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 | |
|---|---|---|---|---|---|---|
|
GLOP
4426
CALL
DELISTED
GASLOG PARTNERS LP
GLOP
| $324K | ﹤0.01% |
56,400
+23,100
| +69% | +$98.6K |
|
4427
CALL
Clean Harbors
CLH
$17.2B
| $323K | ﹤0.01% |
2,900
+1,100
| +61% | +$109K |
|
|
RENT
4428
PUT
Rent the Runway
RENT
$124M
| $323K | ﹤0.01% |
2,350
-325
| -12% | -$38.1K |
|
4429
SL Green Realty
SLG
$3.83B
| $323K | ﹤0.01% |
3,982
-4,020
| -50% | -$316K |
|
4430
PUT
Xponential Fitness
XPOF
$286M
| $323K | ﹤0.01% |
13,800
-8,900
| -39% | -$174K |
|
|
JOYY
4431
CALL
JOYY Inc
JOYY
$3.73B
| $323K | ﹤0.01% |
8,800
-14,500
| -62% | -$655K |
|
4432
PUT
Acco Brands
ACCO
$399M
| $322K | ﹤0.01% |
40,300
+25,100
| +165% | +$208K |
|
4433
Cheniere Energy
CQP
$30.5B
| $322K | ﹤0.01% |
+5,718
| New | +$284K |
|
4434
CALL
Ramaco Resources Class A
METC
$629M
| $322K | ﹤0.01% |
21,085
+12,506
| +146% | +$182K |
|
4435
Signet Jewelers
SIG
$3.84B
| $322K | ﹤0.01% |
4,431
-793
| -15% | -$63.3K |
|
4436
WEC Energy
WEC
$36.3B
| $322K | ﹤0.01% |
3,227
+1,703
| +112% | +$161K |
|
|
BWIN
4437
Baldwin Insurance Group
BWIN
$2.75B
| $322K | ﹤0.01% |
+12,014
| New | +$346K |
|
|
ARNC
4438
DELISTED
Arconic Corporation
ARNC
| $322K | ﹤0.01% |
+12,569
| New | +$374K |
|
4439
CALL
Ardelyx
ARDX
$1.24B
| $321K | ﹤0.01% |
300,400
+137,200
| +84% | +$123K |
|
4440
CALL
Compañía de Minas Buenaventura
BVN
$7.68B
| $321K | ﹤0.01% |
31,900
+30,400
| +2,027% | +$281K |
|
4441
CALL
Delek Logistics
DKL
$3.12B
| $321K | ﹤0.01% |
7,300
-16,200
| -69% | -$689K |
|
|
RDNW
4442
CALL
RideNow Group
RDNW
$256M
| $321K | ﹤0.01% |
9,400
+8,500
| +944% | +$286K |
|
|
TSE
4443
PUT
DELISTED
Trinseo
TSE
| $321K | ﹤0.01% |
6,700
+5,500
| +458% | +$289K |
|
4444
PUT
Verisk Analytics
VRSK
$27.9B
| $321K | ﹤0.01% |
1,500
| – | – |
|
|
LL
4445
PUT
DELISTED
LL Flooring Holdings, Inc.
LL
| $321K | ﹤0.01% |
22,900
-22,200
| -49% | -$339K |
|
4446
CALL
Aclaris Therapeutics
ACRS
$715M
| $320K | ﹤0.01% |
18,600
+15,700
| +541% | +$214K |
|
4447
Cenntro
CENN
$8.58M
| $320K | ﹤0.01% |
244
+238
| +3,967% | +$295K |
|
|
KYNB
4448
CALL
Kyntra Bio
KYNB
$27.4M
| $320K | ﹤0.01% |
1,068
+524
| +96% | +$183K |
|
|
FPI
4449
PUT
Farmland Partners
FPI
$415M
| $320K | ﹤0.01% |
23,300
+7,200
| +45% | +$87.3K |
|
4450
PUT
Theravance Biopharma
TBPH
$873M
| $320K | ﹤0.01% |
33,500
+33,300
| +16,650% | +$326K |
|
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.