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 | |
|---|---|---|---|---|---|---|
2176
CALL
O-I Glass
OI
$1.39B
| $974K | ﹤0.01% |
1,085
+606
| +127% | +$4.69K |
|
2177
PUT
Schwab US Broad Market ETF
SCHB
$42.8B
| $974K | ﹤0.01% |
1,068
+732
| +218% | +$8.44K |
|
2178
PUT
8x8 Inc
EGHT
$247M
| $972K | ﹤0.01% |
608
+547
| +897% | +$8.69K |
|
|
COOP
2179
PUT
DELISTED
Mr. Cooper
COOP
| $969K | ﹤0.01% |
779
+317
| +69% | +$3.18K |
|
2180
PUT
Equinox Gold
EQX
$7.32B
| $969K | ﹤0.01% |
+864
| New | +$7.73K |
|
2181
PUT
Fox Class B
FOX
$20.7B
| $967K | ﹤0.01% |
361
+1
| +0.3% | +$27 |
|
|
EMBJ
2182
CALL
Embraer S.A. ADS
EMBJ
$11.6B
| $963K | ﹤0.01% |
1,612
+783
| +94% | +$4.83K |
|
|
TCF
2183
CALL
DELISTED
TCF Financial Corporation Common Stock
TCF
| $962K | ﹤0.01% |
327
+193
| +144% | +$5.33K |
|
|
APRN
2184
CALL
DELISTED
Blue Apron Holdings, Inc. Class A Common Stock
APRN
| $957K | ﹤0.01% |
72
-189
| -72% | -$22.8K |
|
2185
PUT
Edgewell Personal Care
EPC
$1.27B
| $956K | ﹤0.01% |
307
+30
| +11% | +$840 |
|
2186
CALL
Kura Oncology
KURA
$922M
| $955K | ﹤0.01% |
586
+550
| +1,528% | +$7.93K |
|
|
APHA
2187
DELISTED
Aphria Inc. Common Shares
APHA
| $955K | ﹤0.01% |
222,693
+203,402
| +1,054% | +$780K |
|
2188
PUT
Freshpet
FRPT
$2.83B
| $953K | ﹤0.01% |
114
+90
| +375% | +$6.77K |
|
2189
CALL
Nordic American Tanker
NAT
$1.37B
| $953K | ﹤0.01% |
2,349
+371
| +19% | +$1.76K |
|
2190
CALL
Teekay Tankers
TNK
$2.63B
| $952K | ﹤0.01% |
743
-748
| -50% | -$13.2K |
|
2191
CALL
Radware
RDWR
$1.24B
| $950K | ﹤0.01% |
403
+355
| +740% | +$8.15K |
|
|
AL
2192
CALL
DELISTED
Air Lease Corp
AL
| $948K | ﹤0.01% |
324
-32
| -9% | -$854 |
|
2193
e.l.f. Beauty
ELF
$4.56B
| $947K | ﹤0.01% |
49,703
+43,429
| +692% | +$621K |
|
2194
Leidos
LDOS
$14.1B
| $947K | ﹤0.01% |
10,120
+8,058
| +391% | +$794K |
|
|
HA
2195
CALL
DELISTED
Hawaiian Holdings, Inc.
HA
| $946K | ﹤0.01% |
674
+78
| +13% | +$1.06K |
|
2196
PUT
TechnipFMC
FTI
$30.6B
| $945K | ﹤0.01% |
1,859
+856
| +85% | +$4.99K |
|
2197
PUT
Sunoco
SUN
$14.2B
| $945K | ﹤0.01% |
414
+247
| +148% | +$5.74K |
|
2198
PUT
ImmunityBio
IBRX
$7.44B
| $944K | ﹤0.01% |
769
+651
| +552% | +$3.68K |
|
2199
Gen Digital
GEN
$15.6B
| $943K | ﹤0.01% |
47,555
+40,290
| +555% | +$820K |
|
|
SPTN
2200
CALL
DELISTED
SpartanNash
SPTN
| $943K | ﹤0.01% |
444
+416
| +1,486% | +$7.46K |
|
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.