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 | |
|---|---|---|---|---|---|---|
|
CKPT
6351
PUT
DELISTED
Checkpoint Therapeutics
CKPT
| $55K | ﹤0.01% |
5,420
-2,400
| -31% | -$31.4K |
|
|
CLSD
6352
PUT
DELISTED
Clearside Biomedical
CLSD
| $55K | ﹤0.01% |
2,520
-640
| -20% | -$15.5K |
|
6353
Columbus McKinnon
CMCO
$553M
| $55K | ﹤0.01% |
1,960
+1,651
| +534% | +$56.8K |
|
6354
PUT
National Vision
EYE
$1.77B
| $55K | ﹤0.01% |
+2,000
| New | +$65.9K |
|
|
HEES
6355
CALL
DELISTED
H&E Equipment Services
HEES
| $55K | ﹤0.01% |
1,900
-2,100
| -53% | -$73.8K |
|
6356
PUT
HealthEquity
HQY
$8.41B
| $55K | ﹤0.01% |
900
-113,300
| -99% | -$7.26M |
|
6357
INmune Bio
INMB
$46.5M
| $55K | ﹤0.01% |
6,292
-16,823
| -73% | -$125K |
|
6358
PUT
LCI Industries
LCII
$2.49B
| $55K | ﹤0.01% |
500
+400
| +400% | +$43.7K |
|
6359
CALL
Liquidia Corp
LQDA
$7.48B
| $55K | ﹤0.01% |
12,800
-5,300
| -29% | -$27.4K |
|
6360
Nektar Therapeutics
NKTR
$2.39B
| $55K | ﹤0.01% |
980
-280
| -22% | -$17.7K |
|
6361
CALL
Onto Innovation
ONTO
$12.9B
| $55K | ﹤0.01% |
800
+200
| +33% | +$14.8K |
|
6362
Orion Group Holdings
ORN
$396M
| $55K | ﹤0.01% |
24,379
-5,198
| -18% | -$13.4K |
|
6363
Qorvo
QRVO
$7.99B
| $55K | ﹤0.01% |
589
-6,390
| -92% | -$689K |
|
|
RTB
6364
PUT
RTB Digital
RTB
$214M
| $55K | ﹤0.01% |
151
+3
| +2% | +$2.89K |
|
6365
CALL
Saic
SAIC
$4.95B
| $55K | ﹤0.01% |
600
-4,200
| -88% | -$367K |
|
6366
PUT
Theravance Biopharma
TBPH
$874M
| $55K | ﹤0.01% |
6,100
-27,400
| -82% | -$252K |
|
6367
CALL
Unisys
UIS
$209M
| $55K | ﹤0.01% |
+4,600
| New | +$64.8K |
|
6368
PUT
Valley National Bancorp
VLY
$7.9B
| $55K | ﹤0.01% |
5,300
-7,600
| -59% | -$90.3K |
|
|
VRNT
6369
PUT
DELISTED
Verint Systems
VRNT
| $55K | ﹤0.01% |
1,300
-19,600
| -94% | -$979K |
|
6370
CALL
Essential Utilities
WTRG
$11.3B
| $55K | ﹤0.01% |
1,200
-4,000
| -77% | -$186K |
|
|
GPUS
6371
CALL
Hyperscale Data Inc
GPUS
$55.4M
| $55K | ﹤0.01% |
1
| – | – |
|
|
RIDE
6372
PUT
DELISTED
Lordstown Motors Corp. Class A Common Stock
RIDE
| $55K | ﹤0.01% |
2,353
-5,427
| -70% | -$175K |
|
|
BOXD
6373
DELISTED
Boxed, Inc.
BOXD
| $55K | ﹤0.01% |
30,245
+25,733
| +570% | +$199K |
|
|
MMX
6374
DELISTED
Maverix Metals Inc. Common Shares
MMX
| $55K | ﹤0.01% |
12,711
+4,773
| +60% | +$21.7K |
|
|
EQOS
6375
CALL
DELISTED
EQONEX LIMITED Ordinary Shares
EQOS
| $55K | ﹤0.01% |
66,800
-13,600
| -17% | -$18.1K |
|
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.