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 | |
|---|---|---|---|---|---|---|
|
NIB
5726
DELISTED
iPath Bloomberg Cocoa Subindex Total Return ETN due June 24, 2038
NIB
| $89K | ﹤0.01% |
3,583
-3,926
| -52% | -$108K |
|
5727
Alkermes
ALKS
$8.22B
| $88K | ﹤0.01% |
2,980
-7,469
| -71% | -$215K |
|
5728
CALL
Hexcel
HXL
$7.79B
| $88K | ﹤0.01% |
1,700
+600
| +55% | +$32.9K |
|
|
ORC
5729
PUT
Orchid Island Capital
ORC
$1.3B
| $88K | ﹤0.01% |
6,240
+400
| +7% | +$5.94K |
|
5730
PUT
Oxford Industries
OXM
$566M
| $88K | ﹤0.01% |
1,000
+400
| +67% | +$35.9K |
|
5731
CALL
Patria Investments
PAX
$1.75B
| $88K | ﹤0.01% |
6,700
+4,500
| +205% | +$71K |
|
5732
PUT
Impinj
PI
$4.62B
| $88K | ﹤0.01% |
1,500
-2,900
| -66% | -$146K |
|
5733
PUT
Q2 Holdings
QTWO
$3.8B
| $88K | ﹤0.01% |
2,300
+2,100
| +1,050% | +$102K |
|
5734
CALL
Viasat
VSAT
$10.6B
| $88K | ﹤0.01% |
2,900
-11,000
| -79% | -$426K |
|
|
WPRT
5735
Westport Fuel Systems
WPRT
$33.4M
| $88K | ﹤0.01% |
8,756
-2,906
| -25% | -$36K |
|
|
NARI
5736
PUT
DELISTED
Inari Medical, Inc. Common Stock
NARI
| $88K | ﹤0.01% |
1,300
-6,200
| -83% | -$446K |
|
|
MORF
5737
CALL
DELISTED
Morphic Holding, Inc. Common Stock
MORF
| $88K | ﹤0.01% |
4,100
+2,600
| +173% | +$72.6K |
|
|
DSKE
5738
DELISTED
Daseke, Inc. Common Stock
DSKE
| $88K | ﹤0.01% |
+13,824
| New | +$106K |
|
|
CYXT
5739
DELISTED
Cyxtera Technologies, Inc. Class A Common Stock
CYXT
| $88K | ﹤0.01% |
7,770
+2,802
| +56% | +$36.1K |
|
5740
CALL
Adicet Bio
ACET
$85.2M
| $87K | ﹤0.01% |
375
+350
| +1,400% | +$76.9K |
|
5741
CALL
Federal Agricultural Mortgage Class A
AGM.A
| $87K | ﹤0.01% |
900
+700
| +350% | +$69.6K |
|
5742
CALL
Ardelyx
ARDX
$1.22B
| $87K | ﹤0.01% |
147,500
-152,900
| -51% | -$113K |
|
5743
PUT
iShares Core Dividend ETF
DIVB
$1.69B
| $87K | ﹤0.01% |
2,500
+2,000
| +400% | +$78.2K |
|
5744
CALL
Ensysce Biosciences
ENSC
$3.89M
| $87K | ﹤0.01% |
28
-2
| -7% | -$5.6K |
|
5745
PUT
Cedar Fair
FUN
$1.77B
| $87K | ﹤0.01% |
2,000
+1,000
| +100% | +$48.5K |
|
5746
CALL
CGI
GIB
$15.1B
| $87K | ﹤0.01% |
1,100
+900
| +450% | +$72.6K |
|
|
5747
PUT
CGI
GIB
$15.1B
| $87K | ﹤0.01% |
1,100
-1,700
| -61% | -$137K |
|
5748
PUT
ImmunityBio
IBRX
$7.51B
| $87K | ﹤0.01% |
23,400
-54,500
| -70% | -$219K |
|
5749
PUT
Renaissance International IPO ETF
IPOS
$11.2M
| $87K | ﹤0.01% |
2,900
-112,100
| -97% | -$2.03M |
|
5750
CALL
Kopin
KOPN
$652M
| $87K | ﹤0.01% |
78,100
+16,900
| +28% | +$25.4K |
|
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.