GROUP ONE TRADING LLCGROUP ONE TRADING LLC

Institutional investor · Portfolio as of Q4 2019

Top Holdings5,086 positions

Checking export access…
Activity:
??MEDICINES CO
CALL
Delisted
2.2M$189.7M1.3%———
Increased
—
??BK OF AMERICA CORP
CALL
Delisted
4.8M$167.4M1.1%———
Decreased
—
??TESLA INC
PUT
Delisted
373,200$156.1M1.1%———
Decreased
—
??DISNEY WALT CO
CALL
Delisted
795,500$115.1M0.8%———
Decreased
—
??GENERAL ELECTRIC CO
CALL
Delisted
10M$111.4M0.8%———
Increased
—
??BOEING CO
CALL
Delisted
334,800$109.1M0.7%———
Increased
—
SLXSLX
CALL

VANECK ETF TRUST

3.5M$102.6M0.7%———
Increased
—
??DISNEY WALT CO
PUT
Delisted
694,600$100.5M0.7%———
Increased
—
??ALLERGAN PLC
PUT
Delisted
490,400$93.8M0.6%———
Increased
—
1.5M$85.7M0.6%———
Increased
—
1.6M$75.6M0.5%———
Increased
—
??MEDICINES CO
PUT
Delisted
865,700$73.5M0.5%———
Decreased
—
??CVS HEALTH CORP
CALL
Delisted
965,700$71.7M0.5%———
Increased
—
1.2M$71.2M0.5%———
Decreased
—
??GENERAL ELECTRIC CO
PUT
Delisted
6.3M$70.8M0.5%———
Decreased
—
356,200$67.6M0.5%———
Increased
—
??JD.COM INC
CALL
Delisted
1.9M$66.3M0.5%———
Decreased
—
309,900$65.7M0.4%———
Decreased
—
??AT&T INC
CALL
Delisted
1.7M$65.7M0.4%———
Increased
—
??QUALCOMM INC
CALL
Delisted
724,700$63.9M0.4%———
Decreased
—
$14.7B
AUM
5,086
Positions
Q4 2019
Filing
HI score · 1.5/5
Quarterly 13F Value Change
-31%Q1'19$815.7M+18%Q2'19$959.8M+10%Q3'19$1.1B+29%Q4'19$1.4B
Activity profile
$ moved · Q4'19
New8%Increased54%Decreased30%Exited8%
Composition
Equity vs derivatives
Equity9%Puts40%Calls51%
Holding period
Avg 3.2 quarters
<1Q9%1-4Q26%1-2Y65%2Y+0%

GROUP ONE TRADING LLC manages $14.7B across 5086 positions as of Q4 2019. Top holdings: MEDICINES CO calls (1.3%), BK OF AMERICA CORP calls (1.1%), TESLA INC puts (1.1%). Fund DNA: Diversified Scout. HoldingsIntel Score: 1.5/5.0.

Q4 2019 Summary

Active quarter - 450 new positions, 426 exits, 435 increased. No standout high-conviction moves this quarter. Portfolio: $14.7B across 5086 positions.

Top holdings by portfolio weight

Total AUM$1B
GE0.26%
UBER0.23%
SLV0.17%
DIS0.16%
NEM0.16%
CRM0.15%
BABA0.13%
ALLY0.12%
KHC0.12%
CS0.11%
Other0.10%

Portfolio allocation by GICS sector

Sectors11
Unknown24.04%
Technology16.76%
Healthcare12.05%
Consumer Cyclical11.09%
Basic Materials7.12%
Financial Services6.70%
Communication Services6.41%
Industrials4.98%
Consumer Defensive4.06%
Energy4.05%
Other2.76%

Behavioral investing profile

Checking access…
Diversified Scout- primarily Unknown, Technology, Healthcare
Compare DNA across all funds
7-dimension, SEC 13F-derived research score
Below Average(1.5 / 5.0)
Holdings P&L32
Conviction34
Concentration1
Checking access…

Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Similar Funds

Funds with similar investing DNA

Accumulation Streaks

Positions with 2+ consecutive quarters of increases - persistent directional conviction.

Security
6Q
ONITONITONITY GROUP INC COM NEW
Q1 2025 → Q2 2026+25,022 shares+$1M
5Q
DRIPDRIPDIREXION SHARES ETF TRUST
Q2 2025 → Q2 2026+35,089 shares+$176,534
5Q
MOSMOSMOSAIC CO NEW
Q2 2025 → Q2 2026+578,055 shares+$12.1M
Checking access…

Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

Verify source filings on SEC EDGAR

Analytics tracking helps us improve the product. Essential functions stay on either way. How analytics data is used