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 |
Microsoft
MSFT
|
+$114M |
| 2 |
NVIDIA
NVDA
|
+$85.9M |
| 3 |
Citigroup
C
|
+$61.5M |
| 4 |
Berkshire Hathaway Class B
BRK.B
|
+$45.5M |
| 5 |
Pfizer
PFE
|
+$41.6M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$467M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$71.2M |
| 3 |
Meta Platforms (Facebook)
META
|
+$47.6M |
| 4 |
Intel
INTC
|
+$41.9M |
| 5 |
TSMC
TSM
|
+$35.9M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.51% |
| 2 | Financials | 0.35% |
| 3 | Consumer Discretionary | 0.3% |
| 4 | Healthcare | 0.25% |
| 5 | Industrials | 0.18% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2301
PUT
Levi Strauss
LEVI
$9.69B
| $1.4M | ﹤0.01% |
96,700
+74,900
| +344% | +$1.34M |
|
2302
CALL
Ollie's Bargain Outlet
OLLI
$4.06B
| $1.4M | ﹤0.01% |
27,100
-13,200
| -33% | -$816K |
|
|
VRN
2303
PUT
DELISTED
Veren
VRN
| $1.4M | ﹤0.01% |
226,800
+93,000
| +70% | +$664K |
|
2304
CALL
Verra Mobility
VRRM
$626M
| $1.39M | ﹤0.01% |
90,600
-50,800
| -36% | -$824K |
|
|
BIG
2305
PUT
DELISTED
Big Lots, Inc.
BIG
| $1.39M | ﹤0.01% |
89,200
+59,800
| +203% | +$1.29M |
|
2306
PUT
IPG Photonics
IPGP
$3.76B
| $1.39M | ﹤0.01% |
16,500
-400
| -2% | -$38K |
|
2307
CALL
Republic Services
RSG
$67.4B
| $1.39M | ﹤0.01% |
10,200
+3,800
| +59% | +$531K |
|
2308
PUT
Expeditors International
EXPD
$22.6B
| $1.39M | ﹤0.01% |
15,700
+10,200
| +185% | +$1.02M |
|
2309
PUT
SandRidge Energy
SD
$498M
| $1.38M | ﹤0.01% |
84,900
+5,200
| +7% | +$93.9K |
|
|
STOR
2310
CALL
DELISTED
STORE Capital Corporation
STOR
| $1.38M | ﹤0.01% |
44,100
-75,700
| -63% | -$2.15M |
|
2311
PUT
Alaska Air
ALK
$5.27B
| $1.38M | ﹤0.01% |
35,200
-15,400
| -30% | -$676K |
|
2312
CALL
Gen Digital
GEN
$16B
| $1.38M | ﹤0.01% |
68,400
+41,600
| +155% | +$962K |
|
2313
CALL
Meritage Homes
MTH
$4.89B
| $1.38M | ﹤0.01% |
39,200
+33,600
| +600% | +$1.36M |
|
2314
Lithia Motors
LAD
$7.91B
| $1.38M | ﹤0.01% |
6,413
+4,193
| +189% | +$1.1M |
|
|
2315
CALL
Lithia Motors
LAD
$7.91B
| $1.37M | ﹤0.01% |
6,400
-8,900
| -58% | -$2.33M |
|
2316
CALL
Pacer Trendpilot US Large Cap ETF
PTLC
$3.23B
| $1.37M | ﹤0.01% |
33,900
+30,800
| +994% | +$1.16M |
|
2317
CALL
SFL Corp
SFL
$1.57B
| $1.37M | ﹤0.01% |
150,700
+16,000
| +12% | +$162K |
|
|
CRON
2318
Cronos Group
CRON
$1.04B
| $1.37M | ﹤0.01% |
485,412
+243,337
| +101% | +$750K |
|
|
PPLI
2319
CALL
People Inc
PPLI
$3.13B
| $1.37M | ﹤0.01% |
30,109
+18,894
| +168% | +$1.06M |
|
2320
PUT
International Money Express
IMXI
$388M
| $1.36M | ﹤0.01% |
+59,900
| New | +$1.41M |
|
2321
PUT
Oxford Industries
OXM
$586M
| $1.36M | ﹤0.01% |
15,200
+14,200
| +1,420% | +$1.37M |
|
2322
PUT
Natera
NTRA
$37.2B
| $1.36M | ﹤0.01% |
31,100
+5,200
| +20% | +$248K |
|
2323
PUT
Weyerhaeuser
WY
$17.4B
| $1.36M | ﹤0.01% |
47,700
-47,700
| -50% | -$1.62M |
|
2324
PUT
Corning
GLW
$120B
| $1.36M | ﹤0.01% |
46,900
-100,600
| -68% | -$3.41M |
|
2325
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$18B
| $1.36M | ﹤0.01% |
153,606
+142,089
| +1,234% | +$2.21M |
|
Similar funds
Simplex Trading's Q3 2022 Portfolio in Review
As of Q3 2022, Simplex Trading held 11,570 positions worth $88.5B, down 6% from $94.1B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
Simplex Trading's Q3 2022 filing shows 1,564 new, 4,281 increased, 3,851 reduced and 1,575 closed positions. Its largest new stake was Microsoft: 432,062 shares worth $101M. The largest sale was Apple, an estimated $467M.
By sector, the portfolio is most concentrated in Technology at 0.51% of assets, down from 0.84% a quarter earlier, followed by Financials and Consumer Discretionary.
- Simplex Trading's largest Q3 2022 buy was Microsoft: 432,062 shares worth $101M.
- Simplex Trading added most to NVIDIA in Q3 2022, an estimated $85.9M increase.
- Simplex Trading's biggest Q3 2022 reduction was Apple, cutting an estimated $467M.
- Simplex Trading fully exited iShares Core S&P 500 ETF in Q3 2022, selling an estimated $34.3M.
- Simplex Trading's ten largest holdings make up 38% of its $88.5B portfolio in Q3 2022.
- Simplex Trading opened 1,564 new positions and closed 1,575 in Q3 2022.
- Simplex Trading's portfolio value fell 6% quarter-over-quarter to $88.5B.
Based on Simplex Trading's 13F filing for Q3 2022, filed 4 Nov 2022.