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 | |
|---|---|---|---|---|---|---|
5401
Tiptree Inc
TIPT
$662M
| $113K | ﹤0.01% |
10,733
+7,049
| +191% | +$79.2K |
|
5402
Wyndham Hotels & Resorts
WH
$5.56B
| $113K | ﹤0.01% |
+1,728
| New | +$136K |
|
|
ASXC
5403
PUT
DELISTED
Asensus Surgical, Inc.
ASXC
| $113K | ﹤0.01% |
285,900
+206,000
| +258% | +$91.9K |
|
|
ALBO
5404
DELISTED
Albireo Pharma Inc
ALBO
| $113K | ﹤0.01% |
+5,694
| New | +$150K |
|
|
FMTX
5405
DELISTED
Forma Therapeutics Holdings, Inc. Common Stock
FMTX
| $113K | ﹤0.01% |
16,403
+10,661
| +186% | +$74.8K |
|
5406
PUT
ABM Industries
ABM
$2.81B
| $112K | ﹤0.01% |
2,600
-2,900
| -53% | -$134K |
|
5407
CALL
ALX Oncology
ALXO
$261M
| $112K | ﹤0.01% |
13,900
+13,400
| +2,680% | +$146K |
|
5408
Brown-Forman Class A
BF.A
$13.4B
| $112K | ﹤0.01% |
1,659
+1,459
| +730% | +$92.5K |
|
5409
CALL
CareTrust REIT
CTRE
$9.91B
| $112K | ﹤0.01% |
6,100
+500
| +9% | +$8.87K |
|
|
DADA
5410
PUT
DELISTED
Dada Nexus
DADA
| $112K | ﹤0.01% |
13,900
+6,500
| +88% | +$49.9K |
|
5411
CALL
Flux Power
FLUX
$11.2M
| $112K | ﹤0.01% |
46,800
+15,600
| +50% | +$38.5K |
|
5412
PUT
Gildan
GIL
$10.3B
| $112K | ﹤0.01% |
3,900
+3,600
| +1,200% | +$115K |
|
5413
ESS Tech
GWH
$22M
| $112K | ﹤0.01% |
2,675
-352
| -12% | -$24.7K |
|
5414
PUT
LGI Homes
LGIH
$1.27B
| $112K | ﹤0.01% |
1,300
+1,000
| +333% | +$92.7K |
|
5415
CALL
MarketWise
MKTW
$52.5M
| $112K | ﹤0.01% |
1,565
+1,230
| +367% | +$85.5K |
|
|
OGI
5416
CALL
Organigram Holdings
OGI
$132M
| $112K | ﹤0.01% |
30,550
+6,975
| +30% | +$35.6K |
|
5417
Invesco Leisure and Entertainment ETF
PEJ
$259M
| $112K | ﹤0.01% |
3,104
+1,313
| +73% | +$54.8K |
|
5418
PUT
Vanguard ESG US Corporate Bond ETF
VCEB
$1.18B
| $112K | ﹤0.01% |
800
-4,100
| -84% | -$263K |
|
5419
CALL
World Kinect Corp
WKC
$2.04B
| $112K | ﹤0.01% |
5,500
+4,100
| +293% | +$101K |
|
|
CNH
5420
CALL
CNH Industrial
CNH
$12.7B
| $112K | ﹤0.01% |
9,700
-12,700
| -57% | -$181K |
|
|
OMGA
5421
PUT
DELISTED
Omega Therapeutics, Inc. Common Stock
OMGA
| $112K | ﹤0.01% |
29,600
+29,400
| +14,700% | +$109K |
|
|
VWE
5422
CALL
DELISTED
Vintage Wine Estates, Inc. Common Stock
VWE
| $112K | ﹤0.01% |
14,300
-16,100
| -53% | -$148K |
|
|
DICE
5423
DELISTED
DICE Therapeutics, Inc. Common Stock
DICE
| $112K | ﹤0.01% |
7,277
-3,566
| -33% | -$61.3K |
|
|
BLU
5424
DELISTED
BELLUS Health Inc.
BLU
| $112K | ﹤0.01% |
+12,177
| New | +$99.6K |
|
|
BIOR
5425
PUT
DELISTED
Biora Therapeutics, Inc. Common Stock
BIOR
| $112K | ﹤0.01% |
641
-248
| -28% | -$52.3K |
|
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.