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 | |
|---|---|---|---|---|---|---|
|
CONX
4576
PUT
DELISTED
CONX Corp. Class A Common Stock
CONX
| $203K | ﹤0.01% |
20,600
+3,800
| +23% | +$37.5K |
|
4577
Ambev
ABEV
$48.2B
| $202K | ﹤0.01% |
80,789
-27,703
| -26% | -$79K |
|
|
GORV
4578
CALL
DELISTED
Lazydays
GORV
| $202K | ﹤0.01% |
573
+563
| +5,630% | +$286K |
|
4579
iShares US Financial Services ETF
IYG
$2.16B
| $202K | ﹤0.01% |
+4,092
| New | +$222K |
|
4580
CALL
Voya Financial
VOYA
$9.09B
| $202K | ﹤0.01% |
3,400
-9,700
| -74% | -$624K |
|
4581
CALL
W&T Offshore
WTI
$515M
| $202K | ﹤0.01% |
46,900
-144,300
| -75% | -$812K |
|
4582
CALL
Allogene Therapeutics
ALLO
$680M
| $201K | ﹤0.01% |
17,700
+8,400
| +90% | +$74.6K |
|
4583
CALL
Citi Trends
CTRN
$565M
| $201K | ﹤0.01% |
8,500
+3,800
| +81% | +$107K |
|
4584
CALL
Loews
L
$23.9B
| $201K | ﹤0.01% |
+3,400
| New | +$214K |
|
4585
CALL
La-Z-Boy
LZB
$1.61B
| $201K | ﹤0.01% |
8,500
-19,300
| -69% | -$496K |
|
|
YMAB
4586
CALL
DELISTED
Y-mAbs Therapeutics
YMAB
| $201K | ﹤0.01% |
13,300
+700
| +6% | +$8.17K |
|
|
SGFY
4587
PUT
DELISTED
Signify Health, Inc.
SGFY
| $201K | ﹤0.01% |
14,600
-300
| -2% | -$4.22K |
|
|
BLUE
4588
CALL
DELISTED
bluebird bio
BLUE
| $200K | ﹤0.01% |
2,705
+1,685
| +165% | +$131K |
|
4589
PUT
FIGS
FIGS
$1.75B
| $200K | ﹤0.01% |
22,000
+6,400
| +41% | +$81.7K |
|
4590
PUT
Golub Capital BDC
GBDC
$3.34B
| $200K | ﹤0.01% |
15,500
+15,100
| +3,775% | +$216K |
|
|
IPG
4591
PUT
DELISTED
Interpublic Group of Companies
IPG
| $200K | ﹤0.01% |
7,300
+4,600
| +170% | +$146K |
|
4592
PUT
Lufax Holding
LU
$1.38B
| $200K | ﹤0.01% |
8,350
+1,500
| +22% | +$34.8K |
|
4593
CALL
Rigetti Computing
RGTI
$4.94B
| $200K | ﹤0.01% |
54,500
-2,600
| -5% | -$16.5K |
|
|
AMRS
4594
DELISTED
Amyris Inc.
AMRS
| $200K | ﹤0.01% |
108,492
-75,918
| -41% | -$223K |
|
|
CPUH
4595
CALL
DELISTED
Compute Health Acquisition Corp.
CPUH
| $200K | ﹤0.01% |
20,400
-2,000
| -9% | -$19.6K |
|
4596
Alpha Pro Tech
APT
$50.7M
| $199K | ﹤0.01% |
44,692
-816
| -2% | -$3.48K |
|
4597
CAE Inc. Common Shares
CAE
$8.31B
| $199K | ﹤0.01% |
8,096
-8,346
| -51% | -$207K |
|
4598
CALL
Cathay General Bancorp
CATY
$4.21B
| $199K | ﹤0.01% |
5,100
+2,600
| +104% | +$106K |
|
4599
OrthoPediatrics
KIDS
$517M
| $199K | ﹤0.01% |
4,628
+4,528
| +4,528% | +$207K |
|
4600
CALL
Lakeland Industries
LAKE
$109M
| $199K | ﹤0.01% |
13,000
+10,300
| +381% | +$175K |
|
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.