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 | |
|---|---|---|---|---|---|---|
3151
CALL
Aldeyra Therapeutics
ALDX
$91.7M
| $819K | ﹤0.01% |
184,400
-30,800
| -14% | -$123K |
|
3152
PUT
Chord Energy
CHRD
$7.79B
| $819K | ﹤0.01% |
5,600
+4,400
| +367% | +$609K |
|
3153
CALL
Pinnacle Financial Partners Inc
PNFP
$15.5B
| $819K | ﹤0.01% |
8,900
+2,000
| +29% | +$198K |
|
3154
CALL
Revvity
RVTY
$12.3B
| $819K | ﹤0.01% |
4,700
+1,100
| +31% | +$195K |
|
|
ITCI
3155
PUT
DELISTED
Intra-Cellular Therapies Inc.
ITCI
| $819K | ﹤0.01% |
13,400
-10,700
| -44% | -$556K |
|
3156
International Flavors & Fragrances
IFF
$19.4B
| $818K | ﹤0.01% |
6,229
-12,857
| -67% | -$1.71M |
|
3157
CALL
Veritone
VERI
$96.7M
| $818K | ﹤0.01% |
44,800
+44,000
| +5,500% | +$757K |
|
|
LSXMA
3158
DELISTED
Liberty Media Corporation Series A Liberty SiriusXM Common Stock
LSXMA
| $818K | ﹤0.01% |
24,381
+24,024
| +6,729% | +$845K |
|
3159
LivePerson
LPSN
$18.9M
| $817K | ﹤0.01% |
+2,233
| New | +$902K |
|
|
MITT
3160
PUT
TPG Mortgage Investment Trust
MITT
$230M
| $817K | ﹤0.01% |
87,900
-281,200
| -76% | -$2.71M |
|
|
VMEO
3161
CALL
DELISTED
Vimeo
VMEO
| $817K | ﹤0.01% |
68,800
+45,800
| +199% | +$610K |
|
3162
PBF Energy
PBF
$7.29B
| $816K | ﹤0.01% |
+33,515
| New | +$633K |
|
|
SAFE
3163
Safehold
SAFE
$1.19B
| $815K | ﹤0.01% |
7,158
-2,433
| -25% | -$285K |
|
3164
PUT
Coursera
COUR
$1.54B
| $813K | ﹤0.01% |
35,300
-5,900
| -14% | -$121K |
|
3165
CALL
ITT
ITT
$17.5B
| $812K | ﹤0.01% |
10,800
+10,400
| +2,600% | +$918K |
|
3166
Newmark Group
NMRK
$2.73B
| $812K | ﹤0.01% |
+51,024
| New | +$832K |
|
|
INFN
3167
CALL
DELISTED
Infinera Corporation Common Stock
INFN
| $812K | ﹤0.01% |
93,700
+53,600
| +134% | +$460K |
|
3168
CALL
Elanco Animal Health
ELAN
$12.4B
| $811K | ﹤0.01% |
31,100
-52,200
| -63% | -$1.39M |
|
3169
CALL
Ameresco
AMRC
$1.15B
| $810K | ﹤0.01% |
10,200
+7,700
| +308% | +$486K |
|
|
HIVE
3170
CALL
HIVE Digital Technologies
HIVE
$792M
| $810K | ﹤0.01% |
76,120
+30,060
| +65% | +$309K |
|
3171
Crown Holdings
CCK
$12.8B
| $809K | ﹤0.01% |
6,473
-6,896
| -52% | -$815K |
|
3172
PUT
Unum
UNM
$13.8B
| $809K | ﹤0.01% |
25,700
-3,000
| -10% | -$83.8K |
|
|
DEN
3173
CALL
DELISTED
Denbury Inc.
DEN
| $809K | ﹤0.01% |
10,300
+8,600
| +506% | +$635K |
|
3174
CALL
First Horizon
FHN
$12.1B
| $808K | ﹤0.01% |
34,400
-125,800
| -79% | -$2.51M |
|
3175
CALL
Warrior Met Coal
HCC
$4.23B
| $808K | ﹤0.01% |
21,800
+6,500
| +42% | +$208K |
|
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.