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 | |
|---|---|---|---|---|---|---|
151
CALL
iShares MSCI Australia ETF
EWA
$1.34B
| $80.1M | 0.09% |
2,743,500
-428,200
| -14% | -$10.3M |
|
152
CALL
Moderna
MRNA
$23.7B
| $78.9M | 0.08% |
552,300
-241,800
| -30% | -$34.6M |
|
153
PUT
Starbucks
SBUX
$119B
| $78.5M | 0.08% |
1,028,200
-103,300
| -9% | -$7.93M |
|
154
PUT
General Motors
GM
$71.7B
| $78.4M | 0.08% |
2,470,000
+272,600
| +12% | +$10.2M |
|
|
KFYP
155
PUT
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $77.6M | 0.08% |
2,333,000
-601,500
| -20% | -$16M |
|
156
PUT
Proshares UltraShort Technology
REW
$3.27M
| $77.4M | 0.08% |
390,225
+178,387
| +84% | +$27.9M |
|
157
PUT
Blackstone
BX
$151B
| $76.5M | 0.08% |
838,900
+501,400
| +149% | +$54.1M |
|
158
PUT
BP
BP
$110B
| $76.1M | 0.08% |
2,684,600
+650,800
| +32% | +$19.9M |
|
159
PUT
Airbnb
ABNB
$86B
| $76.1M | 0.08% |
854,200
-128,300
| -13% | -$16.7M |
|
160
CALL
GameStop
GME
$9.78B
| $75M | 0.08% |
2,452,000
-2,973,200
| -55% | -$94.6M |
|
161
PUT
Procter & Gamble
PG
$345B
| $74.3M | 0.08% |
516,700
-172,200
| -25% | -$25.9M |
|
162
CALL
Take-Two Interactive
TTWO
$44.4B
| $74.1M | 0.08% |
604,600
+454,100
| +302% | +$57.8M |
|
163
CALL
Uber
UBER
$146B
| $73.3M | 0.08% |
3,582,300
+336,100
| +10% | +$8.92M |
|
164
PUT
CrowdStrike
CRWD
$195B
| $73M | 0.08% |
1,731,200
+328,000
| +23% | +$14.9M |
|
165
PUT
Target
TGT
$63.4B
| $72.8M | 0.08% |
515,700
+121,500
| +31% | +$23.3M |
|
|
166
CALL
Ford
F
$56.9B
| $72.8M | 0.08% |
6,539,000
+655,600
| +11% | +$8.98M |
|
167
PUT
Union Pacific
UNP
$176B
| $72.6M | 0.08% |
340,500
+8,100
| +2% | +$1.84M |
|
168
CALL
Lowe's Companies
LOW
$115B
| $72M | 0.08% |
412,100
+90,900
| +28% | +$17.5M |
|
169
CALL
McDonald's
MCD
$188B
| $71.9M | 0.08% |
291,100
-95,600
| -25% | -$23.5M |
|
170
CALL
TSMC
TSM
$2.2T
| $71.5M | 0.08% |
874,500
-748,500
| -46% | -$69.2M |
|
171
CALL
Kohl's
KSS
$1.99B
| $71.1M | 0.08% |
1,991,100
+1,862,500
| +1,448% | +$91.3M |
|
172
CALL
Deere & Co
DE
$158B
| $70.8M | 0.08% |
236,400
+43,000
| +22% | +$15.8M |
|
|
173
PUT
Take-Two Interactive
TTWO
$44.4B
| $70.8M | 0.08% |
577,600
+249,100
| +76% | +$31.7M |
|
174
iShares 20+ Year Treasury Bond ETF
TLT
$42.3B
| $70.4M | 0.07% |
612,846
-40,075
| -6% | -$4.72M |
|
175
Invesco QQQ Trust
QQQ
$471B
| $69.9M | 0.07% |
249,524
+155,328
| +165% | +$48.2M |
|
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.