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 | |
|---|---|---|---|---|---|---|
|
GPMT
3451
PUT
Granite Point Mortgage Trust
GPMT
$62.8M
| $343K | ﹤0.01% |
485
+183
| +61% | +$1.23K |
|
3452
PUT
New Fortress Energy
NFE
$96.4M
| $343K | ﹤0.01% |
+78
| New | +$2.05K |
|
3453
CALL
Turning Point Brands
TPB
$1.52B
| $343K | ﹤0.01% |
+123
| New | +$3.62K |
|
3454
Veeco
VECO
$2.96B
| $343K | ﹤0.01% |
29,414
+1,652
| +6% | +$21.1K |
|
3455
Xylem
XYL
$28.6B
| $342K | ﹤0.01% |
+4,076
| New | +$317K |
|
3456
PUT
Brink's
BCO
$4.86B
| $341K | ﹤0.01% |
83
+71
| +592% | +$3.13K |
|
3457
The Mosaic Company
MOS
$7.1B
| $341K | ﹤0.01% |
18,717
-113,433
| -86% | -$1.85M |
|
3458
CALL
Olin
OLN
$2.49B
| $341K | ﹤0.01% |
276
-17
| -6% | -$197 |
|
3459
Regal Rexnord
RRX
$14B
| $341K | ﹤0.01% |
3,637
+2,650
| +268% | +$251K |
|
|
DENN
3460
CALL
DELISTED
Denny's
DENN
| $340K | ﹤0.01% |
340
+192
| +130% | +$1.92K |
|
3461
CALL
Icahn Enterprises
IEP
$5.19B
| $340K | ﹤0.01% |
69
+10
| +17% | +$505 |
|
|
NGD
3462
DELISTED
New Gold Inc
NGD
| $340K | ﹤0.01% |
200,179
+43,517
| +28% | +$69.9K |
|
3463
PUT
Trustmark
TRMK
$2.71B
| $340K | ﹤0.01% |
159
+45
| +39% | +$1.03K |
|
3464
Churchill Downs
CHDN
$6.15B
| $339K | ﹤0.01% |
4,140
+3,982
| +2,520% | +$309K |
|
3465
CALL
Red Robin
RRGB
$136M
| $339K | ﹤0.01% |
258
-220
| -46% | -$2.29K |
|
3466
Fortuna Silver Mines
FSM
$2.59B
| $338K | ﹤0.01% |
53,219
+13,317
| +33% | +$85.5K |
|
3467
PUT
Radian Group
RDN
$5.18B
| $338K | ﹤0.01% |
232
+62
| +36% | +$923 |
|
3468
CALL
STAG Industrial
STAG
$7.77B
| $338K | ﹤0.01% |
111
+24
| +28% | +$757 |
|
3469
CALL
Perdoceo Education
PRDO
$1.99B
| $337K | ﹤0.01% |
276
+60
| +28% | +$872 |
|
|
GOEV
3470
CALL
DELISTED
Canoo Inc. Class A Common Stock
GOEV
| $337K | ﹤0.01% |
+1
| New | +$5.13K |
|
|
INFO
3471
PUT
DELISTED
IHS Markit Ltd. Common Shares
INFO
| $337K | ﹤0.01% |
43
-385
| -90% | -$30.7K |
|
3472
Vanguard Growth ETF
VUG
$216B
| $336K | ﹤0.01% |
+8,874
| New | +$328K |
|
|
CTB
3473
CALL
DELISTED
Cooper Tire & Rubber Co.
CTB
| $336K | ﹤0.01% |
106
+8
| +8% | +$261 |
|
3474
CALL
Arbutus Biopharma
ABUS
$871M
| $335K | ﹤0.01% |
1,073
-1,233
| -53% | -$3.75K |
|
3475
PUT
Compass Diversified
CODI
$755M
| $335K | ﹤0.01% |
176
-21
| -11% | -$357 |
|
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.