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 | |
|---|---|---|---|---|---|---|
6501
Clarus
CLAR
$123M
| $77K | ﹤0.01% |
3,418
+538
| +19% | +$12.5K |
|
6502
CALL
Evercore
EVR
$12.4B
| $77K | ﹤0.01% |
700
-400
| -36% | -$49.2K |
|
6503
Five Below
FIVE
$12B
| $77K | ﹤0.01% |
489
-8,626
| -95% | -$1.44M |
|
|
HIVE
6504
PUT
HIVE Digital Technologies
HIVE
$774M
| $77K | ﹤0.01% |
7,320
-20,680
| -74% | -$213K |
|
6505
PUT
Holley
HLLY
$321M
| $77K | ﹤0.01% |
5,600
+4,900
| +700% | +$62.9K |
|
6506
PUT
HUB Group
HUBG
$2.85B
| $77K | ﹤0.01% |
2,000
-2,000
| -50% | -$79.9K |
|
6507
PUT
American Century Diversified Corporate Bond ETF
KORP
$869M
| $77K | ﹤0.01% |
1,000
+300
| +43% | +$15K |
|
6508
CALL
Grand Canyon Education
LOPE
$3.79B
| $77K | ﹤0.01% |
800
+700
| +700% | +$61.3K |
|
|
ORIO
6509
PUT
Orion Digital Corp
ORIO
$15.4M
| $77K | ﹤0.01% |
8,833
-1,000
| -10% | -$7.31K |
|
|
ONL
6510
PUT
Orion Office REIT
ONL
$150M
| $77K | ﹤0.01% |
+5,500
| New | +$92.7K |
|
6511
PUT
Offerpad Solutions
OPAD
$18.3M
| $77K | ﹤0.01% |
103
-223
| -68% | -$152K |
|
6512
Virtus InfraCap US Preferred Stock ETF
PFFA
$2.45B
| $77K | ﹤0.01% |
3,222
+2,484
| +337% | +$59.7K |
|
|
ECHO
6513
CALL
EchoStar
ECHO
$24.4B
| $77K | ﹤0.01% |
3,200
-6,100
| -66% | -$150K |
|
6514
CALL
Scholar Rock
SRRK
$5.67B
| $77K | ﹤0.01% |
6,000
+5,900
| +5,900% | +$101K |
|
|
MDC
6515
DELISTED
M.D.C. Holdings, Inc.
MDC
| $77K | ﹤0.01% |
+2,045
| New | +$93.4K |
|
|
CHS
6516
PUT
DELISTED
Chicos FAS, Inc.
CHS
| $77K | ﹤0.01% |
16,100
-20,300
| -56% | -$95K |
|
|
RYM
6517
PUT
RYTHM Inc
RYM
$39.5M
| $76K | ﹤0.01% |
6
+5
| +500% | +$98K |
|
6518
PUT
American Superconductor
AMSC
$1.42B
| $76K | ﹤0.01% |
10,100
-25,200
| -71% | -$216K |
|
6519
CALL
Banco Bilbao Vizcaya Argentaria
BBVA
$154B
| $76K | ﹤0.01% |
13,400
+3,300
| +33% | +$20.2K |
|
6520
PUT
Caribou Biosciences
CRBU
$145M
| $76K | ﹤0.01% |
8,300
-1,800
| -18% | -$19K |
|
6521
Huron Consulting
HURN
$2.41B
| $76K | ﹤0.01% |
+1,678
| New | +$77.4K |
|
6522
CALL
IDEX
IEX
$17B
| $76K | ﹤0.01% |
400
| – | – |
|
6523
CALL
IPG Photonics
IPGP
$3.61B
| $76K | ﹤0.01% |
700
-100
| -13% | -$13.7K |
|
6524
CALL
Janus International
JBI
$700M
| $76K | ﹤0.01% |
8,500
-63,800
| -88% | -$648K |
|
6525
PUT
KNOT Offshore Partners
KNOP
$372M
| $76K | ﹤0.01% |
4,500
-200
| -4% | -$3.09K |
|
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.