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 | |
|---|---|---|---|---|---|---|
3326
PUT
GrowGeneration
GRWG
$90.1M
| $731K | ﹤0.01% |
79,400
+39,200
| +98% | +$353K |
|
3327
CALL
Gran Tierra Energy
GTE
$239M
| $731K | ﹤0.01% |
46,570
+31,550
| +210% | +$387K |
|
3328
CALL
Mercury Insurance
MCY
$5.98B
| $731K | ﹤0.01% |
13,300
-5,000
| -27% | -$269K |
|
|
OLPX
3329
PUT
DELISTED
Olaplex Holdings
OLPX
| $731K | ﹤0.01% |
46,800
+18,700
| +67% | +$357K |
|
|
PPL
3330
CALL
PPL Corp
PPL
$27.1B
| $731K | ﹤0.01% |
25,600
-32,400
| -56% | -$914K |
|
3331
CALL
W&T Offshore
WTI
$501M
| $730K | ﹤0.01% |
191,200
+159,600
| +505% | +$703K |
|
3332
CALL
Boot Barn
BOOT
$4.69B
| $729K | ﹤0.01% |
7,700
+1,000
| +15% | +$94.9K |
|
|
EXPR
3333
CALL
DELISTED
Express, Inc.
EXPR
| $729K | ﹤0.01% |
10,245
+1,395
| +16% | +$102K |
|
|
FPAC
3334
CALL
DELISTED
Far Peak Acquisition Corporation
FPAC
| $729K | ﹤0.01% |
73,400
-485,200
| -87% | -$4.82M |
|
3335
IMAX
IMAX
$2.48B
| $728K | ﹤0.01% |
38,497
-23,395
| -38% | -$438K |
|
|
SILV
3336
CALL
DELISTED
SilverCrest Metals Inc. Common Shares
SILV
| $728K | ﹤0.01% |
81,800
-52,700
| -39% | -$445K |
|
3337
CALL
CVR Energy
CVI
$3.41B
| $727K | ﹤0.01% |
28,500
+23,000
| +418% | +$478K |
|
|
DOO
3338
CALL
Bombardier Recreational Products
DOO
$4.51B
| $727K | ﹤0.01% |
+8,900
| New | +$676K |
|
3339
PUT
BRC Group Holdings
RILY
$267M
| $727K | ﹤0.01% |
10,400
+6,000
| +136% | +$406K |
|
3340
PUT
Madrigal Pharmaceuticals
MDGL
$12.8B
| $726K | ﹤0.01% |
7,400
+4,700
| +174% | +$396K |
|
3341
PUT
Bakkt Inc
BKKT
$332M
| $725K | ﹤0.01% |
4,708
-9,124
| -66% | -$1.3M |
|
3342
CALL
Blend Labs
BLND
$424M
| $725K | ﹤0.01% |
127,300
+113,800
| +843% | +$882K |
|
3343
NOV
NOV
$7.45B
| $725K | ﹤0.01% |
37,019
+3,609
| +11% | +$63.2K |
|
|
SAGE
3344
DELISTED
Sage Therapeutics
SAGE
| $725K | ﹤0.01% |
21,929
+16,146
| +279% | +$607K |
|
|
KNDI
3345
CALL
Kandi Technologies Group
KNDI
$65.3M
| $724K | ﹤0.01% |
226,300
+60,700
| +37% | +$193K |
|
3346
PUT
Talos Energy
TALO
$2.36B
| $724K | ﹤0.01% |
45,900
+36,700
| +399% | +$484K |
|
|
ETRN
3347
DELISTED
Equitrans Midstream Corporation Common Stock
ETRN
| $724K | ﹤0.01% |
+85,900
| New | +$708K |
|
3348
International Seaways
INSW
$4.43B
| $723K | ﹤0.01% |
+40,086
| New | +$650K |
|
3349
PUT
Ocugen
OCGN
$430M
| $723K | ﹤0.01% |
219,300
-111,900
| -34% | -$393K |
|
|
AMRS
3350
PUT
DELISTED
Amyris Inc.
AMRS
| $723K | ﹤0.01% |
166,000
-116,800
| -41% | -$524K |
|
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.