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 | |
|---|---|---|---|---|---|---|
|
MFA
2151
PUT
MFA Financial
MFA
$929M
| $1.4M | ﹤0.01% |
142,200
-11,000
| -7% | -$111K |
|
2152
CALL
HealthEquity
HQY
$7.91B
| $1.4M | ﹤0.01% |
22,700
-9,600
| -30% | -$645K |
|
2153
CALL
Rocket Pharmaceuticals
RCKT
$348M
| $1.4M | ﹤0.01% |
71,500
+33,400
| +88% | +$615K |
|
2154
CALL
Teleflex
TFX
$5.85B
| $1.4M | ﹤0.01% |
5,600
+1,700
| +44% | +$375K |
|
|
AZUL
2155
PUT
DELISTED
Azul
AZUL
| $1.4M | ﹤0.01% |
228,500
-1,900
| -0.8% | -$14.8K |
|
2156
PUT
Aegon
AEG
$13.5B
| $1.39M | ﹤0.01% |
276,700
+34,500
| +14% | +$160K |
|
2157
CALL
AdaptHealth
AHCO
$1.46B
| $1.39M | ﹤0.01% |
72,400
-85,100
| -54% | -$1.8M |
|
2158
Global Payments
GPN
$22.1B
| $1.39M | ﹤0.01% |
+14,007
| New | +$1.46M |
|
|
FINV
2159
CALL
FinVolution Group
FINV
$1.12B
| $1.39M | ﹤0.01% |
280,300
+257,800
| +1,146% | +$1.21M |
|
2160
CALL
AbCellera Biologics
ABCL
$1.62B
| $1.39M | ﹤0.01% |
137,200
-8,100
| -6% | -$93.6K |
|
|
NEWR
2161
PUT
DELISTED
New Relic, Inc.
NEWR
| $1.39M | ﹤0.01% |
24,600
-10,000
| -29% | -$566K |
|
2162
CALL
Wendy's
WEN
$1.33B
| $1.39M | ﹤0.01% |
61,300
-145,700
| -70% | -$3.11M |
|
|
PPL
2163
CALL
PPL Corp
PPL
$27.3B
| $1.39M | ﹤0.01% |
47,400
-36,600
| -44% | -$1.01M |
|
2164
PUT
Target Hospitality
TH
$1.61B
| $1.39M | ﹤0.01% |
91,500
+46,700
| +104% | +$629K |
|
|
GES
2165
CALL
DELISTED
Guess Inc
GES
| $1.38M | ﹤0.01% |
66,900
+23,400
| +54% | +$430K |
|
|
DQ
2166
CALL
Daqo New Energy
DQ
$790M
| $1.38M | ﹤0.01% |
35,800
-48,300
| -57% | -$2.36M |
|
2167
CALL
Macerich
MAC
$7.32B
| $1.38M | ﹤0.01% |
122,800
+10,300
| +9% | +$116K |
|
2168
PUT
Roper Technologies
ROP
$36.3B
| $1.38M | ﹤0.01% |
3,200
+1,200
| +60% | +$494K |
|
2169
PUT
Hartford Financial Services
HIG
$38.5B
| $1.38M | ﹤0.01% |
18,200
+10,600
| +139% | +$763K |
|
2170
PUT
Tower Semiconductor
TSEM
$26.4B
| $1.38M | ﹤0.01% |
31,900
+21,900
| +219% | +$952K |
|
2171
PUT
Hecla Mining
HL
$10.2B
| $1.38M | ﹤0.01% |
247,800
+5,400
| +2% | +$26.8K |
|
2172
J.M. Smucker
SJM
$12.6B
| $1.38M | ﹤0.01% |
8,690
-2,189
| -20% | -$326K |
|
2173
PUT
Sempra
SRE
$60.8B
| $1.38M | ﹤0.01% |
17,800
-2,000
| -10% | -$155K |
|
2174
PUT
Texas Roadhouse
TXRH
$12.7B
| $1.37M | ﹤0.01% |
15,100
-16,200
| -52% | -$1.56M |
|
2175
CALL
Liquidia Corp
LQDA
$7.67B
| $1.37M | ﹤0.01% |
215,000
-249,300
| -54% | -$1.34M |
|
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.