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
|
+$179M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$90.1M |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$56M |
| 4 |
iShares Silver Trust
SLV
|
+$41.7M |
| 5 |
Advanced Micro Devices
AMD
|
+$39.8M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$42.8M |
| 2 |
Verizon
VZ
|
+$42.5M |
| 3 |
Occidental Petroleum
OXY
|
+$34.7M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Direxion Daily S&P 500 Bull 3x ETF
SPXL
|
+$32.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.67% |
| 2 | Consumer Discretionary | 0.37% |
| 3 | Industrials | 0.24% |
| 4 | Healthcare | 0.22% |
| 5 | Financials | 0.19% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
ORC
5176
CALL
Orchid Island Capital
ORC
$1.32B
| $196K | ﹤0.01% |
12,100
+2,160
| +22% | +$40.7K |
|
5177
Regency Centers
REG
$14.1B
| $196K | ﹤0.01% |
+2,753
| New | +$193K |
|
|
CNR
5178
PUT
DELISTED
Cornerstone Building Brands, Inc.
CNR
| $196K | ﹤0.01% |
8,100
+2,100
| +35% | +$41.7K |
|
5179
Axcelis
ACLS
$4.42B
| $195K | ﹤0.01% |
2,587
-8,982
| -78% | -$614K |
|
5180
PUT
Agios Pharmaceuticals
AGIO
$2B
| $195K | ﹤0.01% |
6,700
-2,900
| -30% | -$88.6K |
|
5181
PUT
Invesco CurrencyShares Canadian Dollar Trust
FXC
$73.6M
| $195K | ﹤0.01% |
2,500
-18,000
| -88% | -$1.39M |
|
5182
CALL
Laureate Education
LAUR
$5.15B
| $195K | ﹤0.01% |
16,500
+3,800
| +30% | +$46.1K |
|
5183
CALL
LGI Homes
LGIH
$1.37B
| $195K | ﹤0.01% |
2,000
-3,000
| -60% | -$370K |
|
|
VLDR
5184
PUT
DELISTED
Velodyne Lidar, Inc. Common Stock
VLDR
| $195K | ﹤0.01% |
76,200
-21,000
| -22% | -$71.8K |
|
|
CCMP
5185
DELISTED
CMC Materials, Inc. Common Stock
CCMP
| $195K | ﹤0.01% |
1,054
-487
| -32% | -$89.8K |
|
|
BRY
5186
PUT
DELISTED
Berry Corp
BRY
| $194K | ﹤0.01% |
18,800
+900
| +5% | +$8.54K |
|
|
DRD
5187
CALL
DRDGold
DRD
$2.06B
| $194K | ﹤0.01% |
20,800
-6,900
| -25% | -$61.3K |
|
5188
PUT
Element Solutions
ESI
$9.51B
| $194K | ﹤0.01% |
8,900
-9,600
| -52% | -$221K |
|
5189
PUT
Gold Fields
GFI
$35.4B
| $194K | ﹤0.01% |
12,600
-139,000
| -92% | -$1.79M |
|
5190
INmune Bio
INMB
$57.7M
| $194K | ﹤0.01% |
23,115
+20,805
| +901% | +$187K |
|
5191
CALL
NatWest
NWG
$76.9B
| $194K | ﹤0.01% |
31,850
-94,064
| -75% | -$635K |
|
5192
PUT
Cullen/Frost Bankers
CFR
$10.5B
| $193K | ﹤0.01% |
1,400
+100
| +8% | +$13.9K |
|
|
FYBR
5193
PUT
DELISTED
Frontier Communications
FYBR
| $193K | ﹤0.01% |
7,000
-1,100
| -14% | -$30.3K |
|
5194
InnovAge Holding
INNV
$1.45B
| $193K | ﹤0.01% |
30,212
+26,751
| +773% | +$135K |
|
5195
PUT
Karyopharm Therapeutics
KPTI
$45.1M
| $193K | ﹤0.01% |
1,753
-1,160
| -40% | -$145K |
|
|
LX
5196
LexinFintech Holdings
LX
$236M
| $193K | ﹤0.01% |
73,778
+4,642
| +7% | +$15.4K |
|
|
AVTA
5197
PUT
DELISTED
Avantax, Inc. Common Stock
AVTA
| $193K | ﹤0.01% |
9,900
-2,200
| -18% | -$39.9K |
|
|
PIPP
5198
PUT
DELISTED
Pine Island Acquisition Corp.
PIPP
| $193K | ﹤0.01% |
19,700
-3,000
| -13% | -$29.5K |
|
|
KEEL
5199
PUT
Keel Infrastructure Corp
KEEL
$2.04B
| $192K | ﹤0.01% |
51,200
-101,500
| -66% | -$393K |
|
5200
CALL
Essential Properties Realty Trust
EPRT
$6.71B
| $192K | ﹤0.01% |
7,600
-15,000
| -66% | -$386K |
|
Similar funds
Simplex Trading's Q1 2022 Portfolio in Review
As of Q1 2022, Simplex Trading held 12,038 positions worth $109B, up 10% from $99B the previous quarter. Its ten largest holdings account for 37% of the portfolio.
Simplex Trading deployed $17.5B of net new capital in Q1 2022, opening 1,602 new positions and adding to 4,440 existing holdings. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
By sector, the portfolio is most concentrated in Technology at 0.67% of assets, up from 0.61% a quarter earlier, followed by Consumer Discretionary and Industrials.
On the sell side, the largest reduction was Verizon, an estimated $42.5M trimmed.
- Simplex Trading's largest Q1 2022 buy was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
- Simplex Trading added most to Apple in Q1 2022, an estimated $179M increase.
- Simplex Trading's biggest Q1 2022 reduction was Verizon, cutting an estimated $42.5M.
- Simplex Trading fully exited State Street Financial Select Sector SPDR ETF in Q1 2022, selling an estimated $42.8M.
- Simplex Trading's ten largest holdings make up 37% of its $109B portfolio in Q1 2022.
- Simplex Trading opened 1,602 new positions and closed 1,638 in Q1 2022.
- Simplex Trading's portfolio value rose 10% quarter-over-quarter to $109B.
Based on Simplex Trading's 13F filing for Q1 2022, filed 2 May 2022.