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 | |
|---|---|---|---|---|---|---|
1326
PUT
Direxion Daily Small Cap Bull 3x ETF
TNA
$1.14B
| $56.3M | ﹤0.01% |
749,700
-209,800
| -22% | -$13.2M |
|
1327
CALL
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$41.9B
| $56.2M | ﹤0.01% |
914,400
-16,000
| -2% | -$949K |
|
|
SNXX
1328
CALL
Tradr 2X Long SNDK Daily ETF
SNXX
$2.18B
| $56.1M | ﹤0.01% |
1,333,500
+443,900
| +50% | +$9.43M |
|
1329
CALL
DexCom
DXCM
$33B
| $56.1M | ﹤0.01% |
832,400
+664,600
| +396% | +$44.3M |
|
1330
CALL
Madrigal Pharmaceuticals
MDGL
$12.2B
| $56M | ﹤0.01% |
104,200
-21,100
| -17% | -$10.8M |
|
1331
PUT
CleanSpark
CLSK
$3.28B
| $55.9M | ﹤0.01% |
3,844,200
-51,200
| -1% | -$723K |
|
1332
BILL Holdings
BILL
$4.18B
| $55.8M | ﹤0.01% |
1,543,254
+1,041,974
| +208% | +$38.4M |
|
1333
PUT
NuScale Power
SMR
$3.41B
| $55.7M | ﹤0.01% |
5,558,000
-583,800
| -10% | -$6.59M |
|
1334
CALL
Realty Income
O
$54.1B
| $55.7M | ﹤0.01% |
899,500
+272,300
| +43% | +$17M |
|
1335
CALL
Indivior Pharmaceuticals
INDV
$4.05B
| $55.7M | ﹤0.01% |
1,356,700
+1,344,900
| +11,397% | +$48.8M |
|
1336
PUT
MACOM Technology Solutions
MTSI
$19.2B
| $55.6M | ﹤0.01% |
146,200
+141,700
| +3,149% | +$47M |
|
1337
CALL
J.M. Smucker
SJM
$13.2B
| $55.5M | ﹤0.01% |
493,300
+304,700
| +162% | +$31M |
|
1338
CALL
Axcelis
ACLS
$3.2B
| $55.4M | ﹤0.01% |
292,600
+268,700
| +1,124% | +$39.9M |
|
1339
Idexx Laboratories
IDXX
$40.5B
| $55.3M | ﹤0.01% |
105,108
+90,110
| +601% | +$50.5M |
|
1340
Reliance Steel & Aluminium
RS
$20.1B
| $55.3M | ﹤0.01% |
148,082
+140,392
| +1,826% | +$51.3M |
|
|
CBRS
1341
Cerebras Systems
CBRS
$45.2B
| $55.3M | ﹤0.01% |
+250,122
| New | +$58.9M |
|
1342
CALL
Casey's General Stores
CASY
$21.8B
| $55.2M | ﹤0.01% |
69,400
+52,600
| +313% | +$42.4M |
|
1343
CALL
ProShares UltraPro Short QQQ
SQQQ
$2.14B
| $55.1M | ﹤0.01% |
1,518,240
+776,444
| +105% | +$37.5M |
|
1344
GitLab
GTLB
$8.13B
| $55.1M | ﹤0.01% |
1,805,518
+335,089
| +23% | +$8.5M |
|
1345
PUT
Emcor
EME
$32.6B
| $55.1M | ﹤0.01% |
66,400
+39,100
| +143% | +$33.1M |
|
1346
SS&C Technologies
SSNC
$18.9B
| $55.1M | ﹤0.01% |
887,622
-717,262
| -45% | -$48.7M |
|
1347
PUT
TJX Companies
TJX
$135B
| $55M | ﹤0.01% |
363,100
+36,800
| +11% | +$5.82M |
|
|
FISV
1348
CALL
Fiserv Inc
FISV
$26.3B
| $54.9M | ﹤0.01% |
1,119,500
+690,100
| +161% | +$38.6M |
|
1349
PUT
MasTec
MTZ
$18.1B
| $54.7M | ﹤0.01% |
131,500
+63,200
| +93% | +$24.2M |
|
1350
PUT
PACCAR
PCAR
$62.2B
| $54.7M | ﹤0.01% |
455,300
+449,300
| +7,488% | +$53M |
|
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.