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 | |
|---|---|---|---|---|---|---|
|
CRON
1401
CALL
Cronos Group
CRON
$1.05B
| $2.29M | ﹤0.01% |
3,815
+754
| +25% | +$4.61K |
|
1402
CALL
Sunrun
RUN
$2.37B
| $2.29M | ﹤0.01% |
1,162
-510
| -31% | -$7.81K |
|
1403
Invesco CurrencyShares Australian Dollar Trust
FXA
$96.8M
| $2.29M | ﹤0.01% |
33,197
+33,097
| +33,097% | +$2.18M |
|
1404
PUT
Entegris
ENTG
$19.7B
| $2.29M | ﹤0.01% |
387
-389
| -50% | -$21.6K |
|
1405
CALL
Huntington Ingalls Industries
HII
$11.3B
| $2.29M | ﹤0.01% |
131
+92
| +236% | +$17.1K |
|
1406
CALL
Travelers Companies
TRV
$80.8B
| $2.28M | ﹤0.01% |
200
+96
| +92% | +$10.1K |
|
1407
CALL
Ventas
VTR
$48.9B
| $2.28M | ﹤0.01% |
623
-796
| -56% | -$26.3K |
|
1408
PUT
Cognizant
CTSH
$21.5B
| $2.28M | ﹤0.01% |
401
-310
| -44% | -$16.7K |
|
1409
PUT
AerCap
AER
$23.9B
| $2.28M | ﹤0.01% |
739
-92
| -11% | -$2.63K |
|
1410
CALL
Itaú Unibanco
ITUB
$91.3B
| $2.27M | ﹤0.01% |
6,659
-698
| -9% | -$2.26K |
|
|
FITB
1411
PUT
Fifth Third Bancorp
FITB
$52B
| $2.26M | ﹤0.01% |
1,172
-649
| -36% | -$12K |
|
1412
Regency Centers
REG
$15B
| $2.25M | ﹤0.01% |
49,157
+6,714
| +16% | +$284K |
|
1413
CALL
Cardinal Health
CAH
$53.4B
| $2.25M | ﹤0.01% |
432
-673
| -61% | -$34.7K |
|
|
EFC
1414
CALL
Ellington Financial
EFC
$1.68B
| $2.25M | ﹤0.01% |
1,912
+1,881
| +6,068% | +$19.1K |
|
|
1415
CALL
AerCap
AER
$23.9B
| $2.25M | ﹤0.01% |
729
+633
| +659% | +$18.1K |
|
1416
CALL
Ball Corp
BALL
$17B
| $2.24M | ﹤0.01% |
323
-18
| -5% | -$1.22K |
|
1417
CALL
J.M. Smucker
SJM
$12.6B
| $2.24M | ﹤0.01% |
212
-22
| -9% | -$2.47K |
|
1418
PUT
BorgWarner
BWA
$13.2B
| $2.24M | ﹤0.01% |
721
+448
| +164% | +$11.8K |
|
1419
Tyson Foods
TSN
$20.2B
| $2.24M | ﹤0.01% |
37,540
-14,040
| -27% | -$851K |
|
|
AXON
1420
PUT
Axon Enterprise
AXON
$40.5B
| $2.24M | ﹤0.01% |
228
+82
| +56% | +$6.63K |
|
1421
CALL
BlackBerry
BB
$5.01B
| $2.24M | ﹤0.01% |
4,574
+526
| +13% | +$2.38K |
|
1422
PUT
NRG Energy
NRG
$29.8B
| $2.23M | ﹤0.01% |
685
+287
| +72% | +$9.45K |
|
1423
PUT
Quaker Houghton
KWR
$2.63B
| $2.23M | ﹤0.01% |
120
-26
| -18% | -$4.08K |
|
1424
PUT
Lamar Advertising Co
LAMR
$16.2B
| $2.22M | ﹤0.01% |
333
-507
| -60% | -$31K |
|
1425
CALL
PennyMac Financial
PFSI
$4.38B
| $2.22M | ﹤0.01% |
532
+18
| +4% | +$570 |
|
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.