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 | |
|---|---|---|---|---|---|---|
1651
ARK Innovation ETF
ARKK
$5.89B
| $2.52M | ﹤0.01% |
63,294
+56,656
| +854% | +$2.7M |
|
1652
CALL
Pultegroup
PHM
$24.5B
| $2.52M | ﹤0.01% |
63,700
-13,400
| -17% | -$564K |
|
1653
CALL
Dover
DOV
$27.2B
| $2.52M | ﹤0.01% |
20,800
+13,700
| +193% | +$1.85M |
|
|
PSTH
1654
DELISTED
Pershing Square Tontine Holdings, Ltd.
PSTH
| $2.52M | ﹤0.01% |
126,347
+92,844
| +277% | +$1.85M |
|
1655
CALL
Dutch Bros
BROS
$8.78B
| $2.52M | ﹤0.01% |
79,700
-103,900
| -57% | -$4.26M |
|
1656
CALL
Plains All American Pipeline
PAA
$17.4B
| $2.51M | ﹤0.01% |
255,700
-151,200
| -37% | -$1.64M |
|
1657
Deutsche Bank
DB
$66.3B
| $2.51M | ﹤0.01% |
286,954
-21,993
| -7% | -$235K |
|
|
SFIX
1658
PUT
Stitch Fix
SFIX
$478M
| $2.5M | ﹤0.01% |
506,300
+387,500
| +326% | +$3.24M |
|
|
TGH
1659
CALL
DELISTED
Textainer Group Holdings limited
TGH
| $2.5M | ﹤0.01% |
91,200
+13,700
| +18% | +$442K |
|
1660
PUT
BioCryst Pharmaceuticals
BCRX
$2.37B
| $2.5M | ﹤0.01% |
236,200
+177,900
| +305% | +$1.84M |
|
1661
CALL
Perrigo
PRGO
$1.4B
| $2.5M | ﹤0.01% |
61,500
+56,900
| +1,237% | +$2.11M |
|
1662
PUT
Cadence Design Systems
CDNS
$90B
| $2.49M | ﹤0.01% |
16,600
+4,200
| +34% | +$634K |
|
1663
PUT
Evercore
EVR
$13.1B
| $2.48M | ﹤0.01% |
26,500
+26,400
| +26,400% | +$2.81M |
|
1664
CALL
Sonos
SONO
$1.75B
| $2.48M | ﹤0.01% |
137,300
-40,100
| -23% | -$899K |
|
1665
PUT
MPLX
MPLX
$59.5B
| $2.47M | ﹤0.01% |
84,900
-200
| -0.2% | -$6.41K |
|
1666
CALL
GitLab
GTLB
$5.28B
| $2.47M | ﹤0.01% |
46,500
+11,500
| +33% | +$535K |
|
|
1667
CALL
BioCryst Pharmaceuticals
BCRX
$2.37B
| $2.47M | ﹤0.01% |
233,400
-65,300
| -22% | -$674K |
|
1668
CALL
Iovance Biotherapeutics
IOVA
$2.23B
| $2.47M | ﹤0.01% |
223,700
+107,500
| +93% | +$1.41M |
|
|
SWCH
1669
DELISTED
Switch, Inc. Class A Common Stock
SWCH
| $2.47M | ﹤0.01% |
+73,729
| New | +$2.38M |
|
1670
PUT
Albertsons Companies
ACI
$5.4B
| $2.47M | ﹤0.01% |
92,400
-119,000
| -56% | -$3.64M |
|
1671
CALL
L3Harris
LHX
$55.9B
| $2.46M | ﹤0.01% |
10,200
-5,200
| -34% | -$1.26M |
|
|
HZNP
1672
CALL
DELISTED
Horizon Therapeutics Public Limited Company Ordinary Shares
HZNP
| $2.46M | ﹤0.01% |
30,900
-6,000
| -16% | -$568K |
|
|
HIBB
1673
CALL
DELISTED
Hibbett, Inc. Common Stock
HIBB
| $2.46M | ﹤0.01% |
56,300
+49,900
| +780% | +$2.3M |
|
1674
Whirlpool
WHR
$2.42B
| $2.46M | ﹤0.01% |
+15,877
| New | +$2.76M |
|
1675
CALL
Boston Beer
SAM
$1.88B
| $2.45M | ﹤0.01% |
8,100
-400
| -5% | -$139K |
|
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.