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 | |
|---|---|---|---|---|---|---|
3351
PUT
Range Resources
RRC
$9.09B
| $345K | ﹤0.01% |
613
+331
| +117% | +$1.84K |
|
3352
PUT
Voya Financial
VOYA
$8.94B
| $345K | ﹤0.01% |
74
-167
| -69% | -$7.42K |
|
3353
Essent Group
ESNT
$6.13B
| $344K | ﹤0.01% |
9,488
-3,144
| -25% | -$96.5K |
|
3354
CALL
FuelCell Energy
FCEL
$1.68B
| $344K | ﹤0.01% |
51
+15
| +42% | +$925 |
|
|
GDEN
3355
PUT
DELISTED
Golden Entertainment
GDEN
| $344K | ﹤0.01% |
386
+333
| +628% | +$3.1K |
|
3356
CALL
Grand Canyon Education
LOPE
$3.83B
| $344K | ﹤0.01% |
38
+7
| +23% | +$623 |
|
3357
LivePerson
LPSN
$20.1M
| $344K | ﹤0.01% |
554
-2,148
| -79% | -$1M |
|
3358
CALL
Nu Skin
NUS
$250M
| $344K | ﹤0.01% |
90
+26
| +41% | +$835 |
|
3359
CALL
Perdoceo Education
PRDO
$1.99B
| $344K | ﹤0.01% |
216
+80
| +59% | +$1.14K |
|
3360
CALL
TTEC Holdings
TTEC
$107M
| $344K | ﹤0.01% |
74
-10
| -12% | -$399 |
|
3361
Xcel Energy
XEL
$50.5B
| $344K | ﹤0.01% |
5,508
-83
| -1% | -$5.23K |
|
|
NEWR
3362
PUT
DELISTED
New Relic, Inc.
NEWR
| $344K | ﹤0.01% |
50
-88
| -64% | -$5.25K |
|
3363
Cars.com
CARS
$666M
| $343K | ﹤0.01% |
+59,621
| New | +$329K |
|
3364
PUT
Essex Property Trust
ESS
$18.9B
| $343K | ﹤0.01% |
15
-98
| -87% | -$23.5K |
|
3365
CALL
SouthState Bank Corp
SSB
$10.2B
| $343K | ﹤0.01% |
72
-198
| -73% | -$10.3K |
|
|
ROCC
3366
CALL
DELISTED
Ranger Oil Corporation Class A Common Stock
ROCC
| $343K | ﹤0.01% |
360
-139
| -28% | -$1.07K |
|
3367
CALL
Noodles & Co
NDLS
$89.3M
| $342K | ﹤0.01% |
71
+53
| +294% | +$2.25K |
|
3368
abrdn Physical Gold Shares ETF
SGOL
$6.97B
| $342K | ﹤0.01% |
19,997
+19,822
| +11,327% | +$327K |
|
3369
Amplify Junior Silver Miners ETF
SILJ
$3.28B
| $342K | ﹤0.01% |
28,475
+8,538
| +43% | +$85.8K |
|
3370
Interactive Brokers
IBKR
$40.6B
| $341K | ﹤0.01% |
32,728
+3,688
| +13% | +$38.5K |
|
3371
PUT
Northern Trust
NTRS
$22.2B
| $341K | ﹤0.01% |
43
-497
| -92% | -$39.4K |
|
3372
Palomar
PLMR
$3.67B
| $341K | ﹤0.01% |
+3,978
| New | +$264K |
|
|
TGI
3373
CALL
DELISTED
Triumph Group
TGI
| $341K | ﹤0.01% |
379
+170
| +81% | +$1.26K |
|
3374
PUT
Arch Capital
ACGL
$36.4B
| $340K | ﹤0.01% |
119
+115
| +2,875% | +$3.18K |
|
3375
CALL
Advanced Drainage Systems
WMS
$10.8B
| $340K | ﹤0.01% |
69
+50
| +263% | +$2.05K |
|
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.