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 | |
|---|---|---|---|---|---|---|
1326
McDonald's
MCD
$188B
| $3.73M | ﹤0.01% |
+15,129
| New | +$3.73M |
|
1327
CALL
Applovin
APP
$132B
| $3.73M | ﹤0.01% |
108,300
+42,100
| +64% | +$1.69M |
|
1328
Fidelity National Information Services
FIS
$21.5B
| $3.73M | ﹤0.01% |
40,683
+12,938
| +47% | +$1.29M |
|
1329
Rio Tinto
RIO
$148B
| $3.73M | ﹤0.01% |
+61,135
| New | +$4.38M |
|
1330
PUT
Vail Resorts
MTN
$5.19B
| $3.73M | ﹤0.01% |
17,100
-1,300
| -7% | -$318K |
|
1331
iShares 3-7 Year Treasury Bond ETF
IEI
$18.1B
| $3.73M | ﹤0.01% |
31,224
+9,291
| +42% | +$1.11M |
|
1332
PUT
PG&E
PCG
$47.8B
| $3.73M | ﹤0.01% |
373,400
+278,000
| +291% | +$3.27M |
|
|
BRSL
1333
Brightstar Lottery PLC
BRSL
$1.91B
| $3.72M | ﹤0.01% |
200,389
+54,889
| +38% | +$1.17M |
|
1334
PUT
Range Resources
RRC
$9.11B
| $3.71M | ﹤0.01% |
149,800
+101,000
| +207% | +$3.09M |
|
|
PXD
1335
DELISTED
Pioneer Natural Resource Co.
PXD
| $3.71M | ﹤0.01% |
16,621
-3,878
| -19% | -$984K |
|
|
FYBR
1336
CALL
DELISTED
Frontier Communications
FYBR
| $3.71M | ﹤0.01% |
157,400
+140,400
| +826% | +$3.59M |
|
1337
PUT
Bausch Health
BHC
$1.65B
| $3.69M | ﹤0.01% |
441,900
-91,300
| -17% | -$1.28M |
|
1338
CALL
Entergy
ETR
$54.1B
| $3.69M | ﹤0.01% |
65,600
+52,000
| +382% | +$3.06M |
|
1339
Peabody Energy
BTU
$2.78B
| $3.69M | ﹤0.01% |
172,993
+6,986
| +4% | +$171K |
|
1340
ProShares Ultra Bloomberg Crude Oil
UCO
$443M
| $3.69M | ﹤0.01% |
+88,144
| New | +$3.9M |
|
|
GTM
1341
CALL
ZoomInfo Technologies
GTM
$861M
| $3.69M | ﹤0.01% |
110,900
+34,900
| +46% | +$1.54M |
|
1342
CALL
iShares S&P GSCI Commodity-Indexed Trust
GSG
$1.02B
| $3.68M | ﹤0.01% |
159,300
+35,100
| +28% | +$849K |
|
1343
CALL
Steel Dynamics
STLD
$35.6B
| $3.67M | ﹤0.01% |
55,500
-40,100
| -42% | -$3.21M |
|
1344
CALL
Gaming and Leisure Properties
GLPI
$12.8B
| $3.66M | ﹤0.01% |
79,800
+49,100
| +160% | +$2.24M |
|
1345
PUT
United Parks & Resorts
PRKS
$2.11B
| $3.66M | ﹤0.01% |
82,800
-16,500
| -17% | -$959K |
|
1346
PUT
Infosys
INFY
$45B
| $3.66M | ﹤0.01% |
197,600
+188,000
| +1,958% | +$3.74M |
|
|
LTHM
1347
CALL
DELISTED
Livent Corporation
LTHM
| $3.65M | ﹤0.01% |
161,000
+38,000
| +31% | +$978K |
|
1348
CALL
VeriSign
VRSN
$25.3B
| $3.65M | ﹤0.01% |
21,800
+5,300
| +32% | +$972K |
|
1349
McKesson
MCK
$98.5B
| $3.64M | ﹤0.01% |
11,173
+5,812
| +108% | +$1.86M |
|
1350
CALL
BioMarin Pharmaceuticals
BMRN
$11.5B
| $3.64M | ﹤0.01% |
43,900
+12,400
| +39% | +$987K |
|
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.