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 | |
|---|---|---|---|---|---|---|
2501
CALL
Vertiv
VRT
$112B
| $694K | ﹤0.01% |
+512
| New | +$5.96K |
|
|
IAA
2502
CALL
DELISTED
IAA, Inc. Common Stock
IAA
| $694K | ﹤0.01% |
+180
| New | +$6.71K |
|
|
AMTD
2503
PUT
DELISTED
TD Ameritrade Holding Corp
AMTD
| $694K | ﹤0.01% |
191
-63
| -25% | -$2.37K |
|
2504
CBRE Group
CBRE
$40.8B
| $691K | ﹤0.01% |
+15,281
| New | +$659K |
|
2505
CALL
W.W. Grainger
GWW
$65.3B
| $691K | ﹤0.01% |
22
-11
| -33% | -$3.18K |
|
2506
Roku
ROKU
$21.1B
| $691K | ﹤0.01% |
5,930
-4,303
| -42% | -$492K |
|
2507
Syndax Pharmaceuticals
SNDX
$1.84B
| $691K | ﹤0.01% |
46,663
+26,617
| +133% | +$405K |
|
2508
Bread Financial
BFH
$4.21B
| $690K | ﹤0.01% |
+19,176
| New | +$682K |
|
2509
CALL
British American Tobacco
BTI
$132B
| $690K | ﹤0.01% |
178
-499
| -74% | -$19.1K |
|
2510
PUT
United Natural Foods
UNFI
$3.01B
| $690K | ﹤0.01% |
379
+191
| +102% | +$2.87K |
|
|
TECD
2511
DELISTED
Tech Data Corp
TECD
| $690K | ﹤0.01% |
4,767
-613
| -11% | -$84.7K |
|
2512
CALL
Canadian Pacific Kansas City
CP
$82B
| $689K | ﹤0.01% |
135
-70
| -34% | -$3.32K |
|
2513
CALL
Western Alliance Bancorporation
WAL
$9.07B
| $689K | ﹤0.01% |
182
-167
| -48% | -$5.84K |
|
|
LNW
2514
CALL
DELISTED
Light & Wonder
LNW
| $687K | ﹤0.01% |
445
+109
| +32% | +$1.42K |
|
2515
CALL
Towne Bank
TOWN
$3.35B
| $687K | ﹤0.01% |
365
+12
| +3% | +$223 |
|
|
ETFC
2516
CALL
DELISTED
E*Trade Financial Corporation
ETFC
| $686K | ﹤0.01% |
138
-227
| -62% | -$9.78K |
|
2517
Omega Healthcare
OHI
$15.4B
| $685K | ﹤0.01% |
23,056
+18,404
| +396% | +$545K |
|
2518
PBF Energy
PBF
$7.29B
| $685K | ﹤0.01% |
66,935
+6,163
| +10% | +$61.6K |
|
2519
CALL
SBA Communications
SBAC
$18.4B
| $685K | ﹤0.01% |
23
+19
| +475% | +$5.61K |
|
2520
PUT
Crocs
CROX
$6.69B
| $684K | ﹤0.01% |
186
+82
| +79% | +$2.17K |
|
2521
Caesarstone
CSTE
$72.3M
| $684K | ﹤0.01% |
57,736
+26,681
| +86% | +$281K |
|
2522
PUT
Kaiser Aluminum
KALU
$2.67B
| $684K | ﹤0.01% |
+93
| New | +$6.63K |
|
2523
United States 12 Month Oil Fund,
USL
$46.6M
| $684K | ﹤0.01% |
46,471
+46,071
| +11,518% | +$591K |
|
2524
CALL
LiveRamp
RAMP
$2.29B
| $683K | ﹤0.01% |
161
+66
| +69% | +$2.6K |
|
2525
PUT
Vicor
VICR
$9.62B
| $683K | ﹤0.01% |
95
+54
| +132% | +$3.03K |
|
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.