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 | |
|---|---|---|---|---|---|---|
4301
Public Storage
PSA
$59.3B
| $256K | ﹤0.01% |
819
-1,629
| -67% | -$564K |
|
|
PTR
4302
CALL
DELISTED
PETROCHINA COMPANY LIMITED ADS (REP 100 H SHARES)
PTR
| $256K | ﹤0.01% |
5,500
-16,200
| -75% | -$817K |
|
4303
PUT
Angi Inc
ANGI
$229M
| $255K | ﹤0.01% |
5,570
-1,480
| -21% | -$72.6K |
|
4304
CALL
Energizer
ENR
$1.44B
| $255K | ﹤0.01% |
9,000
+2,400
| +36% | +$72.2K |
|
4305
PUT
Fortive
FTV
$17.7B
| $255K | ﹤0.01% |
6,237
-7,564
| -55% | -$335K |
|
|
AGIG
4306
PUT
Abundia Global Impact Group
AGIG
$41.4M
| $255K | ﹤0.01% |
5,570
+4,860
| +685% | +$211K |
|
4307
McEwen Inc
MUX
$1.06B
| $255K | ﹤0.01% |
58,160
+57,590
| +10,104% | +$358K |
|
|
GOOD
4308
CALL
Gladstone Commercial Corp
GOOD
$606M
| $254K | ﹤0.01% |
13,500
+900
| +7% | +$18.3K |
|
4309
CALL
Hycroft Mining Holding Corp
HYMC
$1.87B
| $254K | ﹤0.01% |
22,910
-9,960
| -30% | -$148K |
|
4310
PUT
PAR Technology
PAR
$695M
| $254K | ﹤0.01% |
6,800
+1,200
| +21% | +$43.1K |
|
4311
CALL
ArcBest
ARCB
$3.17B
| $253K | ﹤0.01% |
3,600
-1,500
| -29% | -$110K |
|
4312
PUT
Booz Allen Hamilton
BAH
$8.22B
| $253K | ﹤0.01% |
2,800
+1,300
| +87% | +$111K |
|
|
EFC
4313
PUT
Ellington Financial
EFC
$1.69B
| $253K | ﹤0.01% |
17,300
-300
| -2% | -$4.7K |
|
4314
CALL
Invesco CurrencyShares Swiss Franc Trust
FXF
$416M
| $253K | ﹤0.01% |
2,700
+1,700
| +170% | +$158K |
|
4315
Avita Medical
RCEL
$138M
| $253K | ﹤0.01% |
53,283
+49,686
| +1,381% | +$307K |
|
|
BBIG
4316
CALL
DELISTED
Vinco Ventures, Inc. Common Stock
BBIG
| $253K | ﹤0.01% |
70,985
-90,759
| -56% | -$3.05M |
|
4317
CALL
Aviat Networks
AVNW
$271M
| $252K | ﹤0.01% |
10,100
-4,300
| -30% | -$124K |
|
4318
PUT
Medifast
MED
$110M
| $252K | ﹤0.01% |
1,400
+500
| +56% | +$89.5K |
|
|
ROIC
4319
PUT
DELISTED
Retail Opportunity Investments Corp.
ROIC
| $252K | ﹤0.01% |
+16,000
| New | +$285K |
|
4320
PUT
Community Health Systems
CYH
$391M
| $251K | ﹤0.01% |
67,100
-2,400
| -3% | -$16.9K |
|
4321
CALL
KBR
KBR
$4.36B
| $251K | ﹤0.01% |
5,200
-18,000
| -78% | -$889K |
|
4322
CALL
Lear
LEA
$7.33B
| $251K | ﹤0.01% |
2,000
-2,700
| -57% | -$356K |
|
4323
PUT
La-Z-Boy
LZB
$1.61B
| $251K | ﹤0.01% |
10,600
+9,900
| +1,414% | +$255K |
|
4324
First Trust NASDAQ-100 Technology Index Fund
QTEC
$4.51B
| $251K | ﹤0.01% |
2,197
+1,897
| +632% | +$244K |
|
4325
PUT
ResMed
RMD
$30.3B
| $251K | ﹤0.01% |
1,200
-24,500
| -95% | -$5.22M |
|
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.