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 | |
|---|---|---|---|---|---|---|
801
Goldman Sachs
GS
$317B
| $10.6M | 0.01% |
32,252
+32,236
| +201,475% | +$11.4M |
|
802
PUT
Stryker
SYK
$122B
| $10.6M | 0.01% |
39,800
-26,400
| -40% | -$6.83M |
|
803
CALL
Humana
HUM
$47.4B
| $10.6M | 0.01% |
24,400
+6,300
| +35% | +$2.64M |
|
804
PUT
British American Tobacco
BTI
$129B
| $10.6M | 0.01% |
251,700
+77,000
| +44% | +$3.28M |
|
|
GRMN
805
PUT
Garmin
GRMN
$46.3B
| $10.6M | 0.01% |
89,400
+31,500
| +54% | +$3.79M |
|
806
PUT
Canadian Pacific Kansas City
CP
$82B
| $10.6M | 0.01% |
128,200
+6,300
| +5% | +$474K |
|
807
PUT
Kimberly-Clark
KMB
$35.6B
| $10.6M | 0.01% |
85,700
+55,800
| +187% | +$7.36M |
|
808
CALL
Trip.com Group
TCOM
$27.1B
| $10.5M | 0.01% |
455,500
+203,000
| +80% | +$5.12M |
|
|
VMW
809
PUT
DELISTED
VMware, Inc
VMW
| $10.5M | 0.01% |
92,200
-16,200
| -15% | -$1.96M |
|
810
PUT
Yeti Holdings
YETI
$3.8B
| $10.5M | 0.01% |
174,900
+172,100
| +6,146% | +$11.1M |
|
811
PUT
Suncor Energy
SU
$78.4B
| $10.5M | 0.01% |
321,700
-12,900
| -4% | -$383K |
|
812
CALL
Teva Pharmaceuticals
TEVA
$36.3B
| $10.5M | 0.01% |
1,116,400
-776,000
| -41% | -$6.48M |
|
813
PUT
Whirlpool
WHR
$2.31B
| $10.5M | 0.01% |
60,600
+31,900
| +111% | +$6.47M |
|
|
BNY
814
PUT
Bank of New York Mellon
BNY
$109B
| $10.5M | 0.01% |
210,600
+106,600
| +103% | +$6.06M |
|
815
CALL
Amplify Junior Silver Miners ETF
SILJ
$3.28B
| $10.4M | 0.01% |
661,900
+127,200
| +24% | +$1.64M |
|
816
PUT
Dropbox
DBX
$6.63B
| $10.4M | 0.01% |
447,500
+58,900
| +15% | +$1.37M |
|
817
PUT
Hershey
HSY
$34.9B
| $10.4M | 0.01% |
47,900
+31,200
| +187% | +$6.34M |
|
818
PUT
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$26.9B
| $10.3M | 0.01% |
21,100
-20,200
| -49% | -$9.83M |
|
819
PUT
Academy Sports + Outdoors
ASO
$2.92B
| $10.3M | 0.01% |
262,400
+173,900
| +196% | +$6.38M |
|
|
UCD
820
CALL
DELISTED
PROSHARES ULTRA BLOOMBERG COMMODITY
UCD
| $10.3M | 0.01% |
227,100
-142,700
| -39% | -$6.47M |
|
821
PUT
Ventas
VTR
$47.6B
| $10.3M | 0.01% |
166,600
-8,300
| -5% | -$454K |
|
822
CALL
Nokia
NOK
$54.3B
| $10.3M | 0.01% |
1,883,600
+292,100
| +18% | +$1.62M |
|
823
CALL
BlackBerry
BB
$5.06B
| $10.3M | 0.01% |
1,376,300
-790,700
| -36% | -$5.96M |
|
824
PUT
Quest Diagnostics
DGX
$25.2B
| $10.3M | 0.01% |
75,000
+63,000
| +525% | +$8.78M |
|
825
PUT
Southern Company
SO
$109B
| $10.3M | 0.01% |
141,400
+40,600
| +40% | +$2.75M |
|
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.