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 |
Apple
AAPL
|
+$286M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$82.3M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$72.6M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$64.2M |
| 5 |
Intel
INTC
|
+$52.9M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$51.5M |
| 2 |
iShares Silver Trust
SLV
|
+$41.8M |
| 3 |
Ford
F
|
+$26.3M |
| 4 |
United Airlines
UAL
|
+$22.7M |
| 5 |
ExxonMobil
XOM
|
+$22.3M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.84% |
| 2 | Communication Services | 0.32% |
| 3 | Consumer Discretionary | 0.32% |
| 4 | Financials | 0.28% |
| 5 | Healthcare | 0.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
ASRT
2726
CALL
DELISTED
Assertio
ASRT
| $905K | ﹤0.01% |
20,467
+11,594
| +131% | +$483K |
|
2727
CALL
Quad
QUAD
$438M
| $905K | ﹤0.01% |
329,300
+73,100
| +29% | +$354K |
|
2728
CALL
ProShares UltraShort Industrials
SIJ
$5.69M
| $905K | ﹤0.01% |
7,575
-1,025
| -12% | -$72.2K |
|
2729
Advance Auto Parts
AAP
$3.48B
| $903K | ﹤0.01% |
5,221
+2,123
| +69% | +$421K |
|
|
GES
2730
CALL
DELISTED
Guess Inc
GES
| $903K | ﹤0.01% |
53,000
+18,400
| +53% | +$383K |
|
2731
CALL
Ionis Pharmaceuticals
IONS
$9.25B
| $903K | ﹤0.01% |
24,400
+7,700
| +46% | +$290K |
|
2732
PUT
Upwork
UPWK
$1.14B
| $903K | ﹤0.01% |
43,700
+10,000
| +30% | +$197K |
|
|
GBT
2733
PUT
DELISTED
Global Blood Therapeutics, Inc.
GBT
| $900K | ﹤0.01% |
28,200
+500
| +2% | +$14.6K |
|
|
DIDI
2734
PUT
DELISTED
DiDi Global Inc. American depositary shares, each four representing one Class A ordinary share
DIDI
| $900K | ﹤0.01% |
305,100
-499,900
| -62% | -$992K |
|
2735
Coherus Oncology
CHRS
$225M
| $898K | ﹤0.01% |
124,118
+122,981
| +10,816% | +$1.07M |
|
|
EBIX
2736
DELISTED
Ebix Inc
EBIX
| $898K | ﹤0.01% |
53,192
-29,167
| -35% | -$816K |
|
2737
CALL
Arthur J. Gallagher & Co
AJG
$65.1B
| $896K | ﹤0.01% |
5,500
+2,700
| +96% | +$448K |
|
2738
Expedia Group
EXPE
$33.4B
| $896K | ﹤0.01% |
9,452
-81,501
| -90% | -$11.5M |
|
2739
Mastercard
MA
$487B
| $895K | ﹤0.01% |
2,837
-48,204
| -94% | -$16.6M |
|
2740
YPF
YPF
$20B
| $895K | ﹤0.01% |
274,743
+112,394
| +69% | +$485K |
|
|
BBIG
2741
PUT
DELISTED
Vinco Ventures, Inc. Common Stock
BBIG
| $895K | ﹤0.01% |
11,350
-14,177
| -56% | -$476K |
|
2742
CALL
AutoNation
AN
$7.1B
| $894K | ﹤0.01% |
8,000
-6,500
| -45% | -$737K |
|
2743
CALL
Molina Healthcare
MOH
$10.4B
| $894K | ﹤0.01% |
3,200
| – | – |
|
2744
CALL
CenterPoint Energy
CNP
$28.8B
| $893K | ﹤0.01% |
30,200
-6,300
| -17% | -$194K |
|
2745
FerroAtlántica
GSM
$617M
| $893K | ﹤0.01% |
150,498
+20,945
| +16% | +$147K |
|
|
BREZ
2746
CALL
DELISTED
Breeze Holdings Acquisition Corp. Common Stock
BREZ
| $893K | ﹤0.01% |
87,000
+29,800
| +52% | +$306K |
|
2747
PUT
Brown & Brown
BRO
$23.6B
| $892K | ﹤0.01% |
15,300
+8,500
| +125% | +$522K |
|
2748
ProShares Ultra Euro
ULE
$4.28M
| $892K | ﹤0.01% |
80,372
+78,701
| +4,710% | +$906K |
|
2749
LKQ Corp
LKQ
$6.69B
| $891K | ﹤0.01% |
+18,158
| New | +$894K |
|
|
FTCV
2750
PUT
DELISTED
FinTech Acquisition Corp. V Class A Common Stock
FTCV
| $891K | ﹤0.01% |
90,500
+74,500
| +466% | +$734K |
|
Similar funds
Simplex Trading's Q2 2022 Portfolio in Review
As of Q2 2022, Simplex Trading held 11,810 positions worth $94.1B, down 14% from $109B the previous quarter. Its ten largest holdings account for 40% of the portfolio.
Simplex Trading deployed $11.3B of net new capital in Q2 2022, opening 1,405 new positions and adding to 4,027 existing holdings. Its largest new stake was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
By sector, the portfolio is most concentrated in Technology at 0.84% of assets, up from 0.67% a quarter earlier, followed by Communication Services and Consumer Discretionary.
On the sell side, the largest reduction was United Airlines, an estimated $22.7M trimmed.
- Simplex Trading's largest Q2 2022 buy was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
- Simplex Trading added most to Apple in Q2 2022, an estimated $286M increase.
- Simplex Trading's biggest Q2 2022 reduction was United Airlines, cutting an estimated $22.7M.
- Simplex Trading fully exited State Street SPDR S&P 500 ETF Trust in Q2 2022, selling an estimated $51.5M.
- Simplex Trading's ten largest holdings make up 40% of its $94.1B portfolio in Q2 2022.
- Simplex Trading opened 1,405 new positions and closed 1,792 in Q2 2022.
- Simplex Trading's portfolio value fell 14% quarter-over-quarter to $94.1B.
Based on Simplex Trading's 13F filing for Q2 2022, filed 3 Aug 2022.