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 | |
|---|---|---|---|---|---|---|
7801
CALL
Altisource Portfolio Solutions
ASPS
$58.4M
| $16K | ﹤0.01% |
188
+150
| +395% | +$13.1K |
|
7802
BigBear.ai
BBAI
$1.24B
| $16K | ﹤0.01% |
4,530
-21,412
| -83% | -$167K |
|
7803
CALL
Bright Horizons
BFAM
$4.35B
| $16K | ﹤0.01% |
200
-3,000
| -94% | -$298K |
|
|
BLD
7804
CALL
DELISTED
TopBuild
BLD
| $16K | ﹤0.01% |
100
| – | – |
|
7805
CALL
Central Garden & Pet Co Class A
CENTA
$2.43B
| $16K | ﹤0.01% |
+500
| New | +$16.5K |
|
7806
Chunghwa Telecom
CHT
$33.5B
| $16K | ﹤0.01% |
+391
| New | +$16.8K |
|
7807
PUT
Ecopetrol
EC
$33.7B
| $16K | ﹤0.01% |
1,500
-4,200
| -74% | -$66.8K |
|
7808
iShares MSCI EAFE Min Vol Factor ETF
EFAV
$5.35B
| $16K | ﹤0.01% |
+265
| New | +$17.8K |
|
7809
Eos Energy Enterprises
EOSE
$1.14B
| $16K | ﹤0.01% |
13,993
-52,091
| -79% | -$107K |
|
7810
PUT
Comfort Systems
FIX
$53.5B
| $16K | ﹤0.01% |
200
| – | – |
|
7811
PUT
Genpact
G
$6.22B
| $16K | ﹤0.01% |
400
-4,700
| -92% | -$199K |
|
7812
Gaia
GAIA
$46.6M
| $16K | ﹤0.01% |
+3,875
| New | +$18.8K |
|
7813
Genesco
GCO
$434M
| $16K | ﹤0.01% |
+335
| New | +$20.1K |
|
7814
CALL
Gates Industrial Corporation Ltd.
GTES
$6.31B
| $16K | ﹤0.01% |
1,500
-2,100
| -58% | -$26.3K |
|
7815
CALL
Hyperfine
HYPR
$88.4M
| $16K | ﹤0.01% |
+7,600
| New | +$22.4K |
|
7816
CALL
Installed Building Products
IBP
$6.21B
| $16K | ﹤0.01% |
+200
| New | +$17.1K |
|
7817
PUT
Imperial Petroleum
IMPP
$212M
| $16K | ﹤0.01% |
2,553
-2,247
| -47% | -$26.9K |
|
7818
PUT
Ingersoll Rand
IR
$33.1B
| $16K | ﹤0.01% |
400
-9,000
| -96% | -$410K |
|
7819
CALL
Jasper Therapeutics
JSPR
$20M
| $16K | ﹤0.01% |
840
| – | – |
|
|
LOAN
7820
PUT
Manhattan Bridge Capital
LOAN
$48M
| $16K | ﹤0.01% |
3,000
+1,000
| +50% | +$5.63K |
|
7821
PUT
Momentus
MNTS
$78.4M
| $16K | ﹤0.01% |
1
| – | – |
|
7822
Matrix Service
MTRX
$312M
| $16K | ﹤0.01% |
3,287
-5,067
| -61% | -$31.8K |
|
7823
PUT
OptimizeRx
OPRX
$120M
| $16K | ﹤0.01% |
600
-100
| -14% | -$2.96K |
|
7824
PUT
CarParts.com
PRTS
$42.6M
| $16K | ﹤0.01% |
240
+70
| +41% | +$5.11K |
|
7825
PUT
Redwire
RDW
$1.86B
| $16K | ﹤0.01% |
5,300
-1,000
| -16% | -$4.81K |
|
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.