Q
QuantAbundance
Hedge Fund

Two Sigma Investments

John Overdeck and David Siegel

The quantitative firm John Overdeck and David Siegel founded in 2001. Like other quants, its 13F-HR is a long, model-driven list that moves quarter to quarter.

CIK 0001179392www.twosigma.com ↗
Filing13F-HR
Period2026-06-30
Disclosed$138.1B
Positions3963
Shown30 (18.2%)
SourceEDGAR

Teardown dossiers on these holdings

Included in Pro

The teardown in writing, the SEC filings in one table, peers and the level map, one read per name.

Top holdings

ranked by weight

Frequently asked questions

What stocks does Two Sigma Investments hold?
Two Sigma Investments (John Overdeck and David Siegel) discloses 30 positions as of 2026-06-30. Top by weight: AMZN (0.99%), NVDA (0.91%), AAPL (0.87%), TSLA (0.87%), BRKB (0.82%).
What is Two Sigma Investments's largest position?
AMZN (Amazon.com, Inc.) is Two Sigma Investments's largest disclosed position at 0.99% of the portfolio - $1.4B.
When did Two Sigma Investments last file?
Two Sigma Investments's most recent disclosed filing is 13F-HR for period 2026-06-30 (3963 positions total).
Who is Two Sigma Investments?
The quantitative firm John Overdeck and David Siegel founded in 2001. Like other quants, its 13F-HR is a long, model-driven list that moves quarter to quarter.
Two Sigma Investments 13F Holdings Q2 2026 · QuantAbundance