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 | |
|---|---|---|---|---|---|---|
2576
CALL
IQVIA
IQV
$34.7B
| $1.37M | ﹤0.01% |
6,500
-22,100
| -77% | -$5.02M |
|
|
JNPR
2577
PUT
DELISTED
Juniper Networks
JNPR
| $1.37M | ﹤0.01% |
37,700
-10,400
| -22% | -$369K |
|
2578
Tapestry
TPR
$28.8B
| $1.37M | ﹤0.01% |
+32,130
| New | +$1.34M |
|
2579
PUT
BorgWarner
BWA
$13.2B
| $1.37M | ﹤0.01% |
42,600
-11,600
| -21% | -$402K |
|
|
LNW
2580
CALL
DELISTED
Light & Wonder
LNW
| $1.37M | ﹤0.01% |
13,100
+2,500
| +24% | +$239K |
|
|
CERE
2581
CALL
DELISTED
Cerevel Therapeutics Holdings, Inc. Common Stock
CERE
| $1.37M | ﹤0.01% |
33,600
-14,500
| -30% | -$604K |
|
2582
CALL
Boston Beer
SAM
$1.88B
| $1.37M | ﹤0.01% |
4,500
-7,800
| -63% | -$2.23M |
|
2583
CALL
Evolv Technologies
EVLV
$943M
| $1.37M | ﹤0.01% |
537,600
-101,800
| -16% | -$337K |
|
2584
PUT
Fabrinet
FN
$17.1B
| $1.37M | ﹤0.01% |
5,600
-5,700
| -50% | -$1.21M |
|
2585
CALL
Return Stacked Bonds & Managed Futures ETF
RSBT
$137M
| $1.37M | ﹤0.01% |
84,800
-16,700
| -16% | -$303K |
|
2586
CALL
Tetra Tech
TTEK
$8.23B
| $1.37M | ﹤0.01% |
33,500
+1,500
| +5% | +$61.1K |
|
|
K
2587
DELISTED
Kellanova
K
| $1.37M | ﹤0.01% |
+23,723
| New | +$1.4M |
|
2588
W.P. Carey
WPC
$17.1B
| $1.37M | ﹤0.01% |
+24,865
| New | +$1.4M |
|
2589
CALL
Urban Outfitters
URBN
$5.99B
| $1.37M | ﹤0.01% |
33,300
+17,200
| +107% | +$707K |
|
2590
Liberty Global Class A
LBTYA
$3.31B
| $1.36M | ﹤0.01% |
78,155
-6,699
| -8% | -$113K |
|
2591
Papa John's
PZZA
$999M
| $1.36M | ﹤0.01% |
28,998
+26,584
| +1,101% | +$1.46M |
|
2592
CALL
AvePoint
AVPT
$2.6B
| $1.36M | ﹤0.01% |
130,400
+101,000
| +344% | +$876K |
|
|
VTLE
2593
PUT
DELISTED
Vital Energy
VTLE
| $1.36M | ﹤0.01% |
30,300
-12,800
| -30% | -$638K |
|
2594
CALL
Primoris Services
PRIM
$4.69B
| $1.36M | ﹤0.01% |
27,200
+12,900
| +90% | +$638K |
|
2595
BHP
BHP
$213B
| $1.36M | ﹤0.01% |
23,766
+18,065
| +317% | +$1.05M |
|
2596
PUT
Penske Automotive Group
PAG
$14.3B
| $1.36M | ﹤0.01% |
9,100
+400
| +5% | +$60.8K |
|
|
GRFS
2597
PUT
Grifois
GRFS
$5.16B
| $1.35M | ﹤0.01% |
214,900
+116,600
| +119% | +$810K |
|
|
METD
2598
CALL
Direxion Daily META Bear 1X ETF
METD
$8.53M
| $1.35M | ﹤0.01% |
+21,600
| New | +$512K |
|
2599
CALL
Commault Systems
CVLT
$5.89B
| $1.35M | ﹤0.01% |
11,100
-100
| -0.9% | -$10.7K |
|
2600
US Global Jets ETF
JETS
$802M
| $1.35M | ﹤0.01% |
68,665
-115,177
| -63% | -$2.33M |
|
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.