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 | |
|---|---|---|---|---|---|---|
701
PUT
Archer Daniels Midland
ADM
$42.1B
| $13.3M | 0.01% |
147,500
+105,300
| +250% | +$8.2M |
|
702
PUT
Elevance Health
ELV
$84.4B
| $13.3M | 0.01% |
27,100
-6,000
| -18% | -$2.74M |
|
703
CALL
Emerson Electric
EMR
$78.2B
| $13.3M | 0.01% |
135,700
-12,100
| -8% | -$1.15M |
|
704
PUT
Bank of Montreal
BMO
$125B
| $13.2M | 0.01% |
112,200
+49,600
| +79% | +$5.75M |
|
705
Amazon
AMZN
$2.63T
| $13.2M | 0.01% |
+80,740
| New | +$12.5M |
|
706
PUT
Antero Resources
AR
$10.9B
| $13.1M | 0.01% |
428,500
-48,100
| -10% | -$1.08M |
|
707
CALL
Automatic Data Processing
ADP
$97.2B
| $13M | 0.01% |
57,300
-5,600
| -9% | -$1.2M |
|
|
CDK
708
CALL
DELISTED
CDK Global, Inc.
CDK
| $13M | 0.01% |
267,700
+219,400
| +454% | +$9.81M |
|
709
CALL
Futu Holdings
FUTU
$14.9B
| $13M | 0.01% |
399,200
-73,700
| -16% | -$2.95M |
|
710
CALL
Enbridge
ENB
$123B
| $13M | 0.01% |
281,500
-182,600
| -39% | -$7.82M |
|
711
PUT
Zoetis
ZTS
$31.1B
| $12.9M | 0.01% |
68,500
+24,800
| +57% | +$4.9M |
|
712
Boeing
BA
$164B
| $12.9M | 0.01% |
67,298
+59,148
| +726% | +$11.9M |
|
|
COUP
713
CALL
DELISTED
Coupa Software Incorporated
COUP
| $12.9M | 0.01% |
126,500
+39,800
| +46% | +$4.82M |
|
714
CALL
Ulta Beauty
ULTA
$20.8B
| $12.8M | 0.01% |
32,200
-12,600
| -28% | -$4.74M |
|
715
CALL
Macy's
M
$6.4B
| $12.8M | 0.01% |
523,700
-156,300
| -23% | -$4.01M |
|
|
CPE
716
CALL
DELISTED
Callon Petroleum Company
CPE
| $12.8M | 0.01% |
215,900
+74,400
| +53% | +$4.07M |
|
717
Moderna
MRNA
$23B
| $12.7M | 0.01% |
74,004
+72,754
| +5,820% | +$12.2M |
|
718
Snap
SNAP
$7.52B
| $12.7M | 0.01% |
354,150
+218,577
| +161% | +$7.91M |
|
719
PUT
Estee Lauder
EL
$29.9B
| $12.7M | 0.01% |
46,600
-73,300
| -61% | -$22.1M |
|
720
PUT
ArcelorMittal
MT
$50.1B
| $12.6M | 0.01% |
395,000
-56,600
| -13% | -$1.81M |
|
|
DENT
721
PUT
DELISTED
AdvisorShares Dent Tactical ETF
DENT
| $12.6M | 0.01% |
603,600
+330,200
| +121% | +$6.89M |
|
722
CALL
Kroger
KR
$35.3B
| $12.5M | 0.01% |
218,400
-188,400
| -46% | -$9.35M |
|
723
CALL
Dominion Energy
D
$62.5B
| $12.5M | 0.01% |
146,600
+119,800
| +447% | +$9.62M |
|
|
HES
724
CALL
DELISTED
Hess
HES
| $12.4M | 0.01% |
116,200
+27,800
| +31% | +$2.64M |
|
725
PUT
Seagate
STX
$205B
| $12.4M | 0.01% |
138,300
+48,200
| +53% | +$4.93M |
|
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.