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 | |
|---|---|---|---|---|---|---|
10926
CALL
Neumora Therapeutics
NMRA
$156M
| $46.8K | ﹤0.01% |
+27,500
| New | +$52.4K |
|
|
HIO
10927
Western Asset High Income Opportunity Fund
HIO
$323M
| $46.7K | ﹤0.01% |
12,826
-27,970
| -69% | -$102K |
|
10928
PUT
AdvisorShares MSOS 2X Daily ETF
MSOX
$65M
| $46.6K | ﹤0.01% |
13,900
-26,100
| -65% | -$82.9K |
|
|
ALLR
10929
Allarity Therapeutics
ALLR
$17.7M
| $46.5K | ﹤0.01% |
+36,021
| New | +$51.1K |
|
10930
SeaStar Medical
ICU
$13.3M
| $46.4K | ﹤0.01% |
12,634
-15,326
| -55% | -$58.3K |
|
10931
AC Immune
ACIU
$266M
| $46.4K | ﹤0.01% |
19,475
-38,221
| -66% | -$105K |
|
10932
CALL
OPAL Fuels
OPAL
$56M
| $46.2K | ﹤0.01% |
21,000
-3,300
| -14% | -$7.25K |
|
|
NOWL
10933
PUT
GraniteShares 2x Long NOW Daily ETF
NOWL
$204M
| $45.9K | ﹤0.01% |
+10,500
| New | +$50.6K |
|
|
APM
10934
DELISTED
Aptorum Group
APM
| $45.7K | ﹤0.01% |
+58,461
| New | +$51.8K |
|
10935
Metagenomi Therapeutics
MGX
$43.8M
| $45.7K | ﹤0.01% |
38,396
-113,044
| -75% | -$151K |
|
10936
CALL
Organogenesis Holdings
ORGO
$188M
| $45.7K | ﹤0.01% |
18,800
-18,100
| -49% | -$44.2K |
|
|
NAKA
10937
CALL
Nakamoto Inc
NAKA
$139M
| $45.5K | ﹤0.01% |
11,528
+4,083
| +55% | +$27.3K |
|
10938
RenovoRx
RNXT
$77.6M
| $45.5K | ﹤0.01% |
46,399
+22,262
| +92% | +$20.2K |
|
10939
CALL
Spruce Power Holding Corp
SPRU
$31.8M
| $45.4K | ﹤0.01% |
+17,600
| New | +$57.4K |
|
|
SLI
10940
CALL
Standard Lithium
SLI
$506M
| $45.4K | ﹤0.01% |
16,500
-3,100
| -16% | -$11.3K |
|
10941
Rapid Micro Biosystems
RPID
$57.7M
| $44.9K | ﹤0.01% |
25,931
-106,994
| -80% | -$225K |
|
|
TGHL
10942
The GrowHub Ltd
TGHL
$21.7M
| $44.8K | ﹤0.01% |
+75,028
| New | +$32.5K |
|
10943
PUT
Veru
VERU
$39.9M
| $44.8K | ﹤0.01% |
+14,300
| New | +$36.4K |
|
10944
Martin Midstream Partners
MMLP
$90M
| $44.5K | ﹤0.01% |
+19,280
| New | +$49.4K |
|
10945
Bridger Aerospace Warrant
BAERW
| $44.3K | ﹤0.01% |
158,352
| – | – |
|
10946
PUT
Geron
GERN
$842M
| $44.3K | ﹤0.01% |
34,600
-1,800
| -5% | -$2.54K |
|
|
PIM
10947
Franklin Master Intermediate Income Trust
PIM
$147M
| $44.2K | ﹤0.01% |
+13,694
| New | +$44K |
|
10948
Elutia
ELUT
$35.4M
| $43.8K | ﹤0.01% |
44,697
-19,380
| -30% | -$20.6K |
|
|
GCTS
10949
PUT
GCT Semiconductor Holding
GCTS
$177M
| $43.7K | ﹤0.01% |
+14,700
| New | +$31.2K |
|
10950
Abits Group
ABTS
$4.6M
| $43.6K | ﹤0.01% |
+37,590
| New | +$46.7K |
|
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.