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 | |
|---|---|---|---|---|---|---|
|
DISH
2826
DELISTED
DISH Network Corp.
DISH
| $831K | ﹤0.01% |
46,366
-51,692
| -53% | -$1.25M |
|
2827
PUT
Allison Transmission
ALSN
$10B
| $830K | ﹤0.01% |
21,600
-3,600
| -14% | -$138K |
|
2828
CALL
CryoPort
CYRX
$771M
| $830K | ﹤0.01% |
26,800
+2,700
| +11% | +$71.8K |
|
|
BINI
2829
CALL
DELISTED
Bollinger Innovations
BINI
| – | – |
0
| – | – |
|
|
CUTR
2830
DELISTED
Cutera, Inc.
CUTR
| $830K | ﹤0.01% |
22,155
-14,692
| -40% | -$776K |
|
2831
CALL
Allegiant Air
ALGT
$2.73B
| $825K | ﹤0.01% |
7,300
+6,200
| +564% | +$892K |
|
2832
CALL
GoPro
GPRO
$121M
| $825K | ﹤0.01% |
149,200
+49,500
| +50% | +$362K |
|
|
GOGL
2833
CALL
DELISTED
Golden Ocean Group
GOGL
| $824K | ﹤0.01% |
70,800
+37,700
| +114% | +$505K |
|
2834
CALL
Textron
TXT
$15.8B
| $824K | ﹤0.01% |
13,500
+5,800
| +75% | +$381K |
|
2835
CALL
United Therapeutics
UTHR
$26B
| $824K | ﹤0.01% |
3,500
-11,000
| -76% | -$2.24M |
|
2836
PUT
GitLab
GTLB
$5.73B
| $823K | ﹤0.01% |
15,500
-5,300
| -25% | -$247K |
|
2837
PUT
Pembina Pipeline
PBA
$29B
| $823K | ﹤0.01% |
23,300
+6,500
| +39% | +$250K |
|
|
CONX
2838
CALL
DELISTED
CONX Corp. Class A Common Stock
CONX
| $822K | ﹤0.01% |
83,200
-12,700
| -13% | -$125K |
|
|
ARI
2839
PUT
Apollo Commercial Real Estate
ARI
$883M
| $821K | ﹤0.01% |
78,700
+41,100
| +109% | +$504K |
|
2840
PUT
Children's Place
PLCE
$54.5M
| $821K | ﹤0.01% |
21,100
-11,000
| -34% | -$517K |
|
2841
PUT
Southern Copper
SCCO
$140B
| $821K | ﹤0.01% |
17,799
+2,805
| +19% | +$162K |
|
|
IPOF
2842
PUT
DELISTED
Social Capital Hedosophia Holdings Corp. VI
IPOF
| $821K | ﹤0.01% |
82,700
+2,700
| +3% | +$27.4K |
|
|
AY
2843
CALL
DELISTED
Atlantica Sustainable Infrastructure plc Ordinary Shares
AY
| $816K | ﹤0.01% |
25,300
+3,100
| +14% | +$101K |
|
|
EQRX
2844
CALL
DELISTED
EQRx, Inc. Common Stock
EQRX
| $816K | ﹤0.01% |
174,000
-95,300
| -35% | -$430K |
|
2845
PUT
DXC Technology
DXC
$1.77B
| $815K | ﹤0.01% |
26,900
-9,000
| -25% | -$279K |
|
|
VRAY
2846
DELISTED
ViewRay, Inc.
VRAY
| $815K | ﹤0.01% |
307,757
+247,478
| +411% | +$745K |
|
2847
CALL
BridgeBio Pharma
BBIO
$16.4B
| $814K | ﹤0.01% |
89,700
-35,500
| -28% | -$297K |
|
2848
Euronet Worldwide
EEFT
$3.14B
| $814K | ﹤0.01% |
8,095
+6,831
| +540% | +$809K |
|
|
APLS
2849
PUT
DELISTED
Apellis Pharmaceuticals
APLS
| $813K | ﹤0.01% |
18,000
-17,000
| -49% | -$775K |
|
|
OTLY
2850
CALL
Oatly Group
OTLY
$457M
| $812K | ﹤0.01% |
11,740
+895
| +8% | +$69.8K |
|
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.