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 | |
|---|---|---|---|---|---|---|
2051
PUT
Norfolk Southern
NSC
$78.8B
| $1.68M | ﹤0.01% |
7,400
-22,000
| -75% | -$5.4M |
|
2052
CALL
Thor Industries
THO
$3.99B
| $1.68M | ﹤0.01% |
22,500
+16,800
| +295% | +$1.3M |
|
2053
PUT
Henry Schein
HSIC
$9.74B
| $1.68M | ﹤0.01% |
21,900
+9,500
| +77% | +$796K |
|
2054
CALL
Energy Vault
NRGV
$522M
| $1.68M | ﹤0.01% |
167,700
+118,600
| +242% | +$1.54M |
|
2055
UiPath
PATH
$5.62B
| $1.68M | ﹤0.01% |
92,159
-89,711
| -49% | -$1.68M |
|
2056
Vail Resorts
MTN
$5.19B
| $1.67M | ﹤0.01% |
7,677
+6,175
| +411% | +$1.51M |
|
2057
CALL
UBS Group
UBS
$170B
| $1.67M | ﹤0.01% |
103,200
+48,700
| +89% | +$854K |
|
2058
CALL
Equinox Gold
EQX
$7.32B
| $1.67M | ﹤0.01% |
376,800
+128,800
| +52% | +$833K |
|
2059
PUT
Natural Resource Partners
NRP
$1.3B
| $1.67M | ﹤0.01% |
44,900
-82,900
| -65% | -$3.76M |
|
2060
PUT
IDEX
IEX
$16.5B
| $1.67M | ﹤0.01% |
9,200
+2,900
| +46% | +$546K |
|
2061
PUT
Synopsys
SNPS
$71.5B
| $1.67M | ﹤0.01% |
5,500
-26,900
| -83% | -$8.11M |
|
|
HBI
2062
CALL
DELISTED
Hanesbrands
HBI
| $1.67M | ﹤0.01% |
162,200
-150,400
| -48% | -$1.87M |
|
2063
Maximus
MMS
$3.14B
| $1.67M | ﹤0.01% |
+26,694
| New | +$1.8M |
|
2064
CALL
PureCycle Technologies
PCT
$1.17B
| $1.67M | ﹤0.01% |
224,700
-260,500
| -54% | -$2.18M |
|
2065
Robinhood
HOOD
$85.2B
| $1.67M | ﹤0.01% |
+202,658
| New | +$1.98M |
|
2066
CALL
DigitalBridge
DBRG
$2.94B
| $1.66M | ﹤0.01% |
84,925
-3,975
| -4% | -$97K |
|
2067
CALL
Pembina Pipeline
PBA
$29.9B
| $1.66M | ﹤0.01% |
46,900
+5,400
| +13% | +$208K |
|
2068
CALL
Becton Dickinson
BDX
$43.1B
| $1.66M | ﹤0.01% |
12,000
-4,708
| -28% | -$1.2M |
|
2069
PUT
Regency Centers
REG
$15B
| $1.65M | ﹤0.01% |
27,900
| – | – |
|
2070
PUT
Nano X Imaging
NNOX
$62.4M
| $1.65M | ﹤0.01% |
146,000
+12,000
| +9% | +$125K |
|
2071
ProShares UltraPro Short S&P 500
SPXU
$436M
| $1.65M | ﹤0.01% |
4,072
-1,173
| -22% | -$404K |
|
2072
CALL
Watsco Inc
WSO
$14.9B
| $1.65M | ﹤0.01% |
+6,900
| New | +$1.82M |
|
2073
CALL
Carlyle Group
CG
$16.3B
| $1.64M | ﹤0.01% |
51,900
-1,700
| -3% | -$65.1K |
|
2074
CALL
Labcorp
LH
$24.3B
| $1.64M | ﹤0.01% |
8,148
-349
| -4% | -$74.4K |
|
2075
iShares MSCI ACWI ETF
ACWI
$32.6B
| $1.64M | ﹤0.01% |
19,548
+11,279
| +136% | +$1.03M |
|
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.