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 | |
|---|---|---|---|---|---|---|
|
SAND
2351
CALL
DELISTED
Sandstorm Gold
SAND
| $1.31M | ﹤0.01% |
254,400
+44,500
| +21% | +$260K |
|
2352
PUT
Corteva
CTVA
$58.7B
| $1.31M | ﹤0.01% |
23,000
+8,900
| +63% | +$519K |
|
2353
CALL
Corsair Gaming
CRSR
$1.09B
| $1.31M | ﹤0.01% |
115,600
-16,600
| -13% | -$238K |
|
2354
PUT
ICL Group
ICL
$6.67B
| $1.31M | ﹤0.01% |
160,000
-7,300
| -4% | -$68.2K |
|
2355
Jazz Pharmaceuticals
JAZZ
$15.9B
| $1.31M | ﹤0.01% |
9,807
+3,955
| +68% | +$601K |
|
2356
PUT
Yelp
YELP
$1.46B
| $1.3M | ﹤0.01% |
38,400
+19,100
| +99% | +$632K |
|
2357
PUT
Ares Capital
ARCC
$13.6B
| $1.3M | ﹤0.01% |
77,100
+51,400
| +200% | +$994K |
|
2358
AES
AES
$10.6B
| $1.3M | ﹤0.01% |
+57,406
| New | +$1.36M |
|
|
SRG
2359
PUT
Seritage Growth Properties
SRG
$134M
| $1.3M | ﹤0.01% |
143,800
+43,200
| +43% | +$494K |
|
2360
CALL
LendingTree
TREE
$562M
| $1.3M | ﹤0.01% |
54,400
+51,600
| +1,843% | +$2.01M |
|
|
TEN
2361
CALL
DELISTED
Tenneco Inc. Class A Voting Common Stock
TEN
| $1.29M | ﹤0.01% |
74,500
-1,000
| -1% | -$18.8K |
|
|
VZIO
2362
CALL
DELISTED
VIZIO Holding Corp.
VZIO
| $1.29M | ﹤0.01% |
148,200
+1,600
| +1% | +$16.1K |
|
2363
PUT
GFL Environmental
GFL
$14.2B
| $1.29M | ﹤0.01% |
51,200
-16,800
| -25% | -$465K |
|
|
SWTX
2364
CALL
DELISTED
SpringWorks Therapeutics
SWTX
| $1.29M | ﹤0.01% |
45,200
+41,800
| +1,229% | +$1.2M |
|
2365
PUT
Otis Worldwide
OTIS
$27.8B
| $1.29M | ﹤0.01% |
20,200
-67,800
| -77% | -$4.96M |
|
2366
CALL
IQVIA
IQV
$35.3B
| $1.29M | ﹤0.01% |
7,100
+200
| +3% | +$43.8K |
|
|
VRN
2367
DELISTED
Veren
VRN
| $1.29M | ﹤0.01% |
208,827
+106,230
| +104% | +$758K |
|
2368
PUT
Hormel Foods
HRL
$14.3B
| $1.28M | ﹤0.01% |
28,300
+11,800
| +72% | +$570K |
|
|
RVNC
2369
DELISTED
Revance Therapeutics, Inc.
RVNC
| $1.28M | ﹤0.01% |
47,601
+31,375
| +193% | +$636K |
|
2370
PUT
Alliance Resource Partners
ARLP
$3.28B
| $1.28M | ﹤0.01% |
56,100
+7,300
| +15% | +$167K |
|
2371
CALL
Warrior Met Coal
HCC
$4.26B
| $1.28M | ﹤0.01% |
44,900
-17,300
| -28% | -$532K |
|
2372
CALL
First Citizens BancShares
FCNCA
$24.5B
| $1.27M | ﹤0.01% |
1,600
-800
| -33% | -$625K |
|
2373
PUT
Magna International
MGA
$18B
| $1.27M | ﹤0.01% |
26,900
-79,300
| -75% | -$4.62M |
|
2374
PUT
Toast
TOST
$17.8B
| $1.27M | ﹤0.01% |
76,300
-34,700
| -31% | -$602K |
|
2375
CALL
Milestone Pharmaceuticals
MIST
$143M
| $1.27M | ﹤0.01% |
138,700
+137,800
| +15,311% | +$1.05M |
|
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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.