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 | |
|---|---|---|---|---|---|---|
|
OPLN
2076
PUT
Openlane
OPLN
$4.17B
| $2.06M | ﹤0.01% |
113,900
+103,900
| +1,039% | +$1.67M |
|
2077
CALL
Ameren
AEE
$31.5B
| $2.05M | ﹤0.01% |
21,900
+19,200
| +711% | +$1.68M |
|
2078
Jacobs Solutions
J
$15.9B
| $2.05M | ﹤0.01% |
+18,015
| New | +$1.93M |
|
|
ISEE
2079
CALL
DELISTED
IVERIC bio, Inc. Common Stock
ISEE
| $2.05M | ﹤0.01% |
122,000
+117,200
| +2,442% | +$1.73M |
|
|
ABB
2080
CALL
DELISTED
ABB Ltd
ABB
| $2.05M | ﹤0.01% |
63,500
-4,000
| -6% | -$140K |
|
|
AAWW
2081
DELISTED
Atlas Air Worldwide Holdings, Inc.
AAWW
| $2.05M | ﹤0.01% |
23,761
-17,498
| -42% | -$1.44M |
|
2082
CALL
Equinox Gold
EQX
$7.32B
| $2.05M | ﹤0.01% |
248,000
+65,900
| +36% | +$464K |
|
2083
PUT
Coherent
COHR
$55.2B
| $2.04M | ﹤0.01% |
28,200
-22,700
| -45% | -$1.54M |
|
2084
CALL
Omega Healthcare
OHI
$15.4B
| $2.04M | ﹤0.01% |
65,600
-4,400
| -6% | -$130K |
|
2085
PUT
Bumble
BMBL
$367M
| $2.04M | ﹤0.01% |
70,500
+46,300
| +191% | +$1.28M |
|
2086
CALL
Universal Health Services
UHS
$9.43B
| $2.04M | ﹤0.01% |
14,100
+4,600
| +48% | +$636K |
|
2087
CALL
SiriusXM
SIRI
$10B
| $2.04M | ﹤0.01% |
30,840
+2,260
| +8% | +$142K |
|
2088
PUT
iShares S&P GSCI Commodity-Indexed Trust
GSG
$1.02B
| $2.04M | ﹤0.01% |
90,100
+70,600
| +362% | +$1.45M |
|
2089
Abercrombie & Fitch
ANF
$4.17B
| $2.04M | ﹤0.01% |
63,763
+963
| +2% | +$33.4K |
|
2090
PUT
Cadence Design Systems
CDNS
$90B
| $2.04M | ﹤0.01% |
12,400
-68,100
| -85% | -$10.4M |
|
2091
PUT
Quanta Services
PWR
$93.9B
| $2.04M | ﹤0.01% |
15,500
+4,700
| +44% | +$522K |
|
2092
CALL
Sylvamo
SLVM
$1.52B
| $2.03M | ﹤0.01% |
61,100
+58,300
| +2,082% | +$1.93M |
|
2093
PUT
TechnipFMC
FTI
$30.6B
| $2.03M | ﹤0.01% |
262,200
+173,900
| +197% | +$1.22M |
|
2094
Skyworks Solutions
SWKS
$9.06B
| $2.03M | ﹤0.01% |
15,247
-6,999
| -31% | -$982K |
|
2095
PUT
Cars.com
CARS
$641M
| $2.03M | ﹤0.01% |
140,700
+122,700
| +682% | +$1.89M |
|
2096
CALL
Coty
COTY
$2.33B
| $2.03M | ﹤0.01% |
225,900
-281,600
| -55% | -$2.51M |
|
2097
PUT
Brinker International
EAT
$8.02B
| $2.03M | ﹤0.01% |
53,200
-31,800
| -37% | -$1.19M |
|
2098
CALL
UDR
UDR
$12.9B
| $2.03M | ﹤0.01% |
35,400
+25,500
| +258% | +$1.45M |
|
2099
Alpha Metallurgical Resources
AMR
$1.82B
| $2.03M | ﹤0.01% |
15,369
+6,799
| +79% | +$624K |
|
|
XM
2100
PUT
DELISTED
Qualtrics International Inc. Class A Common Stock
XM
| $2.02M | ﹤0.01% |
70,900
+37,900
| +115% | +$1.09M |
|
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.