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 | |
|---|---|---|---|---|---|---|
3376
PUT
Compass Diversified
CODI
$749M
| $339K | ﹤0.01% |
197
+113
| +135% | +$1.93K |
|
3377
HubSpot
HUBS
$11.6B
| $339K | ﹤0.01% |
1,512
-4,868
| -76% | -$875K |
|
3378
AXIS Capital
AXS
$8.63B
| $338K | ﹤0.01% |
8,351
+8,121
| +3,531% | +$313K |
|
3379
PUT
Invesco DB Base Metals Fund
DBB
$308M
| $338K | ﹤0.01% |
379
+272
| +254% | +$3.49K |
|
3380
CALL
Primerica
PRI
$9.83B
| $338K | ﹤0.01% |
29
-64
| -69% | -$6.81K |
|
3381
ScottsMiracle-Gro
SMG
$4.02B
| $338K | ﹤0.01% |
+2,518
| New | +$325K |
|
|
TVRD
3382
PUT
Tvardi Therapeutics
TVRD
$23.9M
| $338K | ﹤0.01% |
6
-2
| -25% | -$1.1K |
|
|
TRTN
3383
CALL
DELISTED
Triton International Limited
TRTN
| $338K | ﹤0.01% |
112
+57
| +104% | +$1.69K |
|
|
AMRS
3384
CALL
DELISTED
Amyris Inc.
AMRS
| $338K | ﹤0.01% |
792
-1,217
| -61% | -$4.05K |
|
|
ENV
3385
CALL
DELISTED
ENVESTNET, INC.
ENV
| $338K | ﹤0.01% |
46
+29
| +171% | +$1.9K |
|
3386
CALL
Afya
AFYA
$1.31B
| $337K | ﹤0.01% |
144
-2
| -1% | -$41 |
|
3387
CALL
Lands' End
LE
$371M
| $337K | ﹤0.01% |
420
+1
| +0.2% | +$7 |
|
3388
CALL
MacroGenics
MGNX
$252M
| $337K | ﹤0.01% |
121
-56
| -32% | -$973 |
|
3389
Newmark Group
NMRK
$2.81B
| $337K | ﹤0.01% |
69,464
-1,815
| -3% | -$7.63K |
|
3390
PUT
Ooma
OOMA
$566M
| $337K | ﹤0.01% |
205
-26
| -11% | -$325 |
|
3391
PUT
Gogo Inc
GOGO
$536M
| $336K | ﹤0.01% |
1,066
+843
| +378% | +$1.81K |
|
3392
CALL
Olin
OLN
$2.52B
| $336K | ﹤0.01% |
293
+100
| +52% | +$1.27K |
|
3393
ADMA Biologics
ADMA
$1.98B
| $335K | ﹤0.01% |
114,363
+87,615
| +328% | +$252K |
|
3394
CALL
Cimpress
CMPR
$2.4B
| $335K | ﹤0.01% |
44
+4
| +10% | +$285 |
|
|
EVOP
3395
CALL
DELISTED
EVO Payments, Inc. Class A Common Stock
EVOP
| $335K | ﹤0.01% |
147
+38
| +35% | +$755 |
|
3396
CALL
Asure Software
ASUR
$226M
| $334K | ﹤0.01% |
520
+366
| +238% | +$2.28K |
|
|
3397
PUT
Asure Software
ASUR
$226M
| $334K | ﹤0.01% |
520
-350
| -40% | -$2.18K |
|
3398
Amdocs
DOX
$5.71B
| $334K | ﹤0.01% |
+5,494
| New | +$339K |
|
3399
PUT
Ethan Allen Interiors
ETD
$587M
| $334K | ﹤0.01% |
283
+269
| +1,921% | +$2.99K |
|
3400
PUT
Veritone
VERI
$99.5M
| $334K | ﹤0.01% |
+225
| New | +$1.89K |
|
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.