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 | |
|---|---|---|---|---|---|---|
476
PUT
Trip.com Group
TCOM
$26.8B
| $11.4M | 0.02% |
4,382
+1,596
| +57% | +$40.2K |
|
|
SCHW
477
CALL
Charles Schwab
SCHW
$175B
| $11.3M | 0.02% |
3,350
+322
| +11% | +$11.5K |
|
478
PUT
HSBC
HSBC
$354B
| $11.3M | 0.02% |
4,840
-581
| -11% | -$14.4K |
|
479
CALL
DuPont de Nemours
DD
$18.9B
| $11.3M | 0.02% |
1,779
+288
| +19% | +$16.8K |
|
|
TWTR
480
DELISTED
Twitter, Inc.
TWTR
| $11.3M | 0.02% |
378,094
-280,136
| -43% | -$8.45M |
|
481
CALL
DexCom
DXCM
$27.6B
| $11.2M | 0.02% |
1,108
+740
| +201% | +$66.2K |
|
482
CALL
ConocoPhillips
COP
$145B
| $11.2M | 0.02% |
2,667
-901
| -25% | -$36.4K |
|
483
PUT
Linde
LIN
$235B
| $11.2M | 0.02% |
526
+149
| +40% | +$28.8K |
|
484
CALL
Invesco CurrencyShares Euro Currency Trust
FXE
$332M
| $11.2M | 0.02% |
1,052
+862
| +454% | +$89.7K |
|
485
Bristol-Myers Squibb
BMY
$124B
| $11.1M | 0.02% |
189,269
-166,733
| -47% | -$9.97M |
|
486
PUT
TJX Companies
TJX
$172B
| $11.1M | 0.02% |
2,191
+750
| +52% | +$37.7K |
|
487
PUT
Pinterest
PINS
$12.6B
| $11M | 0.02% |
4,977
-429
| -8% | -$8.37K |
|
488
PUT
GE Aerospace
GE
$354B
| $11M | 0.02% |
3,237
-513
| -14% | -$17.3K |
|
|
TIF
489
DELISTED
Tiffany & Co.
TIF
| $11M | 0.02% |
90,250
+14,598
| +19% | +$1.83M |
|
490
CALL
Hilton Worldwide
HLT
$73.8B
| $11M | 0.02% |
1,497
+531
| +55% | +$39.4K |
|
491
CALL
Sony
SONY
$123B
| $11M | 0.02% |
7,950
+3,690
| +87% | +$48K |
|
492
PUT
American Tower
AMT
$77.4B
| $11M | 0.02% |
425
+50
| +13% | +$12.4K |
|
493
CALL
Kroger
KR
$35.3B
| $10.9M | 0.02% |
3,234
-2,109
| -39% | -$68.4K |
|
494
CALL
Duke Energy
DUK
$99.7B
| $10.8M | 0.02% |
1,357
-501
| -27% | -$42.3K |
|
495
PUT
Elastic
ESTC
$6.1B
| $10.8M | 0.02% |
1,174
+142
| +14% | +$10.4K |
|
|
PARA
496
PUT
DELISTED
Paramount Global Class B
PARA
| $10.8M | 0.02% |
4,642
+1,204
| +35% | +$23.2K |
|
497
CALL
Blackstone
BX
$150B
| $10.7M | 0.02% |
1,896
-732
| -28% | -$38.5K |
|
498
PUT
L3Harris
LHX
$53.1B
| $10.7M | 0.02% |
632
+109
| +21% | +$20.5K |
|
499
Spotify
SPOT
$97.5B
| $10.7M | 0.02% |
41,530
+5,204
| +14% | +$892K |
|
|
TYNS
500
PUT
DELISTED
Direxion Daily 7-10 Year Treasury Bear 1X Shares
TYNS
| $10.7M | 0.02% |
3,406
-358
| -10% | -$1.13M |
|
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.