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Institutional 13F data

Jane Street Group, LLC 13F

See 6,585 stock and ETF positions for Q1 2026, including 4,156 new or increased positions and 3,795 reductions or exits, with the original SEC filing. Put and call options are excluded.

13F filing follow-along calculator

If KRW 1,000,000 followed the new and increased positions

Checking current prices and calculating the KRW 1,000,000 result.

Jane Street Group, LLC 13F top holdings

Q1 2026 · 6,585 stock & ETF positions · Filed 2026-05-12 · Data updated 2026-07-07

View original SEC filings ↗

Ranked by quarter-end stock and ETF value reported on Form 13F. Put and call options are excluded. These are not current market values or execution prices.

Reported stock & ETF value
$163.14B
Top 10 concentration
18.6%
#1
SPYSTATE STR SPDR S&P 500 ETF T
Reported value
$13.2B
Portfolio weight
14.30%

Quarterly change: increased +103.5%

Reported value
$2.32B
Portfolio weight
0.30%

Quarterly change: increased +17.2%

#3
WDCWESTERN DIGITAL CORP
Reported value
$2.22B
Portfolio weight
0.29%

Quarterly change: increased +13.5%

#4
XLESELECT SECTOR SPDR TR
Reported value
$2.13B
Portfolio weight
0.27%

Quarterly change: decreased -12.2%

#5
FSLRFIRST SOLAR INC
Reported value
$1.92B
Portfolio weight
0.25%

Quarterly change: decreased -12.9%

#6
STXSEAGATE TECHNOLOGY HLDNGS PL
Reported value
$1.89B
Portfolio weight
0.24%

Quarterly change: increased +10.6%

#7
EEMISHARES TR
Reported value
$1.86B
Portfolio weight
0.24%

Quarterly change: increased +29.1%

#8
GDXVANECK ETF TRUST
Reported value
$1.72B
Portfolio weight
0.22%

Quarterly change: decreased -40.2%

#9
BABOEING CO
Reported value
$1.66B
Portfolio weight
0.21%

Quarterly change: increased +5.7%

Reported value
$1.45B
Portfolio weight
1.57%

Quarterly change: increased +11.0%

#11
IVVISHARES TR
Reported value
$1.42B
Portfolio weight
0.18%

Quarterly change: increased +14.4%

#12
XLISELECT SECTOR SPDR TR
Reported value
$1.37B
Portfolio weight
0.18%

Quarterly change: increased +282.0%

Largest new or increased positions

#1
SPYSTATE STR SPDR S&P 500 ETF T
Reported value
$13.2B
Portfolio weight
14.30%

Quarterly change: increased +103.5%

Reported value
$2.32B
Portfolio weight
0.30%

Quarterly change: increased +17.2%

#3
WDCWESTERN DIGITAL CORP
Reported value
$2.22B
Portfolio weight
0.29%

Quarterly change: increased +13.5%

#4
STXSEAGATE TECHNOLOGY HLDNGS PL
Reported value
$1.89B
Portfolio weight
0.24%

Quarterly change: increased +10.6%

#5
EEMISHARES TR
Reported value
$1.86B
Portfolio weight
0.24%

Quarterly change: increased +29.1%

#6
BABOEING CO
Reported value
$1.66B
Portfolio weight
0.21%

Quarterly change: increased +5.7%

Reported value
$1.45B
Portfolio weight
1.57%

Quarterly change: increased +11.0%

#8
IVVISHARES TR
Reported value
$1.42B
Portfolio weight
0.18%

Quarterly change: increased +14.4%

Latest 13F filing snapshot

Reporting period
2026-03-31
Filed
2026-05-12
Stock & ETF positions
6,585
New or increased
4,156
Reduced or exited
3,795
Unchanged
25

Top reported buys

OLOXRXTCRDUMQ

Counts cover unique stock and ETF positions and exclude put and call options, so they can differ from the SEC information-table row count. Form 13F reports quarter-end holdings and does not reveal every trade date or execution price.

View original SEC filings ↗

Detailed changes for published stocks

2026-03-31 · ALAB · increased +11.9%

Shares
3,734,342
Share change
397,128
Reported value
$409,283,883
Filed
2026-05-12
ALABSEC EDGAR ↗

2026-03-31 · APP · increased +17.2%

Shares
5,840,061
Share change
857,074
Reported value
$2,324,344,278
Filed
2026-05-12
APPSEC EDGAR ↗

2026-03-31 · BLND · decreased -7.5%

Shares
1,870,870
Share change
-151,692
Reported value
$3,180,479
Filed
2026-05-12
BLNDSEC EDGAR ↗

2026-03-31 · CAR · decreased -87.3%

Shares
470,700
Share change
-3,235,599
Reported value
$68,651,595
Filed
2026-05-12
CARSEC EDGAR ↗

2026-03-31 · COIN · increased +0.7%

Shares
15,753,096
Share change
109,505
Reported value
$2,750,648,093
Filed
2026-05-12
COINSEC EDGAR ↗

2026-03-31 · CRWV · increased +43.5%

Shares
8,856,691
Share change
2,684,781
Reported value
$686,127,852
Filed
2026-05-12
CRWVSEC EDGAR ↗

2026-03-31 · DDOG · increased +20.2%

Shares
4,372,124
Share change
734,750
Reported value
$516,129,238
Filed
2026-05-12
DDOGSEC EDGAR ↗

2026-03-31 · DELL · increased +61.2%

Shares
17,220,300
Share change
6,537,732
Reported value
$2,826,367,839
Filed
2026-05-12
DELLSEC EDGAR ↗

2026-03-31 · FNKO · increased +1794.6%

Shares
799,536
Share change
757,335
Reported value
$2,518,538
Filed
2026-05-12
FNKOSEC EDGAR ↗

2026-03-31 · GCO · new position

Shares
183,000
Share change
183,000
Reported value
$5,305,170
Filed
2026-05-12
GCOSEC EDGAR ↗

2026-03-31 · GLBE · increased +188.6%

Shares
1,609,089
Share change
1,051,539
Reported value
$49,640,395
Filed
2026-05-12
GLBESEC EDGAR ↗

2026-03-31 · HIMS · increased +67.1%

Shares
13,375,570
Share change
5,371,040
Reported value
$277,676,833
Filed
2026-05-12
HIMSSEC EDGAR ↗

2026-03-31 · INV · increased +420.7%

Shares
418,900
Share change
338,451
Reported value
$1,637,899
Filed
2026-05-12
INVSEC EDGAR ↗

2026-03-31 · MESO · decreased -24.1%

Shares
851,286
Share change
-270,303
Reported value
$13,092,779
Filed
2026-05-12
MESOSEC EDGAR ↗

2026-03-31 · MRVL · increased +6.1%

Shares
29,441,690
Share change
1,692,689
Reported value
$2,916,199,395
Filed
2026-05-12
MRVLSEC EDGAR ↗

2026-03-31 · NET · increased +72.6%

Shares
4,833,139
Share change
2,032,943
Reported value
$997,269,901
Filed
2026-05-12
NETSEC EDGAR ↗

2026-03-31 · NEXT · increased +71.2%

Shares
3,496,600
Share change
1,454,193
Reported value
$26,783,956
Filed
2026-05-12
NEXTSEC EDGAR ↗

2026-03-31 · NFLX · increased +63.2%

Shares
63,195,555
Share change
24,472,788
Reported value
$6,076,252,613
Filed
2026-05-12
NFLXSEC EDGAR ↗

2026-03-31 · NOW · increased +98.9%

Shares
13,978,634
Share change
6,950,663
Reported value
$1,461,466,184
Filed
2026-05-12
NOWSEC EDGAR ↗

2026-03-31 · PLTR · increased +56.7%

Shares
67,278,035
Share change
24,343,743
Reported value
$9,841,430,960
Filed
2026-05-12
PLTRSEC EDGAR ↗

2026-03-31 · RDDT · decreased -1.1%

Shares
4,203,113
Share change
-46,748
Reported value
$565,949,165
Filed
2026-05-12
RDDTSEC EDGAR ↗

2026-03-31 · RDW · increased +147.4%

Shares
3,322,323
Share change
1,979,428
Reported value
$28,239,745
Filed
2026-05-12
RDWSEC EDGAR ↗

2026-03-31 · SNAP · decreased -6.2%

Shares
26,785,318
Share change
-1,770,458
Reported value
$123,212,462
Filed
2026-05-12
SNAPSEC EDGAR ↗

2026-03-31 · TSLA · increased +19.5%

Shares
96,307,904
Share change
15,715,516
Reported value
$35,802,463,312
Filed
2026-05-12
TSLASEC EDGAR ↗

2026-03-31 · ZS · increased +33.3%

Shares
2,298,194
Share change
574,117
Reported value
$322,413,636
Filed
2026-05-12
ZSSEC EDGAR ↗