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 | |
|---|---|---|---|---|---|---|
1076
CALL
Nokia
NOK
$50.8B
| $5.99M | 0.01% |
1,403,500
+28,700
| +2% | +$139K |
|
1077
CALL
AB InBev
BUD
$158B
| $5.98M | 0.01% |
132,500
+19,900
| +18% | +$1.03M |
|
1078
PUT
Cintas
CTAS
$82.4B
| $5.98M | 0.01% |
61,600
-56,000
| -48% | -$5.72M |
|
|
FSR
1079
CALL
DELISTED
Fisker Inc.
FSR
| $5.97M | 0.01% |
791,300
+6,200
| +0.8% | +$55.9K |
|
1080
PUT
Futu Holdings
FUTU
$13.9B
| $5.97M | 0.01% |
160,100
-31,500
| -16% | -$1.37M |
|
1081
Boston Properties
BXP
$11B
| $5.97M | 0.01% |
+79,605
| New | +$6.77M |
|
1082
CALL
Invesco Mortgage Capital
IVR
$776M
| $5.96M | 0.01% |
536,600
-9,300
| -2% | -$145K |
|
1083
CALL
Wabtec
WAB
$51.1B
| $5.95M | 0.01% |
73,100
+43,900
| +150% | +$3.88M |
|
|
DENT
1084
CALL
DELISTED
AdvisorShares Dent Tactical ETF
DENT
| $5.94M | 0.01% |
655,600
+272,800
| +71% | +$2.47M |
|
|
VRAY
1085
PUT
DELISTED
ViewRay, Inc.
VRAY
| $5.93M | 0.01% |
1,630,500
+290,300
| +22% | +$974K |
|
1086
CALL
International Paper
IP
$22.3B
| $5.92M | 0.01% |
187,000
+114,100
| +157% | +$4.66M |
|
1087
PUT
Burlington
BURL
$22B
| $5.91M | 0.01% |
52,800
-7,800
| -13% | -$1.14M |
|
1088
PUT
International Flavors & Fragrances
IFF
$19.4B
| $5.9M | 0.01% |
65,000
+6,500
| +11% | +$745K |
|
1089
CALL
Corteva
CTVA
$59.7B
| $5.89M | 0.01% |
103,100
-23,300
| -18% | -$1.36M |
|
1090
PUT
Invesco CurrencyShares Canadian Dollar Trust
FXC
$69.2M
| $5.87M | 0.01% |
82,800
+75,500
| +1,034% | +$5.65M |
|
|
CPE
1091
PUT
DELISTED
Callon Petroleum Company
CPE
| $5.86M | 0.01% |
167,300
+500
| +0.3% | +$20K |
|
1092
PUT
Elanco Animal Health
ELAN
$12.4B
| $5.85M | 0.01% |
471,300
+353,500
| +300% | +$6.18M |
|
1093
PUT
Parker-Hannifin
PH
$125B
| $5.84M | 0.01% |
24,100
+15,400
| +177% | +$4.17M |
|
1094
CALL
Bunge Global
BG
$23.6B
| $5.84M | 0.01% |
70,700
-76,700
| -52% | -$7.14M |
|
|
KRTX
1095
CALL
DELISTED
Karuna Therapeutics, Inc. Common Stock
KRTX
| $5.83M | 0.01% |
25,900
-28,700
| -53% | -$5.81M |
|
1096
PUT
PENN Entertainment
PENN
$2.74B
| $5.82M | 0.01% |
211,600
-46,200
| -18% | -$1.49M |
|
|
CYBR
1097
CALL
DELISTED
CyberArk
CYBR
| $5.82M | 0.01% |
38,800
+28,200
| +266% | +$4.03M |
|
1098
CALL
Vistra
VST
$55.1B
| $5.8M | 0.01% |
276,100
-6,300
| -2% | -$152K |
|
|
NKLA
1099
CALL
DELISTED
Nikola Corporation Common Stock
NKLA
| $5.8M | 0.01% |
54,897
+22,244
| +68% | +$3.76M |
|
|
1100
CALL
Burlington
BURL
$22B
| $5.77M | 0.01% |
51,600
+27,100
| +111% | +$3.95M |
|
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.