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 | |
|---|---|---|---|---|---|---|
7376
PUT
AEye
LIDR
$52.8M
| $42K | ﹤0.01% |
260
-510
| -66% | -$58.5K |
|
|
MCW
7377
PUT
DELISTED
Mister Car Wash
MCW
| $42K | ﹤0.01% |
+2,900
| New | +$47.5K |
|
7378
CALL
MGP Ingredients
MGPI
$379M
| $42K | ﹤0.01% |
500
| – | – |
|
7379
CALL
Movado Group
MOV
$849M
| $42K | ﹤0.01% |
1,100
+700
| +175% | +$26.6K |
|
7380
National Healthcare
NHC
$3.53B
| $42K | ﹤0.01% |
602
+350
| +139% | +$23.5K |
|
7381
PUT
Qualys
QLYS
$5.1B
| $42K | ﹤0.01% |
300
-100
| -25% | -$12.8K |
|
7382
Sonic Automotive
SAH
$2.9B
| $42K | ﹤0.01% |
989
-661
| -40% | -$32.5K |
|
7383
Boston Beer
SAM
$1.91B
| $42K | ﹤0.01% |
110
+10
| +10% | +$4.17K |
|
|
UDMY
7384
PUT
DELISTED
Udemy
UDMY
| $42K | ﹤0.01% |
+3,400
| New | +$47K |
|
7385
United Parcel Service
UPS
$88.6B
| $42K | ﹤0.01% |
200
| – | – |
|
7386
VEON
VEON
$3.62B
| $42K | ﹤0.01% |
2,493
+2,348
| +1,619% | +$63.8K |
|
7387
PUT
Wrap Technologies
WRAP
$103M
| $42K | ﹤0.01% |
15,900
-27,800
| -64% | -$77.2K |
|
7388
PUT
Zumiez
ZUMZ
$332M
| $42K | ﹤0.01% |
1,100
+700
| +175% | +$30.4K |
|
|
PRSU
7389
CALL
Pursuit Attractions and Hospitality Inc
PRSU
$1.39B
| $42K | ﹤0.01% |
1,200
-300
| -20% | -$11K |
|
|
NM
7390
PUT
DELISTED
Navios Maritime Holdings Inc.
NM
| $42K | ﹤0.01% |
11,700
-9,100
| -44% | -$32.5K |
|
|
TA
7391
CALL
DELISTED
TravelCenters of America LLC
TA
| $42K | ﹤0.01% |
1,000
+200
| +25% | +$8.65K |
|
7392
iShares Asia 50 ETF
AIA
$4.6B
| $41K | ﹤0.01% |
600
-2,798
| -82% | -$206K |
|
7393
PUT
Ardagh Metal Packaging
AMBP
$2.83B
| $41K | ﹤0.01% |
5,100
-19,300
| -79% | -$167K |
|
7394
PUT
Astronics
ATRO
$3.43B
| $41K | ﹤0.01% |
3,840
+3,720
| +3,100% | +$40.5K |
|
7395
Axsome Therapeutics
AXSM
$11.2B
| $41K | ﹤0.01% |
1,000
-19,927
| -95% | -$618K |
|
7396
PUT
Brixmor Property Group
BRX
$9.67B
| $41K | ﹤0.01% |
1,600
+300
| +23% | +$7.58K |
|
7397
CALL
CrossAmerica Partners
CAPL
$847M
| $41K | ﹤0.01% |
1,900
+800
| +73% | +$16.7K |
|
7398
PUT
Copa Holdings
CPA
$5.76B
| $41K | ﹤0.01% |
500
-2,600
| -84% | -$214K |
|
7399
PUT
CuriosityStream
CURI
$145M
| $41K | ﹤0.01% |
14,200
-4,900
| -26% | -$19.7K |
|
|
KUST
7400
PUT
Kustom Entertainment Inc
KUST
$777K
| – | – |
0
| – | – |
|
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.