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 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$17.4B |
| 2 |
Amazon
AMZN
|
+$2.49B |
| 3 |
NVIDIA
NVDA
|
+$2.18B |
| 4 |
Microsoft
MSFT
|
+$1.75B |
| 5 |
Meta Platforms (Facebook)
META
|
+$1.21B |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Marvell Technology
MRVL
|
+$1.75B |
| 2 |
Broadcom
AVGO
|
+$1.56B |
| 3 |
Dell
DELL
|
+$1.09B |
| 4 |
SNDK
Sandisk
SNDK
|
+$899M |
| 5 |
T-Mobile US
TMUS
|
+$827M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 91.39% |
| 2 | Technology | 3.64% |
| 3 | Industrials | 1.09% |
| 4 | Consumer Discretionary | 0.89% |
| 5 | Financials | 0.84% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2326
CALL
Equifax
EFX
$19.9B
| $16.5M | ﹤0.01% |
103,800
+85,700
| +473% | +$14.6M |
|
2327
CALL
Iron Mountain
IRM
$33.5B
| $16.4M | ﹤0.01% |
130,200
+79,300
| +156% | +$9.72M |
|
2328
CALL
CDW
CDW
$19.1B
| $16.4M | ﹤0.01% |
116,900
+64,200
| +122% | +$8.06M |
|
2329
CALL
Warrior Met Coal
HCC
$4.76B
| $16.4M | ﹤0.01% |
202,500
+78,200
| +63% | +$7.07M |
|
|
JAN
2330
Janus Living Inc
JAN
$7.36B
| $16.4M | ﹤0.01% |
571,080
+500,009
| +704% | +$13M |
|
2331
CALL
TotalEnergies
TTE
$207B
| $16.4M | ﹤0.01% |
211,000
+75,700
| +56% | +$6.7M |
|
2332
PUT
Transocean
RIG
$6.6B
| $16.4M | ﹤0.01% |
3,350,700
+689,300
| +26% | +$4.31M |
|
2333
Payoneer
PAYO
$2.41B
| $16.4M | ﹤0.01% |
2,299,447
-449,464
| -16% | -$2.46M |
|
2334
State Street SPDR Nuveen ICE Municipal Bond ETF
TFI
$2.97B
| $16.4M | ﹤0.01% |
357,460
+124,171
| +53% | +$5.65M |
|
2335
Helios Technologies
HLIO
$2.19B
| $16.3M | ﹤0.01% |
182,632
-10,731
| -6% | -$824K |
|
|
INFQ
2336
Infleqtion Inc
INFQ
$2.85B
| $16.3M | ﹤0.01% |
+1,223,144
| New | +$16.8M |
|
|
CNR
2337
CALL
Core Natural Resources Inc
CNR
$4.68B
| $16.3M | ﹤0.01% |
203,400
-48,900
| -19% | -$4.33M |
|
|
XIFR
2338
CALL
XPLR Infrastructure LP
XIFR
$1.05B
| $16.3M | ﹤0.01% |
1,377,800
+1,156,200
| +522% | +$12.9M |
|
|
FRMI
2339
PUT
Fermi Inc
FRMI
$3.04B
| $16.3M | ﹤0.01% |
1,776,300
+832,500
| +88% | +$5.26M |
|
2340
PUT
Stanley Black & Decker
SWK
$13.4B
| $16.2M | ﹤0.01% |
172,600
-22,300
| -11% | -$1.75M |
|
|
IDEF
2341
BlackRock ETF Trust iShares Defense Industrials and Tech Active ETF
IDEF
$4.29B
| $16.2M | ﹤0.01% |
509,972
+467,066
| +1,089% | +$15.4M |
|
2342
AeroVironment
AVAV
$7.93B
| $16.2M | ﹤0.01% |
98,052
+93,689
| +2,147% | +$16.8M |
|
2343
CALL
Alpha and Omega Semiconductor
AOSL
$743M
| $16.2M | ﹤0.01% |
+341,400
| New | +$13.7M |
|
2344
Materion
MTRN
$4.95B
| $16.1M | ﹤0.01% |
54,177
+30,296
| +127% | +$6.34M |
|
2345
CALL
McCormick & Company Non-Voting
MKC
$13.5B
| $16.1M | ﹤0.01% |
319,300
+145,700
| +84% | +$7.15M |
|
|
MESO
2346
CALL
Mesoblast
MESO
$1.91B
| $16.1M | ﹤0.01% |
1,189,800
+451,400
| +61% | +$6.71M |
|
2347
PUT
CEVA Inc
CEVA
$781M
| $16.1M | ﹤0.01% |
+340,900
| New | +$12.1M |
|
2348
Tango Therapeutics
TNGX
$4.04B
| $16.1M | ﹤0.01% |
+514,265
| New | +$12.7M |
|
2349
ING
ING
$104B
| $16.1M | ﹤0.01% |
512,190
-399,918
| -44% | -$11.8M |
|
2350
NewAmsterdam Pharma
NAMS
$2.55B
| $16.1M | ﹤0.01% |
474,236
+309,035
| +187% | +$10.2M |
|
Similar funds
Jane Street's Q2 2026 Portfolio in Review
As of Q2 2026, Jane Street held 13,869 positions worth $1.21T, up 55% from $777B the previous quarter. Its ten largest holdings account for 32% of the portfolio.
Jane Street deployed $44.4B of net new capital in Q2 2026, opening 2,565 new positions and adding to 4,995 existing holdings. Its largest new stake was Super Micro Computer Depositary Shares 7% Series A Preferred Stock: 10,590,097 shares worth $550M.
By sector, the portfolio is most concentrated in Miscellaneous at 91% of assets, down from 92% a quarter earlier, followed by Technology and Industrials.
On the sell side, the largest reduction was Marvell Technology, an estimated $1.75B trimmed.
- Jane Street's largest Q2 2026 buy was Super Micro Computer Depositary Shares 7% Series A Preferred Stock: 10,590,097 shares worth $550M.
- Jane Street added most to State Street SPDR S&P 500 ETF Trust in Q2 2026, an estimated $17.4B increase.
- Jane Street's biggest Q2 2026 reduction was Marvell Technology, cutting an estimated $1.75B.
- Jane Street fully exited iShares Core US Aggregate Bond ETF in Q2 2026, selling an estimated $239M.
- Jane Street's ten largest holdings make up 32% of its $1.21T portfolio in Q2 2026.
- Jane Street opened 2,565 new positions and closed 2,484 in Q2 2026.
- Jane Street's portfolio value rose 55% quarter-over-quarter to $1.21T.
Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.