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 | |
|---|---|---|---|---|---|---|
4601
Hershey
HSY
$37.3B
| $289K | ﹤0.01% |
+1,336
| New | +$271K |
|
|
ACCD
4602
CALL
DELISTED
Accolade Inc
ACCD
| $289K | ﹤0.01% |
16,500
+8,100
| +96% | +$149K |
|
4603
CALL
Asbury Automotive
ABG
$4.62B
| $288K | ﹤0.01% |
1,800
+1,500
| +500% | +$263K |
|
|
NSA
4604
CALL
DELISTED
National Storage Affiliates Trust
NSA
| $288K | ﹤0.01% |
4,600
+2,000
| +77% | +$123K |
|
|
SGEN
4605
CALL
DELISTED
Seagen Inc. Common Stock
SGEN
| $288K | ﹤0.01% |
2,000
-15,100
| -88% | -$2.04M |
|
4606
PUT
iShares Gold Trust
IAU
$62.8B
| $287K | ﹤0.01% |
7,800
-1,400
| -15% | -$50K |
|
4607
ResMed
RMD
$31.1B
| $287K | ﹤0.01% |
1,186
-6,608
| -85% | -$1.6M |
|
|
UMH
4608
CALL
UMH Properties
UMH
$1.34B
| $287K | ﹤0.01% |
11,700
+7,200
| +160% | +$173K |
|
4609
CALL
Artivion
AORT
$1.34B
| $286K | ﹤0.01% |
13,400
+9,400
| +235% | +$181K |
|
4610
PUT
SkinHealth Systems
SKIN
$83.4M
| $286K | ﹤0.01% |
17,000
-41,500
| -71% | -$685K |
|
4611
CALL
VirTra
VTSI
$33.1M
| $286K | ﹤0.01% |
46,900
+36,600
| +355% | +$226K |
|
|
BLU
4612
CALL
DELISTED
BELLUS Health Inc.
BLU
| $286K | ﹤0.01% |
41,600
-29,600
| -42% | -$191K |
|
4613
CALL
Agree Realty
ADC
$9.66B
| $285K | ﹤0.01% |
4,300
+3,300
| +330% | +$215K |
|
4614
GrafTech
EAF
$184M
| $285K | ﹤0.01% |
2,967
+1,850
| +166% | +$192K |
|
|
GOGL
4615
DELISTED
Golden Ocean Group
GOGL
| $285K | ﹤0.01% |
+23,036
| New | +$250K |
|
4616
PUT
Invesco Mortgage Capital
IVR
$759M
| $285K | ﹤0.01% |
12,520
-15,830
| -56% | -$390K |
|
4617
PUT
Starwood Property Trust
STWD
$6.12B
| $285K | ﹤0.01% |
11,800
-44,500
| -79% | -$1.08M |
|
4618
Direxion Daily S&P Oil & Gas Exp. & Prod. Bear 2X ETF
DRIP
$105M
| $284K | ﹤0.01% |
+1,180
| New | +$424K |
|
4619
CALL
Itron
ITRI
$4.48B
| $284K | ﹤0.01% |
5,400
| – | – |
|
|
SOHU
4620
CALL
Sohu.com
SOHU
$352M
| $284K | ﹤0.01% |
16,900
-6,900
| -29% | -$119K |
|
4621
Westwater Resources
WWR
$49.7M
| $284K | ﹤0.01% |
142,209
+137,918
| +3,214% | +$279K |
|
|
HZON
4622
CALL
DELISTED
Horizon Acquisition Corporation II
HZON
| $284K | ﹤0.01% |
28,700
-274,800
| -91% | -$2.7M |
|
4623
CALL
Dave Inc
DAVE
$4.82B
| $283K | ﹤0.01% |
+1,241
| New | +$299K |
|
4624
CALL
Holley
HLLY
$335M
| $283K | ﹤0.01% |
20,400
-13,100
| -39% | -$168K |
|
4625
CALL
Fusion Fuel Green
HTOO
$8.5M
| $283K | ﹤0.01% |
934
+60
| +7% | +$15.1K |
|
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 1,603 new positions and adding to 4,441 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 1,603 new positions and closed 1,637 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.