Historical position

George Soros’s Cabot Corp (CBT) 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 reportedQ1 2000Earliest verified positive filing snapshot
Latest statusHistorical positionBased on the latest supported relationship state
Peak shares150.00KHighest verified quarter-end share count
Quarters reported11Verified quarters with shares above zero
What happened?

Soros Fund Management first reported Cabot Corp in Q1 2000. The reported position was increased and reduced across later filings. Verified positive position history runs through Q1 2011. 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.

Q2 2011
Sold the entire position−9.10K shares · No shares reported at quarter-end
Q1 2011
Sold 85.9% of the position−55.30K shares · 9.10K shares remained
Filing context

Quarter-end price $46.26 · Estimated holding basis $36.61

Q4 2010
Bought 387.9% more+51.20K shares · 64.40K shares reported after the change
Filing context

Quarter-end price $37.66 · Estimated holding basis $36.61

Q4 2009
New position+13.00K shares · 13.00K shares reported
Filing context

Quarter-end price $26.23 · Estimated holding basis $26.23

Q2 2008
Sold the entire position−14.36K shares · No shares reported at quarter-end
Q1 2008
Bought 43.5% more+4.35K shares · 14.36K shares reported after the change
Filing context

Quarter-end price $28.00 · Estimated holding basis $31.75

3 unchanged quarters are collapsed by default.

Portfolio importance

How important was Cabot 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%Q1 2011
Last reported rank#380of 703 reported positions
Peak portfolio weight0.1%Q3 2001
Best historical rank#123Q3 2001
At peak importanceQ3 2001
CBT
0.1%
Largest holding
12.4%
Cross-investor discovery

Who else owns Cabot Corp?

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

Ray DalioBridgewater Associates, LP
CBT0.0% of reported portfolio
Joel GreenblattGotham Asset Management
CBT0.0% of reported portfolio
Explore Cabot 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$79.202026-09-15

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.