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
|
+$179M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$90.1M |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$56M |
| 4 |
iShares Silver Trust
SLV
|
+$41.7M |
| 5 |
Advanced Micro Devices
AMD
|
+$39.8M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$42.8M |
| 2 |
Verizon
VZ
|
+$42.5M |
| 3 |
Occidental Petroleum
OXY
|
+$34.7M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Direxion Daily S&P 500 Bull 3x ETF
SPXL
|
+$32.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.67% |
| 2 | Consumer Discretionary | 0.37% |
| 3 | Industrials | 0.24% |
| 4 | Healthcare | 0.22% |
| 5 | Financials | 0.19% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
576
PUT
Albemarle
ALB
$13.9B
| $18.1M | 0.02% |
81,800
-700
| -0.8% | -$148K |
|
577
CALL
PNC Financial Services
PNC
$101B
| $18.1M | 0.02% |
98,000
+2,000
| +2% | +$404K |
|
578
CALL
Skyworks Solutions
SWKS
$9.5B
| $18.1M | 0.02% |
135,600
+16,100
| +13% | +$2.26M |
|
579
CALL
Intercontinental Exchange
ICE
$80.6B
| $18M | 0.02% |
136,600
+56,500
| +71% | +$7.3M |
|
580
PUT
EPAM Systems
EPAM
$4.52B
| $18M | 0.02% |
60,600
+48,700
| +409% | +$19.1M |
|
581
Baidu
BIDU
$36.6B
| $17.9M | 0.02% |
135,531
+27,256
| +25% | +$4.11M |
|
582
CALL
Invesco DB US Dollar Index Bullish Fund
UUP
$432M
| $17.9M | 0.02% |
687,300
+455,500
| +197% | +$11.8M |
|
583
Expedia Group
EXPE
$31.3B
| $17.8M | 0.02% |
+90,953
| New | +$17M |
|
584
CALL
Global Payments
GPN
$21.6B
| $17.7M | 0.02% |
129,100
-8,100
| -6% | -$1.13M |
|
585
CALL
XPeng
XPEV
$12.3B
| $17.6M | 0.02% |
638,700
+280,300
| +78% | +$9.95M |
|
586
CALL
ChargePoint
CHPT
$151M
| $17.6M | 0.02% |
44,290
+15,335
| +53% | +$4.73M |
|
587
CALL
Analog Devices
ADI
$188B
| $17.6M | 0.02% |
106,500
-154,600
| -59% | -$25M |
|
588
CALL
Suncor Energy
SU
$76.4B
| $17.6M | 0.02% |
538,700
-192,800
| -26% | -$5.72M |
|
589
CALL
Vanguard FTSE Europe ETF
VGK
$30.2B
| $17.5M | 0.02% |
307,200
-22,800
| -7% | -$1.46M |
|
590
CALL
Zoetis
ZTS
$31.1B
| $17.5M | 0.02% |
94,400
+47,400
| +101% | +$9.37M |
|
591
PayPal
PYPL
$49B
| $17.5M | 0.02% |
+151,159
| New | +$20.1M |
|
592
CALL
Kinder Morgan
KMI
$72.3B
| $17.5M | 0.02% |
923,800
+486,900
| +111% | +$8.57M |
|
593
CALL
CME Group
CME
$90.1B
| $17.5M | 0.02% |
73,400
+1,900
| +3% | +$446K |
|
594
PUT
ON Semiconductor
ON
$35.9B
| $17.4M | 0.02% |
277,200
+88,700
| +47% | +$5.41M |
|
595
CALL
Teck Resources
TECK
$28B
| $17.2M | 0.02% |
426,500
-46,900
| -10% | -$1.68M |
|
596
PUT
Intuitive Surgical
ISRG
$121B
| $17.2M | 0.02% |
57,000
-212,600
| -79% | -$62.1M |
|
597
CALL
United States Natural Gas Fund
UNG
$472M
| $17.2M | 0.02% |
217,675
+52,900
| +32% | +$3.34M |
|
598
CALL
Caesars Entertainment
CZR
$6.1B
| $17.1M | 0.02% |
221,600
+23,800
| +12% | +$1.91M |
|
599
Lam Research
LRCX
$399B
| $17M | 0.02% |
316,560
-12,430
| -4% | -$724K |
|
600
Wynn Resorts
WYNN
$9.79B
| $16.9M | 0.02% |
+212,158
| New | +$17.9M |
|
Similar funds
Simplex Trading's Q1 2022 Portfolio in Review
As of Q1 2022, Simplex Trading held 12,038 positions worth $109B, up 10% from $99B the previous quarter. Its ten largest holdings account for 37% of the portfolio.
Simplex Trading deployed $17.5B of net new capital in Q1 2022, opening 1,603 new positions and adding to 4,441 existing holdings. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
By sector, the portfolio is most concentrated in Technology at 0.67% of assets, up from 0.61% a quarter earlier, followed by Consumer Discretionary and Industrials.
On the sell side, the largest reduction was Verizon, an estimated $42.5M trimmed.
- Simplex Trading's largest Q1 2022 buy was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
- Simplex Trading added most to Apple in Q1 2022, an estimated $179M increase.
- Simplex Trading's biggest Q1 2022 reduction was Verizon, cutting an estimated $42.5M.
- Simplex Trading fully exited State Street Financial Select Sector SPDR ETF in Q1 2022, selling an estimated $42.8M.
- Simplex Trading's ten largest holdings make up 37% of its $109B portfolio in Q1 2022.
- Simplex Trading opened 1,603 new positions and closed 1,637 in Q1 2022.
- Simplex Trading's portfolio value rose 10% quarter-over-quarter to $109B.
Based on Simplex Trading's 13F filing for Q1 2022, filed 2 May 2022.