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 |
Apple
AAPL
|
+$286M |
| 2 |
Vanguard S&P 500 ETF
VOO
|
+$82.3M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$72.6M |
| 4 |
Alphabet (Google) Class C
GOOG
|
+$64.2M |
| 5 |
Intel
INTC
|
+$52.9M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$51.5M |
| 2 |
iShares Silver Trust
SLV
|
+$41.8M |
| 3 |
Ford
F
|
+$26.3M |
| 4 |
United Airlines
UAL
|
+$22.7M |
| 5 |
ExxonMobil
XOM
|
+$22.3M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.84% |
| 2 | Communication Services | 0.32% |
| 3 | Consumer Discretionary | 0.32% |
| 4 | Financials | 0.28% |
| 5 | Healthcare | 0.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
MITT
4401
CALL
TPG Mortgage Investment Trust
MITT
$225M
| $236K | ﹤0.01% |
35,000
+7,900
| +29% | +$60.7K |
|
4402
PUT
Navient
NAVI
$794M
| $236K | ﹤0.01% |
16,900
-800
| -5% | -$12.4K |
|
|
SILK
4403
CALL
DELISTED
Silk Road Medical, Inc. Common Stock
SILK
| $236K | ﹤0.01% |
6,500
+3,300
| +103% | +$120K |
|
|
IPOD
4404
PUT
DELISTED
Social Capital Hedosophia Holdings Corp. IV
IPOD
| $236K | ﹤0.01% |
23,800
+13,100
| +122% | +$132K |
|
4405
PUT
FTI Consulting
FCN
$4.95B
| $235K | ﹤0.01% |
+1,300
| New | +$214K |
|
4406
PUT
ITT
ITT
$17.3B
| $235K | ﹤0.01% |
3,500
-47,600
| -93% | -$3.39M |
|
|
SJT
4407
San Juan Basin Royalty Trust
SJT
$120M
| $235K | ﹤0.01% |
27,118
-49,720
| -65% | -$540K |
|
|
SPTN
4408
DELISTED
SpartanNash
SPTN
| $235K | ﹤0.01% |
7,793
-17,279
| -69% | -$573K |
|
4409
CALL
TriplePoint Venture Growth BDC
TPVG
$185M
| $235K | ﹤0.01% |
18,500
-8,400
| -31% | -$127K |
|
4410
Ventas
VTR
$44.7B
| $235K | ﹤0.01% |
4,586
-69,319
| -94% | -$3.88M |
|
4411
Teucrium Wheat Fund
WEAT
$294M
| $235K | ﹤0.01% |
5,215
-37,933
| -88% | -$2.05M |
|
4412
CALL
XWELL
XWEL
$9.2M
| $235K | ﹤0.01% |
17,085
-1,630
| -9% | -$28.7K |
|
4413
PUT
BridgeBio Pharma
BBIO
$16.1B
| $234K | ﹤0.01% |
25,800
+15,300
| +146% | +$128K |
|
4414
PUT
Dine Brands
DIN
$457M
| $234K | ﹤0.01% |
3,600
+400
| +13% | +$28.6K |
|
4415
NiSource
NI
$21.6B
| $234K | ﹤0.01% |
7,942
+6,124
| +337% | +$185K |
|
4416
PUT
Solid Power
SLDP
$463M
| $234K | ﹤0.01% |
43,500
-7,200
| -14% | -$56.2K |
|
4417
CALL
Simply Good Foods
SMPL
$918M
| $234K | ﹤0.01% |
6,200
+5,900
| +1,967% | +$234K |
|
|
LUCK
4418
PUT
Lucky Strike Entertainment
LUCK
$959M
| $234K | ﹤0.01% |
+22,100
| New | +$235K |
|
4419
PUT
Banco Bilbao Vizcaya Argentaria
BBVA
$152B
| $233K | ﹤0.01% |
+51,700
| New | +$262K |
|
|
HDSN
4420
CALL
Hudson Technologies
HDSN
$244M
| $233K | ﹤0.01% |
31,100
+20,500
| +193% | +$169K |
|
4421
PUT
G-III Apparel Group
GIII
$1.55B
| $232K | ﹤0.01% |
11,500
+2,500
| +28% | +$63.1K |
|
4422
CALL
ThredUp
TDUP
$757M
| $232K | ﹤0.01% |
92,900
-18,800
| -17% | -$101K |
|
4423
CALL
Core Laboratories
CLB
$477M
| $231K | ﹤0.01% |
11,700
-1,500
| -11% | -$39.8K |
|
4424
PUT
DHT Holdings
DHT
$2.99B
| $231K | ﹤0.01% |
37,800
-4,100
| -10% | -$24.1K |
|
4425
Knight Transportation
KNX
$11.3B
| $231K | ﹤0.01% |
4,997
+3,231
| +183% | +$153K |
|
Similar funds
Simplex Trading's Q2 2022 Portfolio in Review
As of Q2 2022, Simplex Trading held 11,810 positions worth $94.1B, down 14% from $109B the previous quarter. Its ten largest holdings account for 40% of the portfolio.
Simplex Trading deployed $11.3B of net new capital in Q2 2022, opening 1,405 new positions and adding to 4,027 existing holdings. Its largest new stake was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
By sector, the portfolio is most concentrated in Technology at 0.84% of assets, up from 0.67% a quarter earlier, followed by Communication Services and Consumer Discretionary.
On the sell side, the largest reduction was United Airlines, an estimated $22.7M trimmed.
- Simplex Trading's largest Q2 2022 buy was Alphabet (Google) Class C: 543,540 shares worth $59.4M.
- Simplex Trading added most to Apple in Q2 2022, an estimated $286M increase.
- Simplex Trading's biggest Q2 2022 reduction was United Airlines, cutting an estimated $22.7M.
- Simplex Trading fully exited State Street SPDR S&P 500 ETF Trust in Q2 2022, selling an estimated $51.5M.
- Simplex Trading's ten largest holdings make up 40% of its $94.1B portfolio in Q2 2022.
- Simplex Trading opened 1,405 new positions and closed 1,792 in Q2 2022.
- Simplex Trading's portfolio value fell 14% quarter-over-quarter to $94.1B.
Based on Simplex Trading's 13F filing for Q2 2022, filed 3 Aug 2022.