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 | Miscellaneous | 97.74% |
| 2 | Technology | 0.49% |
| 3 | Consumer Discretionary | 0.48% |
| 4 | Communication Services | 0.35% |
| 5 | Healthcare | 0.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1201
PUT
AngloGold Ashanti
AU
$55.2B
| $2.92M | ﹤0.01% |
991
+696
| +236% | +$17.2K |
|
1202
PUT
Franco-Nevada
FNV
$51.3B
| $2.92M | ﹤0.01% |
209
-74
| -26% | -$9.83K |
|
1203
PUT
ALPS REIT Dividend Dogs ETF
RDOG
$11.2M
| $2.92M | ﹤0.01% |
1,181
-865
| -42% | -$29.9K |
|
1204
CALL
Sonos
SONO
$1.82B
| $2.92M | ﹤0.01% |
1,993
+1,115
| +127% | +$11.8K |
|
|
FTCH
1205
PUT
DELISTED
Farfetch Limited Class A Ordinary Shares
FTCH
| $2.92M | ﹤0.01% |
1,688
-706
| -29% | -$9.58K |
|
1206
CALL
Chemours
CC
$2.3B
| $2.91M | ﹤0.01% |
1,898
+1,244
| +190% | +$15.7K |
|
|
CERN
1207
CALL
DELISTED
Cerner Corp
CERN
| $2.91M | ﹤0.01% |
425
-821
| -66% | -$56.4K |
|
1208
PUT
Dave & Buster's
PLAY
$303M
| $2.91M | ﹤0.01% |
2,185
+1,189
| +119% | +$15.8K |
|
|
MNDT
1209
PUT
DELISTED
Mandiant, Inc. Common Stock
MNDT
| $2.91M | ﹤0.01% |
2,391
+1,261
| +112% | +$14.6K |
|
1210
CALL
Darling Ingredients
DAR
$10.3B
| $2.9M | ﹤0.01% |
1,180
+876
| +288% | +$19.1K |
|
1211
Salesforce
CRM
$213B
| $2.9M | ﹤0.01% |
+15,505
| New | +$2.61M |
|
1212
PUT
Leidos
LDOS
$16.7B
| $2.9M | ﹤0.01% |
310
+107
| +53% | +$10.5K |
|
1213
CALL
Invesco Equal Weight 0-30 Year Treasury ETF
GOVI
$1.22B
| $2.9M | ﹤0.01% |
631
+87
| +16% | +$3.43K |
|
1214
PUT
Insulet
PODD
$10.2B
| $2.89M | ﹤0.01% |
149
+112
| +303% | +$21.4K |
|
1215
CALL
Weyerhaeuser
WY
$16.6B
| $2.89M | ﹤0.01% |
1,288
+610
| +90% | +$12.3K |
|
1216
TripAdvisor
TRIP
$1.09B
| $2.89M | ﹤0.01% |
152,049
+79,960
| +111% | +$1.53M |
|
1217
PUT
Waters Corp
WAT
$40.2B
| $2.89M | ﹤0.01% |
160
+55
| +52% | +$10.4K |
|
1218
ZTO Express
ZTO
$15.9B
| $2.88M | ﹤0.01% |
78,574
+726
| +0.9% | +$23.1K |
|
1219
CALL
Pool Corp
POOL
$6.73B
| $2.88M | ﹤0.01% |
106
+71
| +203% | +$16.4K |
|
|
NBIS
1220
CALL
Nebius Group N.V.
NBIS
$61.5B
| $2.88M | ﹤0.01% |
575
-207
| -26% | -$8.29K |
|
1221
PUT
Carlisle Companies
CSL
$14B
| $2.87M | ﹤0.01% |
+240
| New | +$28.9K |
|
1222
PUT
Seagate
STX
$192B
| $2.87M | ﹤0.01% |
592
-259
| -30% | -$13K |
|
1223
CALL
Kohl's
KSS
$2.2B
| $2.86M | ﹤0.01% |
1,379
+274
| +25% | +$5.28K |
|
1224
PUT
Universal Health Services
UHS
$10B
| $2.86M | ﹤0.01% |
308
+16
| +5% | +$1.6K |
|
1225
CALL
Capri Holdings
CPRI
$1.54B
| $2.86M | ﹤0.01% |
1,829
+668
| +58% | +$9.89K |
|
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 1,291 new, 3,426 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 Miscellaneous at 98% of assets, down from 98% a quarter earlier, followed by Technology and Consumer Discretionary.
- 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 1,291 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.