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 | |
|---|---|---|---|---|---|---|
901
CALL
WEC Energy
WEC
$37.4B
| $4.59M | 0.01% |
524
+269
| +105% | +$24.3K |
|
902
CALL
Boston Properties
BXP
$10.8B
| $4.59M | 0.01% |
508
+365
| +255% | +$33.1K |
|
903
iShares US Aerospace & Defense ETF
ITA
$14.1B
| $4.58M | 0.01% |
55,564
+39,782
| +252% | +$3.14M |
|
|
CTXS
904
PUT
DELISTED
Citrix Systems Inc
CTXS
| $4.57M | 0.01% |
309
+197
| +176% | +$28.3K |
|
905
PUT
Camping World
CWH
$358M
| $4.57M | 0.01% |
1,682
+1,561
| +1,290% | +$25.2K |
|
|
CYBR
906
PUT
DELISTED
CyberArk
CYBR
| $4.57M | 0.01% |
460
+170
| +59% | +$16.5K |
|
907
PUT
APA Corp
APA
$12.9B
| $4.57M | 0.01% |
3,382
+1,193
| +54% | +$13.6K |
|
908
PUT
KKR & Co
KKR
$86.2B
| $4.55M | 0.01% |
1,474
-10
| -0.7% | -$269 |
|
909
PUT
Invesco CurrencyShares Australian Dollar Trust
FXA
$96.6M
| $4.55M | 0.01% |
660
+537
| +437% | +$35.3K |
|
910
CALL
Kimberly-Clark
KMB
$35.6B
| $4.54M | 0.01% |
321
-95
| -23% | -$13.1K |
|
911
CALL
Cencora
COR
$59.4B
| $4.52M | 0.01% |
449
-99
| -18% | -$9.12K |
|
912
CALL
Fidelity National Information Services
FIS
$20.7B
| $4.52M | 0.01% |
337
+84
| +33% | +$11K |
|
913
PUT
Annaly Capital Management
NLY
$16.7B
| $4.52M | 0.01% |
1,722
+1,134
| +193% | +$28K |
|
914
PUT
Sysco
SYY
$39.1B
| $4.51M | 0.01% |
826
+123
| +17% | +$6.47K |
|
915
CALL
Bunge Global
BG
$23.7B
| $4.51M | 0.01% |
1,096
+240
| +28% | +$9.31K |
|
916
CALL
Kinder Morgan
KMI
$72.9B
| $4.5M | 0.01% |
2,967
-1,939
| -40% | -$29.5K |
|
917
CALL
QuidelOrtho
QDEL
$1.13B
| $4.5M | 0.01% |
201
+170
| +548% | +$26.6K |
|
|
MXIM
918
CALL
DELISTED
Maxim Integrated Products
MXIM
| $4.48M | 0.01% |
739
+13
| +2% | +$724 |
|
919
Capital One
COF
$123B
| $4.47M | 0.01% |
71,396
+54,399
| +320% | +$3.39M |
|
|
CS
920
CALL
DELISTED
Credit Suisse Group
CS
| $4.46M | 0.01% |
4,326
-927
| -18% | -$8.32K |
|
921
Ford
F
$56.4B
| $4.46M | 0.01% |
733,286
+214,560
| +41% | +$1.19M |
|
922
PUT
Danaher
DHR
$135B
| $4.46M | 0.01% |
284
-58
| -17% | -$8.32K |
|
923
PUT
Omega Healthcare
OHI
$15.2B
| $4.43M | 0.01% |
1,492
+543
| +57% | +$16.1K |
|
924
PUT
Brookfield
BN
$101B
| $4.43M | 0.01% |
2,412
+1,950
| +422% | +$34.3K |
|
|
CHL
925
PUT
DELISTED
China Mobile Limited
CHL
| $4.42M | 0.01% |
1,315
+479
| +57% | +$17.7K |
|
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.