History of Jane Street Capital in Timeline

Jane Street Capital is a global quantitative trading firm headquartered in New York. With offices in major financial centers like London, Hong Kong, and Singapore, the company employs around 3,000 people. The firm specializes in applying mathematical and statistical techniques to trade a variety of financial products across global markets.

1999: Jane Street Co-Founded

In 1999, Jane Street was co-founded by Tim Reynolds, Robert Granieri, Marc Gerstein, and Michael Jenkins. Reynolds, Granieri, and Jenkins were former traders at Susquehanna International Group, while Gerstein was a developer at IBM.

November 2020: Market Prediction Competition

In November 2020, Jane Street hosted a market prediction competition with a $100K prize pool that ran until August 2021.

August 2021: Conclusion of Market Prediction Competition

The market prediction competition launched by Jane Street in November 2020, with a $100K prize pool, concluded in August 2021.

2022: $8.1 Million Position on Commodities

In 2022, Jane Street held an $8.1 million position on commodities.

2023: Increased Position on Commodities

In 2023, Jane Street increased its position on commodities to $16.6 million, up from $8.1 million in 2022.

December 2024: Settlement of Trade Secrets Lawsuit

In December 2024, the lawsuit filed by Jane Street against two former employees at Millennium Management, accusing them of stealing trade secrets, primarily of its Indian market operations, was settled for an undisclosed amount.

2024: Bond ETF Trading Volume

In 2024, Jane Street accounted for 41% of the bond ETF trading volume. It held 24% of the primary US-listed ETFs, 16% in the non-primary market US-listed ETFs, and 17% of secondary market activity in Europe.

2024: Options Clearing Corporation Transactions

In 2024, Jane Street was responsible for around 8% of Options Clearing Corporation's transactions.

2024: No Public Statement on Expansion into Commodities

In Jane Street’s 2024 bond documents, they did not publicly state their intent to expand into commodities.

June 2025: Robert Granieri Scrutiny

In June 2025, Jane Street faced scrutiny over its co-founder, Robert Granieri, facing allegations of funding an attempted coup against South Sudan by Ajak and Abraham Keech. The matter was resolved with no charges being brought against Granieri.

July 2025: SEBI Allegations and Market Access Bar

In July 2025, SEBI alleged that Jane Street used multiple entities to manipulate the market and barred Jane Street from accessing the market. On July 14th, 2025, the company has put $560 million into an escrow account as part of a request to the Securities Appellate Tribunal to resume trading activities.

August 2025: Robinhood Markets Order Handling and Fees

In August 2025, Jane Street handled the second most non S&P 500 orders and third most S&P 500 orders for Robinhood Markets. Jane Street paid $61.3 million for stock flow and $15.2 million for derivatives to Robinhood Markets as a fee to control order flow.

2025: Jane Street Employee Count and Headquarters

In 2025, Jane Street has approximately 3,000 employees and its headquarters is located at 250 Vesey Street in New York City’s Financial District.

2025: Highest Trading Revenue in a Quarter

In the second quarter of 2025, Jane Street reported $10.1 billion in net trading revenue and $6.9 billion in net profit, setting a record for the highest trading revenue in a quarter.