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 | |
|---|---|---|---|---|---|---|
|
VLTA
7551
PUT
DELISTED
Volta Inc.
VLTA
| $37K | ﹤0.01% |
12,400
-20,500
| -62% | -$98.5K |
|
|
AMNB
7552
PUT
DELISTED
American National Bankshares Inc
AMNB
| $37K | ﹤0.01% |
+1,000
| New | +$38.1K |
|
7553
CALL
Argan
AGX
$8B
| $36K | ﹤0.01% |
900
+100
| +13% | +$3.92K |
|
7554
PUT
Assurant
AIZ
$13.8B
| $36K | ﹤0.01% |
200
| – | – |
|
7555
CALL
American Superconductor
AMSC
$1.42B
| $36K | ﹤0.01% |
4,800
+3,200
| +200% | +$27.4K |
|
7556
PUT
Atlantic Union Bankshares
AUB
$6.02B
| $36K | ﹤0.01% |
1,000
| – | – |
|
7557
PUT
Vanguard Total International Bond ETF
BNDX
$81.9B
| $36K | ﹤0.01% |
+700
| New | +$37.6K |
|
7558
CALL
BellRing Brands
BRBR
$1.44B
| $36K | ﹤0.01% |
1,600
+1,100
| +220% | +$27.6K |
|
7559
PUT
Banco Santander Chile
BSAC
$16.3B
| $36K | ﹤0.01% |
1,600
-19,900
| -93% | -$398K |
|
7560
CALL
Santander
BSBR
$42.5B
| $36K | ﹤0.01% |
4,700
+4,500
| +2,250% | +$28.1K |
|
7561
PUT
Civista Bancshares
CIVB
$604M
| $36K | ﹤0.01% |
1,500
-700
| -32% | -$17K |
|
7562
Clene
CLNN
$64M
| $36K | ﹤0.01% |
461
+415
| +902% | +$25.1K |
|
7563
PUT
Daktronics
DAKT
$955M
| $36K | ﹤0.01% |
+9,500
| New | +$43.6K |
|
7564
PUT
Five Point Holdings
FPH
$373M
| $36K | ﹤0.01% |
+6,000
| New | +$36.7K |
|
7565
PUT
Federal Realty Investment Trust
FRT
$10.7B
| $36K | ﹤0.01% |
300
-4,300
| -93% | -$530K |
|
7566
Genworth Financial
GNW
$3.76B
| $36K | ﹤0.01% |
9,628
-60,701
| -86% | -$244K |
|
7567
Heartland Express
HTLD
$948M
| $36K | ﹤0.01% |
+2,571
| New | +$38.3K |
|
|
JFIN
7568
PUT
Jiayin Group
JFIN
$113M
| $36K | ﹤0.01% |
13,300
+9,900
| +291% | +$22.1K |
|
7569
PUT
Nexa Resources
NEXA
$1.7B
| $36K | ﹤0.01% |
3,900
+2,500
| +179% | +$21.6K |
|
|
ODP
7570
CALL
DELISTED
ODP
ODP
| $36K | ﹤0.01% |
800
-2,300
| -74% | -$101K |
|
|
PNNT
7571
PUT
Pennant Park Investment Corp
PNNT
$215M
| $36K | ﹤0.01% |
+4,700
| New | +$34.7K |
|
7572
PUT
RE/MAX Holdings
RMAX
$193M
| $36K | ﹤0.01% |
+1,300
| New | +$38.3K |
|
7573
PUT
Roivant Sciences
ROIV
$24.5B
| $36K | ﹤0.01% |
+7,300
| New | +$48.1K |
|
|
SIFY
7574
Sify Technologies
SIFY
$1.06B
| $36K | ﹤0.01% |
2,010
-723
| -26% | -$13.2K |
|
7575
Kartoon Studios
TOON
$35.2M
| $36K | ﹤0.01% |
3,621
+3,241
| +853% | +$30.3K |
|
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.