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 | |
|---|---|---|---|---|---|---|
1076
PUT
Ovintiv
OVV
$17.5B
| $5.66M | 0.01% |
128,100
+103,900
| +429% | +$5.36M |
|
1077
PUT
Bunge Global
BG
$23.6B
| $5.66M | 0.01% |
62,400
+20,100
| +48% | +$2.23M |
|
1078
CALL
Alpha Metallurgical Resources
AMR
$1.82B
| $5.64M | 0.01% |
43,700
+12,300
| +39% | +$1.86M |
|
1079
PUT
PTC
PTC
$13.7B
| $5.63M | 0.01% |
52,900
-2,700
| -5% | -$291K |
|
1080
CALL
Weyerhaeuser
WY
$17.3B
| $5.59M | 0.01% |
168,700
+107,700
| +177% | +$4.11M |
|
1081
PUT
Post Holdings
POST
$4.12B
| $5.58M | 0.01% |
69,900
+67,300
| +2,588% | +$5.22M |
|
1082
CALL
Cadence Design Systems
CDNS
$90B
| $5.58M | 0.01% |
37,200
+4,200
| +13% | +$634K |
|
1083
CALL
Viatris
VTRS
$20.1B
| $5.57M | 0.01% |
532,300
+58,400
| +12% | +$640K |
|
1084
Blackrock
BLK
$164B
| $5.55M | 0.01% |
+9,120
| New | +$5.94M |
|
1085
CALL
Check Point Software Technologies
CHKP
$13.3B
| $5.55M | 0.01% |
45,600
+5,800
| +15% | +$745K |
|
1086
Delta Air Lines
DAL
$55.9B
| $5.55M | 0.01% |
191,476
-99,718
| -34% | -$3.8M |
|
1087
PUT
Aptiv
APTV
$12B
| $5.54M | 0.01% |
62,200
-28,800
| -32% | -$2.94M |
|
1088
PUT
Molina Healthcare
MOH
$10.3B
| $5.54M | 0.01% |
19,800
+18,800
| +1,880% | +$5.68M |
|
1089
PUT
Pan American Silver
PAAS
$18.6B
| $5.53M | 0.01% |
280,900
-68,600
| -20% | -$1.64M |
|
1090
PUT
Cenovus Energy
CVE
$54.6B
| $5.52M | 0.01% |
290,400
+195,800
| +207% | +$3.9M |
|
1091
Vanguard Russell 2000 Growth ETF
VTWG
$1.47B
| $5.52M | 0.01% |
36,800
+36,647
| +23,952% | +$5.94M |
|
1092
PUT
Canadian Imperial Bank of Commerce
CM
$107B
| $5.51M | 0.01% |
113,600
+83,000
| +271% | +$4.52M |
|
1093
PUT
Tower Semiconductor
TSEM
$26.4B
| $5.5M | 0.01% |
119,100
-5,500
| -4% | -$262K |
|
|
CPE
1094
CALL
DELISTED
Callon Petroleum Company
CPE
| $5.49M | 0.01% |
140,000
-75,900
| -35% | -$4.06M |
|
1095
CALL
Trip.com Group
TCOM
$27.5B
| $5.48M | 0.01% |
199,800
-255,700
| -56% | -$5.71M |
|
|
1096
CALL
Pan American Silver
PAAS
$18.6B
| $5.47M | 0.01% |
278,000
+31,700
| +13% | +$760K |
|
1097
CALL
Amplify Junior Silver Miners ETF
SILJ
$3.27B
| $5.47M | 0.01% |
531,000
-130,900
| -20% | -$1.56M |
|
1098
PUT
Olin
OLN
$2.64B
| $5.46M | 0.01% |
118,000
+4,400
| +4% | +$254K |
|
1099
SPDR Gold Trust
GLD
$131B
| $5.45M | 0.01% |
+32,368
| New | +$5.65M |
|
|
DISH
1100
CALL
DELISTED
DISH Network Corp.
DISH
| $5.45M | 0.01% |
303,900
+109,200
| +56% | +$2.65M |
|
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.