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 | |
|---|---|---|---|---|---|---|
1376
PUT
Royal Bank of Canada
RY
$291B
| $2.41M | ﹤0.01% |
344
-506
| -60% | -$36.4K |
|
1377
CALL
Telus
TU
$16B
| $2.41M | ﹤0.01% |
1,370
-43
| -3% | -$764 |
|
|
RUTH
1378
PUT
DELISTED
Ruth's Hospitality Group, Inc.
RUTH
| $2.4M | ﹤0.01% |
2,174
-1,274
| -37% | -$11.5K |
|
1379
PUT
Hartford Financial Services
HIG
$38.5B
| $2.4M | ﹤0.01% |
651
+178
| +38% | +$7.1K |
|
1380
PUT
Molson Coors Class B
TAP
$7.68B
| $2.4M | ﹤0.01% |
715
-7
| -1% | -$253 |
|
1381
CALL
Church & Dwight Co
CHD
$23.1B
| $2.4M | ﹤0.01% |
256
| – | – |
|
|
ONIT
1382
PUT
Onity Group
ONIT
$333M
| $2.4M | ﹤0.01% |
1,135
+1,105
| +3,683% | +$19.9K |
|
1383
CALL
Targa Resources
TRGP
$60.4B
| $2.39M | ﹤0.01% |
1,701
+952
| +127% | +$16.7K |
|
|
BIG
1384
CALL
DELISTED
Big Lots, Inc.
BIG
| $2.39M | ﹤0.01% |
535
+36
| +7% | +$1.62K |
|
1385
Dropbox
DBX
$6.81B
| $2.38M | ﹤0.01% |
123,750
+107,662
| +669% | +$2.24M |
|
1386
CALL
Yeti Holdings
YETI
$3.82B
| $2.38M | ﹤0.01% |
526
-78
| -13% | -$3.7K |
|
1387
CALL
Corpay
CPAY
$24.2B
| $2.38M | ﹤0.01% |
100
+23
| +30% | +$5.68K |
|
1388
iShares S&P 500 Growth ETF
IVW
$72.5B
| $2.38M | ﹤0.01% |
+41,200
| New | +$2.33M |
|
1389
CALL
Watsco Inc
WSO
$14.9B
| $2.38M | ﹤0.01% |
102
+101
| +10,100% | +$22.8K |
|
|
DNKN
1390
PUT
DELISTED
Dunkin' Brands Group, Inc.
DNKN
| $2.38M | ﹤0.01% |
290
-63
| -18% | -$4.55K |
|
1391
PUT
Bright Horizons
BFAM
$3.99B
| $2.37M | ﹤0.01% |
156
+151
| +3,020% | +$19K |
|
|
VRNT
1392
CALL
DELISTED
Verint Systems
VRNT
| $2.37M | ﹤0.01% |
966
+516
| +115% | +$12K |
|
1393
CALL
Citizens Financial Group
CFG
$30.4B
| $2.37M | ﹤0.01% |
937
+233
| +33% | +$5.91K |
|
1394
PUT
Public Storage
PSA
$60.2B
| $2.36M | ﹤0.01% |
106
+21
| +25% | +$4.29K |
|
1395
QuidelOrtho
QDEL
$1.09B
| $2.35M | ﹤0.01% |
10,739
+4,970
| +86% | +$1.11M |
|
1396
CALL
A.O. Smith
AOS
$8.38B
| $2.35M | ﹤0.01% |
446
+357
| +401% | +$17.8K |
|
|
PPLI
1397
People Inc
PPLI
$3.1B
| $2.35M | ﹤0.01% |
35,879
+28,213
| +368% | +$1.94M |
|
|
SAVE
1398
CALL
DELISTED
Spirit Airlines, Inc.
SAVE
| $2.35M | ﹤0.01% |
1,457
-725
| -33% | -$12.5K |
|
1399
CALL
Dine Brands
DIN
$432M
| $2.34M | ﹤0.01% |
429
+219
| +104% | +$11.1K |
|
1400
PUT
Kinross Gold
KGC
$28.5B
| $2.34M | ﹤0.01% |
2,654
+423
| +19% | +$3.66K |
|
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.