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 | |
|---|---|---|---|---|---|---|
10401
PUT
Maravai LifeSciences
MRVI
$1.03B
| $133K | ﹤0.01% |
21,300
-5,700
| -21% | -$24.6K |
|
10402
Acrivon Therapeutics
ACRV
$78.4M
| $133K | ﹤0.01% |
74,648
-165,043
| -69% | -$280K |
|
|
QUCY
10403
Quantum Cyber N.V.
QUCY
$110M
| $133K | ﹤0.01% |
84,574
+68,481
| +426% | +$98.2K |
|
10404
New Mountain Finance
NMFC
$682M
| $133K | ﹤0.01% |
18,485
-6,524
| -26% | -$51.9K |
|
10405
PUT
PubMatic
PUBM
$764M
| $133K | ﹤0.01% |
10,100
-26,500
| -72% | -$275K |
|
10406
CALL
Rafael Holdings
RFL
$111M
| $132K | ﹤0.01% |
+40,300
| New | +$64.7K |
|
|
RPHS
10407
DELISTED
Regents Park Hedged Market Strategy ETF
RPHS
| $132K | ﹤0.01% |
12,265
-16,768
| -58% | -$176K |
|
|
FPI
10408
CALL
Farmland Partners
FPI
$468M
| $132K | ﹤0.01% |
13,600
-6,700
| -33% | -$71.4K |
|
10409
Compass Therapeutics
CMPX
$333M
| $131K | ﹤0.01% |
+59,955
| New | +$177K |
|
|
JFIN
10410
Jiayin Group
JFIN
$75.9M
| $131K | ﹤0.01% |
45,881
+26,851
| +141% | +$114K |
|
10411
ASP Isotopes
ASPI
$484M
| $131K | ﹤0.01% |
21,094
-663,385
| -97% | -$3.9M |
|
|
AXTU
10412
T-REX 2X Long AXTI Daily Target ETF
AXTU
$64.1M
| $131K | ﹤0.01% |
+1,650
| New | +$345K |
|
10413
CALL
Playtika
PLTK
$904M
| $131K | ﹤0.01% |
35,200
-9,900
| -22% | -$34.2K |
|
10414
PUT
Suzano
SUZ
$11.4B
| $130K | ﹤0.01% |
16,800
+300
| +2% | +$2.6K |
|
10415
Universal Electronics
UEIC
$65.5M
| $130K | ﹤0.01% |
27,172
+10,560
| +64% | +$43.9K |
|
|
HELP
10416
PUT
Cybin Inc
HELP
$959M
| $130K | ﹤0.01% |
+19,600
| New | +$98K |
|
|
AARD
10417
Aardvark Therapeutics
AARD
$110M
| $129K | ﹤0.01% |
+22,464
| New | +$105K |
|
10418
Codere Online
CDRO
$424M
| $129K | ﹤0.01% |
+13,520
| New | +$125K |
|
|
BBCQ
10419
DELISTED
Bleichroeder Acquisition Corp II
BBCQ
| $129K | ﹤0.01% |
+12,526
| New | +$130K |
|
|
ZENA
10420
ZenaTech Inc
ZENA
$125M
| $129K | ﹤0.01% |
86,155
+74,438
| +635% | +$133K |
|
10421
CALL
GraniteShares 2x Short NVDA Daily ETF
NVD
$58.4M
| $129K | ﹤0.01% |
+24,700
| New | +$130K |
|
10422
CALL
Geospace Technologies
GEOS
$66M
| $129K | ﹤0.01% |
+19,000
| New | +$164K |
|
|
SMTK
10423
SmartKem
SMTK
$1.38M
| $128K | ﹤0.01% |
+10,480
| New | +$156K |
|
|
RIME
10424
Algorhythm Holdings
RIME
$3.69M
| $128K | ﹤0.01% |
223,976
+47,367
| +27% | +$39.6K |
|
10425
Nuveen Municipal Credit Opportunities Fund
NMCO
$545M
| $128K | ﹤0.01% |
+11,740
| New | +$126K |
|
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.