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
|
+$7.01B |
| 2 |
Dell
DELL
|
+$705M |
| 3 |
T-Mobile US
TMUS
|
+$643M |
| 4 |
State Street SPDR Portfolio Developed World ex-US ETF
SPDW
|
+$621M |
| 5 |
Palantir
PLTR
|
+$621M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$1.41B |
| 2 |
Walmart Inc
WMT
|
+$1.29B |
| 3 |
NVIDIA
NVDA
|
+$1.29B |
| 4 |
Apple
AAPL
|
+$1.11B |
| 5 |
Tesla
TSLA
|
+$974M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 2.65% |
| 2 | Financials | 0.97% |
| 3 | Industrials | 0.85% |
| 4 | Consumer Discretionary | 0.81% |
| 5 | Healthcare | 0.61% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
SFIX
10901
PUT
Stitch Fix
SFIX
$547M
| $40.1K | ﹤0.01% |
12,100
-8,800
| -42% | -$35.9K |
|
|
FBGL
10902
FBS Global
FBGL
$6.88M
| $40K | ﹤0.01% |
67,206
+11,501
| +21% | +$9.6K |
|
10903
PUT
Microbot Medical
MBOT
$117M
| $40K | ﹤0.01% |
16,600
+5,300
| +47% | +$11.8K |
|
10904
PUT
KULR Technology Group
KULR
$120M
| $40K | ﹤0.01% |
16,878
+6,044
| +56% | +$18.8K |
|
10905
Montauk Renewables
MNTK
$260M
| $39.5K | ﹤0.01% |
35,576
-95,111
| -73% | -$143K |
|
|
TMQ
10906
PUT
Trilogy Metals
TMQ
$549M
| $39.5K | ﹤0.01% |
11,000
-8,200
| -43% | -$37.4K |
|
10907
PUT
SAB Biotherapeutics
SABS
$272M
| $39.4K | ﹤0.01% |
+10,300
| New | +$41.1K |
|
10908
CALL
Microvast
MVST
$267M
| $39.3K | ﹤0.01% |
26,200
-185,300
| -88% | -$446K |
|
|
LCDL
10909
DELISTED
GraniteShares 2x Long LCID Daily ETF
LCDL
| $39.2K | ﹤0.01% |
+17,496
| New | +$50.8K |
|
10910
PUT
Xerox
XRX
$456M
| $39.1K | ﹤0.01% |
30,300
-27,300
| -47% | -$54K |
|
10911
PUT
Backblaze
BLZE
$758M
| $39K | ﹤0.01% |
+11,300
| New | +$47.6K |
|
10912
CALL
Black Diamond Therapeutics
BDTX
$98.6M
| $39K | ﹤0.01% |
18,300
+2,500
| +16% | +$5.95K |
|
10913
Traws Pharma
TRAW
$6.72M
| $38.9K | ﹤0.01% |
+21,241
| New | +$39.9K |
|
10914
Barnwell Industries
BRN
$13.9M
| $38.4K | ﹤0.01% |
+35,528
| New | +$39.2K |
|
|
API
10915
CALL
Agora
API
$337M
| $38.2K | ﹤0.01% |
10,800
-1,900
| -15% | -$8.05K |
|
|
SY
10916
PUT
So-Young International
SY
$184M
| $38.2K | ﹤0.01% |
+14,000
| New | +$41.9K |
|
10917
IRIDEX
IRIX
$14.5M
| $38K | ﹤0.01% |
37,634
+5,876
| +19% | +$8.02K |
|
10918
PUT
Gevo
GEVO
$372M
| $37.9K | ﹤0.01% |
13,900
+2,000
| +17% | +$4.14K |
|
|
LMFA
10919
DELISTED
LM Funding America
LMFA
| $37.9K | ﹤0.01% |
6,071
+1,095
| +22% | +$10.4K |
|
10920
E-Power Inc
EPOW
$16.4M
| $37.9K | ﹤0.01% |
49,104
+33,444
| +214% | +$27.8K |
|
|
ATYR
10921
aTyr Pharma
ATYR
$47.1M
| $37.8K | ﹤0.01% |
48,502
-139,647
| -74% | -$118K |
|
10922
PUT
Upexi
UPXI
$59.5M
| $37.6K | ﹤0.01% |
38,200
-100,600
| -72% | -$135K |
|
10923
Protalix BioTherapeutics
PLX
$183M
| $37.6K | ﹤0.01% |
17,342
-272,575
| -94% | -$676K |
|
10924
indie Semiconductor
INDI
$668M
| $37.5K | ﹤0.01% |
+11,644
| New | +$41.1K |
|
10925
PUT
Lufax Holding
LU
$1.38B
| $37.4K | ﹤0.01% |
20,000
-53,400
| -73% | -$135K |
|
Similar funds
Jane Street's Q1 2026 Portfolio in Review
As of Q1 2026, Jane Street held 13,677 positions worth $777B, up 17% from $662B the previous quarter. Its ten largest holdings account for 34% of the portfolio.
Jane Street deployed $153B of net new capital in Q1 2026, opening 2,619 new positions and adding to 4,818 existing holdings. Its largest new stake was iShares Core US Aggregate Bond ETF: 2,411,981 shares worth $239M.
By sector, the portfolio is most concentrated in Technology at 2.7% of assets, down from 2.8% a quarter earlier, followed by Financials and Industrials.
On the sell side, the largest reduction was Meta Platforms (Facebook), an estimated $1.41B trimmed.
- Jane Street's largest Q1 2026 buy was iShares Core US Aggregate Bond ETF: 2,411,981 shares worth $239M.
- Jane Street added most to State Street SPDR S&P 500 ETF Trust in Q1 2026, an estimated $7.01B increase.
- Jane Street's biggest Q1 2026 reduction was Meta Platforms (Facebook), cutting an estimated $1.41B.
- Jane Street fully exited VanEck Gold Miners ETF in Q1 2026, selling an estimated $265M.
- Jane Street's ten largest holdings make up 34% of its $777B portfolio in Q1 2026.
- Jane Street opened 2,619 new positions and closed 2,274 in Q1 2026.
- Jane Street's portfolio value rose 17% quarter-over-quarter to $777B.
Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.