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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 · 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 · CRWD · increased +79.4%

Shares
5,359,080
Share change
2,371,856
Reported value
$2,092,238,423
Filed
2026-05-12
CRWDSEC EDGAR ↗

2026-03-31 · CRWV · increased +24.9%

Shares
47,081,791
Share change
9,386,202
Reported value
$3,647,426,349
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 · DOCN · increased +262.9%

Shares
1,843,522
Share change
1,335,525
Reported value
$158,137,318
Filed
2026-05-12
DOCNSEC 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 · GTLB · decreased -3.2%

Shares
4,694,229
Share change
-155,181
Reported value
$101,583,117
Filed
2026-05-12
GTLBSEC 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 · 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 · 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 · PYPL · increased +39.5%

Shares
19,175,843
Share change
5,429,719
Reported value
$867,323,379
Filed
2026-05-12
PYPLSEC 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 · SNDK · increased +156.8%

Shares
7,511,354
Share change
4,586,372
Reported value
$4,772,263,651
Filed
2026-05-12
SNDKSEC 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 ↗