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 | |
|---|---|---|---|---|---|---|
|
BRFS
7276
DELISTED
BRF SA
BRFS
| $26K | ﹤0.01% |
10,523
-36,604
| -78% | -$108K |
|
7277
PUT
PC Connection
CNXN
$2.14B
| $26K | ﹤0.01% |
+600
| New | +$28.5K |
|
7278
PUT
Cheniere Energy
CQP
$31.7B
| $26K | ﹤0.01% |
600
-12,700
| -95% | -$668K |
|
|
DENN
7279
PUT
DELISTED
Denny's
DENN
| $26K | ﹤0.01% |
3,000
-9,600
| -76% | -$106K |
|
7280
Dole
DOLE
$1.34B
| $26K | ﹤0.01% |
+3,164
| New | +$34.8K |
|
7281
PUT
Essex Property Trust
ESS
$18.3B
| $26K | ﹤0.01% |
+100
| New | +$30.3K |
|
|
DMC
7282
PUT
Del Monte Corp
DMC
$1.41B
| $26K | ﹤0.01% |
900
-5,000
| -85% | -$127K |
|
7283
Franklin Wireless
FKWL
$27M
| $26K | ﹤0.01% |
8,508
+1,546
| +22% | +$5.43K |
|
7284
PUT
Flux Power
FLUX
$11.6M
| $26K | ﹤0.01% |
11,100
-6,700
| -38% | -$16.5K |
|
7285
CALL
Hamilton Lane
HLNE
$4.92B
| $26K | ﹤0.01% |
400
+100
| +33% | +$6.89K |
|
7286
CALL
Immunovant
IMVT
$7.9B
| $26K | ﹤0.01% |
6,900
-1,400
| -17% | -$6.05K |
|
7287
Innovative Solutions & Support
ISSC
$328M
| $26K | ﹤0.01% |
+3,748
| New | +$29.9K |
|
7288
CALL
KB Financial Group
KB
$41.2B
| $26K | ﹤0.01% |
700
| – | – |
|
7289
Liberty Latin America Class C
LILAK
$1.63B
| $26K | ﹤0.01% |
3,774
-2,112
| -36% | -$17.5K |
|
7290
PUT
Nature's Sunshine
NATR
$356M
| $26K | ﹤0.01% |
+2,500
| New | +$34.7K |
|
7291
CALL
NovaGold Resources
NG
$2.57B
| $26K | ﹤0.01% |
5,600
+400
| +8% | +$2.5K |
|
7292
CALL
OneWater Marine
ONEW
$203M
| $26K | ﹤0.01% |
+800
| New | +$26.7K |
|
7293
CALL
Pangaea Logistics
PANL
$495M
| $26K | ﹤0.01% |
5,200
+100
| +2% | +$547 |
|
7294
CALL
Procept Biorobotics
PRCT
$1.04B
| $26K | ﹤0.01% |
+800
| New | +$29.1K |
|
7295
Ring Energy
REI
$317M
| $26K | ﹤0.01% |
10,033
-72,158
| -88% | -$299K |
|
7296
Invesco S&P 500 Equal Weight Financials ETF
RSPF
$306M
| $26K | ﹤0.01% |
493
-670
| -58% | -$38.7K |
|
7297
PUT
SPX Corp
SPXC
$11.2B
| $26K | ﹤0.01% |
500
-1,000
| -67% | -$48.3K |
|
7298
PUT
Southwest Gas
SWX
$6.49B
| $26K | ﹤0.01% |
300
+100
| +50% | +$8.82K |
|
7299
CALL
Timken Company
TKR
$9.62B
| $26K | ﹤0.01% |
500
-3,200
| -86% | -$187K |
|
7300
Wheels Up
UP
$208M
| $26K | ﹤0.01% |
67
+59
| +738% | +$31.5K |
|
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.