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 |
Invesco QQQ Trust
QQQ
|
+$77.3M |
| 2 |
SPDR Gold Trust
GLD
|
+$73.2M |
| 3 |
iShares MSCI EAFE ETF
EFA
|
+$38.5M |
| 4 |
Netflix
NFLX
|
+$38.4M |
| 5 |
NVIDIA
NVDA
|
+$36.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$55.9M |
| 2 |
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
|
+$28.3M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$23.1M |
| 4 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$23.1M |
| 5 |
Adobe
ADBE
|
+$22M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.49% |
| 2 | Consumer Discretionary | 0.47% |
| 3 | Communication Services | 0.34% |
| 4 | Healthcare | 0.26% |
| 5 | Financials | 0.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
201
PUT
Teladoc Health
TDOC
$1.63B
| $33.1M | 0.05% |
1,732
+826
| +91% | +$145K |
|
202
PUT
CVS Health
CVS
$140B
| $33M | 0.05% |
5,087
-1,385
| -21% | -$87.2K |
|
203
CALL
PepsiCo
PEP
$185B
| $32.9M | 0.05% |
2,490
-920
| -27% | -$121K |
|
204
PUT
Etsy
ETSY
$7.82B
| $32.8M | 0.05% |
3,085
+2,303
| +295% | +$170K |
|
205
CALL
Target
TGT
$62.8B
| $32.8M | 0.05% |
2,732
-1,445
| -35% | -$165K |
|
|
206
CALL
CVS Health
CVS
$140B
| $32.8M | 0.05% |
5,042
-3,976
| -44% | -$250K |
|
207
PUT
Wynn Resorts
WYNN
$9.85B
| $32.7M | 0.05% |
4,387
+185
| +4% | +$14.8K |
|
208
CALL
Twilio
TWLO
$28B
| $32.6M | 0.05% |
1,488
+357
| +32% | +$57.3K |
|
209
PUT
Expedia Group
EXPE
$31.9B
| $32.6M | 0.05% |
3,963
-2,215
| -36% | -$161K |
|
210
PUT
Match Group
MTCH
$8.84B
| $32.4M | 0.05% |
3,024
+824
| +37% | +$68.9K |
|
|
KFYP
211
PUT
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $32M | 0.05% |
5,167
+2,896
| +128% | +$73K |
|
|
212
PUT
Twilio
TWLO
$28B
| $32M | 0.05% |
1,458
+266
| +22% | +$42.7K |
|
|
213
PUT
Target
TGT
$62.8B
| $31.9M | 0.05% |
2,660
-565
| -18% | -$64.5K |
|
214
PUT
Clorox
CLX
$11.7B
| $31.8M | 0.05% |
1,448
+179
| +14% | +$35.8K |
|
215
PUT
Skyworks Solutions
SWKS
$9.42B
| $31.7M | 0.05% |
2,477
+443
| +22% | +$49.1K |
|
216
VanEck Gold Miners ETF
GDX
$23.6B
| $31M | 0.05% |
846,321
+658,697
| +351% | +$21.7M |
|
217
CALL
Zscaler
ZS
$23.3B
| $31M | 0.05% |
2,829
+2,018
| +249% | +$168K |
|
218
PUT
Electronic Arts
EA
$52.4B
| $31M | 0.05% |
2,344
+1,212
| +107% | +$143K |
|
219
PUT
Okta
OKTA
$24.1B
| $30.9M | 0.05% |
1,542
+279
| +22% | +$47.4K |
|
220
PUT
Lowe's Companies
LOW
$114B
| $30.8M | 0.05% |
2,283
+124
| +6% | +$14.2K |
|
221
CALL
Caterpillar
CAT
$415B
| $30.7M | 0.05% |
2,430
+850
| +54% | +$101K |
|
222
PUT
Comcast
CMCSA
$85.2B
| $30.6M | 0.05% |
7,856
-3,256
| -29% | -$124K |
|
223
CALL
Lockheed Martin
LMT
$119B
| $30.4M | 0.05% |
832
-408
| -33% | -$154K |
|
224
CALL
Procter & Gamble
PG
$350B
| $30.4M | 0.05% |
2,539
+207
| +9% | +$24.1K |
|
225
CALL
Baidu
BIDU
$36.6B
| $30.3M | 0.05% |
2,531
-697
| -22% | -$74.6K |
|
Similar funds
Simplex Trading's Q2 2020 Portfolio in Review
As of Q2 2020, Simplex Trading held 8,917 positions worth $62.7B, up 11% from $56.7B the previous quarter. Its ten largest holdings account for 44% of the portfolio.
Simplex Trading's Q2 2020 filing shows 1,290 new, 3,427 increased, 2,723 reduced and 1,278 closed positions. Its largest new stake was iShares MSCI EAFE ETF: 665,841 shares worth $40.5M. The largest sale was Apple, an estimated $55.9M.
By sector, the portfolio is most concentrated in Technology at 0.49% of assets, up from 0.49% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- Simplex Trading's largest Q2 2020 buy was iShares MSCI EAFE ETF: 665,841 shares worth $40.5M.
- Simplex Trading added most to Invesco QQQ Trust in Q2 2020, an estimated $77.3M increase.
- Simplex Trading's biggest Q2 2020 reduction was Apple, cutting an estimated $55.9M.
- Simplex Trading fully exited Adobe in Q2 2020, selling an estimated $22M.
- Simplex Trading's ten largest holdings make up 44% of its $62.7B portfolio in Q2 2020.
- Simplex Trading opened 1,290 new positions and closed 1,278 in Q2 2020.
- Simplex Trading's portfolio value rose 11% quarter-over-quarter to $62.7B.
Based on Simplex Trading's 13F filing for Q2 2020, filed 13 Jul 2020.