Simplex Trading Portfolio holdings
Simplex Trading, founded in 2004 and headquartered in Chicago, Illinois, is a technology-driven proprietary trading firm specializing in market-making and liquidity provision, primarily in U.S. equity options and futures options. Leveraging advanced proprietary software and data-driven analysis, the firm optimizes trading strategies and develops innovative solutions to capitalize on financial market opportunities, maintaining a competitive edge through automation and a collaborative team of technologists and traders. With a workforce exceeding 300 and led by CEO Erik Swanson since 2014, Simplex operates with a low-ego, high-intelligence culture, focusing on minimal bureaucracy and rapid execution, while also making strategic venture capital investments in fintech startups. Recognized as a top workplace in Chicago by Built In’s 2025 awards, Simplex continues to evolve, blending cutting-edge technology with a commitment to market efficiency and growth.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$170M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$71.3M |
| 3 |
AT&T
T
|
+$44.2M |
| 4 |
Meta Platforms (Facebook)
META
|
+$37.1M |
| 5 |
iShares MSCI Emerging Markets ETF
EEM
|
+$34.4M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Microsoft
MSFT
|
+$94.3M |
| 2 |
JPMorgan Chase
JPM
|
+$68.2M |
| 3 |
Citigroup
C
|
+$62.8M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$50.9M |
| 5 |
SPDR Gold Trust
GLD
|
+$46.3M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.38% |
| 2 | Technology | 0.35% |
| 3 | Communication Services | 0.24% |
| 4 | Healthcare | 0.2% |
| 5 | Consumer Staples | 0.13% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1576
CALL
Ecolab
ECL
$75.6B
| $2.94M | ﹤0.01% |
20,200
+9,800
| +94% | +$1.44M |
|
1577
CALL
First Trust Consumer Discretionary AlphaDEX Fund
FXD
$263M
| $2.94M | ﹤0.01% |
60,200
+6,900
| +13% | +$331K |
|
1578
Direxion Daily 20+ Year Treasury Bull 3X ETF
TMF
$2.22B
| $2.94M | ﹤0.01% |
38,575
+35,219
| +1,049% | +$2.85M |
|
1579
CALL
Molina Healthcare
MOH
$10.3B
| $2.94M | ﹤0.01% |
8,900
+4,600
| +107% | +$1.56M |
|
|
OSH
1580
CALL
DELISTED
Oak Street Health, Inc.
OSH
| $2.94M | ﹤0.01% |
136,600
-124,700
| -48% | -$2.61M |
|
|
TRTN
1581
PUT
DELISTED
Triton International Limited
TRTN
| $2.94M | ﹤0.01% |
42,700
+3,200
| +8% | +$203K |
|
1582
Five Below
FIVE
$11.2B
| $2.92M | ﹤0.01% |
16,528
+13,142
| +388% | +$2.07M |
|
1583
PUT
Owens Corning
OC
$11.5B
| $2.92M | ﹤0.01% |
34,200
-3,000
| -8% | -$263K |
|
1584
CALL
Fluor
FLR
$7.29B
| $2.89M | ﹤0.01% |
83,500
-25,700
| -24% | -$821K |
|
1585
EQT Corp
EQT
$33.2B
| $2.89M | ﹤0.01% |
85,488
-40,536
| -32% | -$1.63M |
|
1586
CoreCivic
CXW
$3.1B
| $2.88M | ﹤0.01% |
249,629
+31,535
| +14% | +$350K |
|
|
HOFV
1587
CALL
DELISTED
Hall of Fame Resort & Entertainment Co
HOFV
| $2.88M | ﹤0.01% |
358,000
+340,991
| +2,005% | +$4.31M |
|
1588
PUT
Camping World
CWH
$363M
| $2.88M | ﹤0.01% |
129,200
+14,100
| +12% | +$366K |
|
1589
CALL
Coty
COTY
$2.33B
| $2.87M | ﹤0.01% |
335,600
-28,500
| -8% | -$209K |
|
1590
PUT
J.M. Smucker
SJM
$12.6B
| $2.87M | ﹤0.01% |
18,100
-5,500
| -23% | -$819K |
|
|
TTM.RT
1591
PUT
DELISTED
TATA MOTORS LIMITED RT PUR ADR
TTM.RT
| $2.87M | ﹤0.01% |
124,100
+36,200
| +41% | +$836K |
|
1592
CALL
United Therapeutics
UTHR
$26.3B
| $2.86M | ﹤0.01% |
10,300
-5,300
| -34% | -$1.34M |
|
1593
Elanco Animal Health
ELAN
$12.4B
| $2.86M | ﹤0.01% |
234,310
+46,620
| +25% | +$581K |
|
1594
CALL
LKQ Corp
LKQ
$6.58B
| $2.86M | ﹤0.01% |
53,600
+43,000
| +406% | +$2.27M |
|
1595
CALL
Bloom Energy
BE
$52.6B
| $2.86M | ﹤0.01% |
149,600
+26,600
| +22% | +$522K |
|
1596
PUT
TAL Education Group
TAL
$5.71B
| $2.86M | ﹤0.01% |
405,700
+112,200
| +38% | +$622K |
|
|
EXE
1597
PUT
Expand Energy Corp
EXE
$21.9B
| $2.86M | ﹤0.01% |
30,300
-148,600
| -83% | -$14.7M |
|
1598
PUT
Norfolk Southern
NSC
$78.8B
| $2.86M | ﹤0.01% |
11,600
+1,700
| +17% | +$402K |
|
1599
PUT
EPR Properties
EPR
$4.86B
| $2.85M | ﹤0.01% |
75,500
+73,200
| +3,183% | +$2.85M |
|
1600
Icahn Enterprises
IEP
$5.17B
| $2.84M | ﹤0.01% |
+56,138
| New | +$2.93M |
|
Similar funds
Simplex Trading's Q4 2022 Portfolio in Review
As of Q4 2022, Simplex Trading held 11,206 positions worth $91.9B, up 3.9% from $88.5B the previous quarter. Its ten largest holdings account for 34% of the portfolio.
Simplex Trading's Q4 2022 filing shows 1,219 new, 3,365 increased, 4,370 reduced and 1,942 closed positions. Its largest new stake was iShares MSCI Emerging Markets ETF: 932,756 shares worth $35.4M. The largest sale was Microsoft, an estimated $94.3M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.38% of assets, up from 0.3% a quarter earlier, followed by Technology and Communication Services.
- Simplex Trading's largest Q4 2022 buy was iShares MSCI Emerging Markets ETF: 932,756 shares worth $35.4M.
- Simplex Trading added most to Amazon in Q4 2022, an estimated $170M increase.
- Simplex Trading's biggest Q4 2022 reduction was Microsoft, cutting an estimated $94.3M.
- Simplex Trading fully exited JPMorgan Chase in Q4 2022, selling an estimated $68.2M.
- Simplex Trading's ten largest holdings make up 34% of its $91.9B portfolio in Q4 2022.
- Simplex Trading opened 1,219 new positions and closed 1,942 in Q4 2022.
- Simplex Trading's portfolio value rose 3.9% quarter-over-quarter to $91.9B.
Based on Simplex Trading's 13F filing for Q4 2022, filed 2 Feb 2023.