Jane Street Portfolio holdings
Jane Street Group, founded in 2000 by Tim Reynolds, Rob Granieri, Marc Gerstein, and Michael Jenkins, is a New York City-based quantitative trading firm renowned for its technological prowess and collaborative problem-solving culture. Specializing in liquidity provision and market-making, it trades a vast array of financial products—including equities, bonds, options, and ETFs—across over 200 venues in 45 countries, handling trillions in securities annually. The firm, which employs over 2,600 people across offices in New York, London, Hong Kong, Amsterdam, Chicago, and Singapore, leverages advanced algorithms and a nearly 70-million-line OCaml codebase to dominate markets, notably ETFs, where it plays a critical role as an authorized participant. With net trading revenues exceeding $10 billion annually in recent years, including a record $10.6 billion in 2023, Jane Street has emerged as a secretive yet powerful force in global finance, outpacing traditional Wall Street giants like Goldman Sachs in trading profitability.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
T-Mobile US
TMUS
|
+$1.03B |
| 2 |
iShares Bitcoin Trust
IBIT
|
+$978M |
| 3 |
UnitedHealth
UNH
|
+$636M |
| 4 |
Nasdaq
NDAQ
|
+$575M |
| 5 |
Columbia Research Enhanced Core ETF
RECS
|
+$563M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$1.57B |
| 2 |
NVIDIA
NVDA
|
+$1B |
| 3 |
iShares Silver Trust
SLV
|
+$754M |
| 4 |
iShares Core MSCI Total International Stock ETF
IXUS
|
+$662M |
| 5 |
Microsoft
MSFT
|
+$632M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 2.3% |
| 2 | Financials | 1.21% |
| 3 | Consumer Discretionary | 1.07% |
| 4 | Industrials | 1.02% |
| 5 | Communication Services | 0.83% |
Similar funds
Jane Street's Q2 2025 Portfolio in Review
As of Q2 2025, Jane Street held 11,384 positions worth $506B, up 27% from $397B the previous quarter. Its ten largest holdings account for 39% of the portfolio.
Jane Street deployed $36.7B of net new capital in Q2 2025, opening 2,110 new positions and adding to 3,865 existing holdings. Its largest new stake was Nasdaq: 7,205,132 shares worth $644M.
By sector, the portfolio is most concentrated in Technology at 2.3% of assets, down from 3.1% a quarter earlier, followed by Financials and Consumer Discretionary.
On the sell side, the largest reduction was Broadcom, an estimated $1.57B trimmed.
- Jane Street's largest Q2 2025 buy was Nasdaq: 7,205,132 shares worth $644M.
- Jane Street added most to T-Mobile US in Q2 2025, an estimated $1.03B increase.
- Jane Street's biggest Q2 2025 reduction was Broadcom, cutting an estimated $1.57B.
- Jane Street fully exited iShares Core MSCI Total International Stock ETF in Q2 2025, selling an estimated $662M.
- Jane Street's ten largest holdings make up 39% of its $506B portfolio in Q2 2025.
- Jane Street opened 2,110 new positions and closed 1,895 in Q2 2025.
- Jane Street's portfolio value rose 27% quarter-over-quarter to $506B.
Based on Jane Street's 13F filing for Q2 2025, filed 14 Aug 2025.