Old Mission Capital LLC
Old Mission Capital LLC is a quantitative proprietary trading firm headquartered in Chicago, Illinois. Founded in 2008, the firm builds and utilizes a global quantitative market-making platform to provide liquidity and competitive prices across a wide range of financial instruments, both on and off exchange. Old Mission works with some of the world’s largest exchanges, brokers, and institutional investors, leveraging expertise in technology and risk management. The company has developed a collaborative culture with a flat hierarchy, and is private and independently owned.
Investment Strategy
Old Mission Capital employs a global quantitative market-making and proprietary trading strategy. The firm focuses on dynamically valuing individual securities and complex derivatives using proprietary systems and quantitative models, aimed at providing significant liquidity and competitive pricing. Its approach integrates sophisticated risk management and rapid resource allocation to address changing market dynamics, working closely with institutional clients to transfer risk efficiently across a diverse set of securities.
Latest 13F Filing Activity
Old Mission Capital LLC filed their most recent 13F report on Jun 30, 2025 disclosing 718 equity positions and 53 options positions with a total 13F market value of $6B. The fund increased holdings in Ishares Msci Emr MRK Ex Chna, Ishares 20 Plus Year Treasury BD, Invesco QQQ Trust Series 1 among other positions. Old Mission Capital LLC reduced exposure to SPDR S&P 500 Etf Trust, Ishares Core Msci Emerging, Ishares Russell 2000 Etf among others.
Top Holdings
Equity Positions (718)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
E EMXC | ISHARES MSCI EMR MRK EX CHNA | 8.80% | $527.6M | 8,356,124 | $62.71 | $63.14 | +$483.5M |
S SPY | SPDR S&P 500 ETF TRUST | 4.67% | $280.1M | 453,317 | $571.20 | $617.85 | -$1.18B |
T TLT | ISHARES 20 PLUS YEAR TREASURY BD | 3.98% | $238.6M | 2,703,664 | $88.27 | $88.25 | +$236.5M |
Q QQQ | INVESCO QQQ TRUST SERIES 1 | 3.56% | $213.4M | 386,769 | $551.64 | $551.64 | +$213.4M |
I IWM | ISHARES RUSSELL 2000 ETF | 2.04% | $122.5M | 567,762 | $199.73 | $215.79 | -$306.6M |
Options Positions (10)
| Ticker | Security | Action | Type | Notional Value | Contracts | Underlying Price | Premium Paid | Change (Contracts) | Change (Value) |
|---|---|---|---|---|---|---|---|---|---|
S SPY | SPDR S&P 500 ETF TRUST | Sold | Call | $1.40B | 126,473 | $617.85 | $581.54 | -14,340 | -$331.2M |
Q QQQ | INVESCO QQQ TRUST SERIES 1 | Sold | Call | $216.9M | 14,751 | $551.64 | $498.04 | -1,476 | +$115.8M |
M MSTR | STRATEGY INC | Sold | Call | $155.5M | 19,172 | $404.23 | $288.53 | -11,258 | -$26.4M |
C COIN | COINBASE GLOBAL INC -CLASS A | New | Call | $150.9M | 25,489 | $350.49 | $350.49 | +25,489 | +$150.9M |
S SPY | SPDR S&P 500 ETF TRUST | Sold | Put | $66.3M | 134,572 | $617.85 | $582.72 | -6,673 | -$91.7M |
Industry Allocation
Investment Team (50)
| Name | Role | Location | |
|---|---|---|---|
B Brian Scullion | Derivatives Trader | Chicago, IL , United States | |
 | Trader | Chicago, IL , United States | |
 | Trader | Philadelphia, PA , United States | |
D Daniel Suh | Senior Trader | Chicago, IL , United States | |
 | Quant Trader | New York, NY , United States | |
 | Quant Trader | Chicago, IL , United States | |
 | Quantitative Trading Analyst | New York, NY , United States | |
 | Trader | Chicago, IL , United States | |
I Ife Onatunde | Quantitative Trader | New York, NY , United States | |
 | Trader | West Windsor Township, NJ , United States |