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 | |
|---|---|---|---|---|---|---|
3901
PUT
Gaotu Techedu
GOTU
$405M
| $348K | ﹤0.01% |
178,000
+90,800
| +104% | +$146K |
|
|
TRUE
3902
DELISTED
TrueCar
TRUE
| $348K | ﹤0.01% |
134,718
+21,973
| +19% | +$72.9K |
|
3903
CALL
Eastern Bankshares
EBC
$5.27B
| $347K | ﹤0.01% |
18,800
-7,100
| -27% | -$138K |
|
3904
CALL
Plains GP Holdings
PAGP
$5.28B
| $347K | ﹤0.01% |
33,700
-5,600
| -14% | -$64.3K |
|
3905
PUT
Rapid7
RPD
$628M
| $347K | ﹤0.01% |
5,200
-22,000
| -81% | -$1.82M |
|
|
ONIT
3906
Onity Group
ONIT
$342M
| $347K | ﹤0.01% |
12,684
+1,941
| +18% | +$45.7K |
|
3907
Clover Health Investments
CLOV
$2.23B
| $346K | ﹤0.01% |
161,964
+102,383
| +172% | +$272K |
|
|
MIMO
3908
CALL
DELISTED
Airspan Networks Holdings Inc
MIMO
| $346K | ﹤0.01% |
116,000
-3,400
| -3% | -$9.5K |
|
3909
PUT
Blend Labs
BLND
$438M
| $345K | ﹤0.01% |
146,400
+134,000
| +1,081% | +$501K |
|
|
CVAC
3910
PUT
DELISTED
CureVac
CVAC
| $345K | ﹤0.01% |
25,400
+1,700
| +7% | +$28.1K |
|
3911
CALL
Post Holdings
POST
$4.42B
| $345K | ﹤0.01% |
4,200
+500
| +14% | +$38.8K |
|
3912
CALL
2x Long VIX Futures ETF
UVIX
$300M
| $345K | ﹤0.01% |
+2
| New | +$372K |
|
3913
CALL
Valley National Bancorp
VLY
$7.9B
| $345K | ﹤0.01% |
33,200
+900
| +3% | +$10.7K |
|
3914
CALL
Archer Aviation
ACHR
$3.42B
| $344K | ﹤0.01% |
111,700
-19,700
| -15% | -$79.3K |
|
3915
PUT
Mettler-Toledo International
MTD
$28.1B
| $344K | ﹤0.01% |
+300
| New | +$377K |
|
|
CVET
3916
CALL
DELISTED
Covetrus, Inc. Common Stock
CVET
| $344K | ﹤0.01% |
16,600
+16,100
| +3,220% | +$286K |
|
3917
CALL
Avnet
AVT
$6.86B
| $343K | ﹤0.01% |
8,000
+1,300
| +19% | +$56.7K |
|
|
CODX
3918
CALL
Co-Diagnostics
CODX
$5.56M
| $343K | ﹤0.01% |
2,040
-1,303
| -39% | -$198K |
|
3919
CALL
Imperial Petroleum
IMPP
$212M
| $343K | ﹤0.01% |
54,580
+33,693
| +161% | +$404K |
|
3920
PUT
Manhattan Associates
MANH
$11.9B
| $343K | ﹤0.01% |
3,000
+2,300
| +329% | +$286K |
|
3921
Strategy Inc
MSTR
$34.1B
| $343K | ﹤0.01% |
20,910
| – | – |
|
3922
PUT
First Trust NASDAQ-100 Technology Index Fund
QTEC
$4.33B
| $343K | ﹤0.01% |
3,000
+2,600
| +650% | +$334K |
|
3923
PUT
Matsons
MATX
$6.11B
| $342K | ﹤0.01% |
4,700
+1,400
| +42% | +$120K |
|
3924
CALL
WEX
WEX
$6.42B
| $342K | ﹤0.01% |
2,200
-400
| -15% | -$65.5K |
|
3925
PUT
ACM Research
ACMR
$4.51B
| $341K | ﹤0.01% |
20,300
-120,600
| -86% | -$1.86M |
|
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.