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 | |
|---|---|---|---|---|---|---|
3826
ArcBest
ARCB
$3.15B
| $371K | ﹤0.01% |
5,282
-1,191
| -18% | -$87.6K |
|
|
MOMO
3827
CALL
Hello Group
MOMO
$867M
| $371K | ﹤0.01% |
73,600
-32,800
| -31% | -$172K |
|
|
LFTR
3828
CALL
DELISTED
Lefteris Acquisition Corp. Class A Common Stock
LFTR
| $371K | ﹤0.01% |
37,500
-18,500
| -33% | -$183K |
|
3829
CALL
Atossa Therapeutics
ATOS
$23M
| $370K | ﹤0.01% |
22,667
+7,067
| +45% | +$111K |
|
3830
CALL
Ceragon Networks
CRNT
$188M
| $370K | ﹤0.01% |
144,200
+115,700
| +406% | +$221K |
|
3831
CALL
Karyopharm Therapeutics
KPTI
$155M
| $370K | ﹤0.01% |
5,473
-2,120
| -28% | -$194K |
|
3832
CALL
Vail Resorts
MTN
$5.7B
| $370K | ﹤0.01% |
1,700
-4,100
| -71% | -$1M |
|
3833
PUT
EVgo
EVGO
$219M
| $369K | ﹤0.01% |
61,400
-182,000
| -75% | -$1.73M |
|
3834
Levi Strauss
LEVI
$9.49B
| $369K | ﹤0.01% |
+22,663
| New | +$409K |
|
3835
PUT
Portillo's
PTLO
$345M
| $369K | ﹤0.01% |
22,600
+16,800
| +290% | +$324K |
|
3836
CALL
Rekor Systems
REKR
$82.6M
| $369K | ﹤0.01% |
209,800
+138,700
| +195% | +$396K |
|
|
AMRS
3837
CALL
DELISTED
Amyris Inc.
AMRS
| $369K | ﹤0.01% |
199,700
-26,700
| -12% | -$78.6K |
|
3838
PUT
Wintrust Financial
WTFC
$10.7B
| $368K | ﹤0.01% |
+4,600
| New | +$396K |
|
3839
PUT
Calumet Specialty Products
CLMT
$3.7B
| $367K | ﹤0.01% |
35,400
+8,100
| +30% | +$108K |
|
3840
Fortuna Silver Mines
FSM
$2.54B
| $367K | ﹤0.01% |
129,421
-15,906
| -11% | -$55.4K |
|
3841
PUT
Imperial Oil
IMO
$62.3B
| $367K | ﹤0.01% |
7,800
-1,200
| -13% | -$61.3K |
|
3842
CALL
Redwire
RDW
$1.86B
| $367K | ﹤0.01% |
121,000
-24,600
| -17% | -$118K |
|
3843
PUT
Beazer Homes USA
BZH
$888M
| $366K | ﹤0.01% |
30,400
+27,600
| +986% | +$403K |
|
|
HYFT
3844
CALL
MindWalk Holdings
HYFT
$60.7M
| $366K | ﹤0.01% |
96,500
-43,000
| -31% | -$217K |
|
|
PEAR
3845
CALL
DELISTED
Pear Therapeutics, Inc. Class A Common Stock
PEAR
| $366K | ﹤0.01% |
+238,000
| New | +$931K |
|
|
BKI
3846
DELISTED
Black Knight, Inc. Common Stock
BKI
| $365K | ﹤0.01% |
5,588
-14,750
| -73% | -$993K |
|
3847
Gen Digital
GEN
$16.5B
| $364K | ﹤0.01% |
16,578
-73,759
| -82% | -$1.81M |
|
3848
CALL
National Fuel Gas
NFG
$7.69B
| $363K | ﹤0.01% |
5,500
+3,100
| +129% | +$217K |
|
3849
Retractable Technologies
RVP
$20.1M
| $362K | ﹤0.01% |
94,748
+91,008
| +2,433% | +$372K |
|
|
TMHC
3850
CALL
DELISTED
Taylor Morrison
TMHC
| $362K | ﹤0.01% |
15,500
+6,400
| +70% | +$170K |
|
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.