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
|
+$286M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$82.3M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$72.6M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$64.2M |
| 5 |
Intel
INTC
|
+$52.9M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$51.5M |
| 2 |
iShares Silver Trust
SLV
|
+$41.8M |
| 3 |
Ford
F
|
+$26.3M |
| 4 |
United Airlines
UAL
|
+$22.7M |
| 5 |
ExxonMobil
XOM
|
+$22.3M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.84% |
| 2 | Communication Services | 0.32% |
| 3 | Consumer Discretionary | 0.32% |
| 4 | Financials | 0.28% |
| 5 | Healthcare | 0.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
976
CALL
BlackLine
BL
$1.69B
| $6.77M | 0.01% |
101,700
+98,200
| +2,806% | +$6.72M |
|
977
PUT
Labcorp
LH
$24.3B
| $6.77M | 0.01% |
33,640
+8,963
| +36% | +$1.91M |
|
978
PUT
LyondellBasell Industries
LYB
$19.5B
| $6.77M | 0.01% |
77,400
+16,400
| +27% | +$1.71M |
|
|
SWAV
979
CALL
DELISTED
Shockwave Medical, Inc. Common Stock
SWAV
| $6.77M | 0.01% |
35,400
+24,100
| +213% | +$4.25M |
|
980
CALL
Old Dominion Freight Line
ODFL
$48.5B
| $6.76M | 0.01% |
52,800
+45,000
| +577% | +$5.9M |
|
981
CALL
Public Storage
PSA
$60.2B
| $6.75M | 0.01% |
21,600
+11,500
| +114% | +$3.98M |
|
982
CALL
RingCentral
RNG
$4.05B
| $6.73M | 0.01% |
128,800
+100,100
| +349% | +$7.6M |
|
|
FSR
983
CALL
DELISTED
Fisker Inc.
FSR
| $6.73M | 0.01% |
785,100
-68,300
| -8% | -$708K |
|
984
CALL
Five Below
FIVE
$11.2B
| $6.73M | 0.01% |
59,300
+10,600
| +22% | +$1.52M |
|
985
CALL
Cboe Global Markets
CBOE
$29.8B
| $6.72M | 0.01% |
59,400
+12,500
| +27% | +$1.4M |
|
986
GE Aerospace
GE
$367B
| $6.71M | 0.01% |
169,106
-107,143
| -39% | -$5.19M |
|
|
SMAR
987
CALL
DELISTED
Smartsheet Inc.
SMAR
| $6.69M | 0.01% |
212,800
+209,500
| +6,348% | +$8.68M |
|
988
GSK
GSK
$103B
| $6.67M | 0.01% |
122,609
+33,930
| +38% | +$1.87M |
|
989
CALL
Unilever
UL
$131B
| $6.66M | 0.01% |
129,244
+63,555
| +97% | +$3.24M |
|
990
PUT
Raymond James Financial
RJF
$32.5B
| $6.66M | 0.01% |
74,500
+74,400
| +74,400% | +$7.29M |
|
|
JWN
991
CALL
DELISTED
Nordstrom
JWN
| $6.66M | 0.01% |
315,100
+66,900
| +27% | +$1.71M |
|
992
PUT
Fair Isaac
FICO
$28.7B
| $6.65M | 0.01% |
16,600
+3,600
| +28% | +$1.42M |
|
|
FSR
993
PUT
DELISTED
Fisker Inc.
FSR
| $6.64M | 0.01% |
774,900
+381,100
| +97% | +$3.95M |
|
994
CALL
Waste Management
WM
$95.9B
| $6.62M | 0.01% |
43,300
-13,700
| -24% | -$2.15M |
|
995
CALL
Alcon
ALC
$33.1B
| $6.6M | 0.01% |
94,500
+53,600
| +131% | +$3.91M |
|
996
CALL
Align Technology
ALGN
$12B
| $6.58M | 0.01% |
27,800
-18,700
| -40% | -$5.75M |
|
997
CALL
Royalty Pharma
RPRX
$26.1B
| $6.58M | 0.01% |
156,500
+71,100
| +83% | +$2.91M |
|
998
PUT
PennyMac Financial
PFSI
$4.38B
| $6.57M | 0.01% |
150,200
+100,600
| +203% | +$4.75M |
|
|
GRMN
999
PUT
Garmin
GRMN
$46.9B
| $6.56M | 0.01% |
66,800
-22,600
| -25% | -$2.38M |
|
1000
Halliburton
HAL
$27.9B
| $6.56M | 0.01% |
+209,164
| New | +$7.8M |
|
Similar funds
Simplex Trading's Q2 2022 Portfolio in Review
As of Q2 2022, Simplex Trading held 11,810 positions worth $94.1B, down 14% from $109B the previous quarter. Its ten largest holdings account for 40% of the portfolio.
Simplex Trading deployed $11.3B of net new capital in Q2 2022, opening 1,405 new positions and adding to 4,027 existing holdings. Its largest new stake was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
By sector, the portfolio is most concentrated in Technology at 0.84% of assets, up from 0.67% a quarter earlier, followed by Communication Services and Consumer Discretionary.
On the sell side, the largest reduction was United Airlines, an estimated $22.7M trimmed.
- Simplex Trading's largest Q2 2022 buy was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
- Simplex Trading added most to Apple in Q2 2022, an estimated $286M increase.
- Simplex Trading's biggest Q2 2022 reduction was United Airlines, cutting an estimated $22.7M.
- Simplex Trading fully exited State Street SPDR S&P 500 ETF Trust in Q2 2022, selling an estimated $51.5M.
- Simplex Trading's ten largest holdings make up 40% of its $94.1B portfolio in Q2 2022.
- Simplex Trading opened 1,405 new positions and closed 1,792 in Q2 2022.
- Simplex Trading's portfolio value fell 14% quarter-over-quarter to $94.1B.
Based on Simplex Trading's 13F filing for Q2 2022, filed 3 Aug 2022.