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 | |
|---|---|---|---|---|---|---|
1351
CALL
AGCO
AGCO
$8.63B
| $4.42M | ﹤0.01% |
30,300
+3,100
| +11% | +$391K |
|
|
BNY
1352
Bank of New York Mellon
BNY
$108B
| $4.42M | ﹤0.01% |
+89,153
| New | +$5.07M |
|
1353
CALL
Wabtec
WAB
$50.5B
| $4.41M | ﹤0.01% |
45,900
-24,700
| -35% | -$2.29M |
|
1354
General Motors
GM
$75.4B
| $4.41M | ﹤0.01% |
100,818
-120,942
| -55% | -$6.04M |
|
|
NVO
1355
PUT
Novo Nordisk
NVO
$216B
| $4.41M | ﹤0.01% |
79,400
+56,400
| +245% | +$2.89M |
|
1356
CALL
TripAdvisor
TRIP
$1.59B
| $4.4M | ﹤0.01% |
162,200
-342,100
| -68% | -$9.12M |
|
1357
EPAM Systems
EPAM
$4.69B
| $4.39M | ﹤0.01% |
14,805
+14,107
| +2,021% | +$5.53M |
|
|
AUY
1358
DELISTED
Yamana Gold, Inc.
AUY
| $4.39M | ﹤0.01% |
786,434
+72,027
| +10% | +$340K |
|
1359
PUT
Playtika
PLTK
$1.39B
| $4.39M | ﹤0.01% |
227,000
+209,400
| +1,190% | +$3.73M |
|
1360
CALL
Travelers Companies
TRV
$80.7B
| $4.38M | ﹤0.01% |
24,000
+6,100
| +34% | +$1.05M |
|
1361
CALL
Marriott Vacations Worldwide
VAC
$3.26B
| $4.38M | ﹤0.01% |
27,800
+19,000
| +216% | +$3.06M |
|
|
DISCK
1362
PUT
DELISTED
Discovery, Inc. Series C Common Stock
DISCK
| $4.38M | ﹤0.01% |
1,312,600
+718,400
| +121% | +$19.5M |
|
1363
CALL
Dell
DELL
$284B
| $4.38M | ﹤0.01% |
97,700
-12,700
| -12% | -$709K |
|
1364
CALL
Plains All American Pipeline
PAA
$17.5B
| $4.38M | ﹤0.01% |
406,900
+220,400
| +118% | +$2.36M |
|
|
CMA
1365
PUT
DELISTED
Comerica
CMA
| $4.38M | ﹤0.01% |
48,400
-18,600
| -28% | -$1.75M |
|
|
ZEN
1366
DELISTED
ZENDESK INC
ZEN
| $4.37M | ﹤0.01% |
36,356
-35,040
| -49% | -$3.81M |
|
|
VNE
1367
DELISTED
Veoneer, Inc.
VNE
| $4.37M | ﹤0.01% |
118,298
+91,440
| +340% | +$3.25M |
|
1368
Kohl's
KSS
$2.1B
| $4.36M | ﹤0.01% |
72,161
-76,497
| -51% | -$4.32M |
|
1369
CALL
Ross Stores
ROST
$75.9B
| $4.36M | ﹤0.01% |
48,200
+200
| +0.4% | +$19.1K |
|
|
CLR
1370
PUT
DELISTED
CONTINENTAL RESOURCES INC.
CLR
| $4.35M | ﹤0.01% |
71,000
-5,900
| -8% | -$327K |
|
|
JNPR
1371
CALL
DELISTED
Juniper Networks
JNPR
| $4.35M | ﹤0.01% |
117,000
-169,100
| -59% | -$5.81M |
|
1372
CALL
IQVIA
IQV
$34.9B
| $4.35M | ﹤0.01% |
18,800
-1,200
| -6% | -$284K |
|
1373
CALL
Qorvo
QRVO
$7.66B
| $4.34M | ﹤0.01% |
35,000
+4,400
| +14% | +$595K |
|
|
AMED
1374
PUT
DELISTED
Amedisys
AMED
| $4.34M | ﹤0.01% |
25,200
+24,200
| +2,420% | +$3.62M |
|
1375
CALL
Becton Dickinson
BDX
$42.7B
| $4.33M | ﹤0.01% |
16,708
+1,333
| +9% | +$343K |
|
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.