GROUP ONE TRADING LLC

CIK 0000932540 · Q1 2026

13F Equity AUM

$52.2B

-8.9% QoQ

Positions

6,036

-292 QoQ

AUM Rank

#232

Top 2%

Skill Alpha (FF)

+0.6%/yr^ns

No Clear Edge

Rank #1,865 · Top 23%

vs S&P -0.9%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 9.7%Top 10: 14.4%Top 20: 21.4%

GLD3.3%

TSLA2.0%

META PLATFORMS INC1.7%

UNH1.4%

GLD1.3%

AAPL1.0%

MU1.0%

TSLA0.9%

NVDA0.9%

SLV0.9%

Others (6026)85.6%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Unclassified39.9%

Technology15.4%

Fund8.9%

Financial Services7.2%

Healthcare6.2%

Consumer Cyclical4.9%

Energy4.8%

Industrials4.0%

Other8.8%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 6036Median: 0.00%Avg: 0.02%

0–0.5%

6013(77.1%)

0.5–1%

18(13.3%)

1–3%

4(6.4%)

3–5%

1(3.3%)

5%+

0(0.0%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 2,092Unique: 3,944vs 20 funds

18.6%Moderate

6,036

Fund positions

7,299

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

Most Similar Funds

Top 9 benchmark funds with highest portfolio overlap (Jaccard similarity)

JPMORGAN CHASE & CO

19.9%

MORGAN STANLEY

12.5%

BlackRock, Inc.

13.1%

BANK OF AMERICA CORP /DE/

11.9%

GEODE CAPITAL MANAGEMENT, LLC

13.2%

VANGUARD CAPITAL MANAGEMENT LLC

12.8%

STATE STREET CORP

12.5%

VANGUARD PORTFOLIO MANAGEMENT LLC

11.9%

FMR LLC

10.8%

Jaccard similarity per fund: shared CUSIPs / (fund A + fund B − shared). Higher values indicate more similar portfolios.

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Position Changes This Quarter

New1224Increased2508Decreased3749Exited1746

New Positions

STRIVE INC0.7%

+34.4M

DIREXION SHARES ETF …0.1%

+1.0M

FICO0.1%

+33K

URNM0.1%

+578K

EWY0.1%

+252K

AMCOR PLC0.1%

+826K

STRIVE INC0.1%

+3.1M

VOLATILITY SHS TR0.0%

+477K

UNP0.0%

+54K

BX0.0%

+155K

Increased

LAES0.1%

+7.9M(+80%)

OWL0.1%

+7.0M(+632%)

QUINCE THERAPEUTICS …0.0%

+6.3M(+45329%)

AG0.2%

+4.4M(+610%)

IBRX0.1%

+4.2M(+299%)

SLV0.9%

+2.9M(+67%)

UNITED STS OIL FD LP0.8%

+2.8M(+916%)

HECLA MINING COMPANY0.1%

+2.7M(+707%)

VALE0.2%

+2.6M(+73%)

LODE0.0%

+2.2M(+2223%)

Decreased

SEQUANS COMMUNICATIO…0.0%

-5,536,000(-80%)

NNDM0.0%

-5,287,400(-100%)

ETHZ0.0%

-4,888,200(-81%)

EOSE0.1%

-4,382,600(-38%)

IREN LIMITED0.3%

-4,182,300(-52%)

BYND0.0%

-4,100,800(-70%)

POET0.1%

-4,081,200(-37%)

TIGR0.0%

-4,053,231(-95%)

AMC ENTMT HLDGS INC0.0%

-4,035,200(-95%)

IREN LIMITED0.4%

-3,549,600(-40%)

Exited

CFLT

-1,128,700

NEW GOLD INC CDA

-3,882,300

AMD

-150,696

CMA-PB

-311,900

NOVA LTD

-71,900

SATA

-29,858,700

GUESS INC

-1,497,100

CIDARA THERAPEUTICS …

-65,000

PLTR

-87,951

NEM

-153,462

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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