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 | |
|---|---|---|---|---|---|---|
676
CALL
Bunge Global
BG
$23.6B
| $13.4M | 0.01% |
147,400
+10,600
| +8% | +$1.18M |
|
677
PUT
New Oriental
EDU
$7.84B
| $13.4M | 0.01% |
656,300
+590,030
| +890% | +$8.08M |
|
678
PUT
Archer Daniels Midland
ADM
$41.4B
| $13.4M | 0.01% |
172,100
+24,600
| +17% | +$2.15M |
|
679
PUT
Carvana
CVNA
$43.3B
| $13.3M | 0.01% |
2,952,500
+1,850,000
| +168% | +$19.5M |
|
680
PUT
ArcelorMittal
MT
$50.4B
| $13.3M | 0.01% |
589,900
+194,900
| +49% | +$5.71M |
|
681
PUT
Invesco CurrencyShares Japanese Yen Trust
FXY
$423M
| $13.3M | 0.01% |
193,100
+83,800
| +77% | +$6.05M |
|
682
CALL
Cenovus Energy
CVE
$54.6B
| $13.3M | 0.01% |
699,600
+251,100
| +56% | +$5M |
|
|
UCD
683
PUT
DELISTED
PROSHARES ULTRA BLOOMBERG COMMODITY
UCD
| $13.3M | 0.01% |
292,200
+81,200
| +38% | +$3.68M |
|
684
PUT
Seagate
STX
$193B
| $13.3M | 0.01% |
185,500
+47,200
| +34% | +$3.83M |
|
685
PUT
Phillips 66
PSX
$82.9B
| $13.2M | 0.01% |
161,200
+53,300
| +49% | +$4.93M |
|
686
CALL
DuPont de Nemours
DD
$18.6B
| $13.2M | 0.01% |
188,969
+79,029
| +72% | +$6.47M |
|
687
PUT
Fortinet
FTNT
$112B
| $13.2M | 0.01% |
233,000
+54,000
| +30% | +$3.21M |
|
688
PUT
iShares Convertible Bond ETF
ICVT
$7.23B
| $13.2M | 0.01% |
456,900
+286,700
| +168% | +$21.5M |
|
689
PUT
First Solar
FSLR
$21.8B
| $13.2M | 0.01% |
193,400
-92,000
| -32% | -$6.55M |
|
690
CALL
Automatic Data Processing
ADP
$100B
| $13.2M | 0.01% |
62,700
+5,400
| +9% | +$1.18M |
|
691
PUT
Trump Media & Technology Group
DJT
$2.37B
| $13.2M | 0.01% |
544,600
+44,800
| +9% | +$1.87M |
|
|
SIVB
692
PUT
DELISTED
SVB Financial Group
SIVB
| $13.2M | 0.01% |
33,300
-5,300
| -14% | -$2.5M |
|
693
Qualcomm
QCOM
$176B
| $13.1M | 0.01% |
102,669
+4,626
| +5% | +$628K |
|
694
PUT
AstraZeneca
AZN
$263B
| $13.1M | 0.01% |
99,000
-41,750
| -30% | -$5.48M |
|
695
CALL
ZIM Integrated Shipping Services
ZIM
$3B
| $13M | 0.01% |
276,100
-99,200
| -26% | -$5.82M |
|
696
CALL
XPeng
XPEV
$11.8B
| $13M | 0.01% |
410,700
-228,000
| -36% | -$5.86M |
|
697
CALL
CVR Partners
UAN
$1.3B
| $13M | 0.01% |
130,300
+78,400
| +151% | +$10.5M |
|
698
PUT
KE Holdings
BEKE
$16.8B
| $13M | 0.01% |
724,300
-25,900
| -3% | -$365K |
|
699
CALL
SoFi Technologies
SOFI
$21.1B
| $12.9M | 0.01% |
2,451,700
-736,200
| -23% | -$4.98M |
|
700
PUT
Albemarle
ALB
$13.5B
| $12.9M | 0.01% |
61,700
-20,100
| -25% | -$4.48M |
|
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.