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 | |
|---|---|---|---|---|---|---|
6276
CALL
CorVel
CRVL
$3.06B
| $58K | ﹤0.01% |
1,200
| – | – |
|
|
FINV
6277
PUT
FinVolution Group
FINV
$1.15B
| $58K | ﹤0.01% |
12,400
-5,200
| -30% | -$21K |
|
6278
Full House Resorts
FLL
$80.1M
| $58K | ﹤0.01% |
+9,650
| New | +$74.4K |
|
6279
Global Ship Lease
GSL
$1.6B
| $58K | ﹤0.01% |
+3,517
| New | +$77.5K |
|
6280
GXO Logistics
GXO
$5.77B
| $58K | ﹤0.01% |
1,347
-228
| -14% | -$12.6K |
|
|
ILPT
6281
Industrial Logistics Properties Trust
ILPT
$575M
| $58K | ﹤0.01% |
4,149
+1,633
| +65% | +$26.8K |
|
6282
NovaGold Resources
NG
$2.56B
| $58K | ﹤0.01% |
12,189
-38,590
| -76% | -$241K |
|
6283
PG&E
PCG
$38.3B
| $58K | ﹤0.01% |
+5,894
| New | +$69.3K |
|
6284
PUT
Perella Weinberg Partners
PWP
$1.29B
| $58K | ﹤0.01% |
10,000
-8,500
| -46% | -$61.5K |
|
6285
CALL
RadNet
RDNT
$5.02B
| $58K | ﹤0.01% |
3,400
-3,000
| -47% | -$58.4K |
|
6286
PUT
Rigetti Computing
RGTI
$4.97B
| $58K | ﹤0.01% |
16,000
+2,900
| +22% | +$18.4K |
|
6287
CALL
Standard Motor Products
SMP
$851M
| $58K | ﹤0.01% |
1,300
+1,000
| +333% | +$41.5K |
|
6288
Simpson Manufacturing
SSD
$7.72B
| $58K | ﹤0.01% |
584
+6
| +1% | +$623 |
|
6289
Telephone and Data Systems
TDS
$3.82B
| $58K | ﹤0.01% |
3,683
+2,339
| +174% | +$41.8K |
|
6290
First Financial Corp
THFF
$958M
| $58K | ﹤0.01% |
1,313
-415
| -24% | -$18.2K |
|
6291
PUT
Marriott Vacations Worldwide
VAC
$3.35B
| $58K | ﹤0.01% |
500
-1,400
| -74% | -$197K |
|
6292
XPeng
XPEV
$12.4B
| $58K | ﹤0.01% |
1,850
-164,585
| -99% | -$4.23M |
|
|
QVCGA
6293
PUT
DELISTED
QVC Group Inc Series A
QVCGA
| $58K | ﹤0.01% |
408
-16
| -4% | -$3.11K |
|
|
AQUA
6294
CALL
DELISTED
Evoqua Water Technologies Corp. Common Stock
AQUA
| $58K | ﹤0.01% |
1,800
-400
| -18% | -$15.2K |
|
|
CLR
6295
DELISTED
CONTINENTAL RESOURCES INC.
CLR
| $58K | ﹤0.01% |
+900
| New | +$57.1K |
|
6296
PUT
Arqit Quantum
ARQQ
$298M
| $57K | ﹤0.01% |
364
-716
| -66% | -$148K |
|
6297
Atara Biotherapeutics
ATRA
$75.5M
| $57K | ﹤0.01% |
293
-739
| -72% | -$121K |
|
6298
PUT
Bit Digital
BTBT
$463M
| $57K | ﹤0.01% |
43,800
-90,300
| -67% | -$179K |
|
6299
Capricor Therapeutics
CAPR
$223M
| $57K | ﹤0.01% |
16,601
+9,080
| +121% | +$32.2K |
|
6300
PUT
Churchill Downs
CHDN
$5.88B
| $57K | ﹤0.01% |
600
+400
| +200% | +$39.8K |
|
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.