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 | |
|---|---|---|---|---|---|---|
5651
PureCycle Technologies
PCT
$1.28B
| $93K | ﹤0.01% |
+12,551
| New | +$105K |
|
5652
PUT
ReNew
RNW
$2.27B
| $93K | ﹤0.01% |
14,400
-197,300
| -93% | -$1.42M |
|
5653
CALL
Spire Global
SPIR
$444M
| $93K | ﹤0.01% |
10,038
-1,850
| -16% | -$23.7K |
|
5654
Twilio
TWLO
$30B
| $93K | ﹤0.01% |
1,118
-12,165
| -92% | -$1.36M |
|
|
TPC
5655
CALL
Tutor Perini Cor
TPC
$4.41B
| $93K | ﹤0.01% |
10,600
+600
| +6% | +$5.79K |
|
|
TCS
5656
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
| $93K | ﹤0.01% |
1,001
+625
| +166% | +$70.9K |
|
|
NATI
5657
PUT
DELISTED
National Instruments Corp
NATI
| $93K | ﹤0.01% |
3,000
+1,400
| +88% | +$49.6K |
|
|
CRU
5658
CALL
DELISTED
Crucible Acquisition Corporation
CRU
| $93K | ﹤0.01% |
+9,500
| New | +$93.3K |
|
|
CNR
5659
CALL
DELISTED
Cornerstone Building Brands, Inc.
CNR
| $93K | ﹤0.01% |
3,800
-45,700
| -92% | -$1.11M |
|
5660
PUT
CleanSpark
CLSK
$3.53B
| $92K | ﹤0.01% |
23,600
-10,600
| -31% | -$71.3K |
|
5661
CALL
Caribou Biosciences
CRBU
$145M
| $92K | ﹤0.01% |
17,100
+16,900
| +8,450% | +$129K |
|
5662
PUT
DNOW Inc
DNOW
$2.58B
| $92K | ﹤0.01% |
9,500
-12,600
| -57% | -$134K |
|
5663
eHealth
EHTH
$42.2M
| $92K | ﹤0.01% |
9,872
-9,550
| -49% | -$97.1K |
|
5664
CALL
Essential Properties Realty Trust
EPRT
$6.77B
| $92K | ﹤0.01% |
4,300
-3,300
| -43% | -$76.7K |
|
5665
CALL
MicroSectors FANG+ ETNs due Jan 8 2038
FNGS
$556M
| $92K | ﹤0.01% |
4,300
+1,400
| +48% | +$32.8K |
|
5666
PUT
Gold Royalty Corp
GROY
$600M
| $92K | ﹤0.01% |
41,100
-34,100
| -45% | -$114K |
|
|
OBE
5667
PUT
Obsidian Energy
OBE
$716M
| $92K | ﹤0.01% |
+11,900
| New | +$105K |
|
|
SEM
5668
CALL
DELISTED
Select Medical
SEM
| $92K | ﹤0.01% |
7,238
+5,753
| +387% | +$73.8K |
|
5669
Global X Social Media ETF
SOCL
$90.4M
| $92K | ﹤0.01% |
2,795
+156
| +6% | +$5.79K |
|
|
SOS
5670
CALL
SOS Limited
SOS
$16.6M
| $92K | ﹤0.01% |
3,367
+1,236
| +58% | +$358K |
|
|
TEN
5671
CALL
Tsakos Energy Navigation Ltd
TEN
$1.21B
| $92K | ﹤0.01% |
10,300
+600
| +6% | +$6.53K |
|
|
SUNW
5672
CALL
DELISTED
Sunworks, Inc.
SUNW
| $92K | ﹤0.01% |
58,500
+31,900
| +120% | +$60.8K |
|
|
AVTA
5673
CALL
DELISTED
Avantax, Inc. Common Stock
AVTA
| $92K | ﹤0.01% |
5,000
-23,700
| -83% | -$431K |
|
|
ATCO
5674
DELISTED
Atlas Corp.
ATCO
| $92K | ﹤0.01% |
8,613
-34,874
| -80% | -$438K |
|
5675
AerSale
ASLE
$293M
| $91K | ﹤0.01% |
6,327
-280
| -4% | -$4.07K |
|
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.