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 | |
|---|---|---|---|---|---|---|
1226
Invesco CurrencyShares Canadian Dollar Trust
FXC
$69.4M
| $2.86M | ﹤0.01% |
39,374
+20,032
| +104% | +$1.43M |
|
1227
CALL
HubSpot
HUBS
$10.2B
| $2.85M | ﹤0.01% |
127
-21
| -14% | -$3.78K |
|
|
ZGNX
1228
PUT
DELISTED
Zogenix, Inc.
ZGNX
| $2.85M | ﹤0.01% |
1,055
+914
| +648% | +$25.2K |
|
1229
PUT
EPR Properties
EPR
$4.82B
| $2.85M | ﹤0.01% |
859
+343
| +66% | +$10.2K |
|
1230
PUT
NNN REIT
NNN
$9.32B
| $2.84M | ﹤0.01% |
801
+701
| +701% | +$22.9K |
|
1231
CALL
Williams Companies
WMB
$91.5B
| $2.84M | ﹤0.01% |
1,494
+986
| +194% | +$18.3K |
|
1232
PUT
Sempra
SRE
$61.1B
| $2.84M | ﹤0.01% |
484
+188
| +64% | +$11.6K |
|
|
P
1233
CALL
Everpure Inc
P
$24.8B
| $2.83M | ﹤0.01% |
1,635
+1,252
| +327% | +$18.8K |
|
1234
CALL
Blackstone Mortgage Trust
BXMT
$2.82B
| $2.83M | ﹤0.01% |
1,175
+846
| +257% | +$19.4K |
|
1235
iShares Russell 1000 Growth ETF
IWF
$123B
| $2.83M | ﹤0.01% |
+58,980
| New | +$2.6M |
|
1236
CALL
Dave & Buster's
PLAY
$350M
| $2.83M | ﹤0.01% |
2,121
+1,226
| +137% | +$16.3K |
|
1237
PUT
Eaton
ETN
$160B
| $2.83M | ﹤0.01% |
323
+51
| +19% | +$4.2K |
|
|
KSU
1238
CALL
DELISTED
Kansas City Southern
KSU
| $2.82M | ﹤0.01% |
189
+4
| +2% | +$562 |
|
1239
CALL
Lumentum
LITE
$60.7B
| $2.82M | ﹤0.01% |
346
-3
| -0.9% | -$229 |
|
|
RUTH
1240
PUT
DELISTED
Ruth's Hospitality Group, Inc.
RUTH
| $2.81M | ﹤0.01% |
3,448
+3,185
| +1,211% | +$27.8K |
|
1241
PUT
Itaú Unibanco
ITUB
$92.1B
| $2.81M | ﹤0.01% |
8,234
+1,809
| +28% | +$5.87K |
|
1242
Direxion Daily Junior Gold Miners Index Bull 2X ETF
JNUG
$363M
| $2.81M | ﹤0.01% |
25,462
-16,129
| -39% | -$1.36M |
|
1243
CALL
RenaissanceRe
RNR
$13.6B
| $2.8M | ﹤0.01% |
+164
| New | +$26.9K |
|
1244
PUT
US Foods
USFD
$21.3B
| $2.8M | ﹤0.01% |
1,421
+1,145
| +415% | +$21.9K |
|
1245
CALL
Encompass Health
EHC
$11.3B
| $2.8M | ﹤0.01% |
568
-407
| -42% | -$22K |
|
1246
Shopify
SHOP
$148B
| $2.8M | ﹤0.01% |
29,480
+28,880
| +4,813% | +$2M |
|
1247
CALL
Appian
APPN
$1.7B
| $2.79M | ﹤0.01% |
545
+346
| +174% | +$16.9K |
|
1248
PUT
C.H. Robinson
CHRW
$22.2B
| $2.78M | ﹤0.01% |
352
-173
| -33% | -$13.1K |
|
1249
PUT
Truist Financial
TFC
$63.3B
| $2.78M | ﹤0.01% |
741
+218
| +42% | +$7.85K |
|
|
NVTA
1250
PUT
DELISTED
Invitae Corporation
NVTA
| $2.78M | ﹤0.01% |
918
+393
| +75% | +$6.86K |
|
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.