Jane Street Group

Jane Street Group

Period

Q1 2026

Portfolio Date

Mar 31, 2026

Stocks Held

5,738

Market Value

$91.9B

Portfolio Analysis

AIPreview
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I. Institutional Overview

Jane Street Group stands as a titan in the modern financial landscape, representing the pinnacle of quantitative trading and global liquidity provision. As of the first quarter of 2026, specifically the reporting period ending March 31, 2026, the institution manages a staggering portfolio value of approximately $91.89 billion. This scale places Jane Street...

The institution's current portfolio composition reveals a psychological portrait of extreme diversification and tactical agility. With a total of 5,738 individual holdings, Jane Street exhibits an investment style that is the antithesis of concentration. While a traditional value investor might hold 20 to 50 high-conviction stocks, Jane Street’s massive...

The reported portfolio value of $91.89 billion represents a significant footprint in the U.S. equity markets. When examining the scale trend, the sheer number of stocks held indicates that the institution is operating at a level where it must interact with almost every liquid security available. This "diversified investment" approach is a classic hallmark...

Based on the latest available 13F filing.

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Holdings Value Trend

Q2 2024

Q3 2024

Q4 2024

Q1 2025

Q2 2025

Q3 2025

Q4 2025

Q1 2026

Top 5 Holdings

1

$ETF-SPY

SPDR S&P 500 ETF Trust

1.7%

% of Portfolio

2

$AVGO

Broadcom Inc.

0.2%

% of Portfolio

3

$PLTR

Palantir Technologies Inc.

0.2%

% of Portfolio

4

$SNDK

Sandisk Corporation

0.1%

% of Portfolio

5

$ETF-QQQ

Invesco QQQ Trust Series I

0.1%

% of Portfolio

Historical Positions

SymbolQ1 2026Q4 2025Q3 2025Q2 2025
ETF-SPY1.7%1.0%0.2%-
AVGO0.2%0.2%--
PLTR0.2%---
SNDK0.1%---
ETF-QQQ0.1%---
DELL0.1%--0.2%
MRVL0.1%---
TMUS0.1%--0.2%
AMZN0.1%---
ETF-IWM0.1%---

Post-Filing Contributors

Price change since reported price, ranked by portfolio contribution

ETF-SPY+13.44%
SNDK+196.14%
MU+194.78%
MRVL+183.40%
BE+83.69%

Post-Filing Detractors

Price change since reported price, ranked by portfolio contribution

PLTR-10.39%
TMUS-11.53%
SHOP-6.87%
NOW-1.41%
NRG-15.36%

Sector Analysis

Energy4.7%
Others2.3%
Materials5.8%
Utilities3.1%
Financials12.3%
Healthcare7.3%
Technology33.7%
Industrials10.8%

Trading Summary

1

$ETF-AGG

0.0%

2

$ETF-SOXX

0.0%

3

$SOLS

0.0%

4

$AZN

0.0%

5

$ETF-BINC

0.0%

6

$ETF-NXUS

0.0%

7

$ETF-SCHF

0.0%

8

$CDE

0.0%

9

$CTRE

0.0%

10

$DLR

0.0%

11

$ELS

0.0%

12

$ETF-AIA

0.0%

13

$ETF-ASHR

0.0%

14

$ETF-BBIN

0.0%

15

$ETF-BKLN

0.0%

16

$ETF-CWI

0.0%

17

$ETF-DFIC

0.0%

18

$ETF-DIHP

0.0%

19

$ETF-EIS

0.0%

20

$ETF-IQLT

0.0%

All Holdings

1

$ETF-SPY

1.7%

2

$AVGO

0.2%

3

$PLTR

0.2%

4

$SNDK

0.1%

5

$ETF-QQQ

0.1%

6

$DELL

0.1%

7

$MRVL

0.1%

8

$TMUS

0.1%

9

$AMZN

0.1%

10

$ETF-IWM

0.1%

11

$CLS

0.1%

12

$CRWV

0.1%

13

$LITE

0.1%

14

$BE

0.1%

15

$ETF-SPDW

0.1%

16

$ETF-SLV

0.1%

17

$MU

0.1%

18

$ORCL

0.1%

19

$GOOGL

0.1%

20

$ETF-VT

0.1%

21

$JCI

0.1%

22

$VST

0.1%

23

$ETF-IEMG

0.1%

24

$NOW

0.1%

25

$C

0.1%

26

$UNH

0.1%

27

$SHOP

0.1%

28

$NRG

0.1%

29

$AMAT

0.1%

30

$GLW

0.1%

31

$FANG

0.1%

32

$CRWD

0.1%

33

$KEYS

0.0%

34

$PAAS

0.0%

35

$ASML

0.0%

36

$GOOG

0.0%

37

$NET

0.0%

38

$VZ

0.0%

39

$NFLX

0.0%

40

$BKNG

0.0%

41

$HWM

0.0%

42

$SOFI

0.0%

43

$ETF-IEFA

0.0%

44

$SNOW

0.0%

45

$WBD

0.0%

46

$EQT

0.0%

47

$BSX

0.0%

48

$GM

0.0%

49

$ETF-EWY

0.0%

50

$TSM

0.0%