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 | |
|---|---|---|---|---|---|---|
1676
PUT
Texas Roadhouse
TXRH
$12.7B
| $2.45M | ﹤0.01% |
33,500
-37,300
| -53% | -$2.93M |
|
1677
CALL
Quanta Services
PWR
$93.9B
| $2.44M | ﹤0.01% |
19,500
-5,800
| -23% | -$712K |
|
|
SNV
1678
CALL
DELISTED
Synovus
SNV
| $2.43M | ﹤0.01% |
67,500
+44,600
| +195% | +$1.85M |
|
1679
Pan American Silver
PAAS
$18.6B
| $2.43M | ﹤0.01% |
123,683
+71,062
| +135% | +$1.7M |
|
1680
PUT
Franklin Resources
BEN
$16.9B
| $2.42M | ﹤0.01% |
103,700
+91,700
| +764% | +$2.35M |
|
1681
Ambarella
AMBA
$2.99B
| $2.42M | ﹤0.01% |
36,910
+20,460
| +124% | +$1.65M |
|
|
VYGG
1682
CALL
DELISTED
Vy Global Growth
VYGG
| $2.4M | ﹤0.01% |
242,400
+20,200
| +9% | +$200K |
|
1683
CALL
Wabtec
WAB
$51.1B
| $2.4M | ﹤0.01% |
29,200
-16,700
| -36% | -$1.49M |
|
1684
PUT
Allstate
ALL
$66.9B
| $2.4M | ﹤0.01% |
18,900
+5,000
| +36% | +$655K |
|
1685
PUT
Algoma Steel
ASTL
$455M
| $2.39M | ﹤0.01% |
+266,200
| New | +$2.56M |
|
|
CNR
1686
CALL
Core Natural Resources Inc
CNR
$4.19B
| $2.38M | ﹤0.01% |
48,300
+20,400
| +73% | +$993K |
|
1687
CALL
Factset
FDS
$9.05B
| $2.38M | ﹤0.01% |
6,200
+1,800
| +41% | +$705K |
|
1688
CALL
Bloomin' Brands
BLMN
$680M
| $2.38M | ﹤0.01% |
143,400
-7,000
| -5% | -$142K |
|
1689
PUT
CoreCivic
CXW
$3.1B
| $2.38M | ﹤0.01% |
214,500
+155,600
| +264% | +$1.88M |
|
|
HCP
1690
PUT
DELISTED
HashiCorp, Inc. Class A Common Stock
HCP
| $2.38M | ﹤0.01% |
80,900
+75,500
| +1,398% | +$3.05M |
|
|
CTLT
1691
PUT
DELISTED
CATALENT, INC.
CTLT
| $2.38M | ﹤0.01% |
22,200
+10,600
| +91% | +$1.08M |
|
|
DAWN
1692
DELISTED
Day One Biopharmaceuticals
DAWN
| $2.38M | ﹤0.01% |
+132,926
| New | +$1.37M |
|
1693
CALL
Ternium
TX
$9.29B
| $2.38M | ﹤0.01% |
65,900
-54,700
| -45% | -$2.32M |
|
1694
PUT
Ryder
R
$10.3B
| $2.37M | ﹤0.01% |
33,400
+26,300
| +370% | +$1.93M |
|
|
SAGE
1695
PUT
DELISTED
Sage Therapeutics
SAGE
| $2.37M | ﹤0.01% |
73,400
-3,000
| -4% | -$101K |
|
|
PPL
1696
CALL
PPL Corp
PPL
$27.3B
| $2.37M | ﹤0.01% |
87,300
+61,700
| +241% | +$1.77M |
|
1697
CALL
Ollie's Bargain Outlet
OLLI
$4.01B
| $2.37M | ﹤0.01% |
40,300
+25,300
| +169% | +$1.28M |
|
1698
PUT
Hasbro
HAS
$12.6B
| $2.37M | ﹤0.01% |
28,900
-63,000
| -69% | -$5.46M |
|
|
ELME
1699
PUT
Elme Communities
ELME
$132M
| $2.37M | ﹤0.01% |
111,000
-5,200
| -4% | -$124K |
|
1700
PUT
Appian
APPN
$1.74B
| $2.36M | ﹤0.01% |
49,900
+18,600
| +59% | +$935K |
|
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.