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 | |
|---|---|---|---|---|---|---|
2501
Fastenal
FAST
$54B
| $1.39M | ﹤0.01% |
+46,652
| New | +$1.3M |
|
2502
CALL
Annaly Capital Management
NLY
$16.9B
| $1.38M | ﹤0.01% |
49,125
+12,275
| +33% | +$365K |
|
2503
Pinduoduo
PDD
$118B
| $1.38M | ﹤0.01% |
34,500
+34,300
| +17,150% | +$1.76M |
|
2504
Fox Class A
FOXA
$23.2B
| $1.38M | ﹤0.01% |
+35,054
| New | +$1.42M |
|
2505
CALL
Sprouts Farmers Market
SFM
$7.04B
| $1.38M | ﹤0.01% |
43,200
-900
| -2% | -$26.9K |
|
2506
CALL
Copart
CPRT
$25.9B
| $1.38M | ﹤0.01% |
44,000
-80,400
| -65% | -$2.55M |
|
2507
CALL
Franklin Resources
BEN
$16.9B
| $1.38M | ﹤0.01% |
49,400
-48,600
| -50% | -$1.48M |
|
2508
Zillow
ZG
$7.02B
| $1.38M | ﹤0.01% |
28,576
+5,526
| +24% | +$292K |
|
2509
CALL
10x Genomics
TXG
$5.87B
| $1.38M | ﹤0.01% |
18,100
+12,400
| +218% | +$1.08M |
|
2510
US Foods
USFD
$21.4B
| $1.37M | ﹤0.01% |
+36,517
| New | +$1.33M |
|
2511
PUT
Exelixis
EXEL
$13.9B
| $1.37M | ﹤0.01% |
60,400
+42,800
| +243% | +$836K |
|
2512
Franco-Nevada
FNV
$41.4B
| $1.37M | ﹤0.01% |
8,577
+1,681
| +24% | +$242K |
|
2513
CALL
International Flavors & Fragrances
IFF
$19.4B
| $1.36M | ﹤0.01% |
10,400
-5,800
| -36% | -$770K |
|
|
HYZN
2514
CALL
DELISTED
Hyzon Motors Inc. Class A Common Stock
HYZN
| $1.36M | ﹤0.01% |
4,274
-3,802
| -47% | -$1.05M |
|
2515
AutoNation
AN
$6.97B
| $1.36M | ﹤0.01% |
+13,678
| New | +$1.51M |
|
2516
PUT
Cognizant
CTSH
$21.5B
| $1.36M | ﹤0.01% |
15,200
-42,700
| -74% | -$3.75M |
|
2517
iShares MSCI South Korea ETF
EWY
$21.7B
| $1.36M | ﹤0.01% |
19,128
-1,532
| -7% | -$111K |
|
2518
CALL
Parker-Hannifin
PH
$125B
| $1.36M | ﹤0.01% |
4,800
-4,500
| -48% | -$1.36M |
|
2519
PUT
SouthState Bank Corp
SSB
$10.3B
| $1.36M | ﹤0.01% |
16,700
+7,300
| +78% | +$629K |
|
2520
PUT
Duolingo
DUOL
$5.7B
| $1.36M | ﹤0.01% |
14,300
+3,900
| +38% | +$352K |
|
2521
PVH
PVH
$3.71B
| $1.36M | ﹤0.01% |
+17,765
| New | +$1.64M |
|
2522
CALL
Wendy's
WEN
$1.33B
| $1.36M | ﹤0.01% |
61,900
-150,100
| -71% | -$3.38M |
|
|
CDR
2523
DELISTED
Cedar Realty Trust, Inc
CDR
| $1.36M | ﹤0.01% |
49,173
+42,520
| +639% | +$1.07M |
|
2524
PUT
AGCO
AGCO
$8.78B
| $1.36M | ﹤0.01% |
9,300
+7,100
| +323% | +$896K |
|
2525
CALL
BRC Inc
BRCC
$126M
| $1.36M | ﹤0.01% |
+65,100
| New | +$1.15M |
|
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.