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 | |
|---|---|---|---|---|---|---|
1276
CALL
Fluor
FLR
$7.44B
| $4.81M | ﹤0.01% |
167,600
+49,900
| +42% | +$1.2M |
|
1277
Direxion Daily Technology Bull 3x ETF
TECL
$5.39B
| $4.81M | ﹤0.01% |
78,227
+16,076
| +26% | +$992K |
|
1278
PUT
Qorvo
QRVO
$7.65B
| $4.8M | ﹤0.01% |
38,700
-14,200
| -27% | -$1.92M |
|
1279
PUT
PACCAR
PCAR
$68.8B
| $4.8M | ﹤0.01% |
81,750
+79,650
| +3,793% | +$4.86M |
|
1280
Beyond Meat
BYND
$289M
| $4.79M | ﹤0.01% |
99,159
-3,298
| -3% | -$181K |
|
1281
PUT
Vail Resorts
MTN
$5.13B
| $4.79M | ﹤0.01% |
18,400
+1,900
| +12% | +$517K |
|
1282
CALL
VF Corp
VFC
$6.49B
| $4.79M | ﹤0.01% |
84,200
+50,400
| +149% | +$3.13M |
|
1283
PUT
Goodyear
GT
$2.02B
| $4.78M | ﹤0.01% |
334,700
+160,400
| +92% | +$2.85M |
|
|
SPWR
1284
PUT
DELISTED
SunPower Corporation Common Stock
SPWR
| $4.77M | ﹤0.01% |
222,100
-81,600
| -27% | -$1.5M |
|
1285
Atlassian
TEAM
$20.3B
| $4.76M | ﹤0.01% |
16,219
-5,734
| -26% | -$1.71M |
|
1286
CALL
Gen Digital
GEN
$15.1B
| $4.76M | ﹤0.01% |
179,500
+108,500
| +153% | +$2.98M |
|
1287
CALL
QuidelOrtho
QDEL
$1.13B
| $4.75M | ﹤0.01% |
42,200
+8,900
| +27% | +$949K |
|
1288
PUT
Sysco
SYY
$39.1B
| $4.74M | ﹤0.01% |
58,100
+3,400
| +6% | +$275K |
|
1289
AdvisorShares Pure US Cannabis ETF
MSOS
$866M
| $4.74M | ﹤0.01% |
227,191
+85,262
| +60% | +$1.86M |
|
1290
CALL
CoStar Group
CSGP
$11.1B
| $4.74M | ﹤0.01% |
71,100
+57,800
| +435% | +$3.84M |
|
1291
PUT
C3.ai
AI
$1.27B
| $4.73M | ﹤0.01% |
208,200
-11,500
| -5% | -$277K |
|
1292
PUT
TripAdvisor
TRIP
$1.57B
| $4.72M | ﹤0.01% |
174,000
-25,600
| -13% | -$682K |
|
1293
PUT
3D Systems Corp
DDD
$423M
| $4.71M | ﹤0.01% |
282,500
+22,900
| +9% | +$399K |
|
1294
PUT
Restaurant Brands International
QSR
$25.1B
| $4.71M | ﹤0.01% |
80,600
-42,000
| -34% | -$2.39M |
|
1295
Cardinal Health
CAH
$52.9B
| $4.7M | ﹤0.01% |
82,969
+58,482
| +239% | +$3.13M |
|
1296
PUT
Bunge Global
BG
$23.7B
| $4.69M | ﹤0.01% |
42,300
-98,700
| -70% | -$10.1M |
|
1297
CALL
Darling Ingredients
DAR
$10.1B
| $4.69M | ﹤0.01% |
58,300
+14,300
| +33% | +$996K |
|
1298
CALL
Invesco CurrencyShares Japanese Yen Trust
FXY
$423M
| $4.68M | ﹤0.01% |
60,800
+19,500
| +47% | +$1.57M |
|
1299
CALL
Nasdaq
NDAQ
$51.1B
| $4.67M | ﹤0.01% |
78,600
+18,300
| +30% | +$1.08M |
|
1300
CALL
AB InBev
BUD
$155B
| $4.67M | ﹤0.01% |
77,700
-42,800
| -36% | -$2.64M |
|
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.