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Two Sigma Investments, LP

CIK:0001179392
Hedge Fund
$110B AUM
3,150 holdings
New York, NY, US
Founded:2001
1,575 employees
Latest filing:Jun 30, 2025

Two Sigma Investments, LP is a leading quantitative hedge fund and financial sciences company headquartered in New York, NY. Founded in 2001 by John Overdeck and David Siegel, the firm leverages data science, advanced technology, and rigorous research to manage investments globally. With approximately 1,575 employees, including over 250 PhDs, Two Sigma applies scientific methods to solve complex financial problems, serving institutional investors and sophisticated clients worldwide.

Investment Strategy

Two Sigma Investments employs a quantitative, model-driven investment strategy, using scientific methods, engineering, machine learning, and large-scale data analysis to make investment decisions. The firm focuses on uncovering and exploiting inefficiencies in global financial markets by researching, testing, and applying sophisticated mathematical models. Its strategy is highly diversified across asset classes and geographies, with an emphasis on systematic trading and risk management.

Top Buys
I
IGVISHARES TR
+$345.4M
Q
QQQINVESCO QQQ TR
+$313.4M
G
GEVGE VERNOVA INC
+$235.8M
U
UNHUNITEDHEALTH GROUP INC
+$231.8M
D
DUOLDUOLINGO INC
+$231.7M
Top Sells
A
AVGOBROADCOM INC
-$260.2M
M
MRVLMARVELL TECHNOLOGY INC
-$237.2M
A
AMDADVANCED MICRO DEVICES INC
-$224.5M
N
NOWSERVICENOW INC
-$165.8M
C
CMCSACOMCAST CORP NEW
-$163.9M

Top Holdings

Q
QQQINVESCO QQQ TR
+1.3%$739.1M
S
SPYSPDR S&P 500 ETF TR
+1.3%$715.2M
I
IWFISHARES TR
+0.8%$473.0M
V
VUGVANGUARD INDEX FDS
+0.8%$457.2M
X
XLKSELECT SECTOR SPDR TR
+0.6%$366.8M

Equity Positions (2,925)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
Q
QQQ
INVESCO QQQ TR1.31%$739.1M1,339,733$449.33$551.64+$313.4M
S
SPY
SPDR S&P 500 ETF TR1.27%$715.2M1,157,598$520.21$617.85-$120.9M
I
IWF
ISHARES TR0.84%$473.0M1,114,100$343.27$424.58+$97.3M
V
VUG
VANGUARD INDEX FDS0.81%$457.2M1,042,900$361.35$438.40+$78.6M
X
XLK
SELECT SECTOR SPDR TR0.65%$366.8M1,448,331$217.13$253.23-$64.5M

Options Positions (10)

TickerSecurityActionTypeNotional ValueContractsUnderlying PricePremium PaidChange (Contracts)Change (Value)
C
CCL
CARNIVAL CORPSold
Put
$113.1M40,231$28.12$13.83-8,241+$18.5M
M
MSTR
MICROSTRATEGY INCBought
Put
$77.0M1,904$404.23$267.34+1,222+$57.3M
R
RIVN
RIVIAN AUTOMOTIVE INCBought
Put
$62.4M45,439$13.74$18.18+2,421+$8.9M
S
STX
SEAGATE TECHNOLOGY HLDNGS PLSold
Put
$55.5M3,842$144.33$76.51-26+$22.6M
L
LITE
LUMENTUM HLDGS INCSold
Put
$48.2M5,068$95.06$52.99-2,592+$424.0K

Industry Allocation

SERVICES-PREPACKAGED SOFTWARE
+8.8%
PHARMACEUTICAL PREPARATIONS
+3.1%
SERVICES-BUSINESS SERVICES, NEC
+3.0%
SECURITY BROKERS, DEALERS & FLOTATION COMPANIES
+2.2%
SEMICONDUCTORS & RELATED DEVICES
+2.1%