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 | |
|---|---|---|---|---|---|---|
276
CALL
Southwest Airlines
LUV
$23.3B
| $23.2M | 0.04% |
6,777
+4,904
| +262% | +$156K |
|
277
Alibaba
BABA
$279B
| $23.1M | 0.04% |
+107,275
| New | +$22.3M |
|
278
CALL
Domino's
DPZ
$10.6B
| $23.1M | 0.04% |
626
+358
| +134% | +$132K |
|
279
CALL
Teladoc Health
TDOC
$1.61B
| $23M | 0.04% |
1,206
+131
| +12% | +$23K |
|
280
PUT
Carnival Corporation Ltd
CCL
$35.7B
| $22.9M | 0.04% |
13,954
-1,941
| -12% | -$29.1K |
|
281
PUT
Deere & Co
DE
$164B
| $22.9M | 0.04% |
1,456
+745
| +105% | +$108K |
|
282
CALL
American Tower
AMT
$77.4B
| $22.8M | 0.04% |
882
+42
| +5% | +$10.4K |
|
283
CALL
AstraZeneca
AZN
$263B
| $22.7M | 0.04% |
2,142
+1,909
| +819% | +$197K |
|
284
Advanced Micro Devices
AMD
$901B
| $22.4M | 0.04% |
+425,145
| New | +$22.5M |
|
|
STZ.B
285
PUT
DELISTED
CONSTELLATION BRANDS, INC. CLASS B
STZ.B
| $22.3M | 0.04% |
1,277
+181
| +17% | +$30K |
|
286
PUT
Ferrari
RACE
$65.4B
| $22.1M | 0.04% |
1,291
+184
| +17% | +$29.7K |
|
287
CALL
Altria Group
MO
$121B
| $22.1M | 0.04% |
5,619
+2,536
| +82% | +$98.9K |
|
288
CALL
iShares Core MSCI Emerging Markets ETF
IEMG
$153B
| $22M | 0.04% |
4,490
-2,838
| -39% | -$127K |
|
289
PUT
Veeva Systems
VEEV
$30B
| $22M | 0.04% |
938
+37
| +4% | +$7.34K |
|
290
CALL
Workday
WDAY
$32.7B
| $21.9M | 0.03% |
1,168
+515
| +79% | +$83.3K |
|
291
PUT
Carvana
CVNA
$44.9B
| $21.7M | 0.03% |
9,015
+5,775
| +178% | +$108K |
|
292
PUT
WIX.com
WIX
$2.04B
| $21.6M | 0.03% |
843
+375
| +80% | +$66.5K |
|
293
PUT
Norwegian Cruise Line
NCLH
$8.87B
| $21.6M | 0.03% |
13,117
+8,620
| +192% | +$126K |
|
294
Meta Platforms (Facebook)
META
$1.59T
| $21.5M | 0.03% |
+94,874
| New | +$19.8M |
|
|
ATVI
295
PUT
DELISTED
Activision Blizzard
ATVI
| $21.5M | 0.03% |
2,836
-945
| -25% | -$65.9K |
|
296
CALL
Valero Energy
VLO
$92.3B
| $21.1M | 0.03% |
3,586
+3,002
| +514% | +$179K |
|
|
SHNY
297
PUT
DELISTED
Direxion Daily Silver Miners Index Bull 2X Shares
SHNY
| $21M | 0.03% |
18,824
+2,226
| +13% | +$2.49M |
|
298
PUT
Ulta Beauty
ULTA
$20.8B
| $21M | 0.03% |
1,031
+199
| +24% | +$42.8K |
|
|
RAD
299
CALL
DELISTED
Rite Aid Corporation
RAD
| $20.7M | 0.03% |
12,126
-997
| -8% | -$13.4K |
|
300
CALL
Morgan Stanley
MS
$343B
| $20.4M | 0.03% |
4,216
+218
| +5% | +$9.16K |
|
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.