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 | |
|---|---|---|---|---|---|---|
|
CLVR
5276
CALL
DELISTED
Clever Leaves Holdings Inc. Common Shares
CLVR
| $184K | ﹤0.01% |
2,470
-333
| -12% | -$18.1K |
|
|
BDN
5277
CALL
Brandywine Realty Trust
BDN
$525M
| $183K | ﹤0.01% |
13,000
+8,600
| +195% | +$116K |
|
5278
Enova International
ENVA
$6.31B
| $183K | ﹤0.01% |
4,839
+1,696
| +54% | +$68.1K |
|
5279
PUT
Fortis
FTS
$29.3B
| $183K | ﹤0.01% |
3,700
+3,000
| +429% | +$141K |
|
5280
PUT
Iovance Biotherapeutics
IOVA
$2.09B
| $183K | ﹤0.01% |
11,000
-15,300
| -58% | -$237K |
|
5281
PUT
Bank OZK
OZK
$5.57B
| $183K | ﹤0.01% |
4,300
-6,000
| -58% | -$280K |
|
5282
CALL
Telephone and Data Systems
TDS
$3.82B
| $183K | ﹤0.01% |
9,700
+1,300
| +15% | +$25.1K |
|
5283
Valaris
VAL
$5.23B
| $183K | ﹤0.01% |
3,535
-1,666
| -32% | -$72.1K |
|
|
PAYA
5284
DELISTED
Paya Holdings Inc. Class A Common Stock
PAYA
| $183K | ﹤0.01% |
31,287
+21,799
| +230% | +$132K |
|
|
SRNE
5285
DELISTED
Sorrento Therapeutics, Inc.
SRNE
| $183K | ﹤0.01% |
+78,704
| New | +$245K |
|
5286
Allison Transmission
ALSN
$9.57B
| $182K | ﹤0.01% |
+4,657
| New | +$183K |
|
|
CARM
5287
PUT
DELISTED
Carisma Therapeutics
CARM
| $182K | ﹤0.01% |
15,140
-4,945
| -25% | -$69.1K |
|
5288
CGI
GIB
$15.2B
| $182K | ﹤0.01% |
2,282
+1,118
| +96% | +$92.9K |
|
5289
CALL
ESS Tech
GWH
$22.3M
| $182K | ﹤0.01% |
2,187
-3,833
| -64% | -$342K |
|
5290
CALL
National Health Investors
NHI
$3.69B
| $182K | ﹤0.01% |
3,100
-1,700
| -35% | -$96.8K |
|
|
GPP
5291
DELISTED
Green Plains Partners LP
GPP
| $182K | ﹤0.01% |
12,870
+12,827
| +29,830% | +$182K |
|
5292
CALL
Brookfield Infrastructure
BIPC
$5.24B
| $181K | ﹤0.01% |
3,600
+2,700
| +300% | +$123K |
|
5293
PUT
Manulife Financial
MFC
$74B
| $181K | ﹤0.01% |
8,500
-3,100
| -27% | -$63.5K |
|
5294
PUT
Mistras Group
MG
$483M
| $181K | ﹤0.01% |
27,500
+18,800
| +216% | +$128K |
|
5295
Zevra Therapeutics
ZVRA
$570M
| $181K | ﹤0.01% |
+36,145
| New | +$230K |
|
|
DENN
5296
PUT
DELISTED
Denny's
DENN
| $180K | ﹤0.01% |
12,600
+2,400
| +24% | +$36.6K |
|
5297
CALL
Dycom Industries
DY
$12.5B
| $180K | ﹤0.01% |
1,900
-100
| -5% | -$9.15K |
|
5298
Murphy USA
MUSA
$11.4B
| $180K | ﹤0.01% |
902
-7,697
| -90% | -$1.45M |
|
5299
PUT
Trimble
TRMB
$13.3B
| $180K | ﹤0.01% |
2,500
+500
| +25% | +$35.6K |
|
|
INFN
5300
PUT
DELISTED
Infinera Corporation Common Stock
INFN
| $180K | ﹤0.01% |
20,800
+3,900
| +23% | +$33.5K |
|
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.