Historical position

George Soros’s Kaiser Aluminum Corp (KALU) position

Reported position history, portfolio importance and verified filing changes from public SEC disclosures.

Soros Fund ManagementVerified through Q2 2026
Relationship snapshot

At a glance

The full verified relationship, including prior ownership episodes and exits where supported.

First reportedQ3 2007Earliest verified positive filing snapshot
Latest statusHistorical positionBased on the latest supported relationship state
Peak shares3.35KHighest verified quarter-end share count
Quarters reported1Verified quarters with shares above zero
What happened?

Soros Fund Management first reported Kaiser Aluminum Corp in Q3 2007. Verified positive position history runs through Q3 2007. The current relationship status cannot be determined reliably from supported data.

Verified SEC history

Position over time

See the same verified relationship through reported shares, portfolio weight or reported value.

Metric

Gaps indicate periods that cannot be safely connected or where a verified corporate action changes the raw share scale. Stock price, when available, is market context and not a transaction price.

Key filing events

What changed

Latest filing plus the most meaningful reported changes. Unchanged quarters are collapsed by default.

Q4 2007
Sold the entire position−3.35K shares · No shares reported at quarter-end
Q3 2007
New position+3.35K shares · 3.35K shares reported
Filing context

Quarter-end price $70.51

Portfolio importance

How important was Kaiser Aluminum Corp in Soros Fund Management’s reported portfolio?

Relative importance is measured only within the verified primary non-option reported portfolio for each quarter.

Last reported portfolio weight0.0%Q3 2007
Last reported rank#447of 614 reported positions
Peak portfolio weight0.0%Q3 2007
Best historical rank#447Q3 2007
At peak importanceQ3 2007
KALU
0.0%
Largest holding
18.9%
Cross-investor discovery

Who else owns Kaiser Aluminum Corp?

Also reported by 2 other tracked investors in their latest verified filings.

Explore Kaiser Aluminum Corp across all tracked investors →
SEC evidence & methodology

SEC filing evidence

Market context and filing-derived values are kept separate from actual transaction prices, which 13F filings do not disclose.

Latest verified stock price$152.382026-09-16

Market context only; not an investor transaction price.

Latest verified investor filingQ2 2026 · filed 2026-08-14
Open SEC filing ↗

This tracker follows Soros Fund Management LLC’s Form 13F disclosures—not George Soros’s personal brokerage account. George Soros founded the firm; its current CEO and chief investment officer is Dawn Fitzpatrick. Form 13F does not reveal exact trade dates, execution prices or the purpose of an option position.