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 | |
|---|---|---|---|---|---|---|
|
LOGC
3701
PUT
DELISTED
ContextLogic
LOGC
| $408K | ﹤0.01% |
8,507
-1,256
| -13% | -$68K |
|
3702
CALL
Buckle
BKE
$2.32B
| $407K | ﹤0.01% |
14,700
-20,100
| -58% | -$630K |
|
3703
Amplify Blockchain Technology ETF
BLOK
$1.03B
| $407K | ﹤0.01% |
22,488
-34,569
| -61% | -$845K |
|
3704
CALL
Celularity
CELU
$19.4M
| $407K | ﹤0.01% |
11,980
+7,570
| +172% | +$615K |
|
3705
CALL
Cooper Companies
COO
$14.2B
| $407K | ﹤0.01% |
5,200
+3,600
| +225% | +$319K |
|
3706
CALL
Rimini Street
RMNI
$457M
| $407K | ﹤0.01% |
67,800
+6,400
| +10% | +$38.1K |
|
|
RTL
3707
PUT
DELISTED
The Necessity Retail REIT, Inc. Class A Common Stock
RTL
| $406K | ﹤0.01% |
55,800
+6,800
| +14% | +$51.2K |
|
|
CTXS
3708
DELISTED
Citrix Systems Inc
CTXS
| $406K | ﹤0.01% |
+4,183
| New | +$416K |
|
3709
New Oriental
EDU
$9.32B
| $405K | ﹤0.01% |
19,912
-2,427
| -11% | -$33.2K |
|
3710
PUT
VanEck Energy Income ETF
EINC
$77.6M
| $405K | ﹤0.01% |
22,300
-16,600
| -43% | -$1.06M |
|
3711
CALL
Avery Dennison
AVY
$12.8B
| $404K | ﹤0.01% |
2,500
+1,700
| +213% | +$290K |
|
|
BZUN
3712
Baozun
BZUN
$179M
| $404K | ﹤0.01% |
36,947
+36,539
| +8,956% | +$321K |
|
|
PLL
3713
CALL
DELISTED
Piedmont Lithium
PLL
| $404K | ﹤0.01% |
11,100
-2,600
| -19% | -$154K |
|
|
EVBG
3714
CALL
DELISTED
Everbridge, Inc. Common Stock
EVBG
| $404K | ﹤0.01% |
14,500
+800
| +6% | +$32.4K |
|
|
SWIR
3715
CALL
DELISTED
Sierra Wireless
SWIR
| $404K | ﹤0.01% |
17,300
+7,700
| +80% | +$151K |
|
3716
CALL
Kayne Anderson Energy Infrastructure Fund
KYN
$2.42B
| $403K | ﹤0.01% |
48,100
+25,300
| +111% | +$229K |
|
|
TSE
3717
DELISTED
Trinseo
TSE
| $403K | ﹤0.01% |
10,499
+1,320
| +14% | +$59.8K |
|
3718
CALL
MDU Resources
MDU
$4.18B
| $402K | ﹤0.01% |
39,185
+20,776
| +113% | +$211K |
|
3719
CALL
Pilgrim's Pride
PPC
$7.13B
| $402K | ﹤0.01% |
12,900
+8,100
| +169% | +$238K |
|
3720
PUT
Aramark
ARMK
$15B
| $401K | ﹤0.01% |
18,144
-4,570
| -20% | -$113K |
|
|
TDAY
3721
CALL
USA Today Co
TDAY
$1.29B
| $401K | ﹤0.01% |
138,600
-437,500
| -76% | -$1.66M |
|
3722
PUT
Teekay Tankers
TNK
$2.71B
| $401K | ﹤0.01% |
22,800
+9,000
| +65% | +$161K |
|
3723
CALL
Arbutus Biopharma
ABUS
$847M
| $400K | ﹤0.01% |
147,700
-54,000
| -27% | -$138K |
|
3724
CALL
Clean Energy Fuels
CLNE
$416M
| $400K | ﹤0.01% |
89,400
-221,200
| -71% | -$1.28M |
|
3725
PUT
FlexShares Morningstar US Market Factors Tilt Index Fund
TILT
$2.15B
| $400K | ﹤0.01% |
10,100
+500
| +5% | +$79.2K |
|
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.