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 | |
|---|---|---|---|---|---|---|
3501
Invesco DB Agriculture Fund
DBA
$1.23B
| $645K | ﹤0.01% |
29,482
-28,831
| -49% | -$604K |
|
3502
First Horizon
FHN
$12.1B
| $644K | ﹤0.01% |
+27,456
| New | +$548K |
|
3503
CALL
Modine Manufacturing
MOD
$12.2B
| $644K | ﹤0.01% |
71,500
+69,300
| +3,150% | +$681K |
|
3504
CALL
Ollie's Bargain Outlet
OLLI
$4.04B
| $644K | ﹤0.01% |
15,000
-119,400
| -89% | -$5.33M |
|
|
VZIO
3505
DELISTED
VIZIO Holding Corp.
VZIO
| $643K | ﹤0.01% |
+72,396
| New | +$964K |
|
3506
M&T Bank
MTB
$36B
| $642K | ﹤0.01% |
3,792
+1,883
| +99% | +$332K |
|
3507
Advance Auto Parts
AAP
$3.48B
| $641K | ﹤0.01% |
+3,098
| New | +$681K |
|
3508
CALL
Root
ROOT
$944M
| $640K | ﹤0.01% |
18,061
+5,144
| +40% | +$185K |
|
3509
PUT
Riskified
RSKD
$702M
| $640K | ﹤0.01% |
106,100
-163,000
| -61% | -$1.09M |
|
3510
Viper Energy
VNOM
$8.4B
| $640K | ﹤0.01% |
21,662
+4,333
| +25% | +$120K |
|
3511
CALL
Expeditors International
EXPD
$22.4B
| $639K | ﹤0.01% |
6,200
-1,800
| -23% | -$198K |
|
3512
NovoCure
NVCR
$1.97B
| $638K | ﹤0.01% |
7,705
-3,102
| -29% | -$229K |
|
|
ATCO
3513
DELISTED
Atlas Corp.
ATCO
| $638K | ﹤0.01% |
43,487
-3,787
| -8% | -$56.1K |
|
|
DRE
3514
CALL
DELISTED
Duke Realty Corp.
DRE
| $638K | ﹤0.01% |
11,000
+7,200
| +189% | +$408K |
|
3515
CALL
Goldman Sachs BDC
GSBD
$979M
| $637K | ﹤0.01% |
32,500
+7,600
| +31% | +$150K |
|
3516
Sonoco
SON
$5.8B
| $637K | ﹤0.01% |
+10,191
| New | +$590K |
|
3517
CALL
AMN Healthcare
AMN
$1.3B
| $636K | ﹤0.01% |
6,100
-7,100
| -54% | -$737K |
|
3518
PUT
Keurig Dr Pepper
KDP
$41B
| $636K | ﹤0.01% |
16,800
-87,300
| -84% | -$3.31M |
|
|
EVBG
3519
DELISTED
Everbridge, Inc. Common Stock
EVBG
| $636K | ﹤0.01% |
+14,585
| New | +$689K |
|
|
CND
3520
CALL
DELISTED
Concord Acquisition Corp.
CND
| $636K | ﹤0.01% |
64,000
-45,300
| -41% | -$454K |
|
|
IEA
3521
CALL
DELISTED
Infrastructure and Energy Alternatives, Inc. Common Stock
IEA
| $636K | ﹤0.01% |
53,700
+17,700
| +49% | +$190K |
|
|
BCTXW
3522
CALL
DELISTED
BriaCell Therapeutics Corp Warrant
BCTXW
| $635K | ﹤0.01% |
62,700
+17,000
| +37% | +$67.7K |
|
3523
PUT
Ecolab
ECL
$76.4B
| $635K | ﹤0.01% |
3,600
+1,900
| +112% | +$357K |
|
3524
PUT
Healthcare Services Group
HCSG
$1.58B
| $635K | ﹤0.01% |
34,200
+29,900
| +695% | +$516K |
|
|
ETWO
3525
CALL
DELISTED
E2open Parent Holdings
ETWO
| $634K | ﹤0.01% |
72,000
-10,500
| -13% | -$95.4K |
|
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.