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 | |
|---|---|---|---|---|---|---|
4626
CALL
Ashland
ASH
$3.33B
| $195K | ﹤0.01% |
1,900
| – | – |
|
4627
CALL
Burford Capital
BUR
$922M
| $195K | ﹤0.01% |
19,400
+17,100
| +743% | +$150K |
|
4628
PUT
Emcor
EME
$35.4B
| $195K | ﹤0.01% |
1,900
+1,800
| +1,800% | +$192K |
|
4629
PUT
Energizer
ENR
$1.44B
| $195K | ﹤0.01% |
6,900
-3,300
| -32% | -$99.3K |
|
4630
PUT
The Joint Corp
JYNT
$119M
| $195K | ﹤0.01% |
12,800
+2,500
| +24% | +$55.9K |
|
4631
nCino
NCNO
$2.01B
| $195K | ﹤0.01% |
6,311
-40,023
| -86% | -$1.41M |
|
|
TEAD
4632
Teads Holding Co
TEAD
$70.3M
| $195K | ﹤0.01% |
+38,790
| New | +$292K |
|
|
RDNW
4633
PUT
RideNow Group
RDNW
$248M
| $195K | ﹤0.01% |
13,300
-3,700
| -22% | -$72.3K |
|
4634
PUT
Shenandoah Telecom
SHEN
$654M
| $195K | ﹤0.01% |
8,800
-7,100
| -45% | -$160K |
|
4635
PUT
W&T Offshore
WTI
$515M
| $195K | ﹤0.01% |
45,300
+14,300
| +46% | +$80.4K |
|
4636
Corpay
CPAY
$25.5B
| $195K | ﹤0.01% |
+931
| New | +$222K |
|
|
NVEI
4637
CALL
DELISTED
Nuvei Corporation Subordinate Voting Shares
NVEI
| $195K | ﹤0.01% |
5,400
+200
| +4% | +$10.4K |
|
|
CBD
4638
PUT
DELISTED
Companhia Brasileira de Distribuicao
CBD
| $195K | ﹤0.01% |
63,100
-22,800
| -27% | -$96.7K |
|
|
JJT
4639
PUT
DELISTED
iPath Series B Bloomberg Tin Subindex Total ReturnSM ETN
JJT
| $195K | ﹤0.01% |
5,400
-5,200
| -49% | -$577K |
|
|
ARVL
4640
PUT
DELISTED
Arrival Ordinary Shares
ARVL
| $195K | ﹤0.01% |
2,472
+1,018
| +70% | +$108K |
|
4641
Atomera
ATOM
$197M
| $194K | ﹤0.01% |
20,720
+19,851
| +2,284% | +$219K |
|
4642
Hoya Capital Housing ETF
HOMZ
$35.4M
| $194K | ﹤0.01% |
+6,100
| New | +$217K |
|
4643
CALL
Manchester United
MANU
$4.04B
| $194K | ﹤0.01% |
17,500
-36,500
| -68% | -$473K |
|
4644
PUT
SEI Investments
SEIC
$12.4B
| $194K | ﹤0.01% |
3,600
-700
| -16% | -$39.4K |
|
4645
PUT
B2Gold
BTG
$5.13B
| $193K | ﹤0.01% |
57,000
+18,500
| +48% | +$77.3K |
|
4646
PUT
Clean Energy Fuels
CLNE
$425M
| $193K | ﹤0.01% |
43,100
+16,100
| +60% | +$93.2K |
|
4647
iShares MSCI Chile ETF
ECH
$1.02B
| $193K | ﹤0.01% |
8,032
-1,620
| -17% | -$44.2K |
|
|
FPI
4648
CALL
Farmland Partners
FPI
$411M
| $193K | ﹤0.01% |
14,000
+2,500
| +22% | +$36.4K |
|
|
GOGL
4649
DELISTED
Golden Ocean Group
GOGL
| $193K | ﹤0.01% |
16,637
-6,399
| -28% | -$85.7K |
|
4650
Immersion
IMMR
$246M
| $193K | ﹤0.01% |
36,216
-28,647
| -44% | -$148K |
|
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.