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 | |
|---|---|---|---|---|---|---|
5701
PUT
NGL Energy Partners
NGL
$2.05B
| $136K | ﹤0.01% |
61,700
+32,000
| +108% | +$71.7K |
|
|
STKL
5702
PUT
DELISTED
SunOpta
STKL
| $136K | ﹤0.01% |
27,200
+8,900
| +49% | +$46.9K |
|
5703
CALL
VOC Energy
VOC
$50.7M
| $136K | ﹤0.01% |
+20,000
| New | +$123K |
|
|
TPGY
5704
CALL
DELISTED
TPG Pace Beneficial Finance Corp.
TPGY
| $136K | ﹤0.01% |
13,700
-61,600
| -82% | -$607K |
|
|
NPTN
5705
CALL
DELISTED
NEOPHOTONICS CORP
NPTN
| $136K | ﹤0.01% |
9,000
+1,600
| +22% | +$24.4K |
|
|
WMC
5706
DELISTED
Western Asset Mortgage Capital Corporation
WMC
| $136K | ﹤0.01% |
8,001
+4,675
| +141% | +$91.4K |
|
5707
CALL
Bain Capital Specialty
BCSF
$806M
| $135K | ﹤0.01% |
8,700
+7,900
| +988% | +$125K |
|
5708
BlackLine
BL
$1.84B
| $135K | ﹤0.01% |
1,855
+692
| +60% | +$56K |
|
5709
iShares Emerging Markets Dividend ETF
DVYE
$1.22B
| $135K | ﹤0.01% |
4,152
+3,066
| +282% | +$112K |
|
|
EH
5710
PUT
EHang Holdings
EH
$389M
| $135K | ﹤0.01% |
11,300
+2,200
| +24% | +$31.9K |
|
|
HITI
5711
High Tide
HITI
$186M
| $135K | ﹤0.01% |
29,803
+16,766
| +129% | +$75.2K |
|
5712
Haverty Furniture Companies
HVT
$397M
| $135K | ﹤0.01% |
+4,951
| New | +$144K |
|
5713
ImmunityBio
IBRX
$7.51B
| $135K | ﹤0.01% |
24,136
-56,312
| -70% | -$345K |
|
5714
CALL
Liberty Broadband Class C
LBRDK
$4.88B
| $135K | ﹤0.01% |
1,000
-1,400
| -58% | -$204K |
|
|
NAK
5715
CALL
Northern Dynasty Minerals
NAK
$784M
| $135K | ﹤0.01% |
326,200
+36,600
| +13% | +$13K |
|
5716
PUT
Perdoceo Education
PRDO
$1.99B
| $135K | ﹤0.01% |
11,800
+200
| +2% | +$2.22K |
|
|
API
5717
PUT
Agora
API
$337M
| $134K | ﹤0.01% |
13,500
+10,100
| +297% | +$113K |
|
5718
CALL
BWX Technologies
BWXT
$15.5B
| $134K | ﹤0.01% |
2,500
-2,100
| -46% | -$103K |
|
5719
Liquidia Corp
LQDA
$7.48B
| $134K | ﹤0.01% |
18,696
-710
| -4% | -$4.47K |
|
5720
CALL
McEwen Inc
MUX
$1.03B
| $134K | ﹤0.01% |
15,960
+1,400
| +10% | +$12.1K |
|
5721
TFS Financial
TFSL
$5.16B
| $134K | ﹤0.01% |
8,096
+6,992
| +633% | +$120K |
|
|
RMO
5722
CALL
DELISTED
Romeo Power, Inc.
RMO
| $134K | ﹤0.01% |
90,200
-38,100
| -30% | -$80.1K |
|
|
ALE
5723
CALL
DELISTED
Allete
ALE
| $133K | ﹤0.01% |
+2,000
| New | +$129K |
|
|
FRMM
5724
CALL
Forum Markets
FRMM
$68.2M
| $133K | ﹤0.01% |
14
-6
| -30% | -$69K |
|
5725
CALL
BuzzFeed
BZFD
$99M
| $133K | ﹤0.01% |
6,325
+2,575
| +69% | +$46.3K |
|
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.