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 | |
|---|---|---|---|---|---|---|
|
CWEN.A
4926
DELISTED
Clearway Energy Class A
CWEN.A
| $233K | ﹤0.01% |
7,010
-7,236
| -51% | -$226K |
|
4927
PUT
Vera Bradley
VRA
$98.7M
| $233K | ﹤0.01% |
30,500
+1,000
| +3% | +$7.91K |
|
|
NVEI
4928
PUT
DELISTED
Nuvei Corporation Subordinate Voting Shares
NVEI
| $233K | ﹤0.01% |
3,100
-3,600
| -54% | -$220K |
|
|
CLVS
4929
CALL
DELISTED
Clovis Oncology, Inc.
CLVS
| $233K | ﹤0.01% |
115,700
+73,300
| +173% | +$144K |
|
|
ZY
4930
DELISTED
Zymergen Inc. Common Stock
ZY
| $233K | ﹤0.01% |
80,751
+76,764
| +1,925% | +$326K |
|
4931
CALL
Astec Industries
ASTE
$1.17B
| $232K | ﹤0.01% |
5,400
+5,300
| +5,300% | +$294K |
|
4932
PUT
CDW
CDW
$18.9B
| $232K | ﹤0.01% |
1,300
+900
| +225% | +$165K |
|
4933
CALL
DocGo
DCGO
$64.2M
| $232K | ﹤0.01% |
+25,100
| New | +$189K |
|
4934
CALL
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$4.81B
| $232K | ﹤0.01% |
4,900
+1,000
| +26% | +$44.7K |
|
4935
CALL
Lamar Advertising Co
LAMR
$16.7B
| $232K | ﹤0.01% |
2,000
| – | – |
|
4936
PUT
NewtekOne
NEWT
$426M
| $232K | ﹤0.01% |
8,700
+2,100
| +32% | +$56.6K |
|
4937
CALL
SandRidge Energy
SD
$503M
| $232K | ﹤0.01% |
14,500
-4,900
| -25% | -$63.2K |
|
4938
PUT
Empire State Realty Trust
ESRT
$1B
| $231K | ﹤0.01% |
23,600
-85,300
| -78% | -$803K |
|
4939
H&R Block
HRB
$5.98B
| $231K | ﹤0.01% |
8,892
-60,280
| -87% | -$1.46M |
|
4940
Paysafe
PSFE
$443M
| $231K | ﹤0.01% |
5,683
-11,862
| -68% | -$490K |
|
4941
Ryanair
RYAAY
$30B
| $231K | ﹤0.01% |
+6,643
| New | +$273K |
|
4942
W.P. Carey
WPC
$17B
| $231K | ﹤0.01% |
2,928
-16,820
| -85% | -$1.29M |
|
|
NS
4943
DELISTED
NuStar Energy L.P.
NS
| $231K | ﹤0.01% |
+16,069
| New | +$260K |
|
4944
CALL
Kodiak Sciences
KOD
$2.5B
| $230K | ﹤0.01% |
29,900
+17,800
| +147% | +$695K |
|
4945
monday.com
MNDY
$3.82B
| $230K | ﹤0.01% |
+1,459
| New | +$274K |
|
4946
NMI Holdings
NMIH
$3.37B
| $230K | ﹤0.01% |
11,161
+5,327
| +91% | +$124K |
|
4947
CALL
SunCoke Energy
SXC
$794M
| $230K | ﹤0.01% |
25,900
-8,400
| -24% | -$66.1K |
|
4948
Vanguard Extended Market ETF
VXF
$30B
| $230K | ﹤0.01% |
+1,391
| New | +$229K |
|
|
GPMT
4949
PUT
Granite Point Mortgage Trust
GPMT
$63.7M
| $229K | ﹤0.01% |
20,600
-113,000
| -85% | -$1.29M |
|
4950
PUT
Globalstar
GSAT
$10.1B
| $229K | ﹤0.01% |
10,420
+4,867
| +88% | +$82.8K |
|
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.