Two Sigma Investments

Hedge Fund SEC-registered adviser

Legal name: Two Sigma Investments, LP

New York, NY Website LinkedIn X

AUM

$232.8B
Regulatory AUM

Private funds

62
Hedge Fund 62

Private fund assets

$263.6B
Gross asset value

Employees

1,555

Last Form D raise

Jun 2026
Most recent fund filing

From SEC Form ADV filing (filed Mar 31, 2026). View on SEC

People(6)

Owners and executive officers named on the firm's SEC Form ADV.

C
Carter Lyons
Co-Chief Executive Officer
Source: SEC Form ADV
C
Christopher Sales
Co-Chief Investment Officer
Source: SEC Form ADV
D
David Siegel
Co-Chairman, Two Sigma Management, LLC
Source: SEC Form ADV
G
Geoffrey Duncombe
Co-Chief Investment Officer
Source: SEC Form ADV
J
John Overdeck
Co-Chairman, Two Sigma Management, LLC; Executive Manager, Two Sigma Management, LLC
Source: SEC Form ADV
T
Thomas Rafferty
Trustee of David M. Siegel Revocable Trust
Source: SEC Form ADV

Funds(31)

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

FundTypeGross assetsRaised (Form D)InvestorsLast Form DRecency
Two Sigma Hamilton Fund, LLCHedge Fund$2.2B$1.1B3Jun 2026Hot
Two Sigma Mercury Fund, LPHedge Fund$3.7B$2.5B7May 2026Hot
Two Sigma Horizon Fund, LPHedge Fund$91.6M$219.2M3May 2026Hot
Two Sigma Beacon Fund, LPHedge Fund$805.8M$975.7M69Apr 2026Hot
Two Sigma Spectrum Cayman Fund, LTD.Hedge Fund$7.8B$3.0B95Jan 2026Warm
Two Sigma Spectrum U.S. Fund, LPHedge Fund$2.5B$5.4B203Jan 2026Warm
Two Sigma Quasar Fund, LPHedge Fund$789.4M$571.0M2Jan 2026Warm
Two Sigma Compass Enhanced U.S. Fund, LPHedge Fund$200.8M$1.8B76Jan 2026Warm
Two Sigma Mercury Cayman Fund, LTD.Hedge Fund$128.5M$325.0M2Jan 2026Warm
Two Sigma Compass Enhanced Cayman Fund, LTD.Hedge Fund$67.5M$163.4M17Jan 2026Warm
Two Sigma Neptune Enhanced Fund, LPHedge Fund$242.6M$737.9M8Oct 2025Cool
Two Sigma Spectrum Portfolio, LLCHedge Fund$37.2B———
Two Sigma Equity Portfolio, LLCHedge Fund$21.8B———
Two Sigma Futures Portfolio, LLCHedge Fund$21.6B———
Two Sigma Kuiper Portfolio, LLCHedge Fund$21.0B———

Board seats

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

No board seats matched from SEC filings yet.

Regulatory identifiers

CRD number
137137
SEC file number
801-70476
CIK
1179392

Sources