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 | |
|---|---|---|---|---|---|---|
|
EGLX
5651
CALL
DELISTED
Enthusiast Gaming Holdings Inc. Common Stock
EGLX
| $143K | ﹤0.01% |
59,500
-27,800
| -32% | -$74K |
|
|
DTEA
5652
PUT
DELISTED
DAVIDsTEA Inc. Common Stock
DTEA
| $143K | ﹤0.01% |
51,200
-5,300
| -9% | -$16.3K |
|
|
LUNA
5653
DELISTED
Luna Innovations Incorporated
LUNA
| $143K | ﹤0.01% |
18,677
+17,113
| +1,094% | +$123K |
|
5654
PUT
ARKO Corp
ARKO
$896M
| $142K | ﹤0.01% |
15,700
+9,400
| +149% | +$79.3K |
|
5655
PUT
Equitable Holdings
EQH
$13B
| $142K | ﹤0.01% |
4,600
-69,400
| -94% | -$2.29M |
|
5656
PUT
Portillo's
PTLO
$331M
| $142K | ﹤0.01% |
5,800
-4,600
| -44% | -$122K |
|
5657
CALL
Tilly's
TLYS
$116M
| $142K | ﹤0.01% |
15,200
+2,100
| +16% | +$25.9K |
|
5658
United States 12 Month Natural Gas Fund
UNL
$13.5M
| $142K | ﹤0.01% |
+7,913
| New | +$115K |
|
|
RMO
5659
DELISTED
Romeo Power, Inc.
RMO
| $142K | ﹤0.01% |
+95,691
| New | +$201K |
|
5660
CALL
Blue Bird Corp
BLBD
$2.35B
| $141K | ﹤0.01% |
7,500
-200
| -3% | -$3.64K |
|
5661
CEMIG Preferred Shares
CIG
$6.26B
| $141K | ﹤0.01% |
+74,107
| New | +$112K |
|
5662
CALL
Hudbay
HBM
$10.1B
| $141K | ﹤0.01% |
18,000
+7,800
| +76% | +$60.6K |
|
5663
PUT
Centrus Energy
LEU
$3.48B
| $141K | ﹤0.01% |
4,200
-1,800
| -30% | -$75.6K |
|
5664
PUT
National Health Investors
NHI
$3.72B
| $141K | ﹤0.01% |
2,400
-3,200
| -57% | -$182K |
|
5665
CALL
Rigel Pharmaceuticals
RIGL
$681M
| $141K | ﹤0.01% |
4,740
-530
| -10% | -$14.3K |
|
5666
CALL
CPS Technologies
CPSH
$75.5M
| $140K | ﹤0.01% |
26,900
+14,000
| +109% | +$47.9K |
|
5667
CALL
Wingstop
WING
$3.53B
| $140K | ﹤0.01% |
1,200
-300
| -20% | -$42.5K |
|
5668
PUT
Westlake Chemical Partners
WLKP
$763M
| $140K | ﹤0.01% |
5,200
+200
| +4% | +$5.32K |
|
5669
CALL
Avery Dennison
AVY
$13B
| $139K | ﹤0.01% |
800
+400
| +100% | +$74.4K |
|
|
CMPS
5670
CALL
Compass Pathways
CMPS
$1.53B
| $139K | ﹤0.01% |
10,800
-44,400
| -80% | -$662K |
|
|
5671
CALL
Equitable Holdings
EQH
$13B
| $139K | ﹤0.01% |
4,500
-3,400
| -43% | -$112K |
|
|
LGO
5672
CALL
Largo
LGO
$59.8M
| $139K | ﹤0.01% |
+11,000
| New | +$114K |
|
5673
Mistras Group
MG
$484M
| $139K | ﹤0.01% |
21,138
+15,535
| +277% | +$106K |
|
5674
Teekay Tankers
TNK
$2.75B
| $139K | ﹤0.01% |
10,069
-12,882
| -56% | -$156K |
|
|
SHCR
5675
CALL
DELISTED
Sharecare, Inc. Class A Common Stock
SHCR
| $139K | ﹤0.01% |
56,500
+39,000
| +223% | +$128K |
|
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.