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 | |
|---|---|---|---|---|---|---|
6501
PUT
Crescent Capital BDC
CCAP
$403M
| $49K | ﹤0.01% |
3,200
+900
| +39% | +$15.4K |
|
6502
CALL
Cooper-Standard Automotive
CPS
$523M
| $49K | ﹤0.01% |
9,900
+9,700
| +4,850% | +$56.6K |
|
6503
Cricut
CRCT
$984M
| $49K | ﹤0.01% |
7,988
+2,344
| +42% | +$23.1K |
|
6504
CALL
Equity Lifestyle Properties
ELS
$12.6B
| $49K | ﹤0.01% |
700
+600
| +600% | +$44.8K |
|
6505
CALL
Evolution Petroleum
EPM
$132M
| $49K | ﹤0.01% |
9,000
+5,300
| +143% | +$35.7K |
|
|
HEES
6506
PUT
DELISTED
H&E Equipment Services
HEES
| $49K | ﹤0.01% |
1,700
+700
| +70% | +$24.6K |
|
6507
CALL
IDEAYA Biosciences
IDYA
$3.42B
| $49K | ﹤0.01% |
+3,600
| New | +$40K |
|
|
IMMP
6508
Immutep
IMMP
$56.3M
| $49K | ﹤0.01% |
24,389
-1,552
| -6% | -$3.84K |
|
6509
PUT
Insperity
NSP
$1.93B
| $49K | ﹤0.01% |
500
+100
| +25% | +$9.91K |
|
6510
PDS Biotechnology
PDSB
$38.4M
| $49K | ﹤0.01% |
+13,426
| New | +$63.8K |
|
|
SGMO
6511
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
| $49K | ﹤0.01% |
11,994
-30,546
| -72% | -$132K |
|
6512
TFS Financial
TFSL
$5.16B
| $49K | ﹤0.01% |
3,577
-4,519
| -56% | -$66.5K |
|
6513
Direxion Daily 7-10 Year Treasury Bear 3X ETF
TYO
$12.5M
| $49K | ﹤0.01% |
4,300
-7,609
| -64% | -$87.4K |
|
6514
CALL
US Commodity Index
USCI
$369M
| $49K | ﹤0.01% |
900
+600
| +200% | +$35.1K |
|
6515
Xos
XOS
$28.8M
| $49K | ﹤0.01% |
+896
| New | +$71.6K |
|
6516
CALL
Zumiez
ZUMZ
$332M
| $49K | ﹤0.01% |
1,900
+600
| +46% | +$20.2K |
|
6517
CALL
Arq
ARQ
$84.6M
| $49K | ﹤0.01% |
+10,600
| New | +$57.7K |
|
|
PAYA
6518
CALL
DELISTED
Paya Holdings Inc. Class A Common Stock
PAYA
| $49K | ﹤0.01% |
7,600
+100
| +1% | +$563 |
|
|
EMKR
6519
DELISTED
Emcore Corp
EMKR
| $49K | ﹤0.01% |
1,615
+1,014
| +169% | +$34.1K |
|
6520
Ameris Bancorp
ABCB
$5.85B
| $48K | ﹤0.01% |
1,213
+535
| +79% | +$22.7K |
|
6521
PUT
Alector
ALEC
$168M
| $48K | ﹤0.01% |
4,800
-15,000
| -76% | -$150K |
|
6522
PUT
Allegion
ALLE
$13.4B
| $48K | ﹤0.01% |
500
+100
| +25% | +$10.9K |
|
6523
PUT
Ardagh Metal Packaging
AMBP
$2.83B
| $48K | ﹤0.01% |
8,000
+2,900
| +57% | +$19.6K |
|
6524
PUT
Ardelyx
ARDX
$1.22B
| $48K | ﹤0.01% |
82,300
+16,300
| +25% | +$12K |
|
6525
PUT
Avery Dennison
AVY
$13B
| $48K | ﹤0.01% |
300
| – | – |
|
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.