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 | |
|---|---|---|---|---|---|---|
1676
CALL
Nokia
NOK
$50.8B
| $1.64M | ﹤0.01% |
3,727
-3,111
| -45% | -$11.8K |
|
|
HTGCR
1677
PUT
DELISTED
HERCULES TECHNOLOGY GROWTH CAP INC TRANS RGTS TO PUR COM STK
HTGCR
| $1.64M | ﹤0.01% |
1,565
+1,012
| +183% | +$1.06M |
|
|
SIVB
1678
CALL
DELISTED
SVB Financial Group
SIVB
| $1.64M | ﹤0.01% |
76
-21
| -22% | -$4.04K |
|
1679
CALL
Westlake Corp
WLK
$9.46B
| $1.64M | ﹤0.01% |
305
-438
| -59% | -$20.2K |
|
|
SCIU
1680
PUT
DELISTED
Global X Scientific Beta US ETF
SCIU
| $1.64M | ﹤0.01% |
585
-696
| -54% | -$21.1K |
|
|
PARA
1681
DELISTED
Paramount Global Class B
PARA
| $1.63M | ﹤0.01% |
70,111
-245,491
| -78% | -$4.73M |
|
1682
CALL
Dolby
DLB
$4.72B
| $1.63M | ﹤0.01% |
248
+128
| +107% | +$7.66K |
|
1683
CALL
PTC Therapeutics
PTCT
$6.37B
| $1.63M | ﹤0.01% |
322
-35
| -10% | -$1.72K |
|
1684
CALL
FirstEnergy
FE
$28.9B
| $1.63M | ﹤0.01% |
421
-153
| -27% | -$6.32K |
|
1685
CALL
M&T Bank
MTB
$36.2B
| $1.63M | ﹤0.01% |
157
+61
| +64% | +$6.44K |
|
1686
PUT
Public Storage
PSA
$60.2B
| $1.63M | ﹤0.01% |
85
-140
| -62% | -$27K |
|
1687
CALL
Tencent Music
TME
$14.5B
| $1.63M | ﹤0.01% |
1,211
-170
| -12% | -$2.01K |
|
1688
CALL
Texas Roadhouse
TXRH
$12.7B
| $1.63M | ﹤0.01% |
310
+140
| +82% | +$6.83K |
|
1689
PUT
Canadian Natural Resources
CNQ
$96.9B
| $1.63M | ﹤0.01% |
1,905
-717
| -27% | -$5.79K |
|
1690
CALL
Americold
COLD
$4.09B
| $1.63M | ﹤0.01% |
448
+447
| +44,700% | +$15.3K |
|
|
XIFR
1691
CALL
XPLR Infrastructure LP
XIFR
$1.18B
| $1.63M | ﹤0.01% |
317
-89
| -22% | -$4.31K |
|
1692
Energy Transfer Partners
ET
$70.1B
| $1.62M | ﹤0.01% |
227,410
-37,238
| -14% | -$276K |
|
|
MNDT
1693
CALL
DELISTED
Mandiant, Inc. Common Stock
MNDT
| $1.62M | ﹤0.01% |
1,330
-1,581
| -54% | -$18.3K |
|
|
CCMP
1694
PUT
DELISTED
CMC Materials, Inc. Common Stock
CCMP
| $1.62M | ﹤0.01% |
116
+19
| +20% | +$2.46K |
|
1695
CALL
Alamos Gold
AGI
$12.4B
| $1.62M | ﹤0.01% |
1,724
+1,596
| +1,247% | +$12.3K |
|
|
1696
CALL
Canadian Natural Resources
CNQ
$96.9B
| $1.61M | ﹤0.01% |
1,889
-960
| -34% | -$7.75K |
|
1697
PUT
Kinross Gold
KGC
$28.5B
| $1.61M | ﹤0.01% |
2,231
+717
| +47% | +$4.65K |
|
1698
CALL
Pultegroup
PHM
$24.5B
| $1.61M | ﹤0.01% |
473
+331
| +233% | +$9.94K |
|
1699
CALL
Bread Financial
BFH
$4.21B
| $1.61M | ﹤0.01% |
446
+233
| +109% | +$8.29K |
|
1700
PUT
Wyndham Hotels & Resorts
WH
$5.46B
| $1.61M | ﹤0.01% |
377
+19
| +5% | +$775 |
|
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.