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
|
+$102M |
| 2 |
TSMC
TSM
|
+$27.8M |
| 3 |
JPMorgan Chase
JPM
|
+$22.4M |
| 4 |
Boeing
BA
|
+$19.4M |
| 5 |
ExxonMobil
XOM
|
+$14.7M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
SPDR Gold Trust
GLD
|
+$95.5M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$79.6M |
| 3 |
Tesla
TSLA
|
+$75.3M |
| 4 |
NVIDIA
NVDA
|
+$51.6M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.53% |
| 2 | Technology | 0.4% |
| 3 | Healthcare | 0.22% |
| 4 | Financials | 0.21% |
| 5 | Communication Services | 0.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2501
Starbucks
SBUX
$118B
| $785K | ﹤0.01% |
9,140
-240,357
| -96% | -$19.2M |
|
2502
CALL
Fluor
FLR
$7.29B
| $783K | ﹤0.01% |
889
-243
| -21% | -$2.56K |
|
2503
PUT
Main Street Capital
MAIN
$4.97B
| $783K | ﹤0.01% |
265
+25
| +10% | +$766 |
|
|
JMIA
2504
CALL
Jumia Technologies
JMIA
$726M
| $782K | ﹤0.01% |
979
+822
| +524% | +$8.27K |
|
2505
CALL
MGIC Investment
MTG
$6.27B
| $782K | ﹤0.01% |
883
+478
| +118% | +$4.07K |
|
|
JOYY
2506
JOYY Inc
JOYY
$3.73B
| $781K | ﹤0.01% |
+9,688
| New | +$794K |
|
|
CRON
2507
CALL
Cronos Group
CRON
$1.05B
| $780K | ﹤0.01% |
1,558
-2,257
| -59% | -$13.2K |
|
2508
JetBlue
JBLU
$1.96B
| $780K | ﹤0.01% |
68,908
-13,217
| -16% | -$148K |
|
2509
CALL
Insulet
PODD
$11.3B
| $780K | ﹤0.01% |
33
-1
| -3% | -$211 |
|
|
TWO
2510
PUT
Two Harbors Investment
TWO
$1.27B
| $780K | ﹤0.01% |
384
+17
| +5% | +$361 |
|
|
NEPT
2511
CALL
DELISTED
Neptune Wellness Solutions Inc. Ordinary Shares
NEPT
| $779K | ﹤0.01% |
3
| – | – |
|
|
APRN
2512
PUT
DELISTED
Blue Apron Holdings, Inc. Class A Common Stock
APRN
| $779K | ﹤0.01% |
91
-43
| -32% | -$4.92K |
|
2513
PUT
Aecom
ACM
$9.07B
| $778K | ﹤0.01% |
186
-297
| -61% | -$11.3K |
|
2514
PUT
GFL Environmental
GFL
$14.3B
| $778K | ﹤0.01% |
366
+359
| +5,129% | +$7.22K |
|
2515
PUT
Bank OZK
OZK
$5.49B
| $778K | ﹤0.01% |
365
-136
| -27% | -$3.17K |
|
|
JMIA
2516
Jumia Technologies
JMIA
$726M
| $777K | ﹤0.01% |
97,343
+54,563
| +128% | +$549K |
|
2517
CALL
Pembina Pipeline
PBA
$29.9B
| $777K | ﹤0.01% |
366
+116
| +46% | +$2.85K |
|
2518
KKR & Co
KKR
$89.2B
| $776K | ﹤0.01% |
22,605
+18,924
| +514% | +$662K |
|
|
LITS
2519
CALL
Lite Strategy Inc
LITS
$33.6M
| $775K | ﹤0.01% |
124
+112
| +933% | +$6.75K |
|
|
ITCI
2520
DELISTED
Intra-Cellular Therapies Inc.
ITCI
| $775K | ﹤0.01% |
30,207
-18,427
| -38% | -$420K |
|
2521
Devon Energy
DVN
$51.9B
| $773K | ﹤0.01% |
81,784
+72,847
| +815% | +$767K |
|
2522
CALL
Interactive Brokers
IBKR
$40.9B
| $773K | ﹤0.01% |
640
+200
| +45% | +$2.49K |
|
2523
CALL
Methanex
MEOH
$4.32B
| $773K | ﹤0.01% |
317
-104
| -25% | -$2.21K |
|
|
STOR
2524
CALL
DELISTED
STORE Capital Corporation
STOR
| $773K | ﹤0.01% |
282
-803
| -74% | -$20.4K |
|
2525
CALL
BILL Holdings
BILL
$4.33B
| $772K | ﹤0.01% |
77
+9
| +13% | +$819 |
|
Similar funds
Simplex Trading's Q3 2020 Portfolio in Review
As of Q3 2020, Simplex Trading held 9,056 positions worth $73.5B, up 17% from $62.7B the previous quarter. Its ten largest holdings account for 43% of the portfolio.
Simplex Trading's Q3 2020 filing shows 1,403 new, 3,135 increased, 3,122 reduced and 1,191 closed positions. Its largest new stake was Goldman Sachs: 60,397 shares worth $12.1M. The largest sale was SPDR Gold Trust, an estimated $95.5M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.53% of assets, up from 0.47% a quarter earlier, followed by Technology and Healthcare.
- Simplex Trading's largest Q3 2020 buy was Goldman Sachs: 60,397 shares worth $12.1M.
- Simplex Trading added most to Amazon in Q3 2020, an estimated $102M increase.
- Simplex Trading's biggest Q3 2020 reduction was SPDR Gold Trust, cutting an estimated $95.5M.
- Simplex Trading fully exited iShares MSCI EAFE ETF in Q3 2020, selling an estimated $40.5M.
- Simplex Trading's ten largest holdings make up 43% of its $73.5B portfolio in Q3 2020.
- Simplex Trading opened 1,403 new positions and closed 1,191 in Q3 2020.
- Simplex Trading's portfolio value rose 17% quarter-over-quarter to $73.5B.
Based on Simplex Trading's 13F filing for Q3 2020, filed 14 Oct 2020.