across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported KALU position in WINSLOW ASSET MANAGEMENT INC's portfolio?

The largest reported portfolio weight for KALU was 1.73% in 2026 Q1.

What is the latest reported KALU position on this page?

The most recent filing on this page is 2026 Q1, when WINSLOW ASSET MANAGEMENT INC reported 74,003 shares, equal to 1.73% of portfolio, with an estimated market value of $9K.

What does the chart on this KALU ownership page compare?

The chart compares WINSLOW ASSET MANAGEMENT INC's quarterly KALU 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 WINSLOW ASSET MANAGEMENT INC time their KALU position?

Based on 13F filing dates vs. subsequent KALU price moves, WINSLOW ASSET MANAGEMENT INC correctly timed 29 out of 51 reported position changes (57%).

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