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Group One Trading

Group One Trading Portfolio holdings

AUM $71.1B Turnover 29.39%
1-Year Est. Return 128.96%
 

Group One Trading is an options trading firm that acts as a market maker or specialist with every major exchange group. It was founded in San Francisco in 1989 and is headquartered in Chicago. Its traders work on exchange floors, including the CBOE and Nasdaq PHLX, and also stream two-sided quotes electronically across several exchanges at once. The firm builds its own trading systems and trains new traders itself through a multi-phase program.

This Fund
S&P 500
This Quarter Est. Return
+44.6%
1 Year Est. Return
+128.96%
3 Year Est. Return
+441.59%
5 Year Est. Return
+457.71%
10 Year Est. Return
+2,189.15%
AUM
$71.1B
AUM Growth
+$18.9B
Cap. Flow
-$83.6M
Cap. Flow %
-0.12%
Top 10 Hldgs %
17.81%
Holding
8,773
New
1,278
Increased
2,793
Reduced
2,995
Closed
1,300
Avg Time Held Equity + Options
3.2 years
Top 10 Avg Time Held Equity + Options
1.1 years
Top 20 Avg Time Held Equity + Options
2.2 years
Avg Time Held Equity only
0.8 years
Top 10 Avg Time Held Equity only
0.1 years
Top 20 Avg Time Held Equity only
0.2 years

Top Buys

Rank Stock Value
1
DRAM icon
Roundhill Memory ETF
DRAM
+$76.6M
2
UNH icon
UnitedHealth
UNH
+$37.6M
3
BKNG icon
Booking.com
BKNG
+$32.7M
4
MSTR icon
Strategy Inc
MSTR
+$28.2M
5
MRVL icon
Marvell Technology
MRVL
+$27.9M

Top Sells

Rank Stock Value
1
SILJ icon
Amplify Junior Silver Miners ETF
SILJ
+$66.7M
2
MU icon
Micron Technology
MU
+$62.1M
3
EWY icon
iShares MSCI South Korea ETF
EWY
+$37.9M
4
INTC icon
Intel
INTC
+$36.8M
5
CNC icon
Centene
CNC
+$31.2M

Sector Composition

Rank Sector Weight
1 Miscellaneous 95.94%
2 Technology 1.27%
3 Consumer Discretionary 0.56%
4 Healthcare 0.51%
5 Industrials 0.38%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
NBIS icon
26
CALL
Nebius Group N.V.
NBIS
$38.5B
$425M 0.6%
1,539,400
-52,000
-3% -$10.3M
2024 Q4
6 quarters
UNH icon
27
PUT
UnitedHealth
UNH
$356B
$360M 0.51%
865,600
-119,700
-12% -$44.4M
2019 Q3
27 quarters
TSM icon
28
CALL
TSMC
TSM
$2.02T
$358M 0.5%
749,400
+303,300
+68% +$123M
2013 Q2
52 quarters
GS icon
29
CALL
Goldman Sachs
GS
$261B
$344M 0.48%
340,100
+181,500
+114% +$177M
2020 Q2
24 quarters
LLY icon
30
PUT
Eli Lilly
LLY
$1.26T
$333M 0.47%
277,800
-42,000
-13% -$42.9M
2015 Q2
44 quarters
FSLR icon
31
CALL
First Solar
FSLR
$20.6B
$326M 0.46%
1,382,000
+179,400
+15% +$42.1M
2015 Q1
45 quarters
BABA icon
32
CALL
Alibaba
BABA
$262B
$319M 0.45%
3,324,200
+56,800
+2% +$7.12M
2014 Q3
47 quarters
AVGO icon
33
CALL
Broadcom
AVGO
$1.53T
$316M 0.44%
836,800
+199,600
+31% +$80M
2015 Q2
44 quarters
INTC icon
34
PUT
Intel
INTC
$316B
$305M 0.43%
2,186,700
-262,600
-11% -$26.6M
2015 Q4
42 quarters
XNTK icon
35
CALL
State Street SPDR NYSE Technology ETF
XNTK
$1.74B
$294M 0.41%
2,629,500
+1,190,500
+83% +$398M
2024 Q4
6 quarters
SCIU
36
CALL
DELISTED
Global X Scientific Beta US ETF
SCIU
$294M 0.41%
4,216,700
-223,800
-5% -$15.6M
2024 Q4
6 quarters
NVDA icon
37
PUT
NVIDIA
NVDA
$4.31T
$288M 0.41%
1,439,700
+351,100
+32% +$72.2M
2015 Q3
43 quarters
BE icon
38
CALL
Bloom Energy
BE
$57.3B
$285M 0.4%
941,300
-294,900
-24% -$75.6M
2018 Q3
31 quarters
USO icon
39
CALL
United States Oil Fund
USO
$1.82B
$275M 0.39%
2,579,100
-547,900
-18% -$71.8M
2014 Q4
46 quarters
USO icon
40
PUT
United States Oil Fund
USO
$1.82B
$274M 0.39%
2,575,600
+451,300
+21% +$59.1M
2014 Q4
46 quarters
MAGX icon
41
CALL
Roundhill Daily 2X Long Magnificent Seven ETF
MAGX
$60.6M
$272M 0.38%
+3,678,800
New +$201M
2026 Q2
0 quarters
ARM icon
42
CALL
Arm
ARM
$199B
$269M 0.38%
757,600
-84,500
-10% -$22.5M
2023 Q3
11 quarters
TECL icon
43
CALL
Direxion Daily Technology Bull 3x ETF
TECL
$4.16B
$267M 0.38%
1,209,400
+66,600
+6% +$12M
2021 Q1
21 quarters
ASST icon
44
CALL
Strive Inc
ASST
$2.73B
$264M 0.37%
24,201,900
-10,217,600
-30% -$151M
2025 Q2
4 quarters
AVGO icon
45
PUT
Broadcom
AVGO
$1.53T
$262M 0.37%
693,700
+58,000
+9% +$23.3M
2015 Q2
44 quarters
SLV icon
46
CALL
iShares Silver Trust
SLV
$25.9B
$259M 0.36%
4,848,300
-2,328,200
-32% -$154M
2014 Q4
46 quarters
ASTS icon
47
CALL
AST SpaceMobile
ASTS
$11.1B
$252M 0.35%
2,836,700
+182,100
+7% +$15.9M
2021 Q1
21 quarters
LRCX icon
48
CALL
Lam Research
LRCX
$277B
$236M 0.33%
544,100
+82,900
+18% +$25.2M
2015 Q3
43 quarters
PLTR icon
49
CALL
Palantir
PLTR
$408B
$231M 0.32%
1,977,800
+366,900
+23% +$50.1M
2020 Q4
22 quarters
NFLX icon
50
CALL
Netflix
NFLX
$263B
$229M 0.32%
3,202,200
+820,900
+34% +$72.3M
2015 Q3
43 quarters
1
2
3 4 5

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Group One Trading's Q2 2026 Portfolio in Review

As of Q2 2026, Group One Trading held 8,773 positions worth $71.1B, up 36% from $52.2B the previous quarter. Its ten largest holdings account for 18% of the portfolio.

Group One Trading's Q2 2026 filing shows 1,278 new, 2,793 increased, 2,995 reduced and 1,300 closed positions. Its largest new stake was Roundhill Memory ETF: 1,470,486 shares worth $109M. The largest sale was Amplify Junior Silver Miners ETF, an estimated $66.7M.

By sector, the portfolio is most concentrated in Miscellaneous at 96% of assets, up from 95% a quarter earlier, followed by Technology and Consumer Discretionary.

  • Group One Trading's largest Q2 2026 buy was Roundhill Memory ETF: 1,470,486 shares worth $109M.
  • Group One Trading added most to UnitedHealth in Q2 2026, an estimated $37.6M increase.
  • Group One Trading's biggest Q2 2026 reduction was Amplify Junior Silver Miners ETF, cutting an estimated $66.7M.
  • Group One Trading fully exited Centene in Q2 2026, selling an estimated $31.2M.
  • Group One Trading's ten largest holdings make up 18% of its $71.1B portfolio in Q2 2026.
  • Group One Trading opened 1,278 new positions and closed 1,300 in Q2 2026.
  • Group One Trading's portfolio value rose 36% quarter-over-quarter to $71.1B.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.