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 | |
|---|---|---|---|---|---|---|
1451
PUT
Invesco Equal Weight 0-30 Year Treasury ETF
GOVI
$1.22B
| $2.14M | ﹤0.01% |
449
-32
| -7% | -$1.26K |
|
|
RAD
1452
PUT
DELISTED
Rite Aid Corporation
RAD
| $2.14M | ﹤0.01% |
1,253
+639
| +104% | +$8.61K |
|
|
ICPT
1453
PUT
DELISTED
Intercept Pharmaceuticals, Inc.
ICPT
| $2.14M | ﹤0.01% |
446
-159
| -26% | -$12.3K |
|
1454
PUT
Unilever
UL
$131B
| $2.13M | ﹤0.01% |
345
+6
| +2% | +$359 |
|
|
AVLR
1455
PUT
DELISTED
Avalara, Inc.
AVLR
| $2.13M | ﹤0.01% |
160
+114
| +248% | +$11.2K |
|
|
PLAN
1456
PUT
DELISTED
Anaplan, Inc.
PLAN
| $2.13M | ﹤0.01% |
470
-34
| -7% | -$1.42K |
|
|
CMBT
1457
PUT
CMB.TECH NV
CMBT
$4.57B
| $2.12M | ﹤0.01% |
2,603
+2,586
| +15,212% | +$25.7K |
|
|
SRCL
1458
CALL
DELISTED
Stericycle Inc
SRCL
| $2.12M | ﹤0.01% |
+378
| New | +$19.7K |
|
1459
CALL
Proshares UltraShort Technology
REW
$3.48M
| $2.12M | ﹤0.01% |
171
+47
| +38% | +$25.3K |
|
1460
iShares Gold Trust
IAU
$63B
| $2.11M | ﹤0.01% |
62,164
+24,751
| +66% | +$811K |
|
1461
CALL
Eldorado Gold
EGO
$8.31B
| $2.11M | ﹤0.01% |
2,175
+2,000
| +1,143% | +$17.4K |
|
1462
CALL
Ryanair
RYAAY
$29.5B
| $2.11M | ﹤0.01% |
795
+722
| +989% | +$18.3K |
|
1463
CALL
Parker-Hannifin
PH
$125B
| $2.11M | ﹤0.01% |
115
-330
| -74% | -$53.2K |
|
|
MRSH
1464
PUT
Marsh
MRSH
$86.3B
| $2.1M | ﹤0.01% |
196
-209
| -52% | -$21.2K |
|
|
INOV
1465
DELISTED
Inovalon Holdings, Inc. Class A Common Stock
INOV
| $2.1M | ﹤0.01% |
109,254
+105,576
| +2,870% | +$1.87M |
|
1466
PUT
Expeditors International
EXPD
$22.9B
| $2.1M | ﹤0.01% |
276
+95
| +52% | +$6.94K |
|
|
BIG
1467
CALL
DELISTED
Big Lots, Inc.
BIG
| $2.1M | ﹤0.01% |
499
-1,154
| -70% | -$32.8K |
|
1468
BILL Holdings
BILL
$4.33B
| $2.09M | ﹤0.01% |
23,221
+22,943
| +8,253% | +$1.48M |
|
1469
DexCom
DXCM
$27.6B
| $2.08M | ﹤0.01% |
20,576
-18,336
| -47% | -$1.64M |
|
1470
CALL
American Water Works
AWK
$26.3B
| $2.08M | ﹤0.01% |
162
+28
| +21% | +$3.49K |
|
1471
CALL
Service Corp International
SCI
$11.4B
| $2.08M | ﹤0.01% |
536
+295
| +122% | +$11.3K |
|
1472
PUT
Dropbox
DBX
$6.81B
| $2.08M | ﹤0.01% |
957
-2,808
| -75% | -$59.3K |
|
1473
ON Semiconductor
ON
$33.8B
| $2.08M | ﹤0.01% |
+104,884
| New | +$1.71M |
|
|
BLUE
1474
PUT
DELISTED
bluebird bio
BLUE
| $2.08M | ﹤0.01% |
26
+1
| +4% | +$754 |
|
1475
PUT
Copa Holdings
CPA
$5.56B
| $2.07M | ﹤0.01% |
410
+171
| +72% | +$7.89K |
|
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 1,290 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.