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 | |
|---|---|---|---|---|---|---|
2876
PUT
Radware
RDWR
$1.24B
| $547K | ﹤0.01% |
226
-232
| -51% | -$5.87K |
|
2877
PUT
Coherus Oncology
CHRS
$217M
| $546K | ﹤0.01% |
298
-2
| -0.7% | -$37 |
|
2878
CALL
FTAI Aviation
FTAI
$22.2B
| $546K | ﹤0.01% |
374
+130
| +53% | +$1.73K |
|
2879
CALL
Golar LNG
GLNG
$4.95B
| $546K | ﹤0.01% |
902
+330
| +58% | +$2.95K |
|
2880
PUT
Precigen
PGEN
$1.93B
| $546K | ﹤0.01% |
1,560
+1,060
| +212% | +$5.03K |
|
|
IAA
2881
PUT
DELISTED
IAA, Inc. Common Stock
IAA
| $546K | ﹤0.01% |
105
+96
| +1,067% | +$4.47K |
|
2882
CALL
Arbor Realty Trust
ABR
$960M
| $545K | ﹤0.01% |
476
+89
| +23% | +$933 |
|
2883
SolarEdge
SEDG
$2.59B
| $545K | ﹤0.01% |
+2,287
| New | +$440K |
|
2884
PUT
Bio-Techne
TECH
$11.2B
| $545K | ﹤0.01% |
88
+68
| +340% | +$4.42K |
|
2885
PUT
Toro Company
TTC
$8.93B
| $545K | ﹤0.01% |
65
-22
| -25% | -$1.65K |
|
2886
PUT
Cerus
CERS
$587M
| $544K | ﹤0.01% |
870
-124
| -12% | -$823 |
|
|
CMBT
2887
CALL
CMB.TECH NV
CMBT
$4.57B
| $544K | ﹤0.01% |
617
+459
| +291% | +$4.28K |
|
2888
CALL
Federal Realty Investment Trust
FRT
$10.9B
| $543K | ﹤0.01% |
74
-11
| -13% | -$867 |
|
2889
Hecla Mining
HL
$10.2B
| $543K | ﹤0.01% |
+107,056
| New | +$566K |
|
2890
MACOM Technology Solutions
MTSI
$20.4B
| $543K | ﹤0.01% |
+15,968
| New | +$580K |
|
2891
Unilever
UL
$131B
| $542K | ﹤0.01% |
+7,824
| New | +$522K |
|
|
CUB
2892
DELISTED
Cubic Corporation
CUB
| $542K | ﹤0.01% |
+9,320
| New | +$438K |
|
2893
PUT
QuantumScape Corp
QS
$3B
| $541K | ﹤0.01% |
+323
| New | +$4.79K |
|
2894
CALL
Navigator Holdings
NVGS
$1.34B
| $540K | ﹤0.01% |
646
+481
| +292% | +$4K |
|
|
EVRI
2895
PUT
DELISTED
Everi Holdings
EVRI
| $539K | ﹤0.01% |
654
+431
| +193% | +$2.99K |
|
2896
CALL
GoodRx Holdings
GDRX
$1B
| $539K | ﹤0.01% |
+97
| New | +$5.13K |
|
2897
CALL
Hyatt Hotels
H
$17.6B
| $539K | ﹤0.01% |
101
-303
| -75% | -$16.3K |
|
2898
PUT
Onto Innovation
ONTO
$13.6B
| $539K | ﹤0.01% |
181
+154
| +570% | +$5.11K |
|
2899
PUT
Weyerhaeuser
WY
$17.3B
| $539K | ﹤0.01% |
189
-430
| -69% | -$11.8K |
|
|
TGP
2900
CALL
DELISTED
Teekay LNG Partners L.P.
TGP
| $539K | ﹤0.01% |
514
+279
| +119% | +$3.13K |
|
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.