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Peak6 LLC

CIK:0001389958
Hedge Fund
$23B AUM
2,903 holdings
Austin, TX, United States
Founded:1997
400 employees
Latest filing:Jun 30, 2025

PEAK6 LLC is a diversified investment and technology firm founded in 1997, historically headquartered in Chicago and now based in Austin, Texas. The firm operates a mix of hedge fund, proprietary trading, market making, strategic capital investments, and has interests in fintech, esports, and other industries. PEAK6 employs hundreds across offices in the U.S. and globally, blending financial expertise, tech innovation, and entrepreneurial strategy. PEAK6 serves institutional clients, entrepreneurs, fintech businesses, and market participants by providing liquidity and strategic support. The founders are Jenny Just and Matt Hulsizer.

Investment Strategy

PEAK6 pursues a multi-faceted investment strategy focused on proprietary options trading, market making, and strategic capital deployment across innovative sectors. The firm combines technology-driven risk management with deep financial expertise to provide liquidity in U.S. options markets, strategically accumulates and manages options positions, and invests in transformative businesses through flexible, patient capital. PEAK6 adapts its vision to emerging opportunities, leveraging proprietary tech, data-first approaches, and direct partnerships to drive growth and unlock value for entrepreneurs and market participants.

Top Buys
C
CRWVCOREWEAVEINC
+$321.5M
B
BULLWEBULLCORP
+$317.8M
T
TSLATESLAINC
+$121.1M
G
GSGOLDMANSACHSGROUPINC
+$117.5M
H
HOODROBINHOODMKTSINC
+$99.8M
Top Sells
T
TSMTAIWANSEMICONDUCTORMFGLTD
-$269.5M
Q
QQQINVESCOQQQTR
-$241.5M
A
ARMARM HOLDINGS PLC
-$125.3M
N
NVDANVIDIA CORPORATION
-$49.7M
D
DELLDELL TECHNOLOGIES INC
-$46.0M

Top Holdings

C
CRWVCOREWEAVEINC
+0.6%$322.4M
B
BULLWEBULLCORP
+0.6%$317.8M
H
HOODROBINHOODMKTSINC
+0.3%$148.2M
G
GSGOLDMANSACHSGROUPINC
+0.2%$123.1M
T
TSLATESLAINC
+0.2%$121.1M

Equity Positions (724)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
C
CRWV
COREWEAVEINC0.60%$322.4M8,688,502$162.70$163.06+$321.5M
B
BULL
WEBULLCORP0.59%$317.8M26,567,829$11.96$11.96+$317.8M
H
HOOD
ROBINHOODMKTSINC0.27%$148.2M1,582,931$55.27$93.63+$99.8M
G
GS
GOLDMANSACHSGROUPINC0.23%$123.1M173,933$698.23$707.75+$117.5M
T
TSLA
TESLAINC0.22%$121.1M381,351$317.66$317.66+$121.1M

Options Positions (10)

TickerSecurityActionTypeNotional ValueContractsUnderlying PricePremium PaidChange (Contracts)Change (Value)
N
NVDA
NVIDIACORPORATIONBought
Call
$1.88B118,703$157.99$150.14+79,397+$1.45B
N
NVDA
NVIDIACORPORATIONSold
Put
$1.72B109,167$157.99$130.29-59,957-$108.2M
T
TSLA
TESLAINCBought
Put
$1.53B48,298$317.66$368.76+9,065+$517.5M
M
META
METAPLATFORMSINCBought
Call
$1.17B15,811$738.09$646.97+6,369+$622.8M
Q
QQQ
INVESCOQQQTRSold
Call
$1.09B19,761$551.64$488.20-776+$127.1M

Industry Allocation

SEMICONDUCTORS & RELATED DEVICES
+16.4%
SERVICES-PREPACKAGED SOFTWARE
+14.6%
SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
+5.2%
MOTOR VEHICLES & PASSENGER CAR BODIES
+5.1%
FINANCE SERVICES
+4.2%