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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
+4.89%
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
$52.2B
AUM Growth
-$5.1B
Cap. Flow
-$3.15B
Cap. Flow %
-6.03%
Top 10 Hldgs %
14.41%
Holding
9,098
New
1,117
Increased
2,438
Reduced
3,609
Closed
1,601

Top Buys

Rank Stock Value
1
URA icon
Global X Uranium ETF
URA
+$63.3M
2
TSM icon
TSMC
TSM
+$41.1M
3
URNM icon
Sprott Uranium Miners ETF
URNM
+$39.5M
4
MU icon
Micron Technology
MU
+$37.1M
5
KKR icon
KKR & Co
KKR
+$34.7M

Sector Composition

Rank Sector Weight
1 Technology 0.95%
2 Financials 0.68%
3 Consumer Discretionary 0.63%
4 Materials 0.56%
5 Healthcare 0.54%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
MIRM icon
8301
Mirum Pharmaceuticals
MIRM
$6.89B
-872
Closed -$68.9K
MITK icon
8302
PUT
Mitek Systems
MITK
$762M
-200
Closed -$2.11K
MITT
8303
TPG Mortgage Investment Trust
MITT
$230M
-4,197
Closed -$34.7K
MJ icon
8304
Amplify Alternative Harvest ETF
MJ
$101M
-8,254
Closed -$246K
MKSI icon
8305
MKS Inc
MKSI
$22.2B
-6
Closed -$1.36K
MKSI icon
8306
PUT
MKS Inc
MKSI
$22.2B
-1,100
Closed -$176K
MKTX icon
8307
MarketAxess Holdings
MKTX
$4.15B
-298
Closed -$52.2K
MLGO
8308
CALL
MicroAlgo
MLGO
$45.6M
-3,900
Closed -$17.2K
MLGO
8309
PUT
MicroAlgo
MLGO
$45.6M
-100
Closed -$442
MLI icon
8310
Mueller Industries
MLI
$14.1B
-400
Closed -$24K
MLR icon
8311
CALL
Miller Industries
MLR
$586M
-100
Closed -$3.74K
MMI icon
8312
Marcus & Millichap
MMI
$1.15B
-100
Closed -$2.73K
MMLP icon
8313
Martin Midstream Partners
MMLP
$95.9M
-900
Closed -$2.35K
MMSI icon
8314
PUT
Merit Medical Systems
MMSI
$4.43B
-100
Closed -$8.81K
MNOV icon
8315
CALL
MediciNova
MNOV
$65M
-300
Closed -$393
MNSO icon
8316
MINISO
MNSO
$3.64B
-3,942
Closed -$72.3K
MORN icon
8317
CALL
Morningstar
MORN
$6.56B
-6,300
Closed -$1.37M
MOV icon
8318
CALL
Movado Group
MOV
$812M
-200
Closed -$4.12K
MPB icon
8319
CALL
Mid Penn Bancorp
MPB
$942M
-100
Closed -$3.1K
MPB icon
8320
PUT
Mid Penn Bancorp
MPB
$942M
-600
Closed -$18.6K
MPWR icon
8321
Monolithic Power Systems
MPWR
$65.5B
-929
Closed -$1.01M
MRAM icon
8322
Everspin Technologies
MRAM
$354M
-18,963
Closed -$209K
MRAM icon
8323
PUT
Everspin Technologies
MRAM
$354M
-1,000
Closed -$9.28K
MRSN
8324
CALL
DELISTED
Mersana Therapeutics
MRSN
-29,800
Closed -$862K
MRSN
8325
DELISTED
Mersana Therapeutics
MRSN
-1,073
Closed -$31K

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Group One Trading's Q1 2026 Portfolio in Review

As of Q1 2026, Group One Trading held 9,098 positions worth $52.2B, down 8.9% from $57.3B the previous quarter. Its ten largest holdings account for 14% of the portfolio.

Group One Trading withdrew a net $3.15B in Q1 2026, closing 1,601 positions and reducing 3,609 holdings. Its most notable exit was Advanced Micro Devices, an estimated $32.2M position sold in full.

By sector, the portfolio is most concentrated in Technology at 0.95% of assets, down from 1.1% a quarter earlier, followed by Financials and Consumer Discretionary.

Against the trend, Group One Trading opened a new position in Sprott Uranium Miners ETF worth $36.5M.

  • Group One Trading's largest Q1 2026 buy was Sprott Uranium Miners ETF: 578,353 shares worth $36.5M.
  • Group One Trading added most to Global X Uranium ETF in Q1 2026, an estimated $63.3M increase.
  • Group One Trading's biggest Q1 2026 reduction was Amplify Junior Silver Miners ETF, cutting an estimated $44.3M.
  • Group One Trading fully exited Advanced Micro Devices in Q1 2026, selling an estimated $32.2M.
  • Group One Trading's ten largest holdings make up 14% of its $52.2B portfolio in Q1 2026.
  • Group One Trading opened 1,117 new positions and closed 1,601 in Q1 2026.
  • Group One Trading's portfolio value fell 8.9% quarter-over-quarter to $52.2B.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.