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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
(+36%)
Cap. Flow
-$83.6M
Cap. Flow % of AUM
Cap. Flow %
-0.12%
Top 10 Holdings %
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 |
Roundhill Memory ETF
DRAM
|
+$76.6M |
| 2 |
UnitedHealth
UNH
|
+$37.6M |
| 3 |
Booking.com
BKNG
|
+$32.7M |
| 4 |
Strategy Inc
MSTR
|
+$28.2M |
| 5 |
Marvell Technology
MRVL
|
+$27.9M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amplify Junior Silver Miners ETF
SILJ
|
+$66.7M |
| 2 |
Micron Technology
MU
|
+$62.1M |
| 3 |
iShares MSCI South Korea ETF
EWY
|
+$37.9M |
| 4 |
Intel
INTC
|
+$36.8M |
| 5 |
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 | |
|---|---|---|---|---|---|---|---|
101
CALL
Globalstar
GSAT
$11.1B
| $128M | 0.18% |
1,570,500
+161,900
| +11% | +$13M |
2014 Q2
48 quarters
|
|
102
CALL
Astera Labs
ALAB
$36.6B
| $126M | 0.18% |
260,700
+65,400
| +33% | +$17.4M |
2024 Q1
9 quarters
|
|
103
PUT
Dell
DELL
$211B
| $125M | 0.18% |
289,000
-3,900
| -1% | -$1.13M |
2016 Q3
39 quarters
|
|
104
PUT
Cisco
CSCO
$382B
| $124M | 0.18% |
1,058,900
+446,900
| +73% | +$46.7M |
2015 Q4
42 quarters
|
|
|
UWC
105
CALL
DELISTED
PROSHARES TR ULTRA RUSSELL3000
UWC
| $124M | 0.17% |
1,435,600
+141,500
| +11% | +$12.2M |
2024 Q4
6 quarters
|
|
|
106
CALL
Strategy Inc
MSTR
$50.8B
| $120M | 0.17% |
1,379,500
-371,000
| -21% | -$53.9M |
2020 Q3
23 quarters
|
|
107
PUT
Nebius Group N.V.
NBIS
$36.9B
| $119M | 0.17% |
432,600
+60,700
| +16% | +$12M |
2024 Q4
6 quarters
|
|
108
CALL
Wolfspeed
WOLF
$1.37B
| $117M | 0.16% |
2,416,600
+1,863,100
| +337% | +$81.1M |
2016 Q3
39 quarters
|
|
109
CALL
Energy Transfer Partners
ET
$65.2B
| $116M | 0.16% |
6,048,000
+1,246,100
| +26% | +$24.1M |
2013 Q2
52 quarters
|
|
110
CALL
Eaton
ETN
$135B
| $115M | 0.16% |
270,900
+187,500
| +225% | +$75.6M |
2018 Q4
30 quarters
|
|
111
CALL
ASML
ASML
$579B
| $115M | 0.16% |
57,700
+6,900
| +14% | +$11M |
2020 Q4
22 quarters
|
|
112
CALL
State Street Technology Select Sector SPDR ETF
XLK
$112B
| $114M | 0.16% |
598,600
+175,000
| +41% | +$29.9M |
2024 Q4
6 quarters
|
|
113
CALL
IBM
IBM
$230B
| $114M | 0.16% |
404,900
+283,400
| +233% | +$71.4M |
2017 Q4
34 quarters
|
|
114
CALL
CoreWeave
CRWV
$26.3B
| $112M | 0.16% |
1,129,200
-532,200
| -32% | -$57.5M |
2025 Q2
4 quarters
|
|
115
PUT
Western Digital
WDC
$105B
| $112M | 0.16% |
175,500
+10,000
| +6% | +$4.86M |
2015 Q4
42 quarters
|
|
116
CALL
ServiceNow
NOW
$104B
| $111M | 0.16% |
1,117,700
+650,200
| +139% | +$64.4M |
2013 Q2
52 quarters
|
|
117
CALL
Applied Materials
AMAT
$291B
| $110M | 0.16% |
152,500
+16,200
| +12% | +$7.47M |
2016 Q4
38 quarters
|
|
|
118
Roundhill Memory ETF
DRAM
$18.9B
| $109M | 0.15% |
+1,470,486
| New | +$76.6M |
2026 Q2
0 quarters
|
|
119
CALL
Amplify Online Retail ETF
IBUY
$126M
| $108M | 0.15% |
4,185,700
+35,200
| +0.8% | +$2.35M |
2024 Q4
6 quarters
|
|
120
CALL
JPMorgan Chase
JPM
$913B
| $108M | 0.15% |
330,300
+34,500
| +12% | +$10.7M |
2015 Q3
43 quarters
|
|
|
SCIU
121
PUT
DELISTED
Global X Scientific Beta US ETF
SCIU
| $108M | 0.15% |
2,100,700
+346,400
| +20% | +$17.8M |
2024 Q4
6 quarters
|
|
122
PUT
Netflix
NFLX
$261B
| $108M | 0.15% |
1,512,200
+359,500
| +31% | +$31.7M |
2015 Q3
43 quarters
|
|
123
PUT
KKR & Co
KKR
$88.3B
| $107M | 0.15% |
1,169,100
+261,500
| +29% | +$25.4M |
2013 Q2
52 quarters
|
|
124
PUT
Palantir
PLTR
$401B
| $107M | 0.15% |
917,300
+326,800
| +55% | +$44.6M |
2020 Q4
22 quarters
|
|
125
PUT
SpaceX
SPCX
$1.88T
| $107M | 0.15% |
+623,400
| New | +$106M |
2026 Q2
0 quarters
|
|
Similar funds
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.