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 | |
|---|---|---|---|---|---|---|
|
IPOF
1151
CALL
DELISTED
Social Capital Hedosophia Holdings Corp. VI
IPOF
| $5.69M | 0.01% |
563,100
+125,600
| +29% | +$1.26M |
|
1152
PUT
VICI Properties
VICI
$29B
| $5.69M | 0.01% |
199,800
+161,800
| +426% | +$4.54M |
|
1153
CALL
Huntington Bancshares
HBAN
$35.2B
| $5.68M | 0.01% |
388,800
+295,100
| +315% | +$4.62M |
|
1154
CALL
PagSeguro Digital
PAGS
$2.64B
| $5.68M | 0.01% |
283,500
-25,300
| -8% | -$471K |
|
1155
CALL
FIGS
FIGS
$1.54B
| $5.67M | 0.01% |
263,600
+105,400
| +67% | +$2.1M |
|
1156
PUT
Asana
ASAN
$1.51B
| $5.63M | 0.01% |
140,900
+46,000
| +48% | +$2.39M |
|
1157
CALL
Chegg
CHGG
$109M
| $5.63M | 0.01% |
155,200
-341,300
| -69% | -$10.3M |
|
1158
CALL
ZipRecruiter
ZIP
$315M
| $5.62M | 0.01% |
244,700
+208,000
| +567% | +$4.51M |
|
1159
Southwest Airlines
LUV
$21.9B
| $5.62M | 0.01% |
122,729
+105,849
| +627% | +$4.65M |
|
1160
CALL
Norfolk Southern
NSC
$78.3B
| $5.62M | 0.01% |
19,700
+5,000
| +34% | +$1.38M |
|
1161
CALL
Restaurant Brands International
QSR
$25.1B
| $5.61M | 0.01% |
96,000
-39,900
| -29% | -$2.27M |
|
1162
PUT
Edwards Lifesciences
EW
$48.3B
| $5.6M | 0.01% |
47,600
-2,800
| -6% | -$314K |
|
1163
PUT
Eaton
ETN
$161B
| $5.6M | 0.01% |
36,900
+14,400
| +64% | +$2.25M |
|
1164
PUT
Labcorp
LH
$23.9B
| $5.59M | 0.01% |
24,677
+15,947
| +183% | +$3.75M |
|
1165
CALL
Snap-on
SNA
$20.5B
| $5.59M | 0.01% |
27,200
-1,500
| -5% | -$316K |
|
1166
CALL
Ares Capital
ARCC
$13.4B
| $5.57M | 0.01% |
266,000
+225,700
| +560% | +$4.81M |
|
1167
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$251M
| $5.57M | 0.01% |
133,120
+14,224
| +12% | +$444K |
|
1168
Northrop Grumman
NOC
$75.8B
| $5.56M | 0.01% |
+12,438
| New | +$5.13M |
|
1169
PUT
Lear
LEA
$7.14B
| $5.56M | 0.01% |
39,000
+35,100
| +900% | +$5.7M |
|
1170
CALL
Starwood Property Trust
STWD
$6.05B
| $5.55M | 0.01% |
229,500
+63,800
| +39% | +$1.54M |
|
1171
PUT
United Microelectronic
UMC
$52.4B
| $5.53M | 0.01% |
606,200
+128,700
| +27% | +$1.28M |
|
1172
CALL
Vodafone
VOD
$35.1B
| $5.52M | 0.01% |
332,000
+87,000
| +36% | +$1.48M |
|
1173
CALL
Ternium
TX
$9.25B
| $5.5M | 0.01% |
120,600
-49,800
| -29% | -$2.12M |
|
1174
PUT
DuPont de Nemours
DD
$18.6B
| $5.5M | 0.01% |
59,591
-13,384
| -18% | -$1.31M |
|
1175
CALL
Check Point Software Technologies
CHKP
$12.9B
| $5.5M | 0.01% |
39,800
+33,400
| +522% | +$4.36M |
|
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.