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Group One Trading

Group One Trading Portfolio holdings

AUM $52.2B
1-Year Est. Return 104.56%
This Fund
S&P 500
This Quarter Est. Return
+7.63%
1 Year Est. Return
+104.56%
3 Year Est. Return
+314.05%
5 Year Est. Return
+338.55%
10 Year Est. Return
+1,561.13%
AUM
$57.3B
AUM Growth
+$403M
Cap. Flow
+$2.35B
Cap. Flow %
4.11%
Top 10 Hldgs %
13.8%
Holding
9,446
New
1,147
Increased
2,913
Reduced
3,552
Closed
1,460

Sector Composition

Rank Sector Weight
1 Technology 1.07%
2 Financials 0.77%
3 Industrials 0.61%
4 Consumer Discretionary 0.6%
5 Healthcare 0.57%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
MCO icon
8751
PUT
Moody's
MCO
$84.2B
-4,500
Closed -$2.14M
MD icon
8752
Pediatrix Medical
MD
$2.15B
-864
Closed -$17.7K
MDB icon
8753
MongoDB
MDB
$24.9B
-178
Closed -$64.8K
MDXG icon
8754
MiMedx Group
MDXG
$635M
-12,482
Closed -$87.5K
MEC icon
8755
CALL
Mayville Engineering Co
MEC
$751M
-400
Closed -$5.5K
MEDP icon
8756
PUT
Medpace
MEDP
$16.5B
-500
Closed -$257K
MFIC icon
8757
PUT
MidCap Financial Investment
MFIC
$790M
-1,000
Closed -$12K
MGPI icon
8758
CALL
MGP Ingredients
MGPI
$384M
-1,100
Closed -$26.6K
MGY icon
8759
Magnolia Oil & Gas
MGY
$5.53B
-32,727
Closed -$744K
MGTX icon
8760
MeiraGTx Holdings
MGTX
$1.14B
-200
Closed -$1.66K
MHK icon
8761
CALL
Mohawk Industries
MHK
$7.05B
-1,400
Closed -$180K
MIRM icon
8762
CALL
Mirum Pharmaceuticals
MIRM
$6.96B
-2,400
Closed -$176K
MIRM icon
8763
PUT
Mirum Pharmaceuticals
MIRM
$6.96B
-500
Closed -$36.7K
MITK icon
8764
Mitek Systems
MITK
$768M
-7,053
Closed -$66.6K
MLM icon
8765
Martin Marietta Materials
MLM
$34.3B
-268
Closed -$167K
MLM icon
8766
PUT
Martin Marietta Materials
MLM
$34.3B
-900
Closed -$567K
MLNK
8767
CALL
DELISTED
MeridianLink
MLNK
-3,000
Closed -$59.8K
MRSH
8768
Marsh
MRSH
$87.5B
-1,108
Closed -$207K
MMS icon
8769
Maximus
MMS
$3.2B
-600
Closed -$51.3K
MMS icon
8770
PUT
Maximus
MMS
$3.2B
-100
Closed -$9.14K
MMSI icon
8771
CALL
Merit Medical Systems
MMSI
$4.54B
-2,000
Closed -$166K
MNRO icon
8772
CALL
Monro
MNRO
$529M
-500
Closed -$8.98K
MNTS icon
8773
Momentus
MNTS
$90.2M
0
-$1
MO icon
8774
Altria Group
MO
$122B
-141,495
Closed -$8.54M
ORIO
8775
Orion Digital Corp
ORIO
$15.4M
-44,932
Closed -$63.9K

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Group One Trading's Q4 2025 Portfolio in Review

As of Q4 2025, Group One Trading held 9,446 positions worth $57.3B, up 0.71% from $56.9B the previous quarter. Its ten largest holdings account for 14% of the portfolio.

Group One Trading deployed $2.35B of net new capital in Q4 2025, opening 1,147 new positions and adding to 2,913 existing holdings. Its largest new stake was Amplify Junior Silver Miners ETF: 3,756,119 shares worth $104M.

By sector, the portfolio is most concentrated in Technology at 1.1% of assets, down from 1.1% a quarter earlier, followed by Financials and Industrials.

On the sell side, the largest reduction was Iris Energy, an estimated $97M trimmed.

  • Group One Trading's largest Q4 2025 buy was Amplify Junior Silver Miners ETF: 3,756,119 shares worth $104M.
  • Group One Trading added most to Advanced Micro Devices in Q4 2025, an estimated $27.9M increase.
  • Group One Trading's biggest Q4 2025 reduction was Iris Energy, cutting an estimated $97M.
  • Group One Trading fully exited Wynn Resorts in Q4 2025, selling an estimated $29.9M.
  • Group One Trading's ten largest holdings make up 14% of its $57.3B portfolio in Q4 2025.
  • Group One Trading opened 1,147 new positions and closed 1,460 in Q4 2025.
  • Group One Trading's portfolio value rose 0.71% quarter-over-quarter to $57.3B.

Based on Group One Trading's 13F filing for Q4 2025, filed 12 Feb 2026.