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 |
NVIDIA
NVDA
|
+$93M |
| 2 |
Citigroup
C
|
+$74.8M |
| 3 |
Pinduoduo
PDD
|
+$50.7M |
| 4 |
Intel
INTC
|
+$47.1M |
| 5 |
Broadcom
AVGO
|
+$46.2M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Energy Select Sector SPDR ETF
XLE
|
+$94.5M |
| 2 |
Pfizer
PFE
|
+$66.4M |
| 3 |
Boeing
BA
|
+$61.6M |
| 4 |
PayPal
PYPL
|
+$42.2M |
| 5 |
GE Aerospace
GE
|
+$42M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.53% |
| 2 | Consumer Discretionary | 0.29% |
| 3 | Healthcare | 0.21% |
| 4 | Financials | 0.2% |
| 5 | Materials | 0.12% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2626
Crescent Energy
CRGY
$3.72B
| $1.32M | ﹤0.01% |
111,115
+86,667
| +354% | +$1.02M |
|
2627
CALL
ODDITY Tech
ODD
$708M
| $1.31M | ﹤0.01% |
33,500
+18,400
| +122% | +$685K |
|
2628
CALL
Wolverine World Wide
WWW
$1.54B
| $1.31M | ﹤0.01% |
97,300
+93,000
| +2,163% | +$1.12M |
|
|
FFAI
2629
CALL
Faraday Future Intelligent Electric
FFAI
$15.8M
| $1.31M | ﹤0.01% |
433
+366
| +546% | +$855K |
|
2630
PUT
Ramaco Resources Class A
METC
$676M
| $1.31M | ﹤0.01% |
109,044
-42,790
| -28% | -$595K |
|
2631
TechnipFMC
FTI
$30.6B
| $1.31M | ﹤0.01% |
50,186
+20,245
| +68% | +$522K |
|
2632
PUT
Eversource Energy
ES
$28.2B
| $1.31M | ﹤0.01% |
23,100
-72,300
| -76% | -$4.29M |
|
2633
PUT
Raymond James Financial
RJF
$32.5B
| $1.31M | ﹤0.01% |
10,600
-7,600
| -42% | -$938K |
|
2634
PUT
HF Sinclair
DINO
$15.9B
| $1.31M | ﹤0.01% |
24,500
+4,600
| +23% | +$259K |
|
2635
CALL
Sunoco
SUN
$14.2B
| $1.31M | ﹤0.01% |
23,100
+18,400
| +391% | +$1M |
|
2636
CALL
MACOM Technology Solutions
MTSI
$20.4B
| $1.3M | ﹤0.01% |
11,700
+6,900
| +144% | +$704K |
|
2637
PUT
Varonis Systems
VRNS
$5.25B
| $1.3M | ﹤0.01% |
27,200
-6,500
| -19% | -$288K |
|
2638
Bausch Health
BHC
$1.65B
| $1.3M | ﹤0.01% |
187,080
-128,685
| -41% | -$974K |
|
2639
PUT
Centrus Energy
LEU
$3.22B
| $1.3M | ﹤0.01% |
30,500
+3,700
| +14% | +$164K |
|
2640
PUT
VICI Properties
VICI
$29.4B
| $1.3M | ﹤0.01% |
45,500
+4,800
| +12% | +$138K |
|
2641
PUT
Impinj
PI
$3.89B
| $1.3M | ﹤0.01% |
8,300
-1,000
| -11% | -$149K |
|
2642
Direxion Daily Small Cap Bull 3x ETF
TNA
$1.34B
| $1.3M | ﹤0.01% |
+35,426
| New | +$1.31M |
|
2643
CALL
Mid-America Apartment Communities
MAA
$15.6B
| $1.3M | ﹤0.01% |
9,100
+1,300
| +17% | +$174K |
|
2644
PUT
Howmet Aerospace
HWM
$116B
| $1.3M | ﹤0.01% |
16,700
-4,300
| -20% | -$326K |
|
2645
Nokia
NOK
$50.8B
| $1.3M | ﹤0.01% |
343,048
-31,627
| -8% | -$117K |
|
2646
CALL
JELD-WEN Holding
JELD
$94.8M
| $1.29M | ﹤0.01% |
96,200
-2,900
| -3% | -$48.4K |
|
2647
CALL
MGIC Investment
MTG
$6.27B
| $1.29M | ﹤0.01% |
60,100
+58,900
| +4,908% | +$1.22M |
|
2648
CALL
Henry Schein
HSIC
$9.74B
| $1.29M | ﹤0.01% |
20,200
-26,600
| -57% | -$1.87M |
|
2649
CALL
Gogo Inc
GOGO
$515M
| $1.29M | ﹤0.01% |
134,500
+7,200
| +6% | +$68.2K |
|
2650
CALL
OneSpan
OSPN
$562M
| $1.29M | ﹤0.01% |
100,900
+82,100
| +437% | +$987K |
|
Similar funds
Simplex Trading's Q2 2024 Portfolio in Review
As of Q2 2024, Simplex Trading held 10,213 positions worth $162B, down 6.5% from $173B the previous quarter. Its ten largest holdings account for 50% of the portfolio.
Simplex Trading withdrew a net $19.2B in Q2 2024, closing 1,431 positions and reducing 4,061 holdings. Its most notable exit was Boeing, an estimated $61.6M position sold in full.
By sector, the portfolio is most concentrated in Technology at 0.53% of assets, up from 0.38% a quarter earlier, followed by Consumer Discretionary and Healthcare.
Against the trend, Simplex Trading opened a new position in Citigroup worth $77M.
- Simplex Trading's largest Q2 2024 buy was Citigroup: 1,213,247 shares worth $77M.
- Simplex Trading added most to NVIDIA in Q2 2024, an estimated $93M increase.
- Simplex Trading's biggest Q2 2024 reduction was State Street Energy Select Sector SPDR ETF, cutting an estimated $94.5M.
- Simplex Trading fully exited Boeing in Q2 2024, selling an estimated $61.6M.
- Simplex Trading's ten largest holdings make up 50% of its $162B portfolio in Q2 2024.
- Simplex Trading opened 1,358 new positions and closed 1,431 in Q2 2024.
- Simplex Trading's portfolio value fell 6.5% quarter-over-quarter to $162B.
Based on Simplex Trading's 13F filing for Q2 2024, filed 25 Jul 2024.