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 | |
|---|---|---|---|---|---|---|
676
PUT
Analog Devices
ADI
$188B
| $6.96M | 0.01% |
568
-576
| -50% | -$63.3K |
|
677
CALL
Agnico Eagle Mines
AEM
$73.5B
| $6.96M | 0.01% |
1,087
+506
| +87% | +$30K |
|
678
Newmont
NEM
$102B
| $6.94M | 0.01% |
112,434
+59,848
| +114% | +$3.54M |
|
679
CALL
Macy's
M
$6.4B
| $6.93M | 0.01% |
10,079
+8,811
| +695% | +$54.2K |
|
680
PUT
Credit Acceptance
CACC
$6.34B
| $6.91M | 0.01% |
165
+30
| +22% | +$10.4K |
|
681
CALL
Carlyle Group
CG
$15.9B
| $6.88M | 0.01% |
2,468
+1,327
| +116% | +$34.1K |
|
682
PUT
New Oriental
EDU
$7.75B
| $6.88M | 0.01% |
528
-399
| -43% | -$48.6K |
|
683
PUT
Welltower
WELL
$173B
| $6.86M | 0.01% |
1,326
+592
| +81% | +$29.1K |
|
684
PUT
Chubb
CB
$133B
| $6.81M | 0.01% |
538
+279
| +108% | +$32.3K |
|
685
CALL
Emerson Electric
EMR
$78.2B
| $6.79M | 0.01% |
1,095
+189
| +21% | +$10.7K |
|
|
WBA
686
PUT
DELISTED
Walgreens Boots Alliance
WBA
| $6.78M | 0.01% |
1,600
+386
| +32% | +$16.4K |
|
687
PUT
T. Rowe Price
TROW
$24.9B
| $6.78M | 0.01% |
549
-73
| -12% | -$8.32K |
|
688
CALL
Amdocs
DOX
$5.44B
| $6.78M | 0.01% |
1,113
+694
| +166% | +$42.9K |
|
689
CALL
Synchrony
SYF
$23.7B
| $6.69M | 0.01% |
3,020
+2,415
| +399% | +$47K |
|
|
K
690
CALL
DELISTED
Kellanova
K
| $6.68M | 0.01% |
1,078
-120
| -10% | -$7.26K |
|
691
CALL
Danaher
DHR
$126B
| $6.68M | 0.01% |
426
+28
| +7% | +$4.02K |
|
692
Norwegian Cruise Line
NCLH
$8.87B
| $6.67M | 0.01% |
406,165
+367,533
| +951% | +$5.38M |
|
693
CALL
BHP
BHP
$215B
| $6.66M | 0.01% |
1,502
-241
| -14% | -$9.43K |
|
694
PUT
O'Reilly Automotive
ORLY
$71.7B
| $6.66M | 0.01% |
2,370
+1,830
| +339% | +$47.8K |
|
695
CALL
Tilray
TLRY
$514M
| $6.63M | 0.01% |
932
-93
| -9% | -$7.5K |
|
696
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.47B
| $6.62M | 0.01% |
126,778
+59,447
| +88% | +$3M |
|
697
BP
BP
$112B
| $6.61M | 0.01% |
283,649
+181,867
| +179% | +$4.37M |
|
698
CALL
NIO
NIO
$11.7B
| $6.58M | 0.01% |
8,531
+2,785
| +48% | +$12.2K |
|
|
RDFN
699
PUT
DELISTED
Redfin
RDFN
| $6.57M | 0.01% |
1,567
+673
| +75% | +$17.7K |
|
700
PUT
Novartis
NVS
$291B
| $6.55M | 0.01% |
750
-313
| -29% | -$27K |
|
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.