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 | |
|---|---|---|---|---|---|---|
1726
PUT
Toronto Dominion Bank
TD
$198B
| $1.57M | ﹤0.01% |
352
+198
| +129% | +$8.43K |
|
1727
Alkermes
ALKS
$8.82B
| $1.57M | ﹤0.01% |
80,741
+59,130
| +274% | +$960K |
|
1728
CALL
BridgeBio Pharma
BBIO
$16.5B
| $1.56M | ﹤0.01% |
480
+442
| +1,163% | +$13.5K |
|
1729
CALL
Fidelity National Financial
FNF
$13.9B
| $1.56M | ﹤0.01% |
530
+206
| +64% | +$5.67K |
|
1730
PUT
Invesco CurrencyShares Japanese Yen Trust
FXY
$423M
| $1.56M | ﹤0.01% |
178
-2,287
| -93% | -$202K |
|
1731
Freeport-McMoran
FCX
$90B
| $1.56M | ﹤0.01% |
134,867
-131,200
| -49% | -$1.2M |
|
1732
PUT
Flex
FLEX
$43.4B
| $1.56M | ﹤0.01% |
2,020
-854
| -30% | -$6.15K |
|
1733
PUT
Illinois Tool Works
ITW
$81.4B
| $1.56M | ﹤0.01% |
89
-468
| -84% | -$76.4K |
|
1734
CALL
Kulicke & Soffa
KLIC
$5.3B
| $1.56M | ﹤0.01% |
747
+492
| +193% | +$11.1K |
|
1735
PUT
Amplify Junior Silver Miners ETF
SILJ
$3.27B
| $1.56M | ﹤0.01% |
584
-42
| -7% | -$422 |
|
1736
PUT
Ericsson
ERIC
$30.7B
| $1.55M | ﹤0.01% |
1,672
+1,191
| +248% | +$10.3K |
|
|
GBT
1737
CALL
DELISTED
Global Blood Therapeutics, Inc.
GBT
| $1.55M | ﹤0.01% |
246
+132
| +116% | +$9.05K |
|
|
SNP
1738
DELISTED
CHINA PETROLEUM & CHEMICAL CORPORATION ADS (REP 100 ORDINARY H SHARES)
SNP
| $1.55M | ﹤0.01% |
36,882
+7,267
| +25% | +$343K |
|
1739
Bausch Health
BHC
$1.65B
| $1.54M | ﹤0.01% |
+84,227
| New | +$1.48M |
|
1740
CALL
Voya Financial
VOYA
$8.94B
| $1.54M | ﹤0.01% |
330
-163
| -33% | -$7.24K |
|
1741
Linde
LIN
$237B
| $1.54M | ﹤0.01% |
+7,254
| New | +$1.4M |
|
1742
Direxion Daily Energy Bull 2X ETF
ERX
$249M
| $1.53M | ﹤0.01% |
101,570
+87,005
| +597% | +$1.31M |
|
1743
CALL
Ionis Pharmaceuticals
IONS
$9.35B
| $1.53M | ﹤0.01% |
260
-1
| -0.4% | -$56 |
|
|
SGMO
1744
CALL
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
| $1.53M | ﹤0.01% |
1,706
+854
| +100% | +$7.92K |
|
1745
CALL
Vodafone
VOD
$34.9B
| $1.52M | ﹤0.01% |
956
-786
| -45% | -$11.9K |
|
1746
CALL
Hain Celestial
HAIN
$47.8M
| $1.52M | ﹤0.01% |
483
+8
| +2% | +$231 |
|
1747
CALL
State Street
STT
$50.9B
| $1.52M | ﹤0.01% |
239
-23
| -9% | -$1.39K |
|
|
ABB
1748
CALL
DELISTED
ABB Ltd
ABB
| $1.52M | ﹤0.01% |
673
+54
| +9% | +$1.04K |
|
1749
PUT
Post Holdings
POST
$4.12B
| $1.51M | ﹤0.01% |
264
-45
| -15% | -$2.62K |
|
1750
CALL
Ecolab
ECL
$75.6B
| $1.51M | ﹤0.01% |
76
-79
| -51% | -$15.3K |
|
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.