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 |
Amazon
AMZN
|
+$102M |
| 2 |
TSMC
TSM
|
+$27.8M |
| 3 |
JPMorgan Chase
JPM
|
+$22.4M |
| 4 |
Boeing
BA
|
+$19.4M |
| 5 |
ExxonMobil
XOM
|
+$14.7M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
SPDR Gold Trust
GLD
|
+$95.5M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$79.6M |
| 3 |
Tesla
TSLA
|
+$75.3M |
| 4 |
NVIDIA
NVDA
|
+$51.6M |
| 5 |
iShares MSCI EAFE ETF
EFA
|
+$40.5M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.53% |
| 2 | Technology | 0.4% |
| 3 | Healthcare | 0.22% |
| 4 | Financials | 0.21% |
| 5 | Communication Services | 0.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
MITT
3351
TPG Mortgage Investment Trust
MITT
$233M
| $372K | ﹤0.01% |
+44,936
| New | +$397K |
|
3352
PUT
Ameren
AEE
$31B
| $371K | ﹤0.01% |
47
-14
| -23% | -$1.1K |
|
3353
CALL
iHeartMedia
IHRT
$547M
| $371K | ﹤0.01% |
457
+359
| +366% | +$3.05K |
|
3354
PUT
Ryder
R
$10.3B
| $371K | ﹤0.01% |
88
| – | – |
|
3355
CALL
Silicon Laboratories
SLAB
$7.17B
| $371K | ﹤0.01% |
38
-30
| -44% | -$3.02K |
|
|
CIT
3356
PUT
DELISTED
CIT Group Inc.
CIT
| $371K | ﹤0.01% |
210
+116
| +123% | +$2.21K |
|
3357
CALL
Energy Focus
EFOI
$18M
| $370K | ﹤0.01% |
77
-48
| -38% | -$2.33K |
|
3358
SL Green Realty
SLG
$3.83B
| $370K | ﹤0.01% |
8,262
+4,009
| +94% | +$186K |
|
|
ENV
3359
CALL
DELISTED
ENVESTNET, INC.
ENV
| $370K | ﹤0.01% |
48
+2
| +4% | +$160 |
|
3360
PUT
Antero Midstream
AM
$10.4B
| $369K | ﹤0.01% |
688
-330
| -32% | -$2.01K |
|
3361
PUT
Grocery Outlet
GO
$932M
| $369K | ﹤0.01% |
94
-123
| -57% | -$5.07K |
|
3362
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$4.91B
| $369K | ﹤0.01% |
8,750
-121
| -1% | -$4.52K |
|
|
MAGN
3363
CALL
Magnera Corp
MAGN
$490M
| $369K | ﹤0.01% |
21
-2
| -9% | -$400 |
|
3364
CALL
Bank of Hawaii
BOH
$3.17B
| $368K | ﹤0.01% |
73
+51
| +232% | +$2.85K |
|
3365
PUT
DaVita
DVA
$15.2B
| $368K | ﹤0.01% |
43
-40
| -48% | -$3.42K |
|
3366
CALL
Hancock Whitney
HWC
$6.07B
| $368K | ﹤0.01% |
196
-6
| -3% | -$117 |
|
|
INVX
3367
Innovex International
INVX
$1.85B
| $368K | ﹤0.01% |
+14,896
| New | +$474K |
|
|
VG
3368
PUT
DELISTED
Vonage Holdings Corporation
VG
| $368K | ﹤0.01% |
360
-63
| -15% | -$699 |
|
3369
CALL
TriNet
TNET
$2.94B
| $367K | ﹤0.01% |
62
+53
| +589% | +$3.4K |
|
3370
CALL
Valley National Bancorp
VLY
$7.94B
| $367K | ﹤0.01% |
536
+426
| +387% | +$3.16K |
|
3371
British American Tobacco
BTI
$131B
| $366K | ﹤0.01% |
10,141
+8,910
| +724% | +$312K |
|
3372
CALL
Equitable Holdings
EQH
$13.3B
| $366K | ﹤0.01% |
201
-18
| -8% | -$362 |
|
3373
CALL
Evercore
EVR
$13.2B
| $366K | ﹤0.01% |
56
+24
| +75% | +$1.46K |
|
3374
Corning
GLW
$123B
| $366K | ﹤0.01% |
11,295
-28,610
| -72% | -$884K |
|
3375
PUT
Milestone Pharmaceuticals
MIST
$141M
| $366K | ﹤0.01% |
+500
| New | +$3.58K |
|
Similar funds
Simplex Trading's Q3 2020 Portfolio in Review
As of Q3 2020, Simplex Trading held 9,056 positions worth $73.5B, up 17% from $62.7B the previous quarter. Its ten largest holdings account for 43% of the portfolio.
Simplex Trading's Q3 2020 filing shows 1,403 new, 3,135 increased, 3,122 reduced and 1,191 closed positions. Its largest new stake was Goldman Sachs: 60,397 shares worth $12.1M. The largest sale was SPDR Gold Trust, an estimated $95.5M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.53% of assets, up from 0.47% a quarter earlier, followed by Technology and Healthcare.
- Simplex Trading's largest Q3 2020 buy was Goldman Sachs: 60,397 shares worth $12.1M.
- Simplex Trading added most to Amazon in Q3 2020, an estimated $102M increase.
- Simplex Trading's biggest Q3 2020 reduction was SPDR Gold Trust, cutting an estimated $95.5M.
- Simplex Trading fully exited iShares MSCI EAFE ETF in Q3 2020, selling an estimated $40.5M.
- Simplex Trading's ten largest holdings make up 43% of its $73.5B portfolio in Q3 2020.
- Simplex Trading opened 1,403 new positions and closed 1,191 in Q3 2020.
- Simplex Trading's portfolio value rose 17% quarter-over-quarter to $73.5B.
Based on Simplex Trading's 13F filing for Q3 2020, filed 14 Oct 2020.