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 | |
|---|---|---|---|---|---|---|
|
AMPS
5876
CALL
DELISTED
Altus Power
AMPS
| $121K | ﹤0.01% |
16,300
-7,100
| -30% | -$55.8K |
|
|
BREZ
5877
DELISTED
Breeze Holdings Acquisition Corp. Common Stock
BREZ
| $121K | ﹤0.01% |
11,739
+2,346
| +25% | +$24.1K |
|
5878
PUT
Arlo Technologies
ARLO
$1.6B
| $120K | ﹤0.01% |
13,600
+3,500
| +35% | +$32.1K |
|
5879
CALL
Core & Main
CNM
$8.23B
| $120K | ﹤0.01% |
5,000
+4,400
| +733% | +$104K |
|
5880
Curis
CRIS
$9.78M
| $120K | ﹤0.01% |
127
-160
| -56% | -$204K |
|
5881
CALL
Curtiss-Wright
CW
$26.7B
| $120K | ﹤0.01% |
+800
| New | +$114K |
|
5882
CALL
Energy Recovery
ERII
$446M
| $120K | ﹤0.01% |
6,000
-17,100
| -74% | -$333K |
|
5883
Global X Genomics & Biotechnology ETF
GNOM
$79.3M
| $120K | ﹤0.01% |
2,009
+1,890
| +1,588% | +$119K |
|
5884
CALL
Imperial Oil
IMO
$62.7B
| $120K | ﹤0.01% |
2,500
+1,400
| +127% | +$60.1K |
|
5885
NextDecade
NEXT
$1.79B
| $120K | ﹤0.01% |
18,192
-648
| -3% | -$2.03K |
|
5886
CALL
Pilgrim's Pride
PPC
$6.51B
| $120K | ﹤0.01% |
4,800
-500
| -9% | -$13K |
|
5887
Root
ROOT
$857M
| $120K | ﹤0.01% |
3,404
-2,048
| -38% | -$73.8K |
|
5888
ProShares VIX Short-Term Futures ETF
VIXY
$201M
| $120K | ﹤0.01% |
364
+14
| +4% | +$5.06K |
|
|
FRG
5889
PUT
DELISTED
Franchise Group, Inc.
FRG
| $120K | ﹤0.01% |
2,900
+400
| +16% | +$18.5K |
|
|
ROCC
5890
CALL
DELISTED
Ranger Oil Corporation Class A Common Stock
ROCC
| $120K | ﹤0.01% |
3,500
-39,600
| -92% | -$1.29M |
|
5891
Acco Brands
ACCO
$389M
| $119K | ﹤0.01% |
14,905
+8,922
| +149% | +$74K |
|
5892
CALL
AquaBounty Technologies
AQB
$4.66M
| $119K | ﹤0.01% |
3,195
+1,105
| +53% | +$38.4K |
|
5893
PUT
Burford Capital
BUR
$903M
| $119K | ﹤0.01% |
13,000
+10,200
| +364% | +$97.1K |
|
5894
WisdomTree India Earnings Fund ETF
EPI
$2.06B
| $119K | ﹤0.01% |
+3,312
| New | +$120K |
|
5895
PUT
FNB Corp
FNB
$6.73B
| $119K | ﹤0.01% |
9,600
+5,300
| +123% | +$69.8K |
|
5896
Independence Realty Trust
IRT
$3.92B
| $119K | ﹤0.01% |
4,521
-805
| -15% | -$19.8K |
|
5897
Keurig Dr Pepper
KDP
$42.3B
| $119K | ﹤0.01% |
3,159
-10,227
| -76% | -$388K |
|
5898
PUT
Krystal Biotech
KRYS
$10.1B
| $119K | ﹤0.01% |
1,800
-6,000
| -77% | -$375K |
|
5899
CALL
MINISO
MNSO
$3.88B
| $119K | ﹤0.01% |
15,300
+9,700
| +173% | +$89.3K |
|
|
MRC
5900
CALL
DELISTED
MRC Global
MRC
| $119K | ﹤0.01% |
10,000
+7,300
| +270% | +$68.2K |
|
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.