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 | |
|---|---|---|---|---|---|---|
2151
PUT
IMAX
IMAX
$2.38B
| $1.92M | ﹤0.01% |
101,600
+36,500
| +56% | +$683K |
|
|
LTC
2152
CALL
LTC Properties
LTC
$2.16B
| $1.92M | ﹤0.01% |
50,000
+35,800
| +252% | +$1.27M |
|
2153
Hertz
HTZ
$572M
| $1.92M | ﹤0.01% |
+86,734
| New | +$1.82M |
|
2154
PUT
American Water Works
AWK
$26.3B
| $1.92M | ﹤0.01% |
11,600
-1,100
| -9% | -$174K |
|
2155
United Parks & Resorts
PRKS
$2.11B
| $1.92M | ﹤0.01% |
25,786
+22,386
| +658% | +$1.47M |
|
2156
SSR Mining
SSRM
$5.57B
| $1.92M | ﹤0.01% |
88,213
+42,642
| +94% | +$803K |
|
|
COHR
2157
PUT
DELISTED
Coherent Inc
COHR
| $1.91M | ﹤0.01% |
7,000
+3,500
| +100% | +$916K |
|
2158
CALL
Factset
FDS
$9.05B
| $1.91M | ﹤0.01% |
4,400
-100
| -2% | -$42.2K |
|
2159
PUT
YPF
YPF
$20.2B
| $1.91M | ﹤0.01% |
395,600
+176,800
| +81% | +$761K |
|
2160
CALL
Relmada Therapeutics
RLMD
$544M
| $1.91M | ﹤0.01% |
70,700
+69,700
| +6,970% | +$1.44M |
|
2161
Energy Fuels
UUUU
$2.82B
| $1.91M | ﹤0.01% |
208,584
+136,893
| +191% | +$1.07M |
|
2162
PUT
Baxter International
BAX
$11.6B
| $1.91M | ﹤0.01% |
24,600
-80,800
| -77% | -$6.77M |
|
2163
CALL
GitLab
GTLB
$5.28B
| $1.91M | ﹤0.01% |
35,000
+33,600
| +2,400% | +$2.01M |
|
2164
Sonos
SONO
$1.75B
| $1.9M | ﹤0.01% |
67,480
-14,681
| -18% | -$390K |
|
|
HTGCR
2165
CALL
DELISTED
HERCULES TECHNOLOGY GROWTH CAP INC TRANS RGTS TO PUR COM STK
HTGCR
| $1.9M | ﹤0.01% |
105,400
+70,200
| +199% | +$1.27M |
|
2166
PUT
Appian
APPN
$1.74B
| $1.9M | ﹤0.01% |
31,300
-17,100
| -35% | -$970K |
|
|
SKX
2167
PUT
DELISTED
Skechers
SKX
| $1.9M | ﹤0.01% |
46,700
+28,300
| +154% | +$1.21M |
|
|
MMP
2168
CALL
DELISTED
Magellan Midstream Partners, L.P.
MMP
| $1.9M | ﹤0.01% |
38,800
-99,000
| -72% | -$4.79M |
|
2169
PUT
Cal-Maine
CALM
$4.28B
| $1.9M | ﹤0.01% |
34,400
+29,300
| +575% | +$1.28M |
|
2170
CALL
TE Connectivity
TEL
$58.8B
| $1.9M | ﹤0.01% |
14,500
+8,500
| +142% | +$1.22M |
|
2171
nCino
NCNO
$1.81B
| $1.9M | ﹤0.01% |
46,334
+42,529
| +1,118% | +$1.95M |
|
|
FL
2172
CALL
DELISTED
Foot Locker
FL
| $1.9M | ﹤0.01% |
63,900
+35,600
| +126% | +$1.36M |
|
2173
Cenovus Energy
CVE
$54.6B
| $1.89M | ﹤0.01% |
+113,442
| New | +$1.72M |
|
2174
CALL
W.P. Carey
WPC
$17.1B
| $1.89M | ﹤0.01% |
23,891
+16,642
| +230% | +$1.28M |
|
2175
Paycom
PAYC
$6.78B
| $1.89M | ﹤0.01% |
5,453
+2,686
| +97% | +$901K |
|
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.