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 |
Microsoft
MSFT
|
+$114M |
| 2 |
NVIDIA
NVDA
|
+$85.9M |
| 3 |
Citigroup
C
|
+$61.5M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.5M |
| 5 |
Pfizer
PFE
|
+$41.6M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$467M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$71.2M |
| 3 |
Meta Platforms (Facebook)
META
|
+$47.6M |
| 4 |
Intel
INTC
|
+$41.9M |
| 5 |
TSMC
TSM
|
+$35.9M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.51% |
| 2 | Financials | 0.35% |
| 3 | Consumer Discretionary | 0.3% |
| 4 | Healthcare | 0.25% |
| 5 | Industrials | 0.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1176
CALL
BioMarin Pharmaceuticals
BMRN
$11.5B
| $5.2M | 0.01% |
61,400
+17,500
| +40% | +$1.56M |
|
1177
CALL
HDFC Bank
HDB
$119B
| $5.2M | 0.01% |
178,000
-51,000
| -22% | -$1.57M |
|
1178
PUT
ALPS REIT Dividend Dogs ETF
RDOG
$11.6M
| $5.19M | 0.01% |
142,000
+42,500
| +43% | +$1.86M |
|
1179
CALL
Tractor Supply
TSCO
$16.3B
| $5.19M | 0.01% |
139,500
+67,500
| +94% | +$2.63M |
|
1180
Mondelez International
MDLZ
$77.7B
| $5.18M | 0.01% |
+94,560
| New | +$5.87M |
|
|
CRON
1181
PUT
Cronos Group
CRON
$1.05B
| $5.17M | 0.01% |
1,832,600
+176,000
| +11% | +$542K |
|
|
SPWR
1182
PUT
DELISTED
SunPower Corporation Common Stock
SPWR
| $5.17M | 0.01% |
224,300
+94,200
| +72% | +$2.12M |
|
1183
PUT
Scorpio Tankers
STNG
$3.96B
| $5.16M | 0.01% |
122,800
-27,000
| -18% | -$1.08M |
|
|
PPLC
1184
CALL
DELISTED
PortfolioPlus S&P 500 ETF
PPLC
| $5.16M | 0.01% |
634,100
+108,900
| +21% | +$887K |
|
|
BERY
1185
PUT
DELISTED
Berry Global Group, Inc.
BERY
| $5.15M | 0.01% |
120,552
+116,958
| +3,254% | +$5.88M |
|
1186
CALL
Travelers Companies
TRV
$80.8B
| $5.15M | 0.01% |
33,600
+12,200
| +57% | +$1.98M |
|
1187
CALL
Jabil
JBL
$32.8B
| $5.14M | 0.01% |
89,000
+62,100
| +231% | +$3.61M |
|
1188
EQT Corp
EQT
$33.2B
| $5.13M | 0.01% |
126,024
+70,187
| +126% | +$3.04M |
|
1189
PUT
Kimberly-Clark
KMB
$36.4B
| $5.13M | 0.01% |
45,600
+2,800
| +7% | +$364K |
|
1190
CALL
Ventas
VTR
$48.9B
| $5.12M | 0.01% |
127,400
+13,300
| +12% | +$653K |
|
1191
PUT
DaVita
DVA
$15.1B
| $5.12M | 0.01% |
61,800
+8,500
| +16% | +$745K |
|
1192
CALL
InMode
INMD
$872M
| $5.11M | 0.01% |
175,700
+88,500
| +101% | +$2.74M |
|
1193
Marriott International
MAR
$98.7B
| $5.11M | 0.01% |
36,477
+5,060
| +16% | +$773K |
|
1194
State Street Health Care Select Sector SPDR ETF
XLV
$42.1B
| $5.1M | 0.01% |
+42,147
| New | +$5.43M |
|
1195
PUT
VICI Properties
VICI
$29.4B
| $5.1M | 0.01% |
170,900
+1,700
| +1% | +$56.1K |
|
1196
Nutrien
NTR
$32.7B
| $5.09M | 0.01% |
61,069
+3,626
| +6% | +$312K |
|
1197
CALL
Stem
STEM
$49.2M
| $5.08M | 0.01% |
19,040
+11,320
| +147% | +$2.9M |
|
1198
PUT
Axsome Therapeutics
AXSM
$12.4B
| $5.08M | 0.01% |
113,800
-93,900
| -45% | -$4.69M |
|
|
CPE
1199
CALL
DELISTED
Callon Petroleum Company
CPE
| $5.07M | 0.01% |
144,900
+4,900
| +4% | +$196K |
|
1200
Global X Lithium & Battery Tech ETF
LIT
$1.49B
| $5.06M | 0.01% |
76,590
+59,898
| +359% | +$4.45M |
|
Similar funds
Simplex Trading's Q3 2022 Portfolio in Review
As of Q3 2022, Simplex Trading held 11,570 positions worth $88.5B, down 6% from $94.1B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
Simplex Trading's Q3 2022 filing shows 1,564 new, 4,281 increased, 3,851 reduced and 1,575 closed positions. Its largest new stake was Microsoft: 432,062 shares worth $101M. The largest sale was Apple, an estimated $467M.
By sector, the portfolio is most concentrated in Technology at 0.51% of assets, down from 0.84% a quarter earlier, followed by Financials and Consumer Discretionary.
- Simplex Trading's largest Q3 2022 buy was Microsoft: 432,062 shares worth $101M.
- Simplex Trading added most to NVIDIA in Q3 2022, an estimated $85.9M increase.
- Simplex Trading's biggest Q3 2022 reduction was Apple, cutting an estimated $467M.
- Simplex Trading fully exited iShares Core S&P 500 ETF in Q3 2022, selling an estimated $34.3M.
- Simplex Trading's ten largest holdings make up 38% of its $88.5B portfolio in Q3 2022.
- Simplex Trading opened 1,564 new positions and closed 1,575 in Q3 2022.
- Simplex Trading's portfolio value fell 6% quarter-over-quarter to $88.5B.
Based on Simplex Trading's 13F filing for Q3 2022, filed 4 Nov 2022.