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 | |
|---|---|---|---|---|---|---|
3201
PUT
Ziff Davis
ZD
$1.94B
| $422K | ﹤0.01% |
70
-90
| -56% | -$5.1K |
|
3202
CALL
Simply Good Foods
SMPL
$932M
| $421K | ﹤0.01% |
191
+134
| +235% | +$3.12K |
|
3203
CALL
EPAM Systems
EPAM
$4.92B
| $420K | ﹤0.01% |
13
+7
| +117% | +$2.09K |
|
|
EXK
3204
CALL
Endeavour Silver
EXK
$2.34B
| $420K | ﹤0.01% |
1,199
+993
| +482% | +$3.67K |
|
|
HTT
3205
PUT
High Templar Tech Ltd
HTT
$379M
| $420K | ﹤0.01% |
3,395
+322
| +10% | +$543 |
|
|
VBIV
3206
PUT
DELISTED
VBI Vaccines, Inc. New Common Stock (Canada)
VBIV
| $420K | ﹤0.01% |
49
+25
| +104% | +$2.91K |
|
|
RAD
3207
DELISTED
Rite Aid Corporation
RAD
| $420K | ﹤0.01% |
44,350
+23,241
| +110% | +$332K |
|
3208
PUT
Honda
HMC
$37.8B
| $419K | ﹤0.01% |
177
-134
| -43% | -$3.39K |
|
3209
CALL
Kennametal
KMT
$2.7B
| $419K | ﹤0.01% |
145
-31
| -18% | -$899 |
|
3210
CALL
Camtek
CAMT
$7.03B
| $418K | ﹤0.01% |
272
+91
| +50% | +$1.35K |
|
3211
Itaú Unibanco
ITUB
$92.3B
| $418K | ﹤0.01% |
144,660
-11,662
| -7% | -$39.6K |
|
3212
El Pollo Loco
LOCO
$493M
| $417K | ﹤0.01% |
25,759
+1,964
| +8% | +$32.4K |
|
3213
CALL
US Physical Therapy
USPH
$1.16B
| $417K | ﹤0.01% |
48
+20
| +71% | +$1.72K |
|
3214
SelectQuote
SLQT
$129M
| $416K | ﹤0.01% |
20,549
+19,663
| +2,219% | +$410K |
|
|
BPY
3215
PUT
DELISTED
Brookfield Property Partners L.P. Limited Partnership Units
BPY
| $416K | ﹤0.01% |
346
-791
| -70% | -$9.04K |
|
3216
PUT
Canadian National Railway
CNI
$78.2B
| $415K | ﹤0.01% |
39
-41
| -51% | -$4.12K |
|
|
INFN
3217
CALL
DELISTED
Infinera Corporation Common Stock
INFN
| $415K | ﹤0.01% |
674
-421
| -38% | -$2.95K |
|
3218
AGCO
AGCO
$8.68B
| $414K | ﹤0.01% |
+5,583
| New | +$381K |
|
3219
PUT
AeroVironment
AVAV
$7.85B
| $414K | ﹤0.01% |
69
-152
| -69% | -$11.3K |
|
3220
PUT
LiveRamp
RAMP
$2.3B
| $414K | ﹤0.01% |
80
+10
| +14% | +$500 |
|
|
CTB
3221
DELISTED
Cooper Tire & Rubber Co.
CTB
| $413K | ﹤0.01% |
+13,055
| New | +$426K |
|
3222
Digital Turbine
APPS
$1.05B
| $412K | ﹤0.01% |
12,614
-4,285
| -25% | -$92.3K |
|
3223
FuelCell Energy
FCEL
$1.7B
| $412K | ﹤0.01% |
6,424
+2,359
| +58% | +$188K |
|
3224
Futu Holdings
FUTU
$14.6B
| $412K | ﹤0.01% |
+14,415
| New | +$453K |
|
3225
PUT
KeyCorp
KEY
$24.2B
| $412K | ﹤0.01% |
346
+176
| +104% | +$2.15K |
|
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.