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 | |
|---|---|---|---|---|---|---|
5451
PUT
TFS Financial
TFSL
$5.28B
| $162K | ﹤0.01% |
9,800
+1,000
| +11% | +$17.2K |
|
|
TCS
5452
CALL
DELISTED
THE CONTAINER STORE GROUP, INC.
TCS
| $162K | ﹤0.01% |
1,327
-2,726
| -67% | -$378K |
|
|
ROCC
5453
PUT
DELISTED
Ranger Oil Corporation Class A Common Stock
ROCC
| $162K | ﹤0.01% |
4,700
+600
| +15% | +$19.6K |
|
5454
Bio-Rad Laboratories Class A
BIO
$8.57B
| $161K | ﹤0.01% |
+287
| New | +$173K |
|
5455
Vanguard World Funds Extended Duration ETF
EDV
$3.22B
| $161K | ﹤0.01% |
+1,324
| New | +$170K |
|
5456
Fortive
FTV
$17.7B
| $161K | ﹤0.01% |
+3,510
| New | +$174K |
|
5457
PUT
Hilton Grand Vacations
HGV
$3.65B
| $161K | ﹤0.01% |
3,100
+3,000
| +3,000% | +$151K |
|
5458
iShares Global Tech ETF
IXN
$8.28B
| $161K | ﹤0.01% |
+2,790
| New | +$161K |
|
5459
NGL Energy Partners
NGL
$2.02B
| $161K | ﹤0.01% |
+72,787
| New | +$163K |
|
5460
Pilgrim's Pride
PPC
$6.54B
| $161K | ﹤0.01% |
+6,442
| New | +$167K |
|
|
LL
5461
CALL
DELISTED
LL Flooring Holdings, Inc.
LL
| $161K | ﹤0.01% |
11,500
+5,400
| +89% | +$82.4K |
|
5462
PUT
Asbury Automotive
ABG
$4.25B
| $160K | ﹤0.01% |
1,000
+200
| +25% | +$35K |
|
5463
CALL
Sprinklr
CXM
$1.46B
| $160K | ﹤0.01% |
13,500
-5,200
| -28% | -$62.8K |
|
5464
CALL
Donaldson
DCI
$10.8B
| $160K | ﹤0.01% |
3,100
+1,200
| +63% | +$65.3K |
|
5465
CALL
Evolv Technologies
EVLV
$996M
| $160K | ﹤0.01% |
60,500
+46,700
| +338% | +$153K |
|
5466
CALL
Graco
GGG
$12.8B
| $160K | ﹤0.01% |
2,300
-12,000
| -84% | -$864K |
|
|
PPLI
5467
CALL
People Inc
PPLI
$3.01B
| $160K | ﹤0.01% |
1,950
| – | – |
|
5468
CALL
POSCO
PKX
$16.1B
| $160K | ﹤0.01% |
2,700
-2,200
| -45% | -$130K |
|
5469
PubMatic
PUBM
$583M
| $160K | ﹤0.01% |
6,136
-13,530
| -69% | -$347K |
|
5470
Beyond Air
XAIR
$3.68M
| $160K | ﹤0.01% |
60
-2
| -3% | -$5.88K |
|
|
JOAN
5471
PUT
DELISTED
JOANN, Inc. Common Stock
JOAN
| $160K | ﹤0.01% |
14,100
+5,300
| +60% | +$59.7K |
|
|
JJC
5472
DELISTED
iPath Series B Bloomberg Copper Subindex Total ReturnSM ETN
JJC
| $160K | ﹤0.01% |
6,770
-4,316
| -39% | -$98.7K |
|
5473
PUT
Aemetis
AMTX
$106M
| $159K | ﹤0.01% |
12,600
+8,200
| +186% | +$90.4K |
|
|
DESP
5474
PUT
DELISTED
Despegar.com
DESP
| $159K | ﹤0.01% |
13,100
-1,200
| -8% | -$13.5K |
|
5475
PUT
Genius Sports
GENI
$1.84B
| $159K | ﹤0.01% |
34,700
-10,600
| -23% | -$61K |
|
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.