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 | |
|---|---|---|---|---|---|---|
|
AZUL
3001
CALL
DELISTED
Azul
AZUL
| $717K | ﹤0.01% |
101,100
-76,000
| -43% | -$916K |
|
3002
CALL
Geron
GERN
$930M
| $716K | ﹤0.01% |
462,200
+234,300
| +103% | +$331K |
|
3003
CALL
Alto Ingredients
ALTO
$345M
| $715K | ﹤0.01% |
192,800
-84,000
| -30% | -$439K |
|
|
FRGI
3004
DELISTED
Fiesta Restaurant Group, Inc.
FRGI
| $715K | ﹤0.01% |
100,220
+49,105
| +96% | +$347K |
|
3005
Invesco S&P 500 High Beta ETF
SPHB
$965M
| $714K | ﹤0.01% |
12,183
+7,349
| +152% | +$489K |
|
3006
ProShares UltraPro Short Russell2000
SRTY
$78.2M
| $714K | ﹤0.01% |
2,473
+2,197
| +796% | +$547K |
|
3007
CALL
Vroom Inc
VRM
$36.8M
| $714K | ﹤0.01% |
7,143
+92
| +1% | +$11.5K |
|
3008
CALL
Corpay
CPAY
$25.1B
| $714K | ﹤0.01% |
3,400
-12,100
| -78% | -$2.88M |
|
3009
PUT
Ameriprise Financial
AMP
$48.3B
| $713K | ﹤0.01% |
3,000
-38,300
| -93% | -$10.3M |
|
3010
CALL
Old Republic International
ORI
$10.8B
| $713K | ﹤0.01% |
31,900
-1,900
| -6% | -$44K |
|
|
VMEO
3011
CALL
DELISTED
Vimeo
VMEO
| $713K | ﹤0.01% |
118,600
+49,800
| +72% | +$452K |
|
3012
UDR
UDR
$12.7B
| $712K | ﹤0.01% |
15,471
+5,397
| +54% | +$272K |
|
3013
PUT
Gen Digital
GEN
$16.6B
| $711K | ﹤0.01% |
32,400
-35,000
| -52% | -$861K |
|
3014
NETSCOUT
NTCT
$2.89B
| $711K | ﹤0.01% |
21,017
+18,421
| +710% | +$618K |
|
|
BLDP
3015
PUT
Ballard Power Systems
BLDP
$808M
| $710K | ﹤0.01% |
112,700
-99,200
| -47% | -$794K |
|
3016
CALL
Sundial Growers
SNDL
$318M
| $710K | ﹤0.01% |
217,940
-4,530
| -2% | -$20K |
|
3017
PUT
Legend Biotech
LEGN
$3.68B
| $709K | ﹤0.01% |
12,900
-12,200
| -49% | -$515K |
|
3018
CALL
Portillo's
PTLO
$339M
| $709K | ﹤0.01% |
43,400
+5,700
| +15% | +$110K |
|
3019
CALL
Popular Inc
BPOP
$11.1B
| $707K | ﹤0.01% |
9,200
+6,200
| +207% | +$493K |
|
3020
PUT
Annexon
ANNX
$814M
| $706K | ﹤0.01% |
+187,500
| New | +$573K |
|
3021
PUT
Comstock Resources
CRK
$3.64B
| $706K | ﹤0.01% |
58,500
-56,600
| -49% | -$936K |
|
3022
PUT
Republic Services
RSG
$66.6B
| $706K | ﹤0.01% |
5,400
-300
| -5% | -$39.4K |
|
3023
CALL
Western Alliance Bancorporation
WAL
$9.13B
| $705K | ﹤0.01% |
10,000
+8,000
| +400% | +$612K |
|
|
ME
3024
PUT
DELISTED
23andMe Holding Co
ME
| $705K | ﹤0.01% |
14,230
-2,345
| -14% | -$136K |
|
3025
CALL
HCI Group
HCI
$2.29B
| $704K | ﹤0.01% |
10,400
-10,300
| -50% | -$680K |
|
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.