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 | |
|---|---|---|---|---|---|---|
51
CALL
Walt Disney
DIS
$167B
| $197M | 0.21% |
2,266,900
-59,000
| -3% | -$5.64M |
|
52
CALL
Costco
COST
$412B
| $190M | 0.21% |
416,300
+77,600
| +23% | +$37.9M |
|
|
53
CALL
Berkshire Hathaway Class B
BRK.B
$1.06T
| $190M | 0.21% |
614,300
+373,200
| +155% | +$111M |
|
54
CALL
Procter & Gamble
PG
$345B
| $189M | 0.21% |
1,249,000
+153,500
| +14% | +$21.5M |
|
55
CALL
Visa
V
$677B
| $189M | 0.21% |
910,300
+72,500
| +9% | +$14.6M |
|
56
CALL
Nike
NKE
$63.7B
| $185M | 0.2% |
1,583,400
+18,300
| +1% | +$1.84M |
|
57
PUT
ExxonMobil
XOM
$629B
| $185M | 0.2% |
1,676,800
-177,100
| -10% | -$19M |
|
|
58
CALL
Citigroup
C
$223B
| $185M | 0.2% |
4,085,700
+1,452,600
| +55% | +$66M |
|
|
59
CALL
ExxonMobil
XOM
$629B
| $185M | 0.2% |
1,681,400
-741,500
| -31% | -$79.4M |
|
60
PUT
Salesforce
CRM
$139B
| $183M | 0.2% |
1,380,600
+136,500
| +11% | +$19.9M |
|
61
CALL
Goldman Sachs
GS
$320B
| $183M | 0.2% |
531,800
+133,700
| +34% | +$46.5M |
|
62
PUT
Boeing
BA
$161B
| $180M | 0.2% |
946,100
-20,300
| -2% | -$3.32M |
|
63
PUT
Chevron
CVX
$381B
| $179M | 0.19% |
994,500
+197,700
| +25% | +$34.5M |
|
64
CALL
Cisco
CSCO
$442B
| $174M | 0.19% |
3,646,800
+729,200
| +25% | +$33.2M |
|
65
PUT
First Solar
FSLR
$22.1B
| $172M | 0.19% |
1,151,400
+446,400
| +63% | +$66.1M |
|
|
KFYP
66
CALL
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $165M | 0.18% |
5,477,300
+253,600
| +5% | +$5.76M |
|
67
PUT
Booking.com
BKNG
$139B
| $165M | 0.18% |
2,050,000
+1,345,000
| +191% | +$102M |
|
68
CALL
iShares Morningstar Value ETF
ILCV
$1.3B
| $165M | 0.18% |
2,815,000
-206,200
| -7% | -$12.9M |
|
|
69
Amazon
AMZN
$2.66T
| $164M | 0.18% |
1,956,696
+1,718,104
| +720% | +$170M |
|
70
CALL
Walmart Inc
WMT
$878B
| $164M | 0.18% |
3,896,400
+750,900
| +24% | +$35.7M |
|
71
PUT
PayPal
PYPL
$49.3B
| $163M | 0.18% |
2,283,600
-30,400
| -1% | -$2.43M |
|
72
CALL
Qualcomm
QCOM
$183B
| $161M | 0.18% |
1,467,100
+451,700
| +44% | +$52.9M |
|
73
CALL
Pfizer
PFE
$142B
| $160M | 0.17% |
3,123,700
+1,141,000
| +58% | +$54.7M |
|
74
CALL
Home Depot
HD
$331B
| $160M | 0.17% |
514,700
+256,500
| +99% | +$78.1M |
|
75
PUT
VanEck Durable High Dividend ETF
DURA
$38.1M
| $160M | 0.17% |
535,400
+174,300
| +48% | +$5.37M |
|
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.