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 | |
|---|---|---|---|---|---|---|
1726
CALL
Ralph Lauren
RL
$22.2B
| $2.3M | ﹤0.01% |
25,700
-3,900
| -13% | -$393K |
|
1727
CALL
Arbor Realty Trust
ABR
$960M
| $2.3M | ﹤0.01% |
175,600
-43,800
| -20% | -$703K |
|
1728
PUT
Stellantis
STLA
$16.5B
| $2.3M | ﹤0.01% |
186,200
-93,400
| -33% | -$1.32M |
|
1729
CALL
Main Street Capital
MAIN
$4.97B
| $2.3M | ﹤0.01% |
59,700
+32,600
| +120% | +$1.27M |
|
1730
CALL
Equinix
EQIX
$107B
| $2.3M | ﹤0.01% |
3,500
+100
| +3% | +$69.3K |
|
1731
PUT
PPG Industries
PPG
$25.9B
| $2.3M | ﹤0.01% |
20,100
+12,000
| +148% | +$1.5M |
|
1732
CALL
Carrier Global
CARR
$57.2B
| $2.3M | ﹤0.01% |
64,400
-14,600
| -18% | -$573K |
|
1733
PUT
Virgin Galactic
SPCE
$320M
| $2.3M | ﹤0.01% |
19,075
-14,250
| -43% | -$2.07M |
|
|
NVMI
1734
Nova
NVMI
$13.9B
| $2.29M | ﹤0.01% |
25,907
+14,928
| +136% | +$1.49M |
|
1735
CALL
Flex
FLEX
$43.4B
| $2.28M | ﹤0.01% |
209,401
-15,658
| -7% | -$194K |
|
1736
PUT
Wingstop
WING
$3.68B
| $2.28M | ﹤0.01% |
30,500
+28,500
| +1,425% | +$2.48M |
|
1737
CALL
Zions Bancorporation
ZION
$10.1B
| $2.28M | ﹤0.01% |
44,800
-24,600
| -35% | -$1.4M |
|
|
BBBY
1738
PUT
DELISTED
Bed Bath & Beyond Inc
BBBY
| $2.28M | ﹤0.01% |
458,900
-230,900
| -33% | -$2.69M |
|
|
TCDA
1739
CALL
DELISTED
Tricida, Inc. Common Stock
TCDA
| $2.28M | ﹤0.01% |
235,200
-17,300
| -7% | -$165K |
|
1740
CALL
Polaris
PII
$4.15B
| $2.27M | ﹤0.01% |
22,900
-9,400
| -29% | -$974K |
|
1741
PUT
Sony
SONY
$123B
| $2.27M | ﹤0.01% |
139,000
-32,500
| -19% | -$576K |
|
1742
CALL
Credit Acceptance
CACC
$6B
| $2.27M | ﹤0.01% |
4,800
-1,500
| -24% | -$828K |
|
1743
CALL
Editas Medicine
EDIT
$399M
| $2.27M | ﹤0.01% |
192,100
-35,300
| -16% | -$473K |
|
1744
International Paper
IP
$22.3B
| $2.27M | ﹤0.01% |
+54,224
| New | +$2.52M |
|
1745
CALL
ACI Worldwide
ACIW
$5.72B
| $2.27M | ﹤0.01% |
87,600
-15,400
| -15% | -$414K |
|
|
CNR
1746
PUT
Core Natural Resources Inc
CNR
$4.19B
| $2.27M | ﹤0.01% |
45,900
-7,200
| -14% | -$350K |
|
1747
CALL
Amphenol
APH
$188B
| $2.26M | ﹤0.01% |
70,200
+31,600
| +82% | +$1.1M |
|
1748
CALL
Newell Brands
NWL
$2.16B
| $2.26M | ﹤0.01% |
118,600
+62,400
| +111% | +$1.33M |
|
1749
PUT
IQVIA
IQV
$34.7B
| $2.26M | ﹤0.01% |
10,400
-37,200
| -78% | -$8.08M |
|
1750
PUT
Liberty Energy
LBRT
$2.83B
| $2.25M | ﹤0.01% |
176,600
+166,400
| +1,631% | +$2.61M |
|
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.