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 | |
|---|---|---|---|---|---|---|
6576
PUT
Kaiser Aluminum
KALU
$2.61B
| $47K | ﹤0.01% |
600
-100
| -14% | -$9.35K |
|
6577
CALL
Koppers
KOP
$943M
| $47K | ﹤0.01% |
+2,100
| New | +$53.2K |
|
6578
PUT
OceanFirst Financial
OCFC
$1.68B
| $47K | ﹤0.01% |
2,500
-1,000
| -29% | -$19.2K |
|
6579
CALL
Pegasystems
PEGA
$5.02B
| $47K | ﹤0.01% |
2,000
-5,400
| -73% | -$162K |
|
6580
PUT
Porch Group
PRCH
$1.64B
| $47K | ﹤0.01% |
18,500
+13,000
| +236% | +$53.8K |
|
6581
CALL
CarParts.com
PRTS
$43.7M
| $47K | ﹤0.01% |
690
-1,360
| -66% | -$99.3K |
|
6582
Telos
TLS
$332M
| $47K | ﹤0.01% |
+5,892
| New | +$50.8K |
|
6583
CALL
UFP Industries
UFPI
$4.9B
| $47K | ﹤0.01% |
700
-500
| -42% | -$37.7K |
|
|
UROY
6584
CALL
Uranium Royalty Corp
UROY
$1.3B
| $47K | ﹤0.01% |
20,900
+4,400
| +27% | +$14.1K |
|
6585
ProShares Ultra Semiconductors
USD
$2.44B
| $47K | ﹤0.01% |
+10,080
| New | +$67.1K |
|
6586
CALL
Vivani Medical
VANI
$110M
| $47K | ﹤0.01% |
7,733
+5,033
| +186% | +$27.1K |
|
6587
VirnetX Holding Corp
VHC
$54.4M
| $47K | ﹤0.01% |
2,049
+1,356
| +196% | +$37.8K |
|
|
NAGE
6588
Niagen Bioscience
NAGE
$271M
| $47K | ﹤0.01% |
28,206
+18,703
| +197% | +$36.6K |
|
|
TVRD
6589
PUT
Tvardi Therapeutics
TVRD
$19.7M
| $47K | ﹤0.01% |
144
-23
| -14% | -$8.07K |
|
|
RUTH
6590
PUT
DELISTED
Ruth's Hospitality Group, Inc.
RUTH
| $47K | ﹤0.01% |
2,900
-8,700
| -75% | -$167K |
|
|
SEAC
6591
PUT
DELISTED
Seachange International Inc
SEAC
| $47K | ﹤0.01% |
3,895
-1,910
| -33% | -$33.3K |
|
|
MMX
6592
PUT
DELISTED
Maverix Metals Inc. Common Shares
MMX
| $47K | ﹤0.01% |
10,900
-10,200
| -48% | -$46.4K |
|
6593
AudioEye
AEYE
$72.3M
| $46K | ﹤0.01% |
7,654
+5,783
| +309% | +$27.2K |
|
6594
PUT
AMC Global Media
AMCX
$492M
| $46K | ﹤0.01% |
1,600
+300
| +23% | +$10.6K |
|
6595
PUT
Arvinas
ARVN
$518M
| $46K | ﹤0.01% |
1,100
+700
| +175% | +$35.1K |
|
6596
PUT
BioLife Solutions
BLFS
$1.53B
| $46K | ﹤0.01% |
3,400
+3,100
| +1,033% | +$45.5K |
|
6597
Brixmor Property Group
BRX
$9.67B
| $46K | ﹤0.01% |
+2,302
| New | +$54.4K |
|
|
EXK
6598
Endeavour Silver
EXK
$2.23B
| $46K | ﹤0.01% |
14,666
+3,837
| +35% | +$15.1K |
|
6599
First Bancorp
FBP
$4.42B
| $46K | ﹤0.01% |
3,582
+760
| +27% | +$10.4K |
|
6600
Future Fuel
FF
$217M
| $46K | ﹤0.01% |
6,371
-13,445
| -68% | -$113K |
|
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.