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 | |
|---|---|---|---|---|---|---|
1776
PUT
Arbor Realty Trust
ABR
$960M
| $2.19M | ﹤0.01% |
166,900
+70,700
| +73% | +$1.14M |
|
|
VSTO
1777
PUT
DELISTED
Vista Outdoor Inc.
VSTO
| $2.18M | ﹤0.01% |
78,300
-95,100
| -55% | -$3.39M |
|
|
FITB
1778
PUT
Fifth Third Bancorp
FITB
$52B
| $2.18M | ﹤0.01% |
64,800
-9,200
| -12% | -$346K |
|
|
PIPP
1779
CALL
DELISTED
Pine Island Acquisition Corp.
PIPP
| $2.18M | ﹤0.01% |
220,600
+34,300
| +18% | +$338K |
|
1780
CALL
Blackstone Mortgage Trust
BXMT
$2.82B
| $2.17M | ﹤0.01% |
78,600
-156,700
| -67% | -$4.74M |
|
1781
PUT
LKQ Corp
LKQ
$6.58B
| $2.17M | ﹤0.01% |
44,200
+33,800
| +325% | +$1.66M |
|
1782
PUT
Tandem Diabetes Care
TNDM
$1.17B
| $2.17M | ﹤0.01% |
36,600
+28,400
| +346% | +$2.33M |
|
|
WOW
1783
PUT
DELISTED
WideOpenWest
WOW
| $2.17M | ﹤0.01% |
119,000
+47,200
| +66% | +$949K |
|
1784
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.35B
| $2.16M | ﹤0.01% |
63,302
-380,159
| -86% | -$11.9M |
|
1785
Vistra
VST
$55.1B
| $2.16M | ﹤0.01% |
94,655
+535
| +0.6% | +$13.2K |
|
1786
CALL
TE Connectivity
TEL
$58.8B
| $2.16M | ﹤0.01% |
19,100
+4,600
| +32% | +$570K |
|
1787
CoreCivic
CXW
$3.1B
| $2.15M | ﹤0.01% |
193,953
+38,620
| +25% | +$466K |
|
1788
Otis Worldwide
OTIS
$27.4B
| $2.15M | ﹤0.01% |
30,481
+23,702
| +350% | +$1.75M |
|
1789
PUT
C3.ai
AI
$1.27B
| $2.15M | ﹤0.01% |
117,800
-90,400
| -43% | -$1.66M |
|
1790
PUT
Nasdaq
NDAQ
$51.5B
| $2.15M | ﹤0.01% |
42,300
+15,000
| +55% | +$794K |
|
1791
PUT
Lattice Semiconductor
LSCC
$17.6B
| $2.15M | ﹤0.01% |
44,300
-40,700
| -48% | -$2.03M |
|
1792
PUT
Celsius Holdings
CELH
$6.93B
| $2.15M | ﹤0.01% |
98,700
+18,000
| +22% | +$347K |
|
1793
PUT
Annaly Capital Management
NLY
$16.9B
| $2.14M | ﹤0.01% |
90,725
-3,650
| -4% | -$94.6K |
|
|
SPR
1794
PUT
DELISTED
Spirit AeroSystems
SPR
| $2.14M | ﹤0.01% |
73,200
-63,400
| -46% | -$2.27M |
|
1795
PUT
JB Hunt Transport Services
JBHT
$27.1B
| $2.14M | ﹤0.01% |
13,600
+9,200
| +209% | +$1.56M |
|
1796
PUT
Tanger
SKT
$4.82B
| $2.14M | ﹤0.01% |
150,600
+18,200
| +14% | +$302K |
|
1797
PUT
Parker-Hannifin
PH
$125B
| $2.14M | ﹤0.01% |
8,700
-1,700
| -16% | -$455K |
|
1798
CALL
Teledyne Technologies
TDY
$30.4B
| $2.14M | ﹤0.01% |
5,700
+2,900
| +104% | +$1.21M |
|
1799
CALL
Huntington Bancshares
HBAN
$35.1B
| $2.14M | ﹤0.01% |
177,700
-211,100
| -54% | -$2.8M |
|
|
AXON
1800
CALL
Axon Enterprise
AXON
$40.5B
| $2.13M | ﹤0.01% |
22,900
+12,300
| +116% | +$1.3M |
|
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.