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 | |
|---|---|---|---|---|---|---|
2751
Casey's General Stores
CASY
$31.9B
| $569K | ﹤0.01% |
3,811
-570
| -13% | -$85.9K |
|
|
TGNA
2752
CALL
DELISTED
TEGNA Inc
TGNA
| $569K | ﹤0.01% |
511
-1,703
| -77% | -$18.9K |
|
2753
AGNC Investment
AGNC
$12.3B
| $566K | ﹤0.01% |
+43,947
| New | +$551K |
|
2754
PUT
Cemex
CX
$17.4B
| $566K | ﹤0.01% |
1,966
+1,349
| +219% | +$3.16K |
|
2755
PUT
Teekay Tankers
TNK
$2.63B
| $566K | ﹤0.01% |
442
+359
| +433% | +$6.35K |
|
2756
CALL
Teucrium Soybean Fund
SOYB
$57.2M
| $565K | ﹤0.01% |
400
-6
| -1% | -$82 |
|
|
SMAR
2757
PUT
DELISTED
Smartsheet Inc.
SMAR
| $565K | ﹤0.01% |
111
+59
| +113% | +$3K |
|
|
HA
2758
PUT
DELISTED
Hawaiian Holdings, Inc.
HA
| $565K | ﹤0.01% |
403
-63
| -14% | -$858 |
|
2759
iShares Mortgage Real Estate ETF
REM
$542M
| $564K | ﹤0.01% |
22,713
-26,093
| -53% | -$585K |
|
2760
PUT
Encompass Health
EHC
$11.2B
| $563K | ﹤0.01% |
114
| – | – |
|
|
HOME
2761
CALL
DELISTED
At Home Group Inc.
HOME
| $563K | ﹤0.01% |
868
+638
| +277% | +$2.61K |
|
2762
PUT
Jazz Pharmaceuticals
JAZZ
$15.9B
| $562K | ﹤0.01% |
51
+5
| +11% | +$553 |
|
2763
CALL
Sasol
SSL
$7.58B
| $562K | ﹤0.01% |
730
+449
| +160% | +$2.46K |
|
2764
Starwood Property Trust
STWD
$6.12B
| $562K | ﹤0.01% |
37,609
-4,496
| -11% | -$60.5K |
|
|
MMP
2765
DELISTED
Magellan Midstream Partners, L.P.
MMP
| $562K | ﹤0.01% |
13,032
-18,244
| -58% | -$771K |
|
|
SEAC
2766
CALL
DELISTED
Seachange International Inc
SEAC
| $562K | ﹤0.01% |
186
+9
| +5% | +$421 |
|
2767
Macerich
MAC
$7.32B
| $560K | ﹤0.01% |
62,442
+62,342
| +62,342% | +$483K |
|
2768
PUT
AptarGroup
ATR
$8.45B
| $559K | ﹤0.01% |
50
+28
| +127% | +$2.98K |
|
2769
PUT
NMI Holdings
NMIH
$3.25B
| $559K | ﹤0.01% |
348
+204
| +142% | +$2.9K |
|
|
SPWR
2770
PUT
DELISTED
SunPower Corporation Common Stock
SPWR
| $559K | ﹤0.01% |
1,115
+46
| +4% | +$210 |
|
|
EV
2771
CALL
DELISTED
Eaton Vance Corp.
EV
| $559K | ﹤0.01% |
145
+32
| +28% | +$1.17K |
|
|
HTZ
2772
PUT
DELISTED
Hertz Global Holdings, Inc.
HTZ
| $559K | ﹤0.01% |
3,970
+2,218
| +127% | +$7.04K |
|
|
LOGM
2773
PUT
DELISTED
LogMein, Inc.
LOGM
| $559K | ﹤0.01% |
66
-45
| -41% | -$3.82K |
|
2774
Ecolab
ECL
$75.6B
| $558K | ﹤0.01% |
+2,806
| New | +$543K |
|
2775
NCR Voyix
VYX
$1.06B
| $558K | ﹤0.01% |
52,559
+45,933
| +693% | +$526K |
|
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.