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 | |
|---|---|---|---|---|---|---|
3576
Petco
WOOF
$797M
| $443K | ﹤0.01% |
+30,064
| New | +$546K |
|
|
FLG
3577
PUT
Flagstar Bank National Association
FLG
$5.87B
| $443K | ﹤0.01% |
16,200
+733
| +5% | +$21.1K |
|
|
CMBM
3578
CALL
DELISTED
Cambium Networks
CMBM
| $442K | ﹤0.01% |
30,200
-43,000
| -59% | -$677K |
|
3579
Globalstar
GSAT
$10.1B
| $442K | ﹤0.01% |
23,995
-14,627
| -38% | -$271K |
|
3580
PUT
Garrett Motion
GTX
$5.39B
| $442K | ﹤0.01% |
57,200
+9,900
| +21% | +$67K |
|
3581
PUT
Hudbay
HBM
$9.76B
| $442K | ﹤0.01% |
108,400
-82,800
| -43% | -$494K |
|
3582
PUT
National Health Investors
NHI
$3.79B
| $442K | ﹤0.01% |
7,300
+4,900
| +204% | +$279K |
|
3583
CALL
Regal Rexnord
RRX
$12.5B
| $442K | ﹤0.01% |
3,900
+3,700
| +1,850% | +$471K |
|
|
BCM
3584
PUT
DELISTED
iPath Pure Beta Broad Commodity ETN
BCM
| $442K | ﹤0.01% |
12,900
+10,800
| +514% | +$538K |
|
3585
PUT
US Foods
USFD
$22.5B
| $441K | ﹤0.01% |
14,400
-47,700
| -77% | -$1.61M |
|
|
BZUN
3586
PUT
Baozun
BZUN
$179M
| $440K | ﹤0.01% |
40,300
-39,300
| -49% | -$345K |
|
3587
CALL
Packaging Corp of America
PKG
$22.2B
| $440K | ﹤0.01% |
3,200
-20,100
| -86% | -$3.11M |
|
3588
PUT
Stratasys
SSYS
$666M
| $440K | ﹤0.01% |
23,500
-89,600
| -79% | -$1.76M |
|
|
ADVM
3589
CALL
DELISTED
Adverum Biotechnologies
ADVM
| $439K | ﹤0.01% |
36,650
-9,700
| -21% | -$102K |
|
3590
Invesco DB Energy Fund
DBE
$90.9M
| $439K | ﹤0.01% |
16,810
+14,510
| +631% | +$385K |
|
3591
CALL
NewtekOne
NEWT
$426M
| $439K | ﹤0.01% |
23,200
+16,300
| +236% | +$391K |
|
3592
SandRidge Energy
SD
$503M
| $439K | ﹤0.01% |
28,063
-53,969
| -66% | -$1.08M |
|
3593
Nabors Industries
NBR
$1.17B
| $438K | ﹤0.01% |
+3,277
| New | +$513K |
|
|
ARVL
3594
CALL
DELISTED
Arrival Ordinary Shares
ARVL
| $438K | ﹤0.01% |
5,552
-978
| -15% | -$103K |
|
3595
CALL
Alpha Pro Tech
APT
$49.9M
| $437K | ﹤0.01% |
98,100
+18,000
| +22% | +$76.6K |
|
3596
CALL
Atomera
ATOM
$173M
| $437K | ﹤0.01% |
46,600
+10,000
| +27% | +$110K |
|
|
EXAS
3597
PUT
DELISTED
Exact Sciences
EXAS
| $437K | ﹤0.01% |
11,100
-39,400
| -78% | -$2.11M |
|
3598
Terex
TEX
$7.37B
| $437K | ﹤0.01% |
15,990
+12,371
| +342% | +$412K |
|
3599
CALL
Thomson Reuters
TRI
$46.4B
| $437K | ﹤0.01% |
3,986
+2,847
| +250% | +$302K |
|
3600
PUT
Alpha and Omega Semiconductor
AOSL
$829M
| $436K | ﹤0.01% |
13,100
-8,500
| -39% | -$348K |
|
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.