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 | |
|---|---|---|---|---|---|---|
4826
CALL
Cheniere Energy
CQP
$30.5B
| $247K | ﹤0.01% |
4,400
-2,600
| -37% | -$129K |
|
4827
CALL
Genius Sports
GENI
$1.95B
| $247K | ﹤0.01% |
53,800
+28,600
| +113% | +$165K |
|
|
MTA
4828
Metalla Royalty & Streaming
MTA
$689M
| $247K | ﹤0.01% |
35,072
+16,700
| +91% | +$117K |
|
4829
ReNew
RNW
$2.18B
| $247K | ﹤0.01% |
30,153
-133,145
| -82% | -$964K |
|
|
SGMO
4830
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
| $247K | ﹤0.01% |
42,540
-10,012
| -19% | -$59.5K |
|
|
TMHC
4831
CALL
DELISTED
Taylor Morrison
TMHC
| $247K | ﹤0.01% |
9,100
-27,200
| -75% | -$828K |
|
|
NEUE
4832
CALL
DELISTED
NeueHealth
NEUE
| $247K | ﹤0.01% |
1,600
-2,048
| -56% | -$455K |
|
|
CLPR
4833
PUT
Clipper Realty
CLPR
$46.4M
| $246K | ﹤0.01% |
27,200
-13,400
| -33% | -$125K |
|
4834
PUT
Amdocs
DOX
$6.03B
| $246K | ﹤0.01% |
3,000
+2,400
| +400% | +$188K |
|
4835
PUT
Innovative Industrial Properties
IIPR
$1.77B
| $246K | ﹤0.01% |
1,200
-13,700
| -92% | -$2.7M |
|
4836
Madison Square Garden
MSGS
$9.59B
| $246K | ﹤0.01% |
1,377
+730
| +113% | +$124K |
|
4837
CALL
Telos
TLS
$331M
| $246K | ﹤0.01% |
24,700
+24,600
| +24,600% | +$276K |
|
4838
CALL
Valvoline
VVV
$5.06B
| $246K | ﹤0.01% |
7,800
+2,500
| +47% | +$81.7K |
|
4839
Workhorse Group
WKHS
$33.4M
| $246K | ﹤0.01% |
16
-5
| -24% | -$55.1K |
|
|
IS
4840
PUT
DELISTED
ironSource Ltd.
IS
| $246K | ﹤0.01% |
51,400
+9,700
| +23% | +$59K |
|
4841
CALL
Popular Inc
BPOP
$11B
| $245K | ﹤0.01% |
3,000
-11,900
| -80% | -$1.05M |
|
4842
CALL
Krispy Kreme
DNUT
$562M
| $245K | ﹤0.01% |
16,500
-31,000
| -65% | -$465K |
|
|
LX
4843
PUT
LexinFintech Holdings
LX
$246M
| $245K | ﹤0.01% |
93,800
+15,900
| +20% | +$52.6K |
|
|
CCEC
4844
Capital Clean Energy Carriers
CCEC
$1.37B
| $245K | ﹤0.01% |
13,454
-5,305
| -28% | -$83.9K |
|
|
AFIB
4845
PUT
DELISTED
Acutus Medical Inc
AFIB
| $245K | ﹤0.01% |
176,900
+152,500
| +625% | +$326K |
|
|
ISEE
4846
PUT
DELISTED
IVERIC bio, Inc. Common Stock
ISEE
| $245K | ﹤0.01% |
14,600
+13,600
| +1,360% | +$201K |
|
|
SJI
4847
PUT
DELISTED
South Jersey Industries, Inc.
SJI
| $245K | ﹤0.01% |
7,100
+4,700
| +196% | +$136K |
|
|
EVFM
4848
CALL
DELISTED
Evofem Biosciences, Inc. Common Stock
EVFM
| $245K | ﹤0.01% |
48,053
+813
| +2% | +$5.11K |
|
|
HSKA
4849
DELISTED
Heska Corp
HSKA
| $245K | ﹤0.01% |
+1,773
| New | +$251K |
|
4850
Acacia Research
ACTG
$437M
| $244K | ﹤0.01% |
54,279
-112,473
| -67% | -$473K |
|
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.