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 | |
|---|---|---|---|---|---|---|
1926
CALL
Microvast
MVST
$267M
| $2.38M | ﹤0.01% |
356,100
+261,100
| +275% | +$1.7M |
|
1927
PUT
Teucrium Soybean Fund
SOYB
$57.2M
| $2.38M | ﹤0.01% |
207,500
+191,800
| +1,222% | +$4.97M |
|
1928
PUT
Teradata
TDC
$2.68B
| $2.38M | ﹤0.01% |
48,400
+37,300
| +336% | +$1.71M |
|
|
CERN
1929
PUT
DELISTED
Cerner Corp
CERN
| $2.38M | ﹤0.01% |
25,500
-37,600
| -60% | -$3.48M |
|
1930
PUT
Pultegroup
PHM
$24.5B
| $2.38M | ﹤0.01% |
56,900
-12,900
| -18% | -$640K |
|
|
MPT
1931
PUT
Medical Properties Trust
MPT
$2.89B
| $2.38M | ﹤0.01% |
112,400
-28,400
| -20% | -$612K |
|
1932
CALL
Invesco CurrencyShares Canadian Dollar Trust
FXC
$69.2M
| $2.37M | ﹤0.01% |
30,300
+14,400
| +91% | +$1.11M |
|
1933
CALL
Harley-Davidson
HOG
$2.68B
| $2.37M | ﹤0.01% |
60,200
-2,000
| -3% | -$77.1K |
|
|
EGIO
1934
DELISTED
Edgio, Inc. Common Stock
EGIO
| $2.37M | ﹤0.01% |
11,341
+10,046
| +776% | +$1.67M |
|
1935
United States Natural Gas Fund
UNG
$470M
| $2.36M | ﹤0.01% |
29,947
-11,588
| -28% | -$731K |
|
1936
PUT
Fastly Inc
FSLY
$3.17B
| $2.36M | ﹤0.01% |
135,900
+78,900
| +138% | +$1.84M |
|
|
LICY
1937
PUT
DELISTED
Li-Cycle Holdings Corp.
LICY
| $2.36M | ﹤0.01% |
34,913
+23,925
| +218% | +$1.52M |
|
1938
CALL
Helmerich & Payne
HP
$3.53B
| $2.35M | ﹤0.01% |
54,900
+26,700
| +95% | +$920K |
|
1939
CALL
Infosys
INFY
$45B
| $2.35M | ﹤0.01% |
94,300
+14,300
| +18% | +$339K |
|
|
SWAV
1940
CALL
DELISTED
Shockwave Medical, Inc. Common Stock
SWAV
| $2.34M | ﹤0.01% |
11,300
+3,800
| +51% | +$626K |
|
1941
CALL
Keurig Dr Pepper
KDP
$40.4B
| $2.34M | ﹤0.01% |
61,800
+27,000
| +78% | +$1.02M |
|
1942
iShares Russell 1000 Value ETF
IWD
$82B
| $2.34M | ﹤0.01% |
14,081
+9,686
| +220% | +$1.59M |
|
1943
PUT
US Foods
USFD
$21.4B
| $2.34M | ﹤0.01% |
62,100
+51,000
| +459% | +$1.86M |
|
1944
CALL
Gevo
GEVO
$397M
| $2.33M | ﹤0.01% |
498,900
+271,400
| +119% | +$1.04M |
|
1945
CALL
Gogo Inc
GOGO
$515M
| $2.33M | ﹤0.01% |
122,500
-16,800
| -12% | -$246K |
|
1946
CALL
Denison Mines
DNN
$2.63B
| $2.33M | ﹤0.01% |
1,457,600
+252,200
| +21% | +$356K |
|
|
TRUE
1947
PUT
DELISTED
TrueCar
TRUE
| $2.33M | ﹤0.01% |
590,600
+589,800
| +73,725% | +$2.08M |
|
1948
MGM Resorts International
MGM
$11.7B
| $2.32M | ﹤0.01% |
55,366
-162,770
| -75% | -$7M |
|
|
SAFE
1949
PUT
Safehold
SAFE
$1.19B
| $2.32M | ﹤0.01% |
20,380
-1,869
| -8% | -$219K |
|
1950
CALL
SM Energy
SM
$7.96B
| $2.32M | ﹤0.01% |
59,500
+1,700
| +3% | +$61.3K |
|
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.