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 | |
|---|---|---|---|---|---|---|
1126
CALL
Riot Platforms
RIOT
$8.52B
| $5.23M | 0.01% |
1,248,300
+226,600
| +22% | +$2.1M |
|
1127
PUT
Goodyear
GT
$2.07B
| $5.22M | 0.01% |
487,600
+152,900
| +46% | +$1.91M |
|
|
ARCH
1128
PUT
DELISTED
Arch Resources, Inc.
ARCH
| $5.22M | 0.01% |
36,500
+7,600
| +26% | +$1.21M |
|
1129
CALL
C3.ai
AI
$1.27B
| $5.2M | 0.01% |
284,900
+97,000
| +52% | +$1.78M |
|
1130
PUT
C.H. Robinson
CHRW
$22B
| $5.19M | 0.01% |
51,200
-6,800
| -12% | -$710K |
|
1131
PUT
Markel Group
MKL
$25B
| $5.17M | 0.01% |
4,000
+2,200
| +122% | +$3.02M |
|
1132
PUT
QuantumScape Corp
QS
$3B
| $5.17M | 0.01% |
602,100
-139,700
| -19% | -$1.87M |
|
1133
CALL
RB Global
RBA
$20.8B
| $5.17M | 0.01% |
79,500
+79,300
| +39,650% | +$4.65M |
|
1134
PUT
Scorpio Tankers
STNG
$3.96B
| $5.17M | 0.01% |
149,800
-31,900
| -18% | -$922K |
|
|
FL
1135
PUT
DELISTED
Foot Locker
FL
| $5.16M | 0.01% |
204,500
-15,800
| -7% | -$472K |
|
1136
Direxion Daily S&P 500 Bear 3x ETF
SPXS
$332M
| $5.15M | 0.01% |
19,303
+18,346
| +1,917% | +$4.16M |
|
1137
PUT
DigitalOcean
DOCN
$14.4B
| $5.14M | 0.01% |
124,400
+46,300
| +59% | +$2.07M |
|
1138
CALL
PPG Industries
PPG
$25.9B
| $5.14M | 0.01% |
45,000
+35,600
| +379% | +$4.45M |
|
1139
CALL
VF Corp
VFC
$6.68B
| $5.14M | 0.01% |
116,500
+32,300
| +38% | +$1.62M |
|
1140
Northrop Grumman
NOC
$77B
| $5.14M | 0.01% |
10,742
-1,696
| -14% | -$779K |
|
|
GTM
1141
PUT
ZoomInfo Technologies
GTM
$861M
| $5.14M | 0.01% |
154,600
+72,800
| +89% | +$3.21M |
|
1142
CALL
Stanley Black & Decker
SWK
$14.2B
| $5.13M | 0.01% |
48,900
+34,600
| +242% | +$4.26M |
|
1143
PUT
General Dynamics
GD
$105B
| $5.11M | 0.01% |
23,100
-10,100
| -30% | -$2.32M |
|
1144
PUT
Mohawk Industries
MHK
$6.9B
| $5.1M | 0.01% |
41,100
+29,300
| +248% | +$3.89M |
|
1145
ProShares Bitcoin Strategy ETF
BITO
$1.4B
| $5.09M | 0.01% |
438,165
+401,638
| +1,100% | +$8.08M |
|
|
SAFM
1146
CALL
DELISTED
Sanderson Farms Inc
SAFM
| $5.06M | 0.01% |
23,500
+21,900
| +1,369% | +$4.29M |
|
1147
The Mosaic Company
MOS
$7.09B
| $5.05M | 0.01% |
106,957
+102,794
| +2,469% | +$6.3M |
|
1148
PUT
VICI Properties
VICI
$29.4B
| $5.04M | 0.01% |
169,200
-30,600
| -15% | -$902K |
|
1149
PUT
Royal Bank of Canada
RY
$291B
| $5.02M | 0.01% |
51,900
+4,100
| +9% | +$419K |
|
|
TYNS
1150
PUT
DELISTED
Direxion Daily 7-10 Year Treasury Bear 1X Shares
TYNS
| $5.01M | 0.01% |
80,800
+7,400
| +10% | +$459K |
|
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.