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 | |
|---|---|---|---|---|---|---|
1526
PUT
Cincinnati Financial
CINF
$28.3B
| $1.94M | ﹤0.01% |
303
+289
| +2,064% | +$19.1K |
|
1527
Electronic Arts
EA
$52.4B
| $1.94M | ﹤0.01% |
14,689
-17,522
| -54% | -$2.07M |
|
1528
PUT
B&G Foods
BGS
$285M
| $1.94M | ﹤0.01% |
795
-11
| -1% | -$238 |
|
1529
CALL
Corpay
CPAY
$24.2B
| $1.94M | ﹤0.01% |
77
-17
| -18% | -$4.03K |
|
1530
CALL
D.R. Horton
DHI
$41.2B
| $1.94M | ﹤0.01% |
349
-34
| -9% | -$1.65K |
|
|
CGC
1531
PUT
Canopy Growth
CGC
$375M
| $1.93M | ﹤0.01% |
120
-310
| -72% | -$50.2K |
|
|
AMRN
1532
PUT
Amarin Corp
AMRN
$284M
| $1.93M | ﹤0.01% |
140
-568
| -80% | -$78.1K |
|
1533
CALL
Campbell Soup
CPB
$6.51B
| $1.93M | ﹤0.01% |
389
+47
| +14% | +$2.33K |
|
1534
CALL
Cracker Barrel
CBRL
$1.2B
| $1.93M | ﹤0.01% |
174
-338
| -66% | -$33.5K |
|
1535
CALL
Gaming and Leisure Properties
GLPI
$12.8B
| $1.93M | ﹤0.01% |
557
+16
| +3% | +$498 |
|
1536
PUT
Williams-Sonoma
WSM
$26.7B
| $1.93M | ﹤0.01% |
470
+300
| +176% | +$10.2K |
|
1537
CALL
TransUnion
TRU
$14.8B
| $1.92M | ﹤0.01% |
221
+197
| +821% | +$15.7K |
|
|
BERY
1538
CALL
DELISTED
Berry Global Group, Inc.
BERY
| $1.92M | ﹤0.01% |
473
+29
| +7% | +$1.09K |
|
1539
CALL
FMC
FMC
$1.42B
| $1.92M | ﹤0.01% |
193
+72
| +60% | +$6.64K |
|
1540
CALL
STAAR Surgical
STAA
$1.16B
| $1.92M | ﹤0.01% |
312
+110
| +54% | +$4.49K |
|
|
SDC
1541
CALL
DELISTED
SmileDirectClub, Inc. Class A Common Stock
SDC
| $1.92M | ﹤0.01% |
2,431
+556
| +30% | +$3.77K |
|
1542
PUT
BJs Wholesale Club
BJ
$11.9B
| $1.92M | ﹤0.01% |
514
+351
| +215% | +$10.8K |
|
1543
PUT
Consolidated Edison
ED
$41.6B
| $1.91M | ﹤0.01% |
266
-48
| -15% | -$3.69K |
|
1544
PUT
ScottsMiracle-Gro
SMG
$4.03B
| $1.91M | ﹤0.01% |
142
+94
| +196% | +$12.1K |
|
|
MIC
1545
PUT
DELISTED
Macquarie Infrastructure Holdings, LLC
MIC
| $1.91M | ﹤0.01% |
622
-23
| -4% | -$637 |
|
|
BITA
1546
CALL
DELISTED
Bitauto Holdings Limited
BITA
| $1.91M | ﹤0.01% |
1,204
+137
| +13% | +$1.73K |
|
1547
PUT
Baker Hughes
BKR
$56.8B
| $1.91M | ﹤0.01% |
1,239
-82
| -6% | -$1.2K |
|
1548
PUT
Icon
ICLR
$12.8B
| $1.9M | ﹤0.01% |
+113
| New | +$17.8K |
|
1549
PUT
Tanger
SKT
$4.82B
| $1.9M | ﹤0.01% |
2,667
+1,635
| +158% | +$10.8K |
|
1550
CALL
Jabil
JBL
$32.8B
| $1.9M | ﹤0.01% |
591
-118
| -17% | -$3.4K |
|
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.