JANE STREET GROUP, LLC

Market maker Mechanical CIK 1595888
League rank
#8
in Market maker · #685 overall
Long book
$92.25B
Q1 2026
Positions
5873
Top-10 weight
25%
concentration
Last quarter
+19.1%
SPY +14.8%
Turnover
45%
of book per quarter

Strategy in plain words

auto-generated from filings

JANE STREET GROUP, LLC is a market maker — positions are inventory, not bets, running a $92.25B US long book across 5873 positions.

The portfolio is broadly diversified across 5873 positions (top 10 only 25%). The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: SS SPDR S&P 500 ETF TRUST-US, BROADCOM INC, PALANTIR TECHNOLOGIES INC-A, SANDISK CORP, INVESCO QQQ TRUST SERIES 1.

Over the last 9 quarters its long book ran on average 1.4pp per quarter ahead of the S&P 500, beating the index in 6 of 9 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+1.7%
Q2 2024
+6.4%
Q3 2024
+2.7%
Q4 2024
-5.3%
Q1 2025
+17.7%
Q2 2025
+10.4%
Q3 2025
+1.4%
Q4 2025
-1.6%
Q1 2026
+19.1%

Sector allocation

Technology
35%
Industrials
14%
Financials
13%
Consumer discretionary
7%
Healthcare
6%
Materials
5%
Services media
5%
Utilities
4%

Long book by quarter

$77.30B
Q1 2024
$92.12B
Q2 2024
$62.07B
Q3 2024
$62.53B
Q4 2024
$55.32B
Q1 2025
$61.18B
Q2 2025
$84.67B
Q3 2025
$83.59B
Q4 2025
$92.25B
Q1 2026

What does JANE STREET own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
AVGO BROADCOM INCTechnology4.7M$1.45B1.6%+11.0%
PLTR PALANTIR TECHNOLOGIES INC-ATechnology9.2M$1.34B1.5%+79.7%
SNDK SANDISK CORPTechnology1.8M$1.14B1.2%+111.3%
DELL DELL TECHNOLOGIES -CTechnology6.1M$1.00B1.1%+654.4%
MRVL MARVELL TECHNOLOGY INCTechnology10.0M$985.9M1.1%+27.1%
TMUS T-MOBILE US INCCommunications4.5M$938.5M1.0%+234.5%
AMZN AMAZON.COM INCConsumer discretionary4.4M$914.1M1.0%+11.5%
CLS CELESTICA INCTechnology2.5M$713.5M0.8%+131.3%
CRWV COREWEAVE INC-CL ATechnology8.9M$686.1M0.7%+43.5%
LITE LUMENTUM HOLDINGS INCTechnology956.4K$672.1M0.7%+11.9%
BE BLOOM ENERGY CORP- AIndustrials4.9M$666.9M0.7%+1.9%
MU MICRON TECHNOLOGY INCTechnology1.8M$600.6M0.7%+3.0%
ORCL ORACLE CORPTechnology3.9M$575.0M0.6%+46.5%
GOOGL ALPHABET INC-CL ATechnology1.9M$555.1M0.6%-30.8%
JCI JOHNSON CONTROLS INTERNATIONIndustrials3.8M$497.0M0.5%+274.8%
VST VISTRA CORPUtilities3.3M$489.0M0.5%+18.9%
NOW SERVICENOW INCTechnology4.4M$461.6M0.5%+82.7%
C CITIGROUP INCFinancials4.0M$448.2M0.5%+318.1%
UNH UNITEDHEALTH GROUP INCFinancials1.6M$446.3M0.5%-52.5%
SHOP SHOPIFY INC - CLASS ATechnology3.5M$414.9M0.4%+1027.1%
NRG NRG ENERGY INCUtilities2.8M$413.4M0.4%+501.0%
AMAT APPLIED MATERIALS INCTechnology1.2M$407.5M0.4%+71.1%
GLW CORNING INCIndustrials3.0M$403.5M0.4%+78.9%
FANG DIAMONDBACK ENERGY INCEnergy1.9M$368.6M0.4%+28866.5%
CRWD CROWDSTRIKE HOLDINGS INC - ATechnology922.7K$360.2M0.4%+2016.7%
KEYS KEYSIGHT TECHNOLOGIES INTechnology1.2M$349.4M0.4%+310.8%
PAAS PAN AMERICAN SILVER CORPMaterials6.4M$348.2M0.4%+3488.2%
ASML ASML HOLDING NV-NY REG SHSIndustrials254.2K$335.8M0.4%+319.8%
GOOG ALPHABET INC-CL CTechnology1.2M$330.4M0.4%-44.4%
NET CLOUDFLARE INC - CLASS ATechnology1.6M$329.4M0.4%+209.9%
VZ VERIZON COMMUNICATIONS INCCommunications6.5M$328.4M0.4%+655.5%
NFLX NETFLIX INCServices media3.1M$300.6M0.3%-53.3%
BKNG BOOKING HOLDINGS INCIndustrials70.9K$298.7M0.3%+91.9%
HWM HOWMET AEROSPACE INCIndustrials1.3M$288.7M0.3%+2875.9%
SOFI SOFI TECHNOLOGIES INCFinancials18.0M$286.1M0.3%+86.7%
SNOW SNOWFLAKE INCTechnology1.7M$263.8M0.3%+266.7%
WBD WARNER BROS DISCOVERY INCCommunications9.5M$260.2M0.3%+331.2%
EQT EQT CORPEnergy4.1M$259.0M0.3%+300.6%
BSX BOSTON SCIENTIFIC CORPHealthcare4.0M$253.0M0.3%+6.3%
GM GENERAL MOTORS COIndustrials3.3M$247.2M0.3%+37.0%
CMI CUMMINS INCIndustrials451.4K$242.8M0.3%+120.6%
SOLS SOLSTICE ADV MATERIALS INCMaterials3.0M$231.2M0.3%New
CNC CENTENE CORPFinancials6.9M$226.7M0.2%+70.5%
HD HOME DEPOT INCConsumer discretionary686.4K$225.8M0.2%+15.3%
TGT TARGET CORPConsumer discretionary1.9M$224.4M0.2%+44.0%
PCG P G & E CORPUtilities12.6M$222.0M0.2%+185.1%
IEX IDEX CORPIndustrials1.2M$220.9M0.2%+47163.5%
TSLA TESLA INCIndustrials590.9K$219.7M0.2%-80.0%
JPM JPMORGAN CHASE & COFinancials740.1K$217.7M0.2%-41.6%
ATI ATI INCIndustrials1.5M$216.9M0.2%+438.0%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 12, 202619058$777.22B canonicalSEC ↗
Q4 202513F-HRFeb 12, 202617120$662.12B canonicalSEC ↗
Q3 202513F-HRNov 14, 202515825$657.11B canonicalSEC ↗
Q2 202513F-HRAug 14, 202513538$505.64B canonicalSEC ↗
Q1 202513F-HR/ARESTATEMENTMay 19, 202513402$396.97B canonicalSEC ↗
Q1 202513F-HRMay 14, 202513510$399.27B SEC ↗
Q4 202413F-HRFeb 14, 202514140$460.39B canonicalSEC ↗
Q3 202413F-HRNov 15, 202414480$453.34B canonicalSEC ↗
Q2 202413F-HRAug 15, 202414400$437.68B canonicalSEC ↗
Q1 202413F-HRMay 16, 202414073$478.36B canonicalSEC ↗