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Peak6 LLC
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.
Latest 13F Filing Activity
Peak6 LLC filed their most recent 13F report on Jun 30, 2025 disclosing 724 equity positions and 2,140 options positions with a total 13F market value of $54B. The fund increased holdings in Coreweaveinc, Webullcorp, Teslainc among other positions. Peak6 LLC reduced exposure to Taiwansemiconductormfgltd, Invescoqqqtr, Arm Holdings PLC among others.
Top Holdings
Equity Positions (724)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
C CRWV | COREWEAVEINC | 0.60% | $322.4M | 8,688,502 | $162.70 | $163.06 | +$321.5M |
B BULL | WEBULLCORP | 0.59% | $317.8M | 26,567,829 | $11.96 | $11.96 | +$317.8M |
H HOOD | ROBINHOODMKTSINC | 0.27% | $148.2M | 1,582,931 | $55.27 | $93.63 | +$99.8M |
G GS | GOLDMANSACHSGROUPINC | 0.23% | $123.1M | 173,933 | $698.23 | $707.75 | +$117.5M |
T TSLA | TESLAINC | 0.22% | $121.1M | 381,351 | $317.66 | $317.66 | +$121.1M |
Options Positions (2,140)
| Ticker | Security | Action | Type | Notional Value | Contracts | Underlying Price | Premium Paid | Change (Contracts) | Change (Value) |
|---|---|---|---|---|---|---|---|---|---|
N NVDA | NVIDIACORPORATION | Bought | Call | $1.88B | 118,703 | $157.99 | $150.14 | +79,397 | +$1.45B |
N NVDA | NVIDIACORPORATION | Sold | Put | $1.72B | 109,167 | $157.99 | $130.29 | -59,957 | -$108.2M |
T TSLA | TESLAINC | Bought | Put | $1.53B | 48,298 | $317.66 | $368.76 | +9,065 | +$517.5M |
M META | METAPLATFORMSINC | Bought | Call | $1.17B | 15,811 | $738.09 | $646.97 | +6,369 | +$622.8M |
Q QQQ | INVESCOQQQTR | Sold | Call | $1.09B | 19,761 | $551.64 | $488.20 | -776 | +$127.1M |
Industry Allocation
Investment Team (41)
| Name | Role | Location | |
|---|---|---|---|
 | Trading Associate | Chicago, IL , United States | |
 | Senior Research Analyst | Chicago, IL , United States | |
B Barbara Sun | Equity Options Trader | Austin, TX , United States | |
 | Propriety Options Trader - Division Manager | Clarendon Hills, IL , United States | |
B Benjamin Fisher | Equity and Index Options Trader | Chicago, IL , United States | |
D Dan FitzGerald | Sr. Research Analyst | United States | |
D David Budworth | Partner | Austin, TX , United States | |
E Ethan Carter | Foreign Exchange Trader | Chicago, IL , United States | |
 | Partner | Chicago, IL , United States | |
H Huanlong Li | analyst | Chicago, IL , United States |
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