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 | |
|---|---|---|---|---|---|---|
6926
PUT
ANI Pharmaceuticals
ANIP
$1.8B
| $35K | ﹤0.01% |
1,200
-200
| -14% | -$5.77K |
|
|
FRMM
6927
CALL
Forum Markets
FRMM
$68.2M
| $35K | ﹤0.01% |
11
-3
| -21% | -$17.2K |
|
|
BAND
6928
PUT
Bandwidth Inc
BAND
$1.26B
| $35K | ﹤0.01% |
1,900
-4,200
| -69% | -$97K |
|
|
SLAI
6929
CALL
DELISTED
SOLAI Ltd ADS
SLAI
| $35K | ﹤0.01% |
821
+571
| +228% | +$71.4K |
|
6930
iShares MSCI China A ETF
CNYA
$200M
| $35K | ﹤0.01% |
+938
| New | +$32.6K |
|
6931
Curis
CRIS
$9.78M
| $35K | ﹤0.01% |
90
-37
| -29% | -$15.4K |
|
6932
PUT
Crane NXT
CXT
$2.99B
| $35K | ﹤0.01% |
1,152
-1,151
| -50% | -$38.3K |
|
6933
PUT
Dorchester Minerals
DMLP
$1.33B
| $35K | ﹤0.01% |
1,500
-800
| -35% | -$22K |
|
|
FYBR
6934
PUT
DELISTED
Frontier Communications
FYBR
| $35K | ﹤0.01% |
1,500
-5,500
| -79% | -$141K |
|
6935
PUT
Globus Maritime Ltd
GLBS
$61.9M
| $35K | ﹤0.01% |
20,000
+2,600
| +15% | +$5.56K |
|
6936
Genmab
GMAB
$17.7B
| $35K | ﹤0.01% |
1,094
+174
| +19% | +$5.64K |
|
6937
PUT
US Global Investors
GROW
$35.5M
| $35K | ﹤0.01% |
8,000
-13,900
| -63% | -$67.6K |
|
|
HOFV
6938
CALL
DELISTED
Hall of Fame Resort & Entertainment Co
HOFV
| $35K | ﹤0.01% |
2,705
+310
| +13% | +$5.16K |
|
6939
PUT
Ingredion
INGR
$6.27B
| $35K | ﹤0.01% |
400
-400
| -50% | -$35.8K |
|
6940
CALL
loanDepot
LDI
$532M
| $35K | ﹤0.01% |
24,800
+3,200
| +15% | +$8.63K |
|
|
LGMK
6941
DELISTED
LogicMark
LGMK
| $35K | ﹤0.01% |
65
-22
| -25% | -$16.4K |
|
6942
PUT
NETGEAR
NTGR
$648M
| $35K | ﹤0.01% |
1,900
+1,800
| +1,800% | +$36.8K |
|
6943
PUT
Payoneer
PAYO
$2.42B
| $35K | ﹤0.01% |
9,100
+1,700
| +23% | +$7.58K |
|
6944
PUT
PennantPark Floating Rate Capital
PFLT
$689M
| $35K | ﹤0.01% |
3,100
-12,200
| -80% | -$151K |
|
6945
PUT
abrdn Physical Silver Shares ETF
SIVR
$4.02B
| $35K | ﹤0.01% |
1,800
-700
| -28% | -$15.2K |
|
|
SOND
6946
CALL
DELISTED
Sonder
SOND
| $35K | ﹤0.01% |
1,690
-3,570
| -68% | -$203K |
|
6947
CALL
FlexShares Morningstar US Market Factors Tilt Index Fund
TILT
$2.19B
| $35K | ﹤0.01% |
900
-100
| -10% | -$15.8K |
|
6948
PUT
Xeris Biopharma Holdings
XERS
$1.39B
| $35K | ﹤0.01% |
23,200
+20,900
| +909% | +$44.1K |
|
|
ZIMV
6949
CALL
DELISTED
ZimVie
ZIMV
| $35K | ﹤0.01% |
2,200
+1,800
| +450% | +$39.7K |
|
|
EXPR
6950
PUT
DELISTED
Express, Inc.
EXPR
| $35K | ﹤0.01% |
895
-870
| -49% | -$52.2K |
|
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.