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 | |
|---|---|---|---|---|---|---|
|
CTRA
926
CALL
DELISTED
Coterra Energy
CTRA
| $7.54M | 0.01% |
292,200
+121,700
| +71% | +$3.69M |
|
927
CALL
Magna International
MGA
$17.9B
| $7.46M | 0.01% |
135,900
-73,400
| -35% | -$4.47M |
|
928
PUT
Capri Holdings
CPRI
$1.77B
| $7.43M | 0.01% |
181,300
+37,800
| +26% | +$1.76M |
|
929
CALL
Under Armour Class C
UA
$2.92B
| $7.43M | 0.01% |
905,400
+58,800
| +7% | +$661K |
|
|
BNY
930
PUT
Bank of New York Mellon
BNY
$108B
| $7.39M | 0.01% |
177,300
-33,300
| -16% | -$1.48M |
|
931
CALL
Trump Media & Technology Group
DJT
$2.37B
| $7.38M | 0.01% |
305,700
+51,000
| +20% | +$2.13M |
|
932
CALL
Lumentum
LITE
$59.4B
| $7.35M | 0.01% |
92,500
+60,100
| +185% | +$5.13M |
|
933
CALL
STMicroelectronics
STM
$46B
| $7.32M | 0.01% |
232,500
+6,300
| +3% | +$235K |
|
934
CALL
SolarEdge
SEDG
$2.59B
| $7.31M | 0.01% |
26,700
-16,300
| -38% | -$4.46M |
|
|
MPT
935
PUT
Medical Properties Trust
MPT
$2.89B
| $7.3M | 0.01% |
478,100
+365,700
| +325% | +$6.58M |
|
936
PUT
Synchrony
SYF
$23.7B
| $7.3M | 0.01% |
264,300
+54,300
| +26% | +$1.89M |
|
937
CALL
Canadian National Railway
CNI
$78.3B
| $7.29M | 0.01% |
64,800
+53,800
| +489% | +$6.29M |
|
938
PUT
Axos Financial
AX
$5.45B
| $7.24M | 0.01% |
202,000
+180,200
| +827% | +$6.93M |
|
939
CALL
Vodafone
VOD
$34.9B
| $7.23M | 0.01% |
463,900
+131,900
| +40% | +$2.11M |
|
940
PUT
Estee Lauder
EL
$29B
| $7.21M | 0.01% |
28,300
-18,300
| -39% | -$4.64M |
|
941
PUT
Yeti Holdings
YETI
$3.82B
| $7.19M | 0.01% |
166,100
-8,800
| -5% | -$427K |
|
|
CTXS
942
CALL
DELISTED
Citrix Systems Inc
CTXS
| $7.16M | 0.01% |
73,700
+22,100
| +43% | +$2.2M |
|
943
PUT
Emerson Electric
EMR
$82.9B
| $7.16M | 0.01% |
90,000
+22,900
| +34% | +$2.02M |
|
|
GAP
944
CALL
The Gap Inc
GAP
$6.84B
| $7.16M | 0.01% |
868,500
+291,500
| +51% | +$3.37M |
|
|
EXAS
945
CALL
DELISTED
Exact Sciences
EXAS
| $7.14M | 0.01% |
181,200
+36,600
| +25% | +$1.96M |
|
|
COUP
946
PUT
DELISTED
Coupa Software Incorporated
COUP
| $7.13M | 0.01% |
124,900
-90,700
| -42% | -$6.99M |
|
947
PUT
Zoetis
ZTS
$31.6B
| $7.1M | 0.01% |
41,300
-27,200
| -40% | -$4.7M |
|
948
CALL
Regeneron Pharmaceuticals
REGN
$68.8B
| $7.09M | 0.01% |
12,000
+6,000
| +100% | +$3.9M |
|
949
PUT
KB Home
KBH
$3.48B
| $7.09M | 0.01% |
249,000
+85,200
| +52% | +$2.72M |
|
950
Li Auto
LI
$12.6B
| $7.06M | 0.01% |
184,403
+184,218
| +99,577% | +$4.92M |
|
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.