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 | |
|---|---|---|---|---|---|---|
576
PUT
Cintas
CTAS
$80.6B
| $8.6M | 0.01% |
1,292
-352
| -21% | -$20.4K |
|
|
DFS
577
PUT
DELISTED
Discover Financial Services
DFS
| $8.57M | 0.01% |
1,712
+1,210
| +241% | +$53.2K |
|
578
CALL
Edwards Lifesciences
EW
$48.6B
| $8.56M | 0.01% |
1,239
+684
| +123% | +$48.6K |
|
579
PUT
VF Corp
VFC
$6.74B
| $8.55M | 0.01% |
1,403
+1,116
| +389% | +$65K |
|
580
CALL
Elastic
ESTC
$6.1B
| $8.55M | 0.01% |
927
+358
| +63% | +$26.2K |
|
581
PUT
Kraft Heinz
KHC
$30.8B
| $8.53M | 0.01% |
2,676
-2,546
| -49% | -$76.4K |
|
582
CALL
Seagate
STX
$205B
| $8.52M | 0.01% |
1,759
+286
| +19% | +$14.4K |
|
583
Expedia Group
EXPE
$31.3B
| $8.51M | 0.01% |
103,495
-53,360
| -34% | -$3.88M |
|
584
CALL
Chegg
CHGG
$99.9M
| $8.5M | 0.01% |
1,264
+86
| +7% | +$4.59K |
|
585
PUT
Fortinet
FTNT
$114B
| $8.43M | 0.01% |
3,070
+1,050
| +52% | +$26.4K |
|
586
PUT
Prudential Financial
PRU
$41.3B
| $8.41M | 0.01% |
1,381
+415
| +43% | +$24.4K |
|
|
KFYP
587
CALL
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $8.41M | 0.01% |
1,369
-484
| -26% | -$12.2K |
|
|
KSU
588
PUT
DELISTED
Kansas City Southern
KSU
| $8.39M | 0.01% |
562
+172
| +44% | +$24.2K |
|
589
CALL
Enbridge
ENB
$123B
| $8.37M | 0.01% |
2,750
+1,588
| +137% | +$48.8K |
|
590
PUT
Zoetis
ZTS
$31.1B
| $8.35M | 0.01% |
609
-216
| -26% | -$28.2K |
|
591
CALL
L3Harris
LHX
$53.1B
| $8.31M | 0.01% |
490
+119
| +32% | +$22.4K |
|
592
Coca-Cola
KO
$354B
| $8.31M | 0.01% |
186,029
+185,729
| +61,910% | +$8.55M |
|
593
PepsiCo
PEP
$185B
| $8.31M | 0.01% |
+62,817
| New | +$8.28M |
|
|
GRUB
594
CALL
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
| $8.28M | 0.01% |
589
+112
| +23% | +$11.9K |
|
595
PUT
United States Natural Gas Fund
UNG
$472M
| $8.28M | 0.01% |
2,018
+402
| +25% | +$19.1K |
|
|
XLNX
596
CALL
DELISTED
Xilinx Inc
XLNX
| $8.24M | 0.01% |
838
-246
| -23% | -$21.8K |
|
|
RDS.A
597
PUT
DELISTED
Royal Dutch Shell PLC ADS Class A
RDS.A
| $8.22M | 0.01% |
2,631
-126
| -5% | -$4.32K |
|
598
CALL
CSX Corp
CSX
$92.8B
| $8.17M | 0.01% |
3,516
-2,754
| -44% | -$60.9K |
|
599
CALL
Virgin Galactic
SPCE
$343M
| $8.16M | 0.01% |
250
-39
| -13% | -$12.8K |
|
600
PUT
Ross Stores
ROST
$76.4B
| $8.11M | 0.01% |
952
+469
| +97% | +$42.5K |
|
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.