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 | |
|---|---|---|---|---|---|---|
|
HR
1576
CALL
DELISTED
Healthcare Realty Trust Incorporated
HR
| $2.78M | ﹤0.01% |
102,300
+102,100
| +51,050% | +$2.85M |
|
1577
CALL
KeyCorp
KEY
$24.3B
| $2.78M | ﹤0.01% |
161,200
-36,900
| -19% | -$713K |
|
1578
PUT
WIX.com
WIX
$2.15B
| $2.77M | ﹤0.01% |
42,300
-24,800
| -37% | -$1.82M |
|
|
PBFX
1579
CALL
DELISTED
PBF LOGISTICS LP
PBFX
| $2.77M | ﹤0.01% |
179,500
+2,600
| +1% | +$39.9K |
|
1580
CALL
Amdocs
DOX
$5.53B
| $2.77M | ﹤0.01% |
33,200
+32,900
| +10,967% | +$2.71M |
|
1581
PUT
Edwards Lifesciences
EW
$47.6B
| $2.76M | ﹤0.01% |
29,000
-18,600
| -39% | -$1.93M |
|
1582
CALL
Aurinia Pharmaceuticals
AUPH
$1.97B
| $2.75M | ﹤0.01% |
274,100
+90,200
| +49% | +$1.01M |
|
1583
Fortinet
FTNT
$112B
| $2.75M | ﹤0.01% |
48,668
-7,012
| -13% | -$416K |
|
1584
CALL
SIGA Technologies
SIGA
$223M
| $2.75M | ﹤0.01% |
237,400
+194,800
| +457% | +$1.76M |
|
1585
CALL
Papa John's
PZZA
$999M
| $2.75M | ﹤0.01% |
32,900
+23,300
| +243% | +$2.1M |
|
1586
PUT
VF Corp
VFC
$6.68B
| $2.74M | ﹤0.01% |
62,000
+4,200
| +7% | +$211K |
|
1587
PUT
On Holding
ONON
$11.9B
| $2.73M | ﹤0.01% |
154,500
+15,500
| +11% | +$335K |
|
|
SWAV
1588
PUT
DELISTED
Shockwave Medical, Inc. Common Stock
SWAV
| $2.73M | ﹤0.01% |
14,300
+6,800
| +91% | +$1.2M |
|
1589
CALL
Kyndryl
KD
$2.66B
| $2.73M | ﹤0.01% |
278,900
+205,900
| +282% | +$2.4M |
|
1590
CALL
Tencent Music
TME
$14.5B
| $2.73M | ﹤0.01% |
543,300
-118,200
| -18% | -$522K |
|
1591
PUT
Restaurant Brands International
QSR
$25.1B
| $2.72M | ﹤0.01% |
54,300
-26,300
| -33% | -$1.41M |
|
1592
Seagate
STX
$193B
| $2.72M | ﹤0.01% |
+38,079
| New | +$3.09M |
|
1593
CALL
Oshkosh
OSK
$9.67B
| $2.72M | ﹤0.01% |
33,100
+2,600
| +9% | +$239K |
|
1594
CALL
Open Text
OTEX
$5.43B
| $2.72M | ﹤0.01% |
71,800
+67,600
| +1,610% | +$2.68M |
|
1595
CALL
Illinois Tool Works
ITW
$81.4B
| $2.71M | ﹤0.01% |
14,900
+3,200
| +27% | +$640K |
|
|
AXON
1596
PUT
Axon Enterprise
AXON
$40.5B
| $2.71M | ﹤0.01% |
29,100
+17,500
| +151% | +$1.85M |
|
1597
W.W. Grainger
GWW
$65.3B
| $2.71M | ﹤0.01% |
+5,965
| New | +$2.9M |
|
|
ESPR
1598
CALL
DELISTED
Esperion Therapeutics
ESPR
| $2.71M | ﹤0.01% |
426,100
+184,900
| +77% | +$1.05M |
|
1599
Bilibili
BILI
$7.18B
| $2.71M | ﹤0.01% |
105,710
-129,484
| -55% | -$3.11M |
|
1600
PUT
Kinross Gold
KGC
$28.5B
| $2.71M | ﹤0.01% |
755,900
+128,500
| +20% | +$622K |
|
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.