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 | |
|---|---|---|---|---|---|---|
10251
CALL
GSI Technology
GSIT
$189M
| $162K | ﹤0.01% |
+21,000
| New | +$167K |
|
10252
Jet.AI
JTAI
$1.78M
| $162K | ﹤0.01% |
+19,941
| New | +$150K |
|
10253
CALL
Fulcrum Therapeutics
FULC
$288M
| $162K | ﹤0.01% |
+44,200
| New | +$269K |
|
|
ABX
10254
PUT
Abacus Global Management
ABX
$910M
| $162K | ﹤0.01% |
15,100
-12,500
| -45% | -$114K |
|
|
CRCO
10255
YieldMax CRCL Option Income Strategy ETF
CRCO
$33.3M
| $162K | ﹤0.01% |
12,227
-32,793
| -73% | -$688K |
|
10256
Indaptus Therapeutics
INDP
$486M
| $161K | ﹤0.01% |
+53,811
| New | +$135K |
|
|
EU
10257
CALL
enCore Energy
EU
$175M
| $161K | ﹤0.01% |
123,000
-30,700
| -20% | -$51.6K |
|
10258
PUT
Pulmonx
LUNG
$84.2M
| $161K | ﹤0.01% |
123,800
+108,500
| +709% | +$149K |
|
10259
CALL
PennantPark Floating Rate Capital
PFLT
$696M
| $161K | ﹤0.01% |
21,500
+4,500
| +26% | +$37.4K |
|
|
BOLD
10260
Boundless Bio
BOLD
$64.4M
| $161K | ﹤0.01% |
+64,323
| New | +$99K |
|
10261
PUT
Amplitude
AMPL
$1.66B
| $161K | ﹤0.01% |
21,000
-12,600
| -38% | -$86.9K |
|
|
SMCL
10262
PUT
GraniteShares 2x Long SMCI Daily ETF
SMCL
$38.4M
| $160K | ﹤0.01% |
13,130
+11,525
| +718% | +$227K |
|
10263
KULR Technology Group
KULR
$106M
| $160K | ﹤0.01% |
+42,079
| New | +$140K |
|
|
OCCI
10264
OFS Credit Co
OCCI
$70.2M
| $160K | ﹤0.01% |
62,337
-30,439
| -33% | -$93.8K |
|
10265
PUT
RUM Group Inc
RUM
$4.09B
| $159K | ﹤0.01% |
25,100
-16,800
| -40% | -$119K |
|
|
EVN
10266
Eaton Vance Municipal Income Trust
EVN
$407M
| $159K | ﹤0.01% |
+14,123
| New | +$151K |
|
10267
PUT
Columbus McKinnon
CMCO
$477M
| $159K | ﹤0.01% |
10,500
-5,700
| -35% | -$84.9K |
|
10268
CALL
Phreesia
PHR
$643M
| $158K | ﹤0.01% |
+15,400
| New | +$143K |
|
|
AKTX
10269
Akari Therapeutics
AKTX
$20.1M
| $158K | ﹤0.01% |
+15,463
| New | +$133K |
|
10270
ImmuCell
ICCC
$87M
| $158K | ﹤0.01% |
+15,751
| New | +$139K |
|
10271
PUT
Funko
FNKO
$293M
| $158K | ﹤0.01% |
26,900
+11,900
| +79% | +$57.2K |
|
10272
PUT
Forward Air
FWRD
$559M
| $158K | ﹤0.01% |
11,700
-35,100
| -75% | -$523K |
|
10273
Cingulate
CING
$75M
| $158K | ﹤0.01% |
28,878
-61,989
| -68% | -$313K |
|
10274
CALL
Smart Sand
SND
$219M
| $158K | ﹤0.01% |
31,500
+1,600
| +5% | +$8.04K |
|
|
MOBI
10275
Mobia Medical
MOBI
$343M
| $158K | ﹤0.01% |
+11,756
| New | +$152K |
|
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.