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 | |
|---|---|---|---|---|---|---|
4276
Molson Coors Class B
TAP
$7.79B
| $261K | ﹤0.01% |
4,800
-13,667
| -74% | -$734K |
|
|
PETQ
4277
CALL
DELISTED
PetIQ, Inc. Class A Common Stock
PETQ
| $261K | ﹤0.01% |
15,600
+15,000
| +2,500% | +$275K |
|
|
WIRE
4278
DELISTED
Encore Wire Corp
WIRE
| $261K | ﹤0.01% |
2,512
-23,639
| -90% | -$2.79M |
|
4279
PUT
Global Net Lease
GNL
$1.86B
| $260K | ﹤0.01% |
18,400
+4,900
| +36% | +$70.1K |
|
4280
Liberty Broadband Class A
LBRDA
$4.78B
| $260K | ﹤0.01% |
2,295
+2,253
| +5,364% | +$265K |
|
4281
PUT
Principal Financial Group
PFG
$24.5B
| $260K | ﹤0.01% |
3,900
-200
| -5% | -$14.1K |
|
4282
PUT
Phreesia
PHR
$656M
| $260K | ﹤0.01% |
10,400
+10,300
| +10,300% | +$227K |
|
4283
PUT
Root
ROOT
$919M
| $260K | ﹤0.01% |
12,178
-472
| -4% | -$12.8K |
|
|
AGS
4284
PUT
DELISTED
PlayAGS
AGS
| $259K | ﹤0.01% |
50,300
-29,600
| -37% | -$172K |
|
4285
Imperial Oil
IMO
$62.3B
| $259K | ﹤0.01% |
5,512
-3,367
| -38% | -$172K |
|
4286
PUT
Pacific Biosciences
PACB
$460M
| $259K | ﹤0.01% |
58,600
+3,900
| +7% | +$23.7K |
|
4287
CALL
NuScale Power
SMR
$2.98B
| $259K | ﹤0.01% |
+26,000
| New | +$260K |
|
|
TRVG
4288
trivago
TRVG
$378M
| $259K | ﹤0.01% |
34,895
+6,800
| +24% | +$63.1K |
|
|
ROCC
4289
PUT
DELISTED
Ranger Oil Corporation Class A Common Stock
ROCC
| $259K | ﹤0.01% |
7,900
+3,200
| +68% | +$121K |
|
|
DEA
4290
CALL
Easterly Government Properties
DEA
$1.15B
| $258K | ﹤0.01% |
5,440
+240
| +5% | +$11.7K |
|
4291
PUT
Delek US
DK
$4.15B
| $258K | ﹤0.01% |
10,000
+9,300
| +1,329% | +$251K |
|
4292
PUT
Reinsurance Group of America
RGA
$15.6B
| $258K | ﹤0.01% |
2,200
-2,100
| -49% | -$244K |
|
4293
CALL
World Acceptance Corp
WRLD
$840M
| $258K | ﹤0.01% |
2,300
+2,200
| +2,200% | +$346K |
|
4294
CALL
Atmos Energy
ATO
$29.1B
| $257K | ﹤0.01% |
2,300
-12,700
| -85% | -$1.46M |
|
4295
CALL
Golar LNG
GLNG
$4.91B
| $257K | ﹤0.01% |
11,300
+4,300
| +61% | +$103K |
|
|
ILPT
4296
PUT
Industrial Logistics Properties Trust
ILPT
$565M
| $257K | ﹤0.01% |
18,300
+17,500
| +2,188% | +$287K |
|
4297
PUT
St. Joe Company
JOE
$3.62B
| $257K | ﹤0.01% |
6,500
-1,400
| -18% | -$69.8K |
|
4298
Shake Shack
SHAK
$2.54B
| $257K | ﹤0.01% |
6,525
-2,762
| -30% | -$141K |
|
4299
Spruce Power Holding Corp
SPRU
$35.8M
| $257K | ﹤0.01% |
27,999
+8,071
| +41% | +$93K |
|
4300
CALL
Harmonic Inc
HLIT
$1.22B
| $256K | ﹤0.01% |
29,600
+7,400
| +33% | +$66.6K |
|
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.