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 |
Invesco QQQ Trust
QQQ
|
+$77.3M |
| 2 |
SPDR Gold Trust
GLD
|
+$73.2M |
| 3 |
iShares MSCI EAFE ETF
EFA
|
+$38.5M |
| 4 |
Netflix
NFLX
|
+$38.4M |
| 5 |
NVIDIA
NVDA
|
+$36.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$55.9M |
| 2 |
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
|
+$28.3M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$23.1M |
| 4 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$23.1M |
| 5 |
Adobe
ADBE
|
+$22M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.49% |
| 2 | Consumer Discretionary | 0.47% |
| 3 | Communication Services | 0.34% |
| 4 | Healthcare | 0.26% |
| 5 | Financials | 0.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
AUY
1576
CALL
DELISTED
Yamana Gold, Inc.
AUY
| $1.84M | ﹤0.01% |
3,371
-168
| -5% | -$803 |
|
1577
CALL
Factset
FDS
$9.05B
| $1.84M | ﹤0.01% |
56
-7
| -11% | -$2.02K |
|
1578
CALL
LGI Homes
LGIH
$1.4B
| $1.84M | ﹤0.01% |
209
-29
| -12% | -$2.03K |
|
1579
PUT
F5
FFIV
$22.1B
| $1.83M | ﹤0.01% |
131
-202
| -61% | -$27.2K |
|
|
SINA
1580
PUT
DELISTED
Sina Corp
SINA
| $1.82M | ﹤0.01% |
508
+203
| +67% | +$6.83K |
|
1581
PUT
Hartford Financial Services
HIG
$38.5B
| $1.82M | ﹤0.01% |
473
-419
| -47% | -$16K |
|
1582
CALL
CMS Energy
CMS
$23.1B
| $1.82M | ﹤0.01% |
312
+299
| +2,300% | +$17.3K |
|
1583
CALL
America Movil
AMX
$78.1B
| $1.82M | ﹤0.01% |
1,432
+990
| +224% | +$12.4K |
|
1584
PUT
PetMed Express
PETS
$42.5M
| $1.82M | ﹤0.01% |
510
+206
| +68% | +$7.15K |
|
1585
PUT
Aecom
ACM
$9.07B
| $1.81M | ﹤0.01% |
483
+264
| +121% | +$9.46K |
|
1586
PUT
Ares Capital
ARCC
$13.5B
| $1.81M | ﹤0.01% |
1,255
-611
| -33% | -$8.24K |
|
1587
CALL
Tenaris
TS
$29.1B
| $1.81M | ﹤0.01% |
1,402
+1,395
| +19,929% | +$18.4K |
|
1588
CALL
Dycom Industries
DY
$12.9B
| $1.81M | ﹤0.01% |
443
+403
| +1,008% | +$13.9K |
|
1589
CALL
Exelixis
EXEL
$13.9B
| $1.81M | ﹤0.01% |
762
-216
| -22% | -$5.01K |
|
1590
CALL
Cheniere Energy
LNG
$56.5B
| $1.81M | ﹤0.01% |
374
-423
| -53% | -$18.5K |
|
1591
CALL
Regions Financial
RF
$26.3B
| $1.8M | ﹤0.01% |
1,624
+1,443
| +797% | +$15.4K |
|
1592
CALL
Public Storage
PSA
$60.2B
| $1.8M | ﹤0.01% |
94
+51
| +119% | +$9.84K |
|
1593
PUT
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$4.9B
| $1.8M | ﹤0.01% |
632
+605
| +2,241% | +$16.5K |
|
1594
CALL
PVH
PVH
$3.71B
| $1.8M | ﹤0.01% |
374
+219
| +141% | +$10.2K |
|
1595
PUT
Red Rock Resorts
RRR
$3.74B
| $1.79M | ﹤0.01% |
1,643
+1,480
| +908% | +$16.7K |
|
1596
PUT
Capri Holdings
CPRI
$1.77B
| $1.79M | ﹤0.01% |
1,145
-289
| -20% | -$4.28K |
|
1597
CALL
Semtech
SMTC
$11.7B
| $1.78M | ﹤0.01% |
342
+183
| +115% | +$8.56K |
|
1598
Delta Air Lines
DAL
$55.9B
| $1.78M | ﹤0.01% |
+63,626
| New | +$1.62M |
|
|
APRN
1599
PUT
DELISTED
Blue Apron Holdings, Inc. Class A Common Stock
APRN
| $1.78M | ﹤0.01% |
134
-85
| -39% | -$10.3K |
|
1600
PUT
Apollo Global Management
APO
$70.7B
| $1.78M | ﹤0.01% |
357
+198
| +125% | +$8.69K |
|
Similar funds
Simplex Trading's Q2 2020 Portfolio in Review
As of Q2 2020, Simplex Trading held 8,917 positions worth $62.7B, up 11% from $56.7B the previous quarter. Its ten largest holdings account for 44% of the portfolio.
Simplex Trading's Q2 2020 filing shows 1,290 new, 3,427 increased, 2,723 reduced and 1,278 closed positions. Its largest new stake was iShares MSCI EAFE ETF: 665,841 shares worth $40.5M. The largest sale was Apple, an estimated $55.9M.
By sector, the portfolio is most concentrated in Technology at 0.49% of assets, up from 0.49% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- Simplex Trading's largest Q2 2020 buy was iShares MSCI EAFE ETF: 665,841 shares worth $40.5M.
- Simplex Trading added most to Invesco QQQ Trust in Q2 2020, an estimated $77.3M increase.
- Simplex Trading's biggest Q2 2020 reduction was Apple, cutting an estimated $55.9M.
- Simplex Trading fully exited Adobe in Q2 2020, selling an estimated $22M.
- Simplex Trading's ten largest holdings make up 44% of its $62.7B portfolio in Q2 2020.
- Simplex Trading opened 1,290 new positions and closed 1,278 in Q2 2020.
- Simplex Trading's portfolio value rose 11% quarter-over-quarter to $62.7B.
Based on Simplex Trading's 13F filing for Q2 2020, filed 13 Jul 2020.