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 | |
|---|---|---|---|---|---|---|
5951
Barnes & Noble Education
BNED
$447M
| $75K | ﹤0.01% |
257
+216
| +527% | +$62.7K |
|
5952
Direxion Auspice Broad Commodity Strategy ETF
COM
$205M
| $75K | ﹤0.01% |
+2,437
| New | +$81.7K |
|
|
CRESY
5953
PUT
Cresud
CRESY
$796M
| $75K | ﹤0.01% |
15,613
+7,078
| +83% | +$47.2K |
|
5954
PUT
GoodRx Holdings
GDRX
$1.07B
| $75K | ﹤0.01% |
12,700
-61,500
| -83% | -$684K |
|
5955
PUT
SS&C Technologies
SSNC
$18.6B
| $75K | ﹤0.01% |
1,300
+500
| +63% | +$32.1K |
|
|
NSLR
5956
CALL
Neostellar Capital Corp
NSLR
$278M
| $75K | ﹤0.01% |
11,800
-5,100
| -30% | -$39.4K |
|
|
CCMP
5957
DELISTED
CMC Materials, Inc. Common Stock
CCMP
| $75K | ﹤0.01% |
433
-621
| -59% | -$110K |
|
5958
Acadia Pharmaceuticals
ACAD
$4.39B
| $74K | ﹤0.01% |
5,300
-11,800
| -69% | -$220K |
|
5959
PUT
Beam Global
BEEM
$24.2M
| $74K | ﹤0.01% |
4,800
-5,000
| -51% | -$86.1K |
|
5960
PUT
Bakkt Inc
BKKT
$329M
| $74K | ﹤0.01% |
1,420
-3,288
| -70% | -$277K |
|
5961
CALL
CBAK Energy Technology Ltd
CBAT
$44M
| $74K | ﹤0.01% |
69,400
+900
| +1% | +$1.04K |
|
5962
Lloyds Banking Group
LYG
$90.8B
| $74K | ﹤0.01% |
36,394
-42,335
| -54% | -$93.4K |
|
5963
CALL
Natera
NTRA
$38.7B
| $74K | ﹤0.01% |
2,100
-37,600
| -95% | -$1.39M |
|
5964
PUT
Ooma
OOMA
$590M
| $74K | ﹤0.01% |
+6,300
| New | +$83.6K |
|
5965
PUT
One Stop Systems
OSS
$323M
| $74K | ﹤0.01% |
18,900
-8,800
| -32% | -$37.5K |
|
5966
CALL
Preferred Bank
PFBC
$1.26B
| $74K | ﹤0.01% |
+1,100
| New | +$75.3K |
|
5967
Sylvamo
SLVM
$1.52B
| $74K | ﹤0.01% |
+2,288
| New | +$96K |
|
|
WPRT
5968
PUT
Westport Fuel Systems
WPRT
$33.4M
| $74K | ﹤0.01% |
7,360
-190
| -3% | -$2.35K |
|
|
ZY
5969
DELISTED
Zymergen Inc. Common Stock
ZY
| $74K | ﹤0.01% |
60,461
-20,290
| -25% | -$34K |
|
|
NSR
5970
CALL
DELISTED
Nomad Royalty Company Ltd.
NSR
| $74K | ﹤0.01% |
10,500
+2,100
| +25% | +$16.2K |
|
|
ADN
5971
PUT
DELISTED
Advent Technologies
ADN
| $73K | ﹤0.01% |
970
+420
| +76% | +$25.4K |
|
5972
CALL
CAE Inc. Common Shares
CAE
$8.51B
| $73K | ﹤0.01% |
3,000
-5,500
| -65% | -$136K |
|
|
CAN
5973
PUT
Canaan Creative
CAN
$132M
| $73K | ﹤0.01% |
22,900
-62,500
| -73% | -$236K |
|
5974
CALL
DT Midstream
DTM
$13.8B
| $73K | ﹤0.01% |
1,500
+800
| +114% | +$43.7K |
|
|
HOUS
5975
PUT
DELISTED
Anywhere Real Estate
HOUS
| $73K | ﹤0.01% |
7,500
-900
| -11% | -$10.6K |
|
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.