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 | |
|---|---|---|---|---|---|---|
|
GAN
7476
DELISTED
GAN Ltd
GAN
| $22K | ﹤0.01% |
7,586
-48,935
| -87% | -$181K |
|
7477
Hagerty
HGTY
$1.17B
| $22K | ﹤0.01% |
1,983
+495
| +33% | +$5.01K |
|
7478
Direxion Daily S&P 500 High Beta Bull 3X ETF
HIBL
$75.1M
| $22K | ﹤0.01% |
+915
| New | +$36.2K |
|
7479
Lyell Immunopharma
LYEL
$336M
| $22K | ﹤0.01% |
169
-27
| -14% | -$2.76K |
|
7480
Movado Group
MOV
$849M
| $22K | ﹤0.01% |
+720
| New | +$25.3K |
|
7481
PUT
Napco Security Technologies
NSSC
$1.3B
| $22K | ﹤0.01% |
1,100
+100
| +10% | +$1.88K |
|
7482
NatWest
NWG
$73.7B
| $22K | ﹤0.01% |
+3,898
| New | +$23.4K |
|
7483
PUT
Oceaneering
OII
$4.74B
| $22K | ﹤0.01% |
2,100
+400
| +24% | +$4.92K |
|
|
OTRK
7484
CALL
DELISTED
Ontrak
OTRK
| $22K | ﹤0.01% |
239
+82
| +52% | +$11.5K |
|
7485
Global X US Preferred ETF
PFFD
$2.15B
| $22K | ﹤0.01% |
+1,076
| New | +$23.3K |
|
7486
RCI Hospitality Holdings
RICK
$197M
| $22K | ﹤0.01% |
470
-5,104
| -92% | -$293K |
|
7487
CALL
Siebert Financial
SIEB
$65.5M
| $22K | ﹤0.01% |
14,500
+3,200
| +28% | +$5.83K |
|
7488
CALL
SLM Corp
SLM
$4.86B
| $22K | ﹤0.01% |
1,400
-200
| -13% | -$3.46K |
|
|
7489
PUT
SLM Corp
SLM
$4.86B
| $22K | ﹤0.01% |
1,400
+200
| +17% | +$3.46K |
|
7490
iShares MSCI Global Silver and Metals Miners ETF
SLVP
$804M
| $22K | ﹤0.01% |
2,229
+48
| +2% | +$584 |
|
7491
PUT
Standard Motor Products
SMP
$861M
| $22K | ﹤0.01% |
500
| – | – |
|
7492
CALL
SPS Commerce
SPSC
$2.42B
| $22K | ﹤0.01% |
200
-1,600
| -89% | -$181K |
|
7493
Shattuck Labs
STTK
$687M
| $22K | ﹤0.01% |
+5,508
| New | +$19.9K |
|
7494
Titan Machinery
TITN
$413M
| $22K | ﹤0.01% |
987
-16,965
| -95% | -$423K |
|
7495
PUT
ReposiTrak
TRAK
$157M
| $22K | ﹤0.01% |
5,000
-1,900
| -28% | -$9.41K |
|
7496
CALL
Vera Bradley
VRA
$99.2M
| $22K | ﹤0.01% |
5,200
+2,100
| +68% | +$12.8K |
|
|
XNET
7497
CALL
Xunlei
XNET
$360M
| $22K | ﹤0.01% |
14,000
-15,500
| -53% | -$22K |
|
7498
ReWalk Robotics
LFWD
$19.7M
| $22K | ﹤0.01% |
291
-4
| -1% | -$340 |
|
|
QNTM
7499
PUT
Quantum Biopharma Class B Subordinate Voting Shares
QNTM
$18.2M
| $22K | ﹤0.01% |
435
+29
| +7% | +$1.74K |
|
|
EVA
7500
PUT
DELISTED
Enviva Inc.
EVA
| $22K | ﹤0.01% |
400
-2,100
| -84% | -$158K |
|
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.