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 | |
|---|---|---|---|---|---|---|
1176
CALL
VanEck Energy Income ETF
EINC
$102M
| $5.49M | 0.01% |
76,800
-17,700
| -19% | -$1.05M |
|
1177
PUT
Agilent Technologies
A
$39.5B
| $5.48M | 0.01% |
41,400
+13,000
| +46% | +$1.79M |
|
1178
PUT
Natural Resource Partners
NRP
$1.29B
| $5.46M | 0.01% |
127,800
+35,200
| +38% | +$1.33M |
|
1179
CALL
KB Home
KBH
$3.41B
| $5.46M | 0.01% |
168,600
+77,100
| +84% | +$3.04M |
|
1180
CALL
LyondellBasell Industries
LYB
$19.9B
| $5.46M | 0.01% |
53,100
+30,500
| +135% | +$3.04M |
|
|
BRSL
1181
CALL
Brightstar Lottery PLC
BRSL
$1.9B
| $5.44M | 0.01% |
220,400
+27,300
| +14% | +$733K |
|
1182
Novartis
NVS
$297B
| $5.44M | 0.01% |
61,959
-55,900
| -47% | -$4.84M |
|
1183
CALL
Royal Bank of Canada
RY
$290B
| $5.44M | 0.01% |
49,300
-10,600
| -18% | -$1.19M |
|
1184
CALL
Cadence Design Systems
CDNS
$91.1B
| $5.43M | 0.01% |
33,000
-15,700
| -32% | -$2.41M |
|
1185
CALL
McCormick & Company Non-Voting
MKC
$13.5B
| $5.42M | 0.01% |
54,300
-32,800
| -38% | -$3.21M |
|
1186
CALL
Lemonade
LMND
$4.66B
| $5.41M | ﹤0.01% |
205,300
+39,000
| +23% | +$1.1M |
|
|
ARCH
1187
CALL
DELISTED
Arch Resources, Inc.
ARCH
| $5.4M | ﹤0.01% |
39,300
+34,700
| +754% | +$4.11M |
|
|
HOLX
1188
CALL
DELISTED
Hologic
HOLX
| $5.39M | ﹤0.01% |
70,200
-25,300
| -26% | -$1.82M |
|
1189
CALL
Monolithic Power Systems
MPWR
$68.6B
| $5.39M | ﹤0.01% |
11,100
-5,100
| -31% | -$2.22M |
|
1190
CALL
BCE
BCE
$19.8B
| $5.37M | ﹤0.01% |
96,800
+69,500
| +255% | +$3.69M |
|
1191
CALL
Cboe Global Markets
CBOE
$29.8B
| $5.37M | ﹤0.01% |
46,900
-54,300
| -54% | -$6.43M |
|
1192
CALL
Schwab US Broad Market ETF
SCHB
$42.7B
| $5.37M | ﹤0.01% |
250,500
+11,100
| +5% | +$195K |
|
1193
CALL
Transocean
RIG
$5.89B
| $5.34M | ﹤0.01% |
1,167,700
+698,200
| +149% | +$2.66M |
|
1194
CALL
HSBC
HSBC
$349B
| $5.33M | ﹤0.01% |
155,900
+1,800
| +1% | +$62.1K |
|
1195
State Street SPDR S&P Metals & Mining ETF
XME
$4.11B
| $5.32M | ﹤0.01% |
86,795
+42,084
| +94% | +$2.14M |
|
1196
Invesco CurrencyShares Euro Currency Trust
FXE
$331M
| $5.32M | ﹤0.01% |
51,847
+41,758
| +414% | +$4.35M |
|
1197
PUT
Baker Hughes
BKR
$55.6B
| $5.31M | ﹤0.01% |
145,900
-46,300
| -24% | -$1.41M |
|
1198
CALL
AES
AES
$10.6B
| $5.3M | ﹤0.01% |
206,200
+132,900
| +181% | +$3M |
|
1199
CALL
Elevance Health
ELV
$82.3B
| $5.3M | ﹤0.01% |
10,800
-5,100
| -32% | -$2.33M |
|
1200
JD.com
JD
$40.6B
| $5.3M | ﹤0.01% |
91,674
+31,271
| +52% | +$2.12M |
|
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.