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 | |
|---|---|---|---|---|---|---|
3201
LivePerson
LPSN
$22.9M
| $611K | ﹤0.01% |
2,882
+649
| +29% | +$183K |
|
3202
Camtek
CAMT
$6.53B
| $610K | ﹤0.01% |
24,554
+23,373
| +1,979% | +$668K |
|
3203
Lithia Motors
LAD
$8.17B
| $610K | ﹤0.01% |
+2,220
| New | +$647K |
|
3204
JFrog
FROG
$9.26B
| $608K | ﹤0.01% |
28,896
+12,196
| +73% | +$256K |
|
3205
CALL
IonQ
IONQ
$12.6B
| $607K | ﹤0.01% |
138,800
+33,200
| +31% | +$235K |
|
3206
PUT
Independence Realty Trust
IRT
$3.93B
| $607K | ﹤0.01% |
29,300
+7,600
| +35% | +$183K |
|
|
BLUE
3207
DELISTED
bluebird bio
BLUE
| $606K | ﹤0.01% |
7,325
+6,284
| +604% | +$487K |
|
|
WEBR
3208
CALL
DELISTED
Weber Inc.
WEBR
| $606K | ﹤0.01% |
84,100
+65,000
| +340% | +$544K |
|
|
TUFN
3209
PUT
DELISTED
Tufin Software Technologies Ltd.
TUFN
| $606K | ﹤0.01% |
48,300
+43,100
| +829% | +$536K |
|
3210
CALL
MKS Inc
MKSI
$19.3B
| $605K | ﹤0.01% |
5,900
+4,800
| +436% | +$559K |
|
|
WBX
3211
CALL
Wallbox
WBX
$83.5M
| $605K | ﹤0.01% |
3,410
+1,530
| +81% | +$329K |
|
|
ARR
3212
CALL
Armour Residential REIT
ARR
$2.04B
| $604K | ﹤0.01% |
17,180
-620
| -3% | -$23K |
|
|
BHIL
3213
CALL
DELISTED
Benson Hill, Inc.
BHIL
| $603K | ﹤0.01% |
6,297
+1,077
| +21% | +$127K |
|
3214
PUT
Groupon
GRPN
$1.07B
| $602K | ﹤0.01% |
53,300
-30,200
| -36% | -$496K |
|
3215
CALL
Titan International
TWI
$530M
| $600K | ﹤0.01% |
39,800
+11,700
| +42% | +$189K |
|
3216
PUT
LivaNova
LIVN
$4.51B
| $599K | ﹤0.01% |
+9,600
| New | +$680K |
|
3217
PUT
Nkarta
NKTX
$159M
| $599K | ﹤0.01% |
48,700
+34,100
| +234% | +$448K |
|
|
OIL
3218
DELISTED
iPath Pure Beta Crude Oil ETN
OIL
| $599K | ﹤0.01% |
17,490
+8,758
| +100% | +$305K |
|
|
FPAC
3219
CALL
DELISTED
Far Peak Acquisition Corporation
FPAC
| $598K | ﹤0.01% |
60,900
-12,500
| -17% | -$123K |
|
|
EVBG
3220
DELISTED
Everbridge, Inc. Common Stock
EVBG
| $597K | ﹤0.01% |
21,433
+6,848
| +47% | +$277K |
|
3221
CALL
Bionano Genomics
BNGO
$12.5M
| $596K | ﹤0.01% |
720
-10
| -1% | -$10.3K |
|
|
CRON
3222
CALL
Cronos Group
CRON
$1.06B
| $596K | ﹤0.01% |
211,700
-227,700
| -52% | -$710K |
|
3223
CALL
Emergent Biosolutions
EBS
$377M
| $595K | ﹤0.01% |
19,200
+16,600
| +638% | +$567K |
|
3224
PUT
Ternium
TX
$9.68B
| $595K | ﹤0.01% |
16,500
+11,600
| +237% | +$493K |
|
|
AGR
3225
CALL
DELISTED
Avangrid, Inc.
AGR
| $594K | ﹤0.01% |
12,900
+10,200
| +378% | +$473K |
|
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.