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 | |
|---|---|---|---|---|---|---|
76
PUT
iShares MSCI Australia ETF
EWA
$1.34B
| $132M | 0.14% |
4,465,900
+1,272,700
| +40% | +$30.7M |
|
77
PUT
FedEx
FDX
$73.1B
| $132M | 0.14% |
580,500
+126,300
| +28% | +$27M |
|
78
CALL
Goldman Sachs
GS
$320B
| $131M | 0.14% |
442,500
+46,100
| +12% | +$14.4M |
|
79
CALL
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.07B
| $130M | 0.14% |
1,139,100
+423,800
| +59% | +$12.5M |
|
80
PUT
Visa
V
$677B
| $128M | 0.14% |
648,300
-218,000
| -25% | -$45.1M |
|
81
PUT
Pfizer
PFE
$142B
| $128M | 0.14% |
2,662,600
-1,525,200
| -36% | -$77.7M |
|
82
CALL
Procter & Gamble
PG
$345B
| $126M | 0.13% |
875,100
+146,600
| +20% | +$22M |
|
|
83
PUT
Goldman Sachs
GS
$320B
| $124M | 0.13% |
418,900
-105,500
| -20% | -$32.8M |
|
84
CALL
Berkshire Hathaway Class B
BRK.B
$1.06T
| $124M | 0.13% |
453,800
-46,200
| -9% | -$14.5M |
|
85
PUT
Occidental Petroleum
OXY
$56.2B
| $122M | 0.13% |
2,073,300
-405,800
| -16% | -$24.9M |
|
86
CALL
Citigroup
C
$216B
| $122M | 0.13% |
2,650,000
-823,400
| -24% | -$41.2M |
|
87
CALL
Micron Technology
MU
$1.1T
| $120M | 0.13% |
2,172,300
-543,400
| -20% | -$36.9M |
|
|
88
CALL
Pfizer
PFE
$142B
| $119M | 0.13% |
2,278,100
-783,200
| -26% | -$39.9M |
|
89
PUT
Shopify
SHOP
$160B
| $119M | 0.13% |
3,795,600
-618,400
| -14% | -$26.4M |
|
90
CALL
Costco
COST
$412B
| $118M | 0.13% |
246,700
-5,200
| -2% | -$2.64M |
|
91
PUT
UnitedHealth
UNH
$396B
| $118M | 0.13% |
229,200
+59,600
| +35% | +$29.9M |
|
|
92
CALL
Occidental Petroleum
OXY
$56.2B
| $115M | 0.12% |
1,946,100
-565,000
| -23% | -$34.7M |
|
|
93
PUT
Berkshire Hathaway Class B
BRK.B
$1.06T
| $114M | 0.12% |
416,900
-31,700
| -7% | -$9.94M |
|
94
PUT
Cisco
CSCO
$442B
| $113M | 0.12% |
2,655,200
-532,000
| -17% | -$25.5M |
|
95
PUT
Walmart Inc
WMT
$878B
| $113M | 0.12% |
2,781,300
+141,900
| +5% | +$6.54M |
|
96
CALL
Verizon
VZ
$183B
| $112M | 0.12% |
2,205,400
+102,300
| +5% | +$5.17M |
|
97
PUT
Nike
NKE
$63.7B
| $112M | 0.12% |
1,092,400
+393,600
| +56% | +$46.5M |
|
98
PUT
TSMC
TSM
$2.2T
| $111M | 0.12% |
1,357,400
-167,200
| -11% | -$15.5M |
|
99
CALL
AbbVie
ABBV
$448B
| $111M | 0.12% |
721,700
-118,700
| -14% | -$18.1M |
|
100
CALL
ARK Space & Defense Innovation ETF
ARKX
$823M
| $110M | 0.12% |
3,025,300
+602,300
| +25% | +$9.12M |
|
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.