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 | |
|---|---|---|---|---|---|---|
876
CALL
Teucrium Soybean Fund
SOYB
$56.7M
| $9.25M | 0.01% |
630,200
+487,000
| +340% | +$12.6M |
|
877
CALL
American International
AIG
$41.4B
| $9.25M | 0.01% |
147,300
+40,300
| +38% | +$2.42M |
|
878
PUT
Domino's
DPZ
$10.7B
| $9.24M | 0.01% |
22,700
-114,800
| -83% | -$50.1M |
|
|
JWN
879
PUT
DELISTED
Nordstrom
JWN
| $9.22M | 0.01% |
340,300
+86,800
| +34% | +$2.03M |
|
880
PUT
Live Nation Entertainment
LYV
$41B
| $9.22M | 0.01% |
78,400
-62,200
| -44% | -$7.1M |
|
881
PUT
Intercontinental Exchange
ICE
$81B
| $9.2M | 0.01% |
69,600
-56,000
| -45% | -$7.23M |
|
|
NKLA
882
PUT
DELISTED
Nikola Corporation Common Stock
NKLA
| $9.15M | 0.01% |
28,483
+2,446
| +9% | +$624K |
|
883
Charter Communications
CHTR
$15.6B
| $9.14M | 0.01% |
+16,748
| New | +$9.83M |
|
884
CALL
Vanguard Consumer Discretionary ETF
VCR
$5.81B
| $9.09M | 0.01% |
37,700
+24,700
| +190% | +$7.52M |
|
885
CALL
Waste Management
WM
$95.3B
| $9.03M | 0.01% |
57,000
-5,000
| -8% | -$758K |
|
886
CALL
Digital Turbine
APPS
$971M
| $9M | 0.01% |
205,400
+19,300
| +10% | +$871K |
|
887
CALL
Wolfspeed
WOLF
$1.35B
| $8.99M | 0.01% |
79,000
+1,500
| +2% | +$151K |
|
|
P
888
CALL
Everpure Inc
P
$25B
| $8.95M | 0.01% |
253,400
+148,500
| +142% | +$4.32M |
|
889
PUT
Sunrun
RUN
$2.48B
| $8.91M | 0.01% |
293,300
-199,000
| -40% | -$5.55M |
|
890
DraftKings
DKNG
$11.3B
| $8.91M | 0.01% |
457,448
+457,268
| +254,038% | +$9.71M |
|
891
PUT
Crown Castle
CCI
$32.5B
| $8.9M | 0.01% |
48,200
-36,000
| -43% | -$6.41M |
|
892
CALL
Ericsson
ERIC
$30.6B
| $8.89M | 0.01% |
972,500
+260,600
| +37% | +$2.71M |
|
893
CALL
Arista Networks
ANET
$222B
| $8.87M | 0.01% |
255,200
-71,200
| -22% | -$2.25M |
|
|
K
894
CALL
DELISTED
Kellanova
K
| $8.85M | 0.01% |
146,225
-24,708
| -14% | -$1.49M |
|
895
CALL
Fair Isaac
FICO
$28B
| $8.82M | 0.01% |
18,900
+9,700
| +105% | +$4.58M |
|
896
PUT
D.R. Horton
DHI
$39.9B
| $8.81M | 0.01% |
118,300
-95,700
| -45% | -$8.3M |
|
897
VanEck Oil Services ETF
OIH
$2.01B
| $8.81M | 0.01% |
31,167
-17,719
| -36% | -$4.35M |
|
898
PUT
KKR & Co
KKR
$86.2B
| $8.79M | 0.01% |
150,300
-23,100
| -13% | -$1.45M |
|
899
CALL
Ferrari
RACE
$63.2B
| $8.77M | 0.01% |
40,200
-800
| -2% | -$179K |
|
900
PUT
Deckers Outdoor
DECK
$13.4B
| $8.76M | 0.01% |
192,000
+190,200
| +10,567% | +$9.44M |
|
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.