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 | |
|---|---|---|---|---|---|---|
|
COOP
1451
CALL
DELISTED
Mr. Cooper
COOP
| $3.15M | ﹤0.01% |
85,900
+62,800
| +272% | +$2.66M |
|
1452
American Airlines Group
AAL
$9.58B
| $3.15M | ﹤0.01% |
248,798
-524,783
| -68% | -$8.74M |
|
1453
CALL
Autoliv
ALV
$8.6B
| $3.15M | ﹤0.01% |
44,000
-22,100
| -33% | -$1.65M |
|
|
VTNR
1454
CALL
DELISTED
Vertex Energy, Inc
VTNR
| $3.14M | ﹤0.01% |
298,700
-391,700
| -57% | -$4.64M |
|
1455
CALL
Crocs
CROX
$6.69B
| $3.14M | ﹤0.01% |
64,500
+4,600
| +8% | +$279K |
|
1456
Conagra Brands
CAG
$7.07B
| $3.14M | ﹤0.01% |
+91,630
| New | +$3.12M |
|
|
XIFR
1457
CALL
XPLR Infrastructure LP
XIFR
$1.18B
| $3.14M | ﹤0.01% |
42,300
+39,600
| +1,467% | +$2.84M |
|
1458
CALL
AES
AES
$10.6B
| $3.13M | ﹤0.01% |
149,000
-57,200
| -28% | -$1.25M |
|
1459
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$46.8B
| $3.13M | ﹤0.01% |
34,220
+7,000
| +26% | +$640K |
|
|
STOR
1460
CALL
DELISTED
STORE Capital Corporation
STOR
| $3.12M | ﹤0.01% |
119,800
+400
| +0.3% | +$11.1K |
|
|
POLY
1461
PUT
DELISTED
Plantronics, Inc.
POLY
| $3.12M | ﹤0.01% |
78,700
+6,800
| +9% | +$270K |
|
|
RADA
1462
CALL
DELISTED
Rada Electronic Industries Ltd
RADA
| $3.12M | ﹤0.01% |
337,800
+208,700
| +162% | +$2.69M |
|
1463
CALL
Cardinal Health
CAH
$53.4B
| $3.12M | ﹤0.01% |
59,700
-58,600
| -50% | -$3.33M |
|
1464
ZIM Integrated Shipping Services
ZIM
$3B
| $3.12M | ﹤0.01% |
65,981
-45,800
| -41% | -$2.69M |
|
1465
PUT
Marathon Digital Holdings
MARA
$4.62B
| $3.12M | ﹤0.01% |
583,500
-190,500
| -25% | -$2.55M |
|
1466
CALL
Doximity
DOCS
$3.67B
| $3.11M | ﹤0.01% |
89,400
+3,300
| +4% | +$130K |
|
1467
CALL
First Trust Consumer Discretionary AlphaDEX Fund
FXD
$263M
| $3.11M | ﹤0.01% |
59,300
+23,800
| +67% | +$1.19M |
|
1468
Gilead Sciences
GILD
$161B
| $3.11M | ﹤0.01% |
+50,325
| New | +$3.12M |
|
1469
Berkshire Hathaway Class B
BRK.B
$1.07T
| $3.11M | ﹤0.01% |
+11,378
| New | +$3.57M |
|
1470
Okta
OKTA
$24.1B
| $3.1M | ﹤0.01% |
34,340
+517
| +2% | +$55.8K |
|
1471
PUT
Barclays
BCS
$94.1B
| $3.1M | ﹤0.01% |
408,000
+265,200
| +186% | +$2.08M |
|
1472
Trade Desk
TTD
$8.13B
| $3.1M | ﹤0.01% |
74,005
-140,397
| -65% | -$7.69M |
|
1473
CALL
Ferguson
FERG
$44.7B
| $3.1M | ﹤0.01% |
+28,000
| New | +$3.39M |
|
1474
CALL
Knight Transportation
KNX
$11.8B
| $3.1M | ﹤0.01% |
66,900
+39,200
| +142% | +$1.85M |
|
|
WCC
1475
PUT
WESCO International
WCC
$16.2B
| $3.1M | ﹤0.01% |
28,900
+25,400
| +726% | +$3.13M |
|
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.