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 | |
|---|---|---|---|---|---|---|
2851
PUT
Bloomin' Brands
BLMN
$736M
| $811K | ﹤0.01% |
48,800
-22,300
| -31% | -$452K |
|
2852
CALL
Genuine Parts
GPC
$17.8B
| $811K | ﹤0.01% |
6,100
-3,900
| -39% | -$519K |
|
2853
CALL
Progyny
PGNY
$2.41B
| $810K | ﹤0.01% |
27,900
+10,800
| +63% | +$387K |
|
|
RDUS
2854
CALL
DELISTED
Radius Health, Inc.
RDUS
| $809K | ﹤0.01% |
78,100
+66,600
| +579% | +$495K |
|
2855
CALL
Sunoco
SUN
$14.3B
| $808K | ﹤0.01% |
21,700
+13,600
| +168% | +$553K |
|
|
SWN
2856
DELISTED
Southwestern Energy Company
SWN
| $807K | ﹤0.01% |
129,200
-43,158
| -25% | -$334K |
|
|
RADA
2857
PUT
DELISTED
Rada Electronic Industries Ltd
RADA
| $807K | ﹤0.01% |
87,400
-23,500
| -21% | -$303K |
|
|
ZEV
2858
CALL
DELISTED
Lightning eMotors, Inc.
ZEV
| $806K | ﹤0.01% |
14,560
-7,715
| -35% | -$613K |
|
|
TGR
2859
PUT
DELISTED
ISHARES TARGET DATE RETIREMENT INCOME ETF
TGR
| $806K | ﹤0.01% |
49,000
+32,800
| +202% | +$540K |
|
2860
Omnicom Group
OMC
$24.4B
| $804K | ﹤0.01% |
+12,653
| New | +$936K |
|
2861
Gerdau
GGB
$9.74B
| $803K | ﹤0.01% |
235,911
+50,106
| +27% | +$223K |
|
2862
CALL
Aramark
ARMK
$15.1B
| $802K | ﹤0.01% |
36,287
-5,125
| -12% | -$127K |
|
2863
DocGo
DCGO
$63.2M
| $801K | ﹤0.01% |
112,199
+99,586
| +790% | +$726K |
|
2864
O'Reilly Automotive
ORLY
$75.5B
| $801K | ﹤0.01% |
19,035
-615
| -3% | -$26.5K |
|
2865
MBIA
MBI
$279M
| $800K | ﹤0.01% |
64,804
-38,994
| -38% | -$513K |
|
|
SILV
2866
PUT
DELISTED
SilverCrest Metals Inc. Common Shares
SILV
| $799K | ﹤0.01% |
130,900
+82,400
| +170% | +$625K |
|
|
CYBR
2867
DELISTED
CyberArk
CYBR
| $798K | ﹤0.01% |
6,241
-3,528
| -36% | -$510K |
|
2868
CALL
Universal Corp
UVV
$1.36B
| $798K | ﹤0.01% |
13,200
-1,200
| -8% | -$71.6K |
|
2869
CALL
TechnipFMC
FTI
$29B
| $796K | ﹤0.01% |
118,400
+80,100
| +209% | +$611K |
|
2870
PUT
ZTO Express
ZTO
$18.2B
| $796K | ﹤0.01% |
29,000
+22,900
| +375% | +$587K |
|
|
GSP
2871
CALL
DELISTED
Barclays Bank PLC iPath Exchange Traded Notes due 2036 Linked to GSCI Total Return Index
GSP
| $796K | ﹤0.01% |
22,900
+11,800
| +106% | +$296K |
|
2872
PUT
Fastly Inc
FSLY
$3.27B
| $795K | ﹤0.01% |
68,500
-67,400
| -50% | -$951K |
|
2873
CALL
Alliance Resource Partners
ARLP
$3.35B
| $794K | ﹤0.01% |
43,600
-31,900
| -42% | -$578K |
|
|
CLVS
2874
CALL
DELISTED
Clovis Oncology, Inc.
CLVS
| $794K | ﹤0.01% |
441,500
+325,800
| +282% | +$481K |
|
|
2875
CALL
Gerdau
GGB
$9.74B
| $793K | ﹤0.01% |
233,100
-22,050
| -9% | -$98.1K |
|
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.