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 | |
|---|---|---|---|---|---|---|
2301
PUT
Vanguard Consumer Discretionary ETF
VCR
$5.84B
| $935K | ﹤0.01% |
143
+63
| +79% | +$14.3K |
|
2302
America Movil
AMX
$78.1B
| $934K | ﹤0.01% |
74,829
-14,208
| -16% | -$180K |
|
2303
CALL
nVent Electric
NVT
$24.5B
| $932K | ﹤0.01% |
527
-540
| -51% | -$10.1K |
|
2304
PUT
Equity Lifestyle Properties
ELS
$12.8B
| $931K | ﹤0.01% |
152
+130
| +591% | +$8.42K |
|
2305
Coeur Mining
CDE
$15.6B
| $930K | ﹤0.01% |
+126,104
| New | +$948K |
|
2306
CALL
Columbia Sportswear
COLM
$3.19B
| $930K | ﹤0.01% |
107
+2
| +2% | +$166 |
|
2307
CALL
WEC Energy
WEC
$37.7B
| $930K | ﹤0.01% |
96
-428
| -82% | -$39.9K |
|
2308
CALL
Xerox
XRX
$337M
| $930K | ﹤0.01% |
496
+91
| +22% | +$1.59K |
|
|
BIG
2309
DELISTED
Big Lots, Inc.
BIG
| $930K | ﹤0.01% |
+20,862
| New | +$938K |
|
2310
PUT
BioNTech
BNTX
$22.6B
| $927K | ﹤0.01% |
134
+32
| +31% | +$2.3K |
|
2311
Insmed
INSM
$23.2B
| $925K | ﹤0.01% |
+28,785
| New | +$827K |
|
2312
PUT
LivePerson
LPSN
$18.9M
| $925K | ﹤0.01% |
12
-4
| -25% | -$3K |
|
2313
iShares Mortgage Real Estate ETF
REM
$542M
| $924K | ﹤0.01% |
35,882
+13,169
| +58% | +$342K |
|
2314
PUT
First Horizon
FHN
$12.1B
| $923K | ﹤0.01% |
979
+770
| +368% | +$7.24K |
|
2315
CALL
Revolve Group
RVLV
$1.79B
| $923K | ﹤0.01% |
562
+199
| +55% | +$3.58K |
|
|
WCN
2316
PUT
Waste Connections
WCN
$42.8B
| $923K | ﹤0.01% |
89
-379
| -81% | -$37.9K |
|
2317
CALL
GFL Environmental
GFL
$14.3B
| $922K | ﹤0.01% |
434
+366
| +538% | +$7.36K |
|
2318
CALL
Waters Corp
WAT
$36.8B
| $919K | ﹤0.01% |
47
+27
| +135% | +$5.61K |
|
|
MMP
2319
DELISTED
Magellan Midstream Partners, L.P.
MMP
| $919K | ﹤0.01% |
26,875
+13,843
| +106% | +$548K |
|
|
ALBO
2320
DELISTED
Albireo Pharma Inc
ALBO
| $919K | ﹤0.01% |
27,543
+20,180
| +274% | +$588K |
|
2321
Baker Hughes
BKR
$56.8B
| $917K | ﹤0.01% |
69,061
+5,500
| +9% | +$84.1K |
|
2322
CALL
Otis Worldwide
OTIS
$27.4B
| $917K | ﹤0.01% |
147
-370
| -72% | -$22.6K |
|
2323
United States 12 Month Oil Fund,
USL
$46.6M
| $917K | ﹤0.01% |
60,970
+14,499
| +31% | +$224K |
|
2324
PUT
RenaissanceRe
RNR
$13.7B
| $916K | ﹤0.01% |
54
| – | – |
|
2325
PUT
BHP
BHP
$213B
| $915K | ﹤0.01% |
198
-44
| -18% | -$2.12K |
|
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.